Merge branch 'master' into go-go-gadget-webpack

* master: (24 commits)
  Allow to use + symbol in filenames
  Use string for class_name option for lazy autoload class
  change how pagination component is loaded
  revise sortable_name test formatting
  fix pagination component handling different header styles from different server proxies
  Improve disabled state select
  Fix Rubocop offense in build specs
  Add Changelog for commit links fix on pipelines page
  Remove empty build spec file from invalid location
  Merge build specs into file that has valid location
  Fixed spacing of labels in issuable row on milestone#show
  Update commit entity to point to valid commit page
  Allow to use ENV variables in redis config
  Check for env[Grape::Env::GRAPE_ROUTING_ARGS] instead of endpoint.route
  Mutate the attribute instead of issuing a write operation to the DB
  Remove useless permission checks in Gitlab::Checks::ChangeAccess
  Fix broken link in docs
  prefer unit test on model over view test
  rename sort method
  add CHANGELOG.md entry for !8277
  ...

app/assets/javascripts/vue_pipelines_index/index.js.es6

@@ -2,6 +2,7 @@
 window.Vue = require('vue');
 window.Vue.use(require('vue-resource'));
 require('../vue_common_component/commit');
+require('../vue_pagination/index');
 require('../boards/vue_resource_interceptor');
 require('./status');
 require('./store');

app/assets/javascripts/vue_pipelines_index/store.js.es6

@@ -3,14 +3,24 @@
 require('../vue_realtime_listener');
 
 ((gl) => {
-  const pageValues = headers => ({
-    perPage: +headers['X-Per-Page'],
-    page: +headers['X-Page'],
-    total: +headers['X-Total'],
-    totalPages: +headers['X-Total-Pages'],
-    nextPage: +headers['X-Next-Page'],
-    previousPage: +headers['X-Prev-Page'],
-  });
+  const pageValues = (headers) => {
+    const normalizedHeaders = {};
+
+    Object.keys(headers).forEach((e) => {
+      normalizedHeaders[e.toUpperCase()] = headers[e];
+    });
+
+    const paginationInfo = {
+      perPage: +normalizedHeaders['X-PER-PAGE'],
+      page: +normalizedHeaders['X-PAGE'],
+      total: +normalizedHeaders['X-TOTAL'],
+      totalPages: +normalizedHeaders['X-TOTAL-PAGES'],
+      nextPage: +normalizedHeaders['X-NEXT-PAGE'],
+      previousPage: +normalizedHeaders['X-PREV-PAGE'],
+    };
+
+    return paginationInfo;
+  };
 
   gl.PipelineStore = class {
     fetchDataLoop(Vue, pageNum, url, apiScope) {

app/assets/stylesheets/pages/milestone.scss

@@ -109,6 +109,10 @@
     .avatar {
       float: none;
     }
+
+    > a:not(:last-of-type) {
+      margin-right: 5px;
+    }
   }
 }
 

app/models/commit_status.rb

@@ -137,4 +137,10 @@ class CommitStatus < ActiveRecord::Base
       .new(self, current_user)
       .fabricate!
   end
+
+  def sortable_name
+    name.split(/(\d+)/).map do |v|
+      v =~ /\d+/ ? v.to_i : v
+    end
+  end
 end

app/models/concerns/project_features_compatibility.rb

@@ -32,6 +32,6 @@ module ProjectFeaturesCompatibility
     build_project_feature unless project_feature
 
     access_level = Gitlab::Utils.to_boolean(value) ? ProjectFeature::ENABLED : ProjectFeature::DISABLED
-    project_feature.update_attribute(field, access_level)
+    project_feature.send(:write_attribute, field, access_level)
   end
 end

app/models/forked_project_link.rb

 class ForkedProjectLink < ActiveRecord::Base
-  belongs_to :forked_to_project, class_name: Project
-  belongs_to :forked_from_project, class_name: Project
+  belongs_to :forked_to_project, class_name: 'Project'
+  belongs_to :forked_from_project, class_name: 'Project'
 end

app/models/project.rb

@@ -122,7 +122,7 @@ class Project < ActiveRecord::Base
   # Merge Requests for target project should be removed with it
   has_many :merge_requests,     dependent: :destroy, foreign_key: 'target_project_id'
   # Merge requests from source project should be kept when source project was removed
-  has_many :fork_merge_requests, foreign_key: 'source_project_id', class_name: MergeRequest
+  has_many :fork_merge_requests, foreign_key: 'source_project_id', class_name: 'MergeRequest'
   has_many :issues,             dependent: :destroy
   has_many :labels,             dependent: :destroy, class_name: 'ProjectLabel'
   has_many :services,           dependent: :destroy

app/serializers/commit_entity.rb

@@ -8,16 +8,16 @@ class CommitEntity < API::Entities::RepoCommit
   end
 
   expose :commit_url do |commit|
-    namespace_project_tree_url(
+    namespace_project_commit_url(
       request.project.namespace,
       request.project,
-      id: commit.id)
+      commit)
   end
 
   expose :commit_path do |commit|
-    namespace_project_tree_path(
+    namespace_project_commit_path(
       request.project.namespace,
       request.project,
-      id: commit.id)
+      commit)
   end
 end

app/views/projects/empty.html.haml

@@ -52,7 +52,7 @@
               git push -u origin master
 
         %fieldset
-          %h5 Existing folder or Git repository
+          %h5 Existing folder 
           %pre.light-well
             :preserve
               cd existing_folder
@@ -62,6 +62,15 @@
               git commit
               git push -u origin master
 
+        %fieldset
+          %h5 Existing Git repository
+          %pre.light-well
+            :preserve
+              cd existing_repo
+              git remote add origin #{ content_tag(:span, default_url_to_repo, class: 'clone')}
+              git push -u origin --all
+              git push -u origin --tags
+
           - if can? current_user, :remove_project, @project
             .prepend-top-20
               = link_to 'Remove project', [@project.namespace.becomes(Namespace), @project], data: { confirm: remove_project_message(@project)}, method: :delete, class: "btn btn-remove pull-right"

app/views/projects/environments/terminal.html.haml

@@ -4,7 +4,7 @@
 
 - content_for :page_specific_javascripts do
   = stylesheet_link_tag "xterm/xterm"
-  = page_specific_javascript_tag("terminal/terminal_bundle.js")
+  = page_specific_javascript_bundle_tag("terminal")
 
 %div{ class: container_class }
   .top-area

app/views/projects/mattermosts/_team_selection.html.haml

@@ -7,20 +7,21 @@
   %p
     = @teams.one? ? 'The team' : 'Select the team'
     where the slash commands will be used in
-  - selected_id = @teams.keys.first if @teams.one?
+  - selected_id = @teams.one? ? @teams.keys.first : 0
   - options = mattermost_teams_options(@teams)
   - options = options_for_select(options, selected_id)
-  = f.select(:team_id, options, {}, { class: 'form-control', selected: "#{selected_id}" })
+  = f.select(:team_id, options, {}, { class: 'form-control', disabled: @teams.one?, selected: selected_id })
+  = f.hidden_field(:team_id, value: selected_id) if @teams.one?
   .help-block
     - if @teams.one?
-      This is the only team where you are an administrator.
+      This is the only available team.
     - else
-      The list shows teams where you are administrator
-    To create a team, ask your Mattermost system administrator.
+      The list shows all available teams.
     To create a team,
     = link_to "#{Gitlab.config.mattermost.host}/create_team" do
       use Mattermost's interface
       = icon('external-link')
+    or ask your Mattermost system administrator.
   %hr
   %h4 Command trigger word
   %p Choose the word that will trigger commands

app/views/projects/pipelines/index.html.haml

@@ -64,5 +64,4 @@
 
       .vue-pipelines-index
 
-= page_specific_javascript_bundle_tag('vue_pagination')
 = page_specific_javascript_bundle_tag('vue_pipelines')

app/views/projects/stage/_graph.html.haml

 - stage = local_assigns.fetch(:stage)
 - statuses = stage.statuses.latest
-- status_groups = statuses.sort_by(&:name).group_by(&:group_name)
+- status_groups = statuses.sort_by(&:sortable_name).group_by(&:group_name)
 %li.stage-column
   .stage-name
     %a{ name: stage.name }

changelogs/unreleased/26587-metrics-middleware-endpoint-is-nil.yml

+---
+title: Check for env[Grape::Env::GRAPE_ROUTING_ARGS] instead of endpoint.route
+merge_request: 8544
+author:

changelogs/unreleased/allow_plus_sign_for_snippets.yml

+---
+title: Allow to use + symbol in filenames
+merge_request: 6644
+author: blackst0ne

changelogs/unreleased/bug-project-feature-compatibility.yml

+---
+title: Mutate the attribute instead of issuing a write operation to the DB in `ProjectFeaturesCompatibility`
+  concern.
+merge_request: 8552
+author:

changelogs/unreleased/env-var-in-redis-config.yml

+---
+title: Allow to use ENV variables in redis config
+merge_request: 8073
+author: Semyon Pupkov

changelogs/unreleased/fix-build-sort-order.yml

+---
+title: Sort numbers in build names more intelligently
+merge_request: 8277
+author:

changelogs/unreleased/fix-serialized-commit-path.yml

+---
+title: Fix links to commits pages on pipelines list page
+merge_request: 8558
+author:

config/webpack.config.js

@@ -34,7 +34,6 @@ var config = {
     users:                './users/users_bundle.js',
     lib_chart:            './lib/chart.js',
     lib_d3:               './lib/d3.js',
-    vue_pagination:       './vue_pagination/index.js',
     vue_pipelines:        './vue_pipelines_index/index.js',
   },
 

doc/install/installation.md

@@ -601,6 +601,12 @@ If you want to connect the Redis server via socket, then use the "unix:" URL sch
     production:
       url: unix:/path/to/redis/socket
 
+Also you can use environment variables in the `config/resque.yml` file:
+
+    # example
+    production:
+      url: <%= ENV.fetch('GITLAB_REDIS_URL') %>
+
 ### Custom SSH Connection
 
 If you are running SSH on a non-standard port, you must change the GitLab user's SSH config.

doc/project_services/slack_slash_commands.md

@@ -6,7 +6,7 @@ Slack commands give users an extra interface to perform common operations
 from the chat environment. This allows one to, for example, create an issue as
 soon as the idea was discussed in chat.
 For all available commands try the help subcommand, for example: `/gitlab help`, 
-all review the [full list of commands](../integrations/chat_commands.md).
+all review the [full list of commands](../integration/chat_commands.md).
 
 ## Prerequisites
 

lib/gitlab/checks/change_access.rb

@@ -30,9 +30,9 @@ module Gitlab
         return unless @branch_name
         return unless project.protected_branch?(@branch_name)
 
-        if forced_push? && user_access.cannot_do_action?(:force_push_code_to_protected_branches)
+        if forced_push?
           return "You are not allowed to force push code to a protected branch on this project."
-        elsif Gitlab::Git.blank_ref?(@newrev) && user_access.cannot_do_action?(:remove_protected_branches)
+        elsif Gitlab::Git.blank_ref?(@newrev)
           return "You are not allowed to delete protected branches from this project."
         end
 

lib/gitlab/metrics/rack_middleware.rb

@@ -71,10 +71,17 @@ module Gitlab
       def tag_endpoint(trans, env)
         endpoint = env[ENDPOINT_KEY]
 
-        # endpoint.route is nil in the case of a 405 response
-        if endpoint.route
-          path = endpoint_paths_cache[endpoint.route.request_method][endpoint.route.path]
-          trans.action = "Grape##{endpoint.route.request_method} #{path}"
+        begin
+          route = endpoint.route
+        rescue
+          # endpoint.route is calling env[Grape::Env::GRAPE_ROUTING_ARGS][:route_info]
+          # but env[Grape::Env::GRAPE_ROUTING_ARGS] is nil in the case of a 405 response
+          # so we're rescuing exceptions and bailing out
+        end
+
+        if route
+          path = endpoint_paths_cache[route.request_method][route.path]
+          trans.action = "Grape##{route.request_method} #{path}"
         end
       end
 

lib/gitlab/redis.rb

@@ -42,7 +42,7 @@ module Gitlab
         return @_raw_config if defined?(@_raw_config)
 
         begin
-          @_raw_config = File.read(CONFIG_FILE).freeze
+          @_raw_config = ERB.new(File.read(CONFIG_FILE)).result.freeze
         rescue Errno::ENOENT
           @_raw_config = false
         end

lib/gitlab/regex.rb

@@ -61,11 +61,11 @@ module Gitlab
     end
 
     def file_name_regex
-      @file_name_regex ||= /\A[[[:alnum:]]_\-\.\@]*\z/.freeze
+      @file_name_regex ||= /\A[[[:alnum:]]_\-\.\@\+]*\z/.freeze
     end
 
     def file_name_regex_message
-      "can contain only letters, digits, '_', '-', '@' and '.'."
+      "can contain only letters, digits, '_', '-', '@', '+' and '.'."
     end
 
     def file_path_regex

scripts/notify_slack.sh

-#!/bin/bash
+#!/bin/sh
 # Sends Slack notification ERROR_MSG to CHANNEL
 # An env. variable CI_SLACK_WEBHOOK_URL needs to be set.
 

spec/features/projects/services/mattermost_slash_command_spec.rb

@@ -33,10 +33,89 @@ feature 'Setup Mattermost slash commands', feature: true do
       expect(value).to eq(token)
     end
 
-    describe 'mattermost service is enabled' do
-      it 'shows the add to mattermost button' do
-        expect(page).to have_link 'Add to Mattermost'
+    it 'shows the add to mattermost button' do
+      expect(page).to have_link('Add to Mattermost')
+    end
+
+    it 'shows an explanation if user is a member of no teams' do
+      stub_teams(count: 0)
+
+      click_link 'Add to Mattermost'
+
+      expect(page).to have_content('You aren’t a member of any team on the Mattermost instance')
+      expect(page).to have_link('join a team', href: "#{Gitlab.config.mattermost.host}/select_team")
+    end
+
+    it 'shows an explanation if user is a member of 1 team' do
+      stub_teams(count: 1)
+
+      click_link 'Add to Mattermost'
+
+      expect(page).to have_content('The team where the slash commands will be used in')
+      expect(page).to have_content('This is the only available team.')
+    end
+
+    it 'shows a disabled prefilled select if user is a member of 1 team' do
+      teams = stub_teams(count: 1)
+
+      click_link 'Add to Mattermost'
+
+      team_name = teams.first[1]['display_name']
+      select_element = find('select#mattermost_team_id')
+      selected_option = select_element.find('option[selected]')
+
+      expect(select_element['disabled']).to be(true)
+      expect(selected_option).to have_content(team_name.to_s)
+    end
+
+    it 'has a hidden input for the prefilled value if user is a member of 1 team' do
+      teams = stub_teams(count: 1)
+
+      click_link 'Add to Mattermost'
+
+      expect(find('input#mattermost_team_id', visible: false).value).to eq(teams.first[0].to_s)
+    end
+
+    it 'shows an explanation user is a member of multiple teams' do
+      stub_teams(count: 2)
+
+      click_link 'Add to Mattermost'
+
+      expect(page).to have_content('Select the team where the slash commands will be used in')
+      expect(page).to have_content('The list shows all available teams.')
+    end
+
+    it 'shows a select with team options user is a member of multiple teams' do
+      stub_teams(count: 2)
+
+      click_link 'Add to Mattermost'
+
+      select_element = find('select#mattermost_team_id')
+      selected_option = select_element.find('option[selected]')
+
+      expect(select_element['disabled']).to be(false)
+      expect(selected_option).to have_content('Select team...')
+      # The 'Select team...' placeholder is item `0`.
+      expect(select_element.all('option').count).to eq(3)
+    end
+
+    def stub_teams(count: 0)
+      teams = create_teams(count)
+
+      allow_any_instance_of(MattermostSlashCommandsService).to receive(:list_teams) { teams }
+
+      teams
+    end
+
+    def create_teams(count = 0)
+      teams = {}
+
+      count.times do |i|
+        i += 1
+        teams[i] = { id: i, display_name: i }
       end
+
+      teams
     end
 
     describe 'mattermost service is not enabled' do

spec/features/snippets/create_snippet_spec.rb

@@ -17,4 +17,18 @@ feature 'Create Snippet', feature: true do
     expect(page).to have_content('My Snippet Title')
     expect(page).to have_content('Hello World!')
   end
+
+  scenario 'Authenticated user creates a snippet with + in filename' do
+    fill_in 'personal_snippet_title', with: 'My Snippet Title'
+    page.within('.file-editor') do
+      find(:xpath, "//input[@id='personal_snippet_file_name']").set 'snippet+file+name'
+      find(:xpath, "//input[@id='personal_snippet_content']").set 'Hello World!'
+    end
+
+    click_button 'Create snippet'
+
+    expect(page).to have_content('My Snippet Title')
+    expect(page).to have_content('snippet+file+name')
+    expect(page).to have_content('Hello World!')
+  end
 end

spec/fixtures/config/redis_config_with_env.yml

+test:
+  url: <%= ENV['TEST_GITLAB_REDIS_URL'] %>

spec/lib/gitlab/checks/change_access_spec.rb

@@ -56,7 +56,6 @@ describe Gitlab::Checks::ChangeAccess, lib: true do
 
       it 'returns an error if the user is not allowed to do forced pushes to protected branches' do
         expect(Gitlab::Checks::ForcePush).to receive(:force_push?).and_return(true)
-        expect(user_access).to receive(:can_do_action?).with(:force_push_code_to_protected_branches).and_return(false)
 
         expect(subject.status).to be(false)
         expect(subject.message).to eq('You are not allowed to force push code to a protected branch on this project.')
@@ -88,8 +87,6 @@ describe Gitlab::Checks::ChangeAccess, lib: true do
         end
 
         it 'returns an error if the user is not allowed to delete protected branches' do
-          expect(user_access).to receive(:can_do_action?).with(:remove_protected_branches).and_return(false)
-
           expect(subject.status).to be(false)
           expect(subject.message).to eq('You are not allowed to delete protected branches from this project.')
         end

spec/lib/gitlab/metrics/rack_middleware_spec.rb

@@ -126,5 +126,16 @@ describe Gitlab::Metrics::RackMiddleware do
 
       expect(transaction.action).to eq('Grape#GET /projects/:id/archive')
     end
+
+    it 'does not tag a transaction if route infos are missing' do
+      endpoint = double(:endpoint)
+      allow(endpoint).to receive(:route).and_raise
+
+      env['api.endpoint'] = endpoint
+
+      middleware.tag_endpoint(transaction, env)
+
+      expect(transaction.action).to be_nil
+    end
   end
 end

spec/lib/gitlab/redis_spec.rb

 require 'spec_helper'
 
 describe Gitlab::Redis do
-  let(:redis_config) { Rails.root.join('config', 'resque.yml').to_s }
+  include StubENV
 
   before(:each) { clear_raw_config }
   after(:each) { clear_raw_config }
@@ -72,6 +72,20 @@ describe Gitlab::Redis do
 
       expect(url2).not_to end_with('foobar')
     end
+
+    context 'when yml file with env variable' do
+      let(:redis_config) { Rails.root.join('spec/fixtures/config/redis_config_with_env.yml') }
+
+      before  do
+        stub_env('TEST_GITLAB_REDIS_URL', 'redis://redishost:6379')
+      end
+
+      it 'reads redis url from env variable' do
+        stub_const("#{described_class}::CONFIG_FILE", redis_config)
+
+        expect(described_class.url).to eq 'redis://redishost:6379'
+      end
+    end
   end
 
   describe '._raw_config' do

spec/models/build_spec.rb

-require 'spec_helper'
-
-describe Ci::Build, models: true do
-  let(:project) { create(:project) }
-
-  let(:pipeline) do
-    create(:ci_pipeline, project: project,
-                         sha: project.commit.id,
-                         ref: project.default_branch,
-                         status: 'success')
-  end
-
-  let(:build) { create(:ci_build, pipeline: pipeline) }
-
-  it { is_expected.to validate_presence_of :ref }
-
-  it { is_expected.to respond_to :trace_html }
-
-  describe '#first_pending' do
-    let!(:first) { create(:ci_build, pipeline: pipeline, status: 'pending', created_at: Date.yesterday) }
-    let!(:second) { create(:ci_build, pipeline: pipeline, status: 'pending') }
-    subject { Ci::Build.first_pending }
-
-    it { is_expected.to be_a(Ci::Build) }
-    it('returns with the first pending build') { is_expected.to eq(first) }
-  end
-
-  describe '#create_from' do
-    before do
-      build.status = 'success'
-      build.save
-    end
-    let(:create_from_build) { Ci::Build.create_from build }
-
-    it 'exists a pending task' do
-      expect(Ci::Build.pending.count(:all)).to eq 0
-      create_from_build
-      expect(Ci::Build.pending.count(:all)).to be > 0
-    end
-  end
-
-  describe '#failed_but_allowed?' do
-    subject { build.failed_but_allowed? }
-
-    context 'when build is not allowed to fail' do
-      before do
-        build.allow_failure = false
-      end
-
-      context 'and build.status is success' do
-        before do
-          build.status = 'success'
-        end
-
-        it { is_expected.to be_falsey }
-      end
-
-      context 'and build.status is failed' do
-        before do
-          build.status = 'failed'
-        end
-
-        it { is_expected.to be_falsey }
-      end
-    end
-
-    context 'when build is allowed to fail' do
-      before do
-        build.allow_failure = true
-      end
-
-      context 'and build.status is success' do
-        before do
-          build.status = 'success'
-        end
-
-        it { is_expected.to be_falsey }
-      end
-
-      context 'and build.status is failed' do
-        before do
-          build.status = 'failed'
-        end
-
-        it { is_expected.to be_truthy }
-      end
-    end
-  end
-
-  describe '#persisted_environment' do
-    before do
-      @environment = create(:environment, project: project, name: "foo-#{project.default_branch}")
-    end
-
-    subject { build.persisted_environment }
-
-    context 'referenced literally' do
-      let(:build) { create(:ci_build, pipeline: pipeline, environment: "foo-#{project.default_branch}") }
-
-      it { is_expected.to eq(@environment) }
-    end
-
-    context 'referenced with a variable' do
-      let(:build) { create(:ci_build, pipeline: pipeline, environment: "foo-$CI_BUILD_REF_NAME") }
-
-      it { is_expected.to eq(@environment) }
-    end
-  end
-
-  describe '#trace' do
-    it { expect(build.trace).to be_nil }
-
-    context 'when build.trace contains text' do
-      let(:text) { 'example output' }
-      before do
-        build.trace = text
-      end
-
-      it { expect(build.trace).to eq(text) }
-    end
-
-    context 'when build.trace hides runners token' do
-      let(:token) { 'my_secret_token' }
-
-      before do
-        build.update(trace: token)
-        build.project.update(runners_token: token)
-      end
-
-      it { expect(build.trace).not_to include(token) }
-      it { expect(build.raw_trace).to include(token) }
-    end
-
-    context 'when build.trace hides build token' do
-      let(:token) { 'my_secret_token' }
-
-      before do
-        build.update(trace: token)
-        build.update(token: token)
-      end
-
-      it { expect(build.trace).not_to include(token) }
-      it { expect(build.raw_trace).to include(token) }
-    end
-  end
-
-  describe '#raw_trace' do
-    subject { build.raw_trace }
-
-    context 'when build.trace hides runners token' do
-      let(:token) { 'my_secret_token' }
-
-      before do
-        build.project.update(runners_token: token)
-        build.update(trace: token)
-      end
-
-      it { is_expected.not_to include(token) }
-    end
-
-    context 'when build.trace hides build token' do
-      let(:token) { 'my_secret_token' }
-
-      before do
-        build.update(token: token)
-        build.update(trace: token)
-      end
-
-      it { is_expected.not_to include(token) }
-    end
-  end
-
-  context '#append_trace' do
-    subject { build.trace_html }
-
-    context 'when build.trace hides runners token' do
-      let(:token) { 'my_secret_token' }
-
-      before do
-        build.project.update(runners_token: token)
-        build.append_trace(token, 0)
-      end
-
-      it { is_expected.not_to include(token) }
-    end
-
-    context 'when build.trace hides build token' do
-      let(:token) { 'my_secret_token' }
-
-      before do
-        build.update(token: token)
-        build.append_trace(token, 0)
-      end
-
-      it { is_expected.not_to include(token) }
-    end
-  end
-
-  # TODO: build timeout
-  # describe :timeout do
-  #   subject { build.timeout }
-  #
-  #   it { is_expected.to eq(pipeline.project.timeout) }
-  # end
-
-  describe '#options' do
-    let(:options) do
-      {
-        image: "ruby:2.1",
-        services: [
-          "postgres"
-        ]
-      }
-    end
-
-    subject { build.options }
-    it { is_expected.to eq(options) }
-  end
-
-  # TODO: allow_git_fetch
-  # describe :allow_git_fetch do
-  #   subject { build.allow_git_fetch }
-  #
-  #   it { is_expected.to eq(project.allow_git_fetch) }
-  # end
-
-  describe '#project' do
-    subject { build.project }
-
-    it { is_expected.to eq(pipeline.project) }
-  end
-
-  describe '#project_id' do
-    subject { build.project_id }
-
-    it { is_expected.to eq(pipeline.project_id) }
-  end
-
-  describe '#project_name' do
-    subject { build.project_name }
-
-    it { is_expected.to eq(project.name) }
-  end
-
-  describe '#extract_coverage' do
-    context 'valid content & regex' do
-      subject { build.extract_coverage('Coverage 1033 / 1051 LOC (98.29%) covered', '\(\d+.\d+\%\) covered') }
-
-      it { is_expected.to eq(98.29) }
-    end
-
-    context 'valid content & bad regex' do
-      subject { build.extract_coverage('Coverage 1033 / 1051 LOC (98.29%) covered', 'very covered') }
-
-      it { is_expected.to be_nil }
-    end
-
-    context 'no coverage content & regex' do
-      subject { build.extract_coverage('No coverage for today :sad:', '\(\d+.\d+\%\) covered') }
-
-      it { is_expected.to be_nil }
-    end
-
-    context 'multiple results in content & regex' do
-      subject { build.extract_coverage(' (98.39%) covered. (98.29%) covered', '\(\d+.\d+\%\) covered') }
-
-      it { is_expected.to eq(98.29) }
-    end
-
-    context 'using a regex capture' do
-      subject { build.extract_coverage('TOTAL      9926   3489    65%', 'TOTAL\s+\d+\s+\d+\s+(\d{1,3}\%)') }
-
-      it { is_expected.to eq(65) }
-    end
-  end
-
-  describe '#ref_slug' do
-    {
-      'master'    => 'master',
-      '1-foo'     => '1-foo',
-      'fix/1-foo' => 'fix-1-foo',
-      'fix-1-foo' => 'fix-1-foo',
-      'a' * 63    => 'a' * 63,
-      'a' * 64    => 'a' * 63,
-      'FOO'       => 'foo',
-    }.each do |ref, slug|
-      it "transforms #{ref} to #{slug}" do
-        build.ref = ref
-
-        expect(build.ref_slug).to eq(slug)
-      end
-    end
-  end
-
-  describe '#variables' do
-    let(:container_registry_enabled) { false }
-    let(:predefined_variables) do
-      [
-        { key: 'CI', value: 'true', public: true },
-        { key: 'GITLAB_CI', value: 'true', public: true },
-        { key: 'CI_BUILD_ID', value: build.id.to_s, public: true },
-        { key: 'CI_BUILD_TOKEN', value: build.token, public: false },
-        { key: 'CI_BUILD_REF', value: build.sha, public: true },
-        { key: 'CI_BUILD_BEFORE_SHA', value: build.before_sha, public: true },
-        { key: 'CI_BUILD_REF_NAME', value: 'master', public: true },
-        { key: 'CI_BUILD_REF_SLUG', value: 'master', public: true },
-        { key: 'CI_BUILD_NAME', value: 'test', public: true },
-        { key: 'CI_BUILD_STAGE', value: 'test', public: true },
-        { key: 'CI_SERVER_NAME', value: 'GitLab', public: true },
-        { key: 'CI_SERVER_VERSION', value: Gitlab::VERSION, public: true },
-        { key: 'CI_SERVER_REVISION', value: Gitlab::REVISION, public: true },
-        { key: 'CI_PROJECT_ID', value: project.id.to_s, public: true },
-        { key: 'CI_PROJECT_NAME', value: project.path, public: true },
-        { key: 'CI_PROJECT_PATH', value: project.path_with_namespace, public: true },
-        { key: 'CI_PROJECT_NAMESPACE', value: project.namespace.path, public: true },
-        { key: 'CI_PROJECT_URL', value: project.web_url, public: true },
-        { key: 'CI_PIPELINE_ID', value: pipeline.id.to_s, public: true }
-      ]
-    end
-
-    before do
-      stub_container_registry_config(enabled: container_registry_enabled, host_port: 'registry.example.com')
-    end
-
-    subject { build.variables }
-
-    context 'returns variables' do
-      before do
-        build.yaml_variables = []
-      end
-
-      it { is_expected.to eq(predefined_variables) }
-    end
-
-    context 'when build has user' do
-      let(:user) { create(:user, username: 'starter') }
-      let(:user_variables) do
-        [
-          { key: 'GITLAB_USER_ID',    value: user.id.to_s, public: true },
-          { key: 'GITLAB_USER_EMAIL', value: user.email,   public: true }
-        ]
-      end
-
-      before do
-        build.update_attributes(user: user)
-      end
-
-      it { user_variables.each { |v| is_expected.to include(v) } }
-    end
-
-    context 'when build has an environment' do
-      before do
-        build.update(environment: 'production')
-        create(:environment, project: build.project, name: 'production', slug: 'prod-slug')
-      end
-
-      let(:environment_variables) do
-        [
-          { key: 'CI_ENVIRONMENT_NAME', value: 'production', public: true },
-          { key: 'CI_ENVIRONMENT_SLUG', value: 'prod-slug',  public: true }
-        ]
-      end
-
-      it { environment_variables.each { |v| is_expected.to include(v) } }
-    end
-
-    context 'when build started manually' do
-      before do
-        build.update_attributes(when: :manual)
-      end
-
-      let(:manual_variable) do
-        { key: 'CI_BUILD_MANUAL', value: 'true', public: true }
-      end
-
-      it { is_expected.to include(manual_variable) }
-    end
-
-    context 'when build is for tag' do
-      let(:tag_variable) do
-        { key: 'CI_BUILD_TAG', value: 'master', public: true }
-      end
-
-      before do
-        build.update_attributes(tag: true)
-      end
-
-      it { is_expected.to include(tag_variable) }
-    end
-
-    context 'when secure variable is defined' do
-      let(:secure_variable) do
-        { key: 'SECRET_KEY', value: 'secret_value', public: false }
-      end
-
-      before do
-        build.project.variables << Ci::Variable.new(key: 'SECRET_KEY', value: 'secret_value')
-      end
-
-      it { is_expected.to include(secure_variable) }
-    end
-
-    context 'when build is for triggers' do
-      let(:trigger) { create(:ci_trigger, project: project) }
-      let(:trigger_request) { create(:ci_trigger_request_with_variables, pipeline: pipeline, trigger: trigger) }
-      let(:user_trigger_variable) do
-        { key: :TRIGGER_KEY_1, value: 'TRIGGER_VALUE_1', public: false }
-      end
-      let(:predefined_trigger_variable) do
-        { key: 'CI_BUILD_TRIGGERED', value: 'true', public: true }
-      end
-
-      before do
-        build.trigger_request = trigger_request
-      end
-
-      it { is_expected.to include(user_trigger_variable) }
-      it { is_expected.to include(predefined_trigger_variable) }
-    end
-
-    context 'when yaml_variables are undefined' do
-      before do
-        build.yaml_variables = nil
-      end
-
-      context 'use from gitlab-ci.yml' do
-        before do
-          stub_ci_pipeline_yaml_file(config)
-        end
-
-        context 'when config is not found' do
-          let(:config) { nil }
-
-          it { is_expected.to eq(predefined_variables) }
-        end
-
-        context 'when config does not have a questioned job' do
-          let(:config) do
-            YAML.dump({
-              test_other: {
-                script: 'Hello World'
-              }
-            })
-          end
-
-          it { is_expected.to eq(predefined_variables) }
-        end
-
-        context 'when config has variables' do
-          let(:config) do
-            YAML.dump({
-              test: {
-                script: 'Hello World',
-                variables: {
-                  KEY: 'value'
-                }
-              }
-            })
-          end
-          let(:variables) do
-            [{ key: 'KEY', value: 'value', public: true }]
-          end
-
-          it { is_expected.to eq(predefined_variables + variables) }
-        end
-      end
-    end
-
-    context 'when container registry is enabled' do
-      let(:container_registry_enabled) { true }
-      let(:ci_registry) do
-        { key: 'CI_REGISTRY',  value: 'registry.example.com',  public: true }
-      end
-      let(:ci_registry_image) do
-        { key: 'CI_REGISTRY_IMAGE',  value: project.container_registry_repository_url, public: true }
-      end
-
-      context 'and is disabled for project' do
-        before do
-          project.update(container_registry_enabled: false)
-        end
-
-        it { is_expected.to include(ci_registry) }
-        it { is_expected.not_to include(ci_registry_image) }
-      end
-
-      context 'and is enabled for project' do
-        before do
-          project.update(container_registry_enabled: true)
-        end
-
-        it { is_expected.to include(ci_registry) }
-        it { is_expected.to include(ci_registry_image) }
-      end
-    end
-
-    context 'when runner is assigned to build' do
-      let(:runner) { create(:ci_runner, description: 'description', tag_list: ['docker', 'linux']) }
-
-      before do
-        build.update(runner: runner)
-      end
-
-      it { is_expected.to include({ key: 'CI_RUNNER_ID', value: runner.id.to_s, public: true }) }
-      it { is_expected.to include({ key: 'CI_RUNNER_DESCRIPTION', value: 'description', public: true }) }
-      it { is_expected.to include({ key: 'CI_RUNNER_TAGS', value: 'docker, linux', public: true }) }
-    end
-
-    context 'when build is for a deployment' do
-      let(:deployment_variable) { { key: 'KUBERNETES_TOKEN', value: 'TOKEN', public: false } }
-
-      before do
-        build.environment = 'production'
-        allow(project).to receive(:deployment_variables).and_return([deployment_variable])
-      end
-
-      it { is_expected.to include(deployment_variable) }
-    end
-
-    context 'returns variables in valid order' do
-      before do
-        allow(build).to receive(:predefined_variables) { ['predefined'] }
-        allow(project).to receive(:predefined_variables) { ['project'] }
-        allow(pipeline).to receive(:predefined_variables) { ['pipeline'] }
-        allow(build).to receive(:yaml_variables) { ['yaml'] }
-        allow(project).to receive(:secret_variables) { ['secret'] }
-      end
-
-      it { is_expected.to eq(%w[predefined project pipeline yaml secret]) }
-    end
-  end
-
-  describe '#has_tags?' do
-    context 'when build has tags' do
-      subject { create(:ci_build, tag_list: ['tag']) }
-      it { is_expected.to have_tags }
-    end
-
-    context 'when build does not have tags' do
-      subject { create(:ci_build, tag_list: []) }
-      it { is_expected.not_to have_tags }
-    end
-  end
-
-  describe '#any_runners_online?' do
-    subject { build.any_runners_online? }
-
-    context 'when no runners' do
-      it { is_expected.to be_falsey }
-    end
-
-    context 'when there are runners' do
-      let(:runner) { create(:ci_runner) }
-
-      before do
-        build.project.runners << runner
-        runner.update_attributes(contacted_at: 1.second.ago)
-      end
-
-      it { is_expected.to be_truthy }
-
-      it 'that is inactive' do
-        runner.update_attributes(active: false)
-        is_expected.to be_falsey
-      end
-
-      it 'that is not online' do
-        runner.update_attributes(contacted_at: nil)
-        is_expected.to be_falsey
-      end
-
-      it 'that cannot handle build' do
-        expect_any_instance_of(Ci::Runner).to receive(:can_pick?).and_return(false)
-        is_expected.to be_falsey
-      end
-    end
-  end
-
-  describe '#stuck?' do
-    subject { build.stuck? }
-
-    context "when commit_status.status is pending" do
-      before do
-        build.status = 'pending'
-      end
-
-      it { is_expected.to be_truthy }
-
-      context "and there are specific runner" do
-        let(:runner) { create(:ci_runner, contacted_at: 1.second.ago) }
-
-        before do
-          build.project.runners << runner
-          runner.save
-        end
-
-        it { is_expected.to be_falsey }
-      end
-    end
-
-    %w[success failed canceled running].each do |state|
-      context "when commit_status.status is #{state}" do
-        before do
-          build.status = state
-        end
-
-        it { is_expected.to be_falsey }
-      end
-    end
-  end
-
-  describe '#artifacts?' do
-    subject { build.artifacts? }
-
-    context 'artifacts archive does not exist' do
-      before do
-        build.update_attributes(artifacts_file: nil)
-      end
-
-      it { is_expected.to be_falsy }
-    end
-
-    context 'artifacts archive exists' do
-      let(:build) { create(:ci_build, :artifacts) }
-      it { is_expected.to be_truthy }
-
-      context 'is expired' do
-        before { build.update(artifacts_expire_at: Time.now - 7.days)  }
-        it { is_expected.to be_falsy }
-      end
-
-      context 'is not expired' do
-        before { build.update(artifacts_expire_at: Time.now + 7.days)  }
-        it { is_expected.to be_truthy }
-      end
-    end
-  end
-
-  describe '#artifacts_expired?' do
-    subject { build.artifacts_expired? }
-
-    context 'is expired' do
-      before { build.update(artifacts_expire_at: Time.now - 7.days)  }
-
-      it { is_expected.to be_truthy }
-    end
-
-    context 'is not expired' do
-      before { build.update(artifacts_expire_at: Time.now + 7.days)  }
-
-      it { is_expected.to be_falsey }
-    end
-  end
-
-  describe '#artifacts_metadata?' do
-    subject { build.artifacts_metadata? }
-    context 'artifacts metadata does not exist' do
-      it { is_expected.to be_falsy }
-    end
-
-    context 'artifacts archive is a zip file and metadata exists' do
-      let(:build) { create(:ci_build, :artifacts) }
-      it { is_expected.to be_truthy }
-    end
-  end
-  describe '#repo_url' do
-    let(:build) { create(:ci_build) }
-    let(:project) { build.project }
-
-    subject { build.repo_url }
-
-    it { is_expected.to be_a(String) }
-    it { is_expected.to end_with(".git") }
-    it { is_expected.to start_with(project.web_url[0..6]) }
-    it { is_expected.to include(build.token) }
-    it { is_expected.to include('gitlab-ci-token') }
-    it { is_expected.to include(project.web_url[7..-1]) }
-  end
-
-  describe '#artifacts_expire_in' do
-    subject { build.artifacts_expire_in }
-    it { is_expected.to be_nil }
-
-    context 'when artifacts_expire_at is specified' do
-      let(:expire_at) { Time.now + 7.days }
-
-      before { build.artifacts_expire_at = expire_at }
-
-      it { is_expected.to be_within(5).of(expire_at - Time.now) }
-    end
-  end
-
-  describe '#artifacts_expire_in=' do
-    subject { build.artifacts_expire_in }
-
-    it 'when assigning valid duration' do
-      build.artifacts_expire_in = '7 days'
-
-      is_expected.to be_within(10).of(7.days.to_i)
-    end
-
-    it 'when assigning invalid duration' do
-      expect { build.artifacts_expire_in = '7 elephants' }.to raise_error(ChronicDuration::DurationParseError)
-      is_expected.to be_nil
-    end
-
-    it 'when resseting value' do
-      build.artifacts_expire_in = nil
-
-      is_expected.to be_nil
-    end
-  end
-
-  describe '#keep_artifacts!' do
-    let(:build) { create(:ci_build, artifacts_expire_at: Time.now + 7.days) }
-
-    it 'to reset expire_at' do
-      build.keep_artifacts!
-
-      expect(build.artifacts_expire_at).to be_nil
-    end
-  end
-
-  describe '#depends_on_builds' do
-    let!(:build) { create(:ci_build, pipeline: pipeline, name: 'build', stage_idx: 0, stage: 'build') }
-    let!(:rspec_test) { create(:ci_build, pipeline: pipeline, name: 'rspec', stage_idx: 1, stage: 'test') }
-    let!(:rubocop_test) { create(:ci_build, pipeline: pipeline, name: 'rubocop', stage_idx: 1, stage: 'test') }
-    let!(:staging) { create(:ci_build, pipeline: pipeline, name: 'staging', stage_idx: 2, stage: 'deploy') }
-
-    it 'expects to have no dependents if this is first build' do
-      expect(build.depends_on_builds).to be_empty
-    end
-
-    it 'expects to have one dependent if this is test' do
-      expect(rspec_test.depends_on_builds.map(&:id)).to contain_exactly(build.id)
-    end
-
-    it 'expects to have all builds from build and test stage if this is last' do
-      expect(staging.depends_on_builds.map(&:id)).to contain_exactly(build.id, rspec_test.id, rubocop_test.id)
-    end
-
-    it 'expects to have retried builds instead the original ones' do
-      retried_rspec = Ci::Build.retry(rspec_test)
-      expect(staging.depends_on_builds.map(&:id)).to contain_exactly(build.id, retried_rspec.id, rubocop_test.id)
-    end
-  end
-
-  def create_mr(build, pipeline, factory: :merge_request, created_at: Time.now)
-    create(factory, source_project_id: pipeline.gl_project_id,
-                    target_project_id: pipeline.gl_project_id,
-                    source_branch: build.ref,
-                    created_at: created_at)
-  end
-
-  describe '#merge_request' do
-    context 'when a MR has a reference to the pipeline' do
-      before do
-        @merge_request = create_mr(build, pipeline, factory: :merge_request)
-
-        commits = [double(id: pipeline.sha)]
-        allow(@merge_request).to receive(:commits).and_return(commits)
-        allow(MergeRequest).to receive_message_chain(:includes, :where, :reorder).and_return([@merge_request])
-      end
-
-      it 'returns the single associated MR' do
-        expect(build.merge_request.id).to eq(@merge_request.id)
-      end
-    end
-
-    context 'when there is not a MR referencing the pipeline' do
-      it 'returns nil' do
-        expect(build.merge_request).to be_nil
-      end
-    end
-
-    context 'when more than one MR have a reference to the pipeline' do
-      before do
-        @merge_request = create_mr(build, pipeline, factory: :merge_request)
-        @merge_request.close!
-        @merge_request2 = create_mr(build, pipeline, factory: :merge_request)
-
-        commits = [double(id: pipeline.sha)]
-        allow(@merge_request).to receive(:commits).and_return(commits)
-        allow(@merge_request2).to receive(:commits).and_return(commits)
-        allow(MergeRequest).to receive_message_chain(:includes, :where, :reorder).and_return([@merge_request, @merge_request2])
-      end
-
-      it 'returns the first MR' do
-        expect(build.merge_request.id).to eq(@merge_request.id)
-      end
-    end
-
-    context 'when a Build is created after the MR' do
-      before do
-        @merge_request = create_mr(build, pipeline, factory: :merge_request_with_diffs)
-        pipeline2 = create(:ci_pipeline, project: project)
-        @build2 = create(:ci_build, pipeline: pipeline2)
-
-        allow(@merge_request).to receive(:commits_sha).
-          and_return([pipeline.sha, pipeline2.sha])
-        allow(MergeRequest).to receive_message_chain(:includes, :where, :reorder).and_return([@merge_request])
-      end
-
-      it 'returns the current MR' do
-        expect(@build2.merge_request.id).to eq(@merge_request.id)
-      end
-    end
-  end
-
-  describe 'build erasable' do
-    shared_examples 'erasable' do
-      it 'removes artifact file' do
-        expect(build.artifacts_file.exists?).to be_falsy
-      end
-
-      it 'removes artifact metadata file' do
-        expect(build.artifacts_metadata.exists?).to be_falsy
-      end
-
-      it 'erases build trace in trace file' do
-        expect(build.trace).to be_empty
-      end
-
-      it 'sets erased to true' do
-        expect(build.erased?).to be true
-      end
-
-      it 'sets erase date' do
-        expect(build.erased_at).not_to be_falsy
-      end
-    end
-
-    context 'build is not erasable' do
-      let!(:build) { create(:ci_build) }
-
-      describe '#erase' do
-        subject { build.erase }
-
-        it { is_expected.to be false }
-      end
-
-      describe '#erasable?' do
-        subject { build.erasable? }
-        it { is_expected.to eq false }
-      end
-    end
-
-    context 'build is erasable' do
-      let!(:build) { create(:ci_build, :trace, :success, :artifacts) }
-
-      describe '#erase' do
-        before do
-          build.erase(erased_by: user)
-        end
-
-        context 'erased by user' do
-          let!(:user) { create(:user, username: 'eraser') }
-
-          include_examples 'erasable'
-
-          it 'records user who erased a build' do
-            expect(build.erased_by).to eq user
-          end
-        end
-
-        context 'erased by system' do
-          let(:user) { nil }
-
-          include_examples 'erasable'
-
-          it 'does not set user who erased a build' do
-            expect(build.erased_by).to be_nil
-          end
-        end
-      end
-
-      describe '#erasable?' do
-        subject { build.erasable? }
-        it { is_expected.to be_truthy }
-      end
-
-      describe '#erased?' do
-        let!(:build) { create(:ci_build, :trace, :success, :artifacts) }
-        subject { build.erased? }
-
-        context 'build has not been erased' do
-          it { is_expected.to be_falsey }
-        end
-
-        context 'build has been erased' do
-          before do
-            build.erase
-          end
-
-          it { is_expected.to be_truthy }
-        end
-      end
-
-      context 'metadata and build trace are not available' do
-        let!(:build) { create(:ci_build, :success, :artifacts) }
-
-        before do
-          build.remove_artifacts_metadata!
-        end
-
-        describe '#erase' do
-          it 'does not raise error' do
-            expect { build.erase }.not_to raise_error
-          end
-        end
-      end
-    end
-  end
-
-  describe '#commit' do
-    it 'returns commit pipeline has been created for' do
-      expect(build.commit).to eq project.commit
-    end
-  end
-
-  describe '#when' do
-    subject { build.when }
-
-    context 'when `when` is undefined' do
-      before do
-        build.when = nil
-      end
-
-      context 'use from gitlab-ci.yml' do
-        before do
-          stub_ci_pipeline_yaml_file(config)
-        end
-
-        context 'when config is not found' do
-          let(:config) { nil }
-
-          it { is_expected.to eq('on_success') }
-        end
-
-        context 'when config does not have a questioned job' do
-          let(:config) do
-            YAML.dump({
-                        test_other: {
-                          script: 'Hello World'
-                        }
-                      })
-          end
-
-          it { is_expected.to eq('on_success') }
-        end
-
-        context 'when config has `when`' do
-          let(:config) do
-            YAML.dump({
-                        test: {
-                          script: 'Hello World',
-                          when: 'always'
-                        }
-                      })
-          end
-
-          it { is_expected.to eq('always') }
-        end
-      end
-    end
-  end
-
-  describe '#cancelable?' do
-    subject { build }
-
-    context 'when build is cancelable' do
-      context 'when build is pending' do
-        it { is_expected.to be_cancelable }
-      end
-
-      context 'when build is running' do
-        before do
-          build.run!
-        end
-
-        it { is_expected.to be_cancelable }
-      end
-    end
-
-    context 'when build is not cancelable' do
-      context 'when build is successful' do
-        before do
-          build.success!
-        end
-
-        it { is_expected.not_to be_cancelable }
-      end
-
-      context 'when build is failed' do
-        before do
-          build.drop!
-        end
-
-        it { is_expected.not_to be_cancelable }
-      end
-    end
-  end
-
-  describe '#retryable?' do
-    subject { build }
-
-    context 'when build is retryable' do
-      context 'when build is successful' do
-        before do
-          build.success!
-        end
-
-        it { is_expected.to be_retryable }
-      end
-
-      context 'when build is failed' do
-        before do
-          build.drop!
-        end
-
-        it { is_expected.to be_retryable }
-      end
-
-      context 'when build is canceled' do
-        before do
-          build.cancel!
-        end
-
-        it { is_expected.to be_retryable }
-      end
-    end
-
-    context 'when build is not retryable' do
-      context 'when build is running' do
-        before do
-          build.run!
-        end
-
-        it { is_expected.not_to be_retryable }
-      end
-
-      context 'when build is skipped' do
-        before do
-          build.skip!
-        end
-
-        it { is_expected.not_to be_retryable }
-      end
-    end
-  end
-
-  describe '#manual?' do
-    before do
-      build.update(when: value)
-    end
-
-    subject { build.manual? }
-
-    context 'when is set to manual' do
-      let(:value) { 'manual' }
-
-      it { is_expected.to be_truthy }
-    end
-
-    context 'when set to something else' do
-      let(:value) { 'something else' }
-
-      it { is_expected.to be_falsey }
-    end
-  end
-
-  describe '#other_actions' do
-    let(:build) { create(:ci_build, :manual, pipeline: pipeline) }
-    let!(:other_build) { create(:ci_build, :manual, pipeline: pipeline, name: 'other action') }
-
-    subject { build.other_actions }
-
-    it 'returns other actions' do
-      is_expected.to contain_exactly(other_build)
-    end
-
-    context 'when build is retried' do
-      let!(:new_build) { Ci::Build.retry(build) }
-
-      it 'does not return any of them' do
-        is_expected.not_to include(build, new_build)
-      end
-    end
-
-    context 'when other build is retried' do
-      let!(:retried_build) { Ci::Build.retry(other_build) }
-
-      it 'returns a retried build' do
-        is_expected.to contain_exactly(retried_build)
-      end
-    end
-  end
-
-  describe '#play' do
-    let(:build) { create(:ci_build, :manual, pipeline: pipeline) }
-
-    subject { build.play }
-
-    it 'enqueues a build' do
-      is_expected.to be_pending
-      is_expected.to eq(build)
-    end
-
-    context 'for successful build' do
-      before do
-        build.update(status: 'success')
-      end
-
-      it 'creates a new build' do
-        is_expected.to be_pending
-        is_expected.not_to eq(build)
-      end
-    end
-  end
-
-  describe '#when' do
-    subject { build.when }
-
-    context 'when `when` is undefined' do
-      before do
-        build.when = nil
-      end
-
-      context 'use from gitlab-ci.yml' do
-        before do
-          stub_ci_pipeline_yaml_file(config)
-        end
-
-        context 'when config is not found' do
-          let(:config) { nil }
-
-          it { is_expected.to eq('on_success') }
-        end
-
-        context 'when config does not have a questioned job' do
-          let(:config) do
-            YAML.dump({
-                        test_other: {
-                          script: 'Hello World'
-                        }
-                      })
-          end
-
-          it { is_expected.to eq('on_success') }
-        end
-
-        context 'when config has when' do
-          let(:config) do
-            YAML.dump({
-                        test: {
-                          script: 'Hello World',
-                          when: 'always'
-                        }
-                      })
-          end
-
-          it { is_expected.to eq('always') }
-        end
-      end
-    end
-  end
-
-  describe '#retryable?' do
-    context 'when build is running' do
-      before { build.run! }
-
-      it 'returns false' do
-        expect(build).not_to be_retryable
-      end
-    end
-
-    context 'when build is finished' do
-      before do
-        build.success!
-      end
-
-      it 'returns true' do
-        expect(build).to be_retryable
-      end
-    end
-  end
-
-  describe '#has_environment?' do
-    subject { build.has_environment? }
-
-    context 'when environment is defined' do
-      before do
-        build.update(environment: 'review')
-      end
-
-      it { is_expected.to be_truthy }
-    end
-
-    context 'when environment is not defined' do
-      before do
-        build.update(environment: nil)
-      end
-
-      it { is_expected.to be_falsey }
-    end
-  end
-
-  describe '#starts_environment?' do
-    subject { build.starts_environment? }
-
-    context 'when environment is defined' do
-      before do
-        build.update(environment: 'review')
-      end
-
-      context 'no action is defined' do
-        it { is_expected.to be_truthy }
-      end
-
-      context 'and start action is defined' do
-        before do
-          build.update(options: { environment: { action: 'start' } } )
-        end
-
-        it { is_expected.to be_truthy }
-      end
-    end
-
-    context 'when environment is not defined' do
-      before do
-        build.update(environment: nil)
-      end
-
-      it { is_expected.to be_falsey }
-    end
-  end
-
-  describe '#stops_environment?' do
-    subject { build.stops_environment? }
-
-    context 'when environment is defined' do
-      before do
-        build.update(environment: 'review')
-      end
-
-      context 'no action is defined' do
-        it { is_expected.to be_falsey }
-      end
-
-      context 'and stop action is defined' do
-        before do
-          build.update(options: { environment: { action: 'stop' } } )
-        end
-
-        it { is_expected.to be_truthy }
-      end
-    end
-
-    context 'when environment is not defined' do
-      before do
-        build.update(environment: nil)
-      end
-
-      it { is_expected.to be_falsey }
-    end
-  end
-
-  describe '#last_deployment' do
-    subject { build.last_deployment }
-
-    context 'when multiple deployments are created' do
-      let!(:deployment1) { create(:deployment, deployable: build) }
-      let!(:deployment2) { create(:deployment, deployable: build) }
-
-      it 'returns the latest one' do
-        is_expected.to eq(deployment2)
-      end
-    end
-  end
-
-  describe '#outdated_deployment?' do
-    subject { build.outdated_deployment? }
-
-    context 'when build succeeded' do
-      let(:build) { create(:ci_build, :success) }
-      let!(:deployment) { create(:deployment, deployable: build) }
-
-      context 'current deployment is latest' do
-        it { is_expected.to be_falsey }
-      end
-
-      context 'current deployment is not latest on environment' do
-        let!(:deployment2) { create(:deployment, environment: deployment.environment) }
-
-        it { is_expected.to be_truthy }
-      end
-    end
-
-    context 'when build failed' do
-      let(:build) { create(:ci_build, :failed) }
-
-      it { is_expected.to be_falsey }
-    end
-  end
-
-  describe '#expanded_environment_name' do
-    subject { build.expanded_environment_name }
-
-    context 'when environment uses $CI_BUILD_REF_NAME' do
-      let(:build) do
-        create(:ci_build,
-               ref: 'master',
-               environment: 'review/$CI_BUILD_REF_NAME')
-      end
-
-      it { is_expected.to eq('review/master') }
-    end
-
-    context 'when environment uses yaml_variables containing symbol keys' do
-      let(:build) do
-        create(:ci_build,
-               yaml_variables: [{ key: :APP_HOST, value: 'host' }],
-               environment: 'review/$APP_HOST')
-      end
-
-      it { is_expected.to eq('review/host') }
-    end
-  end
-
-  describe '#detailed_status' do
-    let(:user) { create(:user) }
-
-    it 'returns a detailed status' do
-      expect(build.detailed_status(user))
-        .to be_a Gitlab::Ci::Status::Build::Cancelable
-    end
-  end
-end

spec/models/ci/build_spec.rb

 require 'spec_helper'
 
-describe Ci::Build, models: true do
-  let(:build) { create(:ci_build) }
+describe Ci::Build, :models do
+  let(:project) { create(:project) }
+  let(:build) { create(:ci_build, pipeline: pipeline) }
   let(:test_trace) { 'This is a test' }
 
+  let(:pipeline) do
+    create(:ci_pipeline, project: project,
+                         sha: project.commit.id,
+                         ref: project.default_branch,
+                         status: 'success')
+  end
+
   it { is_expected.to belong_to(:runner) }
   it { is_expected.to belong_to(:trigger_request) }
   it { is_expected.to belong_to(:erased_by) }
+  it { is_expected.to have_many(:deployments) }
+  it { is_expected.to validate_presence_of :ref }
+  it { is_expected.to respond_to :trace_html }
+
+  describe '#any_runners_online?' do
+    subject { build.any_runners_online? }
+
+    context 'when no runners' do
+      it { is_expected.to be_falsey }
+    end
+
+    context 'when there are runners' do
+      let(:runner) { create(:ci_runner) }
+
+      before do
+        build.project.runners << runner
+        runner.update_attributes(contacted_at: 1.second.ago)
+      end
+
+      it { is_expected.to be_truthy }
+
+      it 'that is inactive' do
+        runner.update_attributes(active: false)
+        is_expected.to be_falsey
+      end
+
+      it 'that is not online' do
+        runner.update_attributes(contacted_at: nil)
+        is_expected.to be_falsey
+      end
+
+      it 'that cannot handle build' do
+        expect_any_instance_of(Ci::Runner).to receive(:can_pick?).and_return(false)
+        is_expected.to be_falsey
+      end
+    end
+  end
+
+  describe '#append_trace' do
+    subject { build.trace_html }
+
+    context 'when build.trace hides runners token' do
+      let(:token) { 'my_secret_token' }
+
+      before do
+        build.project.update(runners_token: token)
+        build.append_trace(token, 0)
+      end
+
+      it { is_expected.not_to include(token) }
+    end
+
+    context 'when build.trace hides build token' do
+      let(:token) { 'my_secret_token' }
+
+      before do
+        build.update(token: token)
+        build.append_trace(token, 0)
+      end
+
+      it { is_expected.not_to include(token) }
+    end
+  end
+
+  describe '#artifacts?' do
+    subject { build.artifacts? }
+
+    context 'artifacts archive does not exist' do
+      before do
+        build.update_attributes(artifacts_file: nil)
+      end
+
+      it { is_expected.to be_falsy }
+    end
+
+    context 'artifacts archive exists' do
+      let(:build) { create(:ci_build, :artifacts) }
+      it { is_expected.to be_truthy }
+
+      context 'is expired' do
+        before { build.update(artifacts_expire_at: Time.now - 7.days)  }
+        it { is_expected.to be_falsy }
+      end
+
+      context 'is not expired' do
+        before { build.update(artifacts_expire_at: Time.now + 7.days)  }
+        it { is_expected.to be_truthy }
+      end
+    end
+  end
+
+  describe '#artifacts_expired?' do
+    subject { build.artifacts_expired? }
+
+    context 'is expired' do
+      before { build.update(artifacts_expire_at: Time.now - 7.days)  }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context 'is not expired' do
+      before { build.update(artifacts_expire_at: Time.now + 7.days)  }
+
+      it { is_expected.to be_falsey }
+    end
+  end
+
+  describe '#artifacts_metadata?' do
+    subject { build.artifacts_metadata? }
+    context 'artifacts metadata does not exist' do
+      it { is_expected.to be_falsy }
+    end
+
+    context 'artifacts archive is a zip file and metadata exists' do
+      let(:build) { create(:ci_build, :artifacts) }
+      it { is_expected.to be_truthy }
+    end
+  end
+
+  describe '#artifacts_expire_in' do
+    subject { build.artifacts_expire_in }
+    it { is_expected.to be_nil }
+
+    context 'when artifacts_expire_at is specified' do
+      let(:expire_at) { Time.now + 7.days }
+
+      before { build.artifacts_expire_at = expire_at }
+
+      it { is_expected.to be_within(5).of(expire_at - Time.now) }
+    end
+  end
+
+  describe '#artifacts_expire_in=' do
+    subject { build.artifacts_expire_in }
+
+    it 'when assigning valid duration' do
+      build.artifacts_expire_in = '7 days'
+
+      is_expected.to be_within(10).of(7.days.to_i)
+    end
+
+    it 'when assigning invalid duration' do
+      expect { build.artifacts_expire_in = '7 elephants' }.to raise_error(ChronicDuration::DurationParseError)
+      is_expected.to be_nil
+    end
+
+    it 'when resseting value' do
+      build.artifacts_expire_in = nil
+
+      is_expected.to be_nil
+    end
+  end
+
+  describe '#commit' do
+    it 'returns commit pipeline has been created for' do
+      expect(build.commit).to eq project.commit
+    end
+  end
+
+  describe '#create_from' do
+    before do
+      build.status = 'success'
+      build.save
+    end
+    let(:create_from_build) { Ci::Build.create_from build }
+
+    it 'exists a pending task' do
+      expect(Ci::Build.pending.count(:all)).to eq 0
+      create_from_build
+      expect(Ci::Build.pending.count(:all)).to be > 0
+    end
+  end
+
+  describe '#depends_on_builds' do
+    let!(:build) { create(:ci_build, pipeline: pipeline, name: 'build', stage_idx: 0, stage: 'build') }
+    let!(:rspec_test) { create(:ci_build, pipeline: pipeline, name: 'rspec', stage_idx: 1, stage: 'test') }
+    let!(:rubocop_test) { create(:ci_build, pipeline: pipeline, name: 'rubocop', stage_idx: 1, stage: 'test') }
+    let!(:staging) { create(:ci_build, pipeline: pipeline, name: 'staging', stage_idx: 2, stage: 'deploy') }
+
+    it 'expects to have no dependents if this is first build' do
+      expect(build.depends_on_builds).to be_empty
+    end
+
+    it 'expects to have one dependent if this is test' do
+      expect(rspec_test.depends_on_builds.map(&:id)).to contain_exactly(build.id)
+    end
+
+    it 'expects to have all builds from build and test stage if this is last' do
+      expect(staging.depends_on_builds.map(&:id)).to contain_exactly(build.id, rspec_test.id, rubocop_test.id)
+    end
+
+    it 'expects to have retried builds instead the original ones' do
+      retried_rspec = Ci::Build.retry(rspec_test)
+      expect(staging.depends_on_builds.map(&:id)).to contain_exactly(build.id, retried_rspec.id, rubocop_test.id)
+    end
+  end
+
+  describe '#detailed_status' do
+    let(:user) { create(:user) }
+
+    it 'returns a detailed status' do
+      expect(build.detailed_status(user))
+        .to be_a Gitlab::Ci::Status::Build::Cancelable
+    end
+  end
+
+  describe 'deployment' do
+    describe '#last_deployment' do
+      subject { build.last_deployment }
+
+      context 'when multiple deployments are created' do
+        let!(:deployment1) { create(:deployment, deployable: build) }
+        let!(:deployment2) { create(:deployment, deployable: build) }
+
+        it 'returns the latest one' do
+          is_expected.to eq(deployment2)
+        end
+      end
+    end
+
+    describe '#outdated_deployment?' do
+      subject { build.outdated_deployment? }
+
+      context 'when build succeeded' do
+        let(:build) { create(:ci_build, :success) }
+        let!(:deployment) { create(:deployment, deployable: build) }
+
+        context 'current deployment is latest' do
+          it { is_expected.to be_falsey }
+        end
+
+        context 'current deployment is not latest on environment' do
+          let!(:deployment2) { create(:deployment, environment: deployment.environment) }
+
+          it { is_expected.to be_truthy }
+        end
+      end
+
+      context 'when build failed' do
+        let(:build) { create(:ci_build, :failed) }
+
+        it { is_expected.to be_falsey }
+      end
+    end
+  end
+
+  describe 'environment' do
+    describe '#has_environment?' do
+      subject { build.has_environment? }
+
+      context 'when environment is defined' do
+        before do
+          build.update(environment: 'review')
+        end
+
+        it { is_expected.to be_truthy }
+      end
+
+      context 'when environment is not defined' do
+        before do
+          build.update(environment: nil)
+        end
+
+        it { is_expected.to be_falsey }
+      end
+    end
+
+    describe '#expanded_environment_name' do
+      subject { build.expanded_environment_name }
+
+      context 'when environment uses $CI_BUILD_REF_NAME' do
+        let(:build) do
+          create(:ci_build,
+                 ref: 'master',
+                 environment: 'review/$CI_BUILD_REF_NAME')
+        end
+
+        it { is_expected.to eq('review/master') }
+      end
+
+      context 'when environment uses yaml_variables containing symbol keys' do
+        let(:build) do
+          create(:ci_build,
+                 yaml_variables: [{ key: :APP_HOST, value: 'host' }],
+                 environment: 'review/$APP_HOST')
+        end
+
+        it { is_expected.to eq('review/host') }
+      end
+    end
+
+    describe '#starts_environment?' do
+      subject { build.starts_environment? }
+
+      context 'when environment is defined' do
+        before do
+          build.update(environment: 'review')
+        end
+
+        context 'no action is defined' do
+          it { is_expected.to be_truthy }
+        end
+
+        context 'and start action is defined' do
+          before do
+            build.update(options: { environment: { action: 'start' } } )
+          end
+
+          it { is_expected.to be_truthy }
+        end
+      end
+
+      context 'when environment is not defined' do
+        before do
+          build.update(environment: nil)
+        end
+
+        it { is_expected.to be_falsey }
+      end
+    end
+
+    describe '#stops_environment?' do
+      subject { build.stops_environment? }
+
+      context 'when environment is defined' do
+        before do
+          build.update(environment: 'review')
+        end
+
+        context 'no action is defined' do
+          it { is_expected.to be_falsey }
+        end
+
+        context 'and stop action is defined' do
+          before do
+            build.update(options: { environment: { action: 'stop' } } )
+          end
+
+          it { is_expected.to be_truthy }
+        end
+      end
+
+      context 'when environment is not defined' do
+        before do
+          build.update(environment: nil)
+        end
+
+        it { is_expected.to be_falsey }
+      end
+    end
+  end
+
+  describe 'erasable build' do
+    shared_examples 'erasable' do
+      it 'removes artifact file' do
+        expect(build.artifacts_file.exists?).to be_falsy
+      end
+
+      it 'removes artifact metadata file' do
+        expect(build.artifacts_metadata.exists?).to be_falsy
+      end
+
+      it 'erases build trace in trace file' do
+        expect(build.trace).to be_empty
+      end
+
+      it 'sets erased to true' do
+        expect(build.erased?).to be true
+      end
+
+      it 'sets erase date' do
+        expect(build.erased_at).not_to be_falsy
+      end
+    end
+
+    context 'build is not erasable' do
+      let!(:build) { create(:ci_build) }
+
+      describe '#erase' do
+        subject { build.erase }
+
+        it { is_expected.to be false }
+      end
+
+      describe '#erasable?' do
+        subject { build.erasable? }
+        it { is_expected.to eq false }
+      end
+    end
+
+    context 'build is erasable' do
+      let!(:build) { create(:ci_build, :trace, :success, :artifacts) }
+
+      describe '#erase' do
+        before do
+          build.erase(erased_by: user)
+        end
+
+        context 'erased by user' do
+          let!(:user) { create(:user, username: 'eraser') }
+
+          include_examples 'erasable'
+
+          it 'records user who erased a build' do
+            expect(build.erased_by).to eq user
+          end
+        end
+
+        context 'erased by system' do
+          let(:user) { nil }
+
+          include_examples 'erasable'
+
+          it 'does not set user who erased a build' do
+            expect(build.erased_by).to be_nil
+          end
+        end
+      end
+
+      describe '#erasable?' do
+        subject { build.erasable? }
+        it { is_expected.to be_truthy }
+      end
+
+      describe '#erased?' do
+        let!(:build) { create(:ci_build, :trace, :success, :artifacts) }
+        subject { build.erased? }
+
+        context 'build has not been erased' do
+          it { is_expected.to be_falsey }
+        end
+
+        context 'build has been erased' do
+          before do
+            build.erase
+          end
+
+          it { is_expected.to be_truthy }
+        end
+      end
+
+      context 'metadata and build trace are not available' do
+        let!(:build) { create(:ci_build, :success, :artifacts) }
+
+        before do
+          build.remove_artifacts_metadata!
+        end
+
+        describe '#erase' do
+          it 'does not raise error' do
+            expect { build.erase }.not_to raise_error
+          end
+        end
+      end
+    end
+  end
+
+  describe '#extract_coverage' do
+    context 'valid content & regex' do
+      subject { build.extract_coverage('Coverage 1033 / 1051 LOC (98.29%) covered', '\(\d+.\d+\%\) covered') }
+
+      it { is_expected.to eq(98.29) }
+    end
+
+    context 'valid content & bad regex' do
+      subject { build.extract_coverage('Coverage 1033 / 1051 LOC (98.29%) covered', 'very covered') }
+
+      it { is_expected.to be_nil }
+    end
+
+    context 'no coverage content & regex' do
+      subject { build.extract_coverage('No coverage for today :sad:', '\(\d+.\d+\%\) covered') }
+
+      it { is_expected.to be_nil }
+    end
+
+    context 'multiple results in content & regex' do
+      subject { build.extract_coverage(' (98.39%) covered. (98.29%) covered', '\(\d+.\d+\%\) covered') }
+
+      it { is_expected.to eq(98.29) }
+    end
+
+    context 'using a regex capture' do
+      subject { build.extract_coverage('TOTAL      9926   3489    65%', 'TOTAL\s+\d+\s+\d+\s+(\d{1,3}\%)') }
+
+      it { is_expected.to eq(65) }
+    end
+  end
+
+  describe '#first_pending' do
+    let!(:first) { create(:ci_build, pipeline: pipeline, status: 'pending', created_at: Date.yesterday) }
+    let!(:second) { create(:ci_build, pipeline: pipeline, status: 'pending') }
+    subject { Ci::Build.first_pending }
+
+    it { is_expected.to be_a(Ci::Build) }
+    it('returns with the first pending build') { is_expected.to eq(first) }
+  end
+
+  describe '#failed_but_allowed?' do
+    subject { build.failed_but_allowed? }
+
+    context 'when build is not allowed to fail' do
+      before do
+        build.allow_failure = false
+      end
+
+      context 'and build.status is success' do
+        before do
+          build.status = 'success'
+        end
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'and build.status is failed' do
+        before do
+          build.status = 'failed'
+        end
+
+        it { is_expected.to be_falsey }
+      end
+    end
+
+    context 'when build is allowed to fail' do
+      before do
+        build.allow_failure = true
+      end
+
+      context 'and build.status is success' do
+        before do
+          build.status = 'success'
+        end
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'and build.status is failed' do
+        before do
+          build.status = 'failed'
+        end
+
+        it { is_expected.to be_truthy }
+      end
+    end
+  end
+
+  describe 'flags' do
+    describe '#cancelable?' do
+      subject { build }
+
+      context 'when build is cancelable' do
+        context 'when build is pending' do
+          it { is_expected.to be_cancelable }
+        end
+
+        context 'when build is running' do
+          before do
+            build.run!
+          end
+
+          it { is_expected.to be_cancelable }
+        end
+      end
+
+      context 'when build is not cancelable' do
+        context 'when build is successful' do
+          before do
+            build.success!
+          end
+
+          it { is_expected.not_to be_cancelable }
+        end
+
+        context 'when build is failed' do
+          before do
+            build.drop!
+          end
+
+          it { is_expected.not_to be_cancelable }
+        end
+      end
+    end
+
+    describe '#retryable?' do
+      subject { build }
+
+      context 'when build is retryable' do
+        context 'when build is successful' do
+          before do
+            build.success!
+          end
+
+          it { is_expected.to be_retryable }
+        end
+
+        context 'when build is failed' do
+          before do
+            build.drop!
+          end
+
+          it { is_expected.to be_retryable }
+        end
+
+        context 'when build is canceled' do
+          before do
+            build.cancel!
+          end
+
+          it { is_expected.to be_retryable }
+        end
+      end
+
+      context 'when build is not retryable' do
+        context 'when build is running' do
+          before do
+            build.run!
+          end
+
+          it { is_expected.not_to be_retryable }
+        end
+
+        context 'when build is skipped' do
+          before do
+            build.skip!
+          end
+
+          it { is_expected.not_to be_retryable }
+        end
+      end
+    end
+
+    describe '#manual?' do
+      before do
+        build.update(when: value)
+      end
+
+      subject { build.manual? }
+
+      context 'when is set to manual' do
+        let(:value) { 'manual' }
+
+        it { is_expected.to be_truthy }
+      end
+
+      context 'when set to something else' do
+        let(:value) { 'something else' }
+
+        it { is_expected.to be_falsey }
+      end
+    end
+  end
+
+  describe '#has_tags?' do
+    context 'when build has tags' do
+      subject { create(:ci_build, tag_list: ['tag']) }
+      it { is_expected.to have_tags }
+    end
+
+    context 'when build does not have tags' do
+      subject { create(:ci_build, tag_list: []) }
+      it { is_expected.not_to have_tags }
+    end
+  end
+
+  describe '#keep_artifacts!' do
+    let(:build) { create(:ci_build, artifacts_expire_at: Time.now + 7.days) }
+
+    it 'to reset expire_at' do
+      build.keep_artifacts!
+
+      expect(build.artifacts_expire_at).to be_nil
+    end
+  end
+
+  describe '#merge_request' do
+    def create_mr(build, pipeline, factory: :merge_request, created_at: Time.now)
+      create(factory, source_project_id: pipeline.gl_project_id,
+                      target_project_id: pipeline.gl_project_id,
+                      source_branch: build.ref,
+                      created_at: created_at)
+    end
+
+    context 'when a MR has a reference to the pipeline' do
+      before do
+        @merge_request = create_mr(build, pipeline, factory: :merge_request)
+
+        commits = [double(id: pipeline.sha)]
+        allow(@merge_request).to receive(:commits).and_return(commits)
+        allow(MergeRequest).to receive_message_chain(:includes, :where, :reorder).and_return([@merge_request])
+      end
+
+      it 'returns the single associated MR' do
+        expect(build.merge_request.id).to eq(@merge_request.id)
+      end
+    end
 
-  it { is_expected.to have_many(:deployments) }
+    context 'when there is not a MR referencing the pipeline' do
+      it 'returns nil' do
+        expect(build.merge_request).to be_nil
+      end
+    end
+
+    context 'when more than one MR have a reference to the pipeline' do
+      before do
+        @merge_request = create_mr(build, pipeline, factory: :merge_request)
+        @merge_request.close!
+        @merge_request2 = create_mr(build, pipeline, factory: :merge_request)
+
+        commits = [double(id: pipeline.sha)]
+        allow(@merge_request).to receive(:commits).and_return(commits)
+        allow(@merge_request2).to receive(:commits).and_return(commits)
+        allow(MergeRequest).to receive_message_chain(:includes, :where, :reorder).and_return([@merge_request, @merge_request2])
+      end
+
+      it 'returns the first MR' do
+        expect(build.merge_request.id).to eq(@merge_request.id)
+      end
+    end
+
+    context 'when a Build is created after the MR' do
+      before do
+        @merge_request = create_mr(build, pipeline, factory: :merge_request_with_diffs)
+        pipeline2 = create(:ci_pipeline, project: project)
+        @build2 = create(:ci_build, pipeline: pipeline2)
+
+        allow(@merge_request).to receive(:commits_sha).
+          and_return([pipeline.sha, pipeline2.sha])
+        allow(MergeRequest).to receive_message_chain(:includes, :where, :reorder).and_return([@merge_request])
+      end
+
+      it 'returns the current MR' do
+        expect(@build2.merge_request.id).to eq(@merge_request.id)
+      end
+    end
+  end
+
+  describe '#options' do
+    let(:options) do
+      {
+        image: "ruby:2.1",
+        services: [
+          "postgres"
+        ]
+      }
+    end
+
+    it 'contains options' do
+      expect(build.options).to eq(options)
+    end
+  end
+
+  describe '#other_actions' do
+    let(:build) { create(:ci_build, :manual, pipeline: pipeline) }
+    let!(:other_build) { create(:ci_build, :manual, pipeline: pipeline, name: 'other action') }
+
+    subject { build.other_actions }
+
+    it 'returns other actions' do
+      is_expected.to contain_exactly(other_build)
+    end
+
+    context 'when build is retried' do
+      let!(:new_build) { Ci::Build.retry(build) }
+
+      it 'does not return any of them' do
+        is_expected.not_to include(build, new_build)
+      end
+    end
+
+    context 'when other build is retried' do
+      let!(:retried_build) { Ci::Build.retry(other_build) }
+
+      it 'returns a retried build' do
+        is_expected.to contain_exactly(retried_build)
+      end
+    end
+  end
+
+  describe '#persisted_environment' do
+    before do
+      @environment = create(:environment, project: project, name: "foo-#{project.default_branch}")
+    end
+
+    subject { build.persisted_environment }
+
+    context 'referenced literally' do
+      let(:build) { create(:ci_build, pipeline: pipeline, environment: "foo-#{project.default_branch}") }
+
+      it { is_expected.to eq(@environment) }
+    end
+
+    context 'referenced with a variable' do
+      let(:build) { create(:ci_build, pipeline: pipeline, environment: "foo-$CI_BUILD_REF_NAME") }
+
+      it { is_expected.to eq(@environment) }
+    end
+  end
+
+  describe '#play' do
+    let(:build) { create(:ci_build, :manual, pipeline: pipeline) }
+
+    subject { build.play }
+
+    it 'enqueues a build' do
+      is_expected.to be_pending
+      is_expected.to eq(build)
+    end
+
+    context 'for successful build' do
+      before do
+        build.update(status: 'success')
+      end
+
+      it 'creates a new build' do
+        is_expected.to be_pending
+        is_expected.not_to eq(build)
+      end
+    end
+  end
+
+  describe 'project settings' do
+    describe '#timeout' do
+      it 'returns project timeout configuration' do
+        expect(build.timeout).to eq(project.build_timeout)
+      end
+    end
+
+    describe '#allow_git_fetch' do
+      it 'return project allow_git_fetch configuration' do
+        expect(build.allow_git_fetch).to eq(project.build_allow_git_fetch)
+      end
+    end
+  end
+
+  describe '#project' do
+    subject { build.project }
+
+    it { is_expected.to eq(pipeline.project) }
+  end
+
+  describe '#project_id' do
+    subject { build.project_id }
+
+    it { is_expected.to eq(pipeline.project_id) }
+  end
+
+  describe '#project_name' do
+    subject { build.project_name }
+
+    it { is_expected.to eq(project.name) }
+  end
+
+  describe '#raw_trace' do
+    subject { build.raw_trace }
+
+    context 'when build.trace hides runners token' do
+      let(:token) { 'my_secret_token' }
+
+      before do
+        build.project.update(runners_token: token)
+        build.update(trace: token)
+      end
+
+      it { is_expected.not_to include(token) }
+    end
+
+    context 'when build.trace hides build token' do
+      let(:token) { 'my_secret_token' }
+
+      before do
+        build.update(token: token)
+        build.update(trace: token)
+      end
+
+      it { is_expected.not_to include(token) }
+    end
+  end
+
+  describe '#ref_slug' do
+    {
+      'master'    => 'master',
+      '1-foo'     => '1-foo',
+      'fix/1-foo' => 'fix-1-foo',
+      'fix-1-foo' => 'fix-1-foo',
+      'a' * 63    => 'a' * 63,
+      'a' * 64    => 'a' * 63,
+      'FOO'       => 'foo',
+    }.each do |ref, slug|
+      it "transforms #{ref} to #{slug}" do
+        build.ref = ref
+
+        expect(build.ref_slug).to eq(slug)
+      end
+    end
+  end
+
+  describe '#repo_url' do
+    let(:build) { create(:ci_build) }
+    let(:project) { build.project }
+
+    subject { build.repo_url }
+
+    it { is_expected.to be_a(String) }
+    it { is_expected.to end_with(".git") }
+    it { is_expected.to start_with(project.web_url[0..6]) }
+    it { is_expected.to include(build.token) }
+    it { is_expected.to include('gitlab-ci-token') }
+    it { is_expected.to include(project.web_url[7..-1]) }
+  end
+
+  describe '#stuck?' do
+    subject { build.stuck? }
+
+    context "when commit_status.status is pending" do
+      before do
+        build.status = 'pending'
+      end
+
+      it { is_expected.to be_truthy }
+
+      context "and there are specific runner" do
+        let(:runner) { create(:ci_runner, contacted_at: 1.second.ago) }
+
+        before do
+          build.project.runners << runner
+          runner.save
+        end
+
+        it { is_expected.to be_falsey }
+      end
+    end
+
+    %w[success failed canceled running].each do |state|
+      context "when commit_status.status is #{state}" do
+        before do
+          build.status = state
+        end
+
+        it { is_expected.to be_falsey }
+      end
+    end
+  end
 
   describe '#trace' do
     it 'obfuscates project runners token' do
@@ -24,6 +972,45 @@ describe Ci::Build, models: true do
 
       expect(build.trace).to eq(test_trace)
     end
+
+    context 'when build does not have trace' do
+      it 'is is empty' do
+        expect(build.trace).to be_nil
+      end
+    end
+
+    context 'when trace contains text' do
+      let(:text) { 'example output' }
+      before do
+        build.trace = text
+      end
+
+      it { expect(build.trace).to eq(text) }
+    end
+
+    context 'when trace hides runners token' do
+      let(:token) { 'my_secret_token' }
+
+      before do
+        build.update(trace: token)
+        build.project.update(runners_token: token)
+      end
+
+      it { expect(build.trace).not_to include(token) }
+      it { expect(build.raw_trace).to include(token) }
+    end
+
+    context 'when build.trace hides build token' do
+      let(:token) { 'my_secret_token' }
+
+      before do
+        build.update(trace: token)
+        build.update(token: token)
+      end
+
+      it { expect(build.trace).not_to include(token) }
+      it { expect(build.raw_trace).to include(token) }
+    end
   end
 
   describe '#has_trace_file?' do
@@ -111,4 +1098,289 @@ describe Ci::Build, models: true do
       build.destroy
     end
   end
+
+  describe '#when' do
+    subject { build.when }
+
+    context 'when `when` is undefined' do
+      before do
+        build.when = nil
+      end
+
+      context 'use from gitlab-ci.yml' do
+        before do
+          stub_ci_pipeline_yaml_file(config)
+        end
+
+        context 'when config is not found' do
+          let(:config) { nil }
+
+          it { is_expected.to eq('on_success') }
+        end
+
+        context 'when config does not have a questioned job' do
+          let(:config) do
+            YAML.dump({
+                        test_other: {
+                          script: 'Hello World'
+                        }
+                      })
+          end
+
+          it { is_expected.to eq('on_success') }
+        end
+
+        context 'when config has `when`' do
+          let(:config) do
+            YAML.dump({
+                        test: {
+                          script: 'Hello World',
+                          when: 'always'
+                        }
+                      })
+          end
+
+          it { is_expected.to eq('always') }
+        end
+      end
+    end
+  end
+
+  describe '#variables' do
+    let(:container_registry_enabled) { false }
+    let(:predefined_variables) do
+      [
+        { key: 'CI', value: 'true', public: true },
+        { key: 'GITLAB_CI', value: 'true', public: true },
+        { key: 'CI_BUILD_ID', value: build.id.to_s, public: true },
+        { key: 'CI_BUILD_TOKEN', value: build.token, public: false },
+        { key: 'CI_BUILD_REF', value: build.sha, public: true },
+        { key: 'CI_BUILD_BEFORE_SHA', value: build.before_sha, public: true },
+        { key: 'CI_BUILD_REF_NAME', value: 'master', public: true },
+        { key: 'CI_BUILD_REF_SLUG', value: 'master', public: true },
+        { key: 'CI_BUILD_NAME', value: 'test', public: true },
+        { key: 'CI_BUILD_STAGE', value: 'test', public: true },
+        { key: 'CI_SERVER_NAME', value: 'GitLab', public: true },
+        { key: 'CI_SERVER_VERSION', value: Gitlab::VERSION, public: true },
+        { key: 'CI_SERVER_REVISION', value: Gitlab::REVISION, public: true },
+        { key: 'CI_PROJECT_ID', value: project.id.to_s, public: true },
+        { key: 'CI_PROJECT_NAME', value: project.path, public: true },
+        { key: 'CI_PROJECT_PATH', value: project.path_with_namespace, public: true },
+        { key: 'CI_PROJECT_NAMESPACE', value: project.namespace.path, public: true },
+        { key: 'CI_PROJECT_URL', value: project.web_url, public: true },
+        { key: 'CI_PIPELINE_ID', value: pipeline.id.to_s, public: true }
+      ]
+    end
+
+    before do
+      stub_container_registry_config(enabled: container_registry_enabled, host_port: 'registry.example.com')
+    end
+
+    subject { build.variables }
+
+    context 'returns variables' do
+      before do
+        build.yaml_variables = []
+      end
+
+      it { is_expected.to eq(predefined_variables) }
+    end
+
+    context 'when build has user' do
+      let(:user) { create(:user, username: 'starter') }
+      let(:user_variables) do
+        [
+          { key: 'GITLAB_USER_ID',    value: user.id.to_s, public: true },
+          { key: 'GITLAB_USER_EMAIL', value: user.email,   public: true }
+        ]
+      end
+
+      before do
+        build.update_attributes(user: user)
+      end
+
+      it { user_variables.each { |v| is_expected.to include(v) } }
+    end
+
+    context 'when build has an environment' do
+      before do
+        build.update(environment: 'production')
+        create(:environment, project: build.project, name: 'production', slug: 'prod-slug')
+      end
+
+      let(:environment_variables) do
+        [
+          { key: 'CI_ENVIRONMENT_NAME', value: 'production', public: true },
+          { key: 'CI_ENVIRONMENT_SLUG', value: 'prod-slug',  public: true }
+        ]
+      end
+
+      it { environment_variables.each { |v| is_expected.to include(v) } }
+    end
+
+    context 'when build started manually' do
+      before do
+        build.update_attributes(when: :manual)
+      end
+
+      let(:manual_variable) do
+        { key: 'CI_BUILD_MANUAL', value: 'true', public: true }
+      end
+
+      it { is_expected.to include(manual_variable) }
+    end
+
+    context 'when build is for tag' do
+      let(:tag_variable) do
+        { key: 'CI_BUILD_TAG', value: 'master', public: true }
+      end
+
+      before do
+        build.update_attributes(tag: true)
+      end
+
+      it { is_expected.to include(tag_variable) }
+    end
+
+    context 'when secure variable is defined' do
+      let(:secure_variable) do
+        { key: 'SECRET_KEY', value: 'secret_value', public: false }
+      end
+
+      before do
+        build.project.variables << Ci::Variable.new(key: 'SECRET_KEY', value: 'secret_value')
+      end
+
+      it { is_expected.to include(secure_variable) }
+    end
+
+    context 'when build is for triggers' do
+      let(:trigger) { create(:ci_trigger, project: project) }
+      let(:trigger_request) { create(:ci_trigger_request_with_variables, pipeline: pipeline, trigger: trigger) }
+      let(:user_trigger_variable) do
+        { key: :TRIGGER_KEY_1, value: 'TRIGGER_VALUE_1', public: false }
+      end
+      let(:predefined_trigger_variable) do
+        { key: 'CI_BUILD_TRIGGERED', value: 'true', public: true }
+      end
+
+      before do
+        build.trigger_request = trigger_request
+      end
+
+      it { is_expected.to include(user_trigger_variable) }
+      it { is_expected.to include(predefined_trigger_variable) }
+    end
+
+    context 'when yaml_variables are undefined' do
+      before do
+        build.yaml_variables = nil
+      end
+
+      context 'use from gitlab-ci.yml' do
+        before do
+          stub_ci_pipeline_yaml_file(config)
+        end
+
+        context 'when config is not found' do
+          let(:config) { nil }
+
+          it { is_expected.to eq(predefined_variables) }
+        end
+
+        context 'when config does not have a questioned job' do
+          let(:config) do
+            YAML.dump({
+              test_other: {
+                script: 'Hello World'
+              }
+            })
+          end
+
+          it { is_expected.to eq(predefined_variables) }
+        end
+
+        context 'when config has variables' do
+          let(:config) do
+            YAML.dump({
+              test: {
+                script: 'Hello World',
+                variables: {
+                  KEY: 'value'
+                }
+              }
+            })
+          end
+          let(:variables) do
+            [{ key: 'KEY', value: 'value', public: true }]
+          end
+
+          it { is_expected.to eq(predefined_variables + variables) }
+        end
+      end
+    end
+
+    context 'when container registry is enabled' do
+      let(:container_registry_enabled) { true }
+      let(:ci_registry) do
+        { key: 'CI_REGISTRY',  value: 'registry.example.com',  public: true }
+      end
+      let(:ci_registry_image) do
+        { key: 'CI_REGISTRY_IMAGE',  value: project.container_registry_repository_url, public: true }
+      end
+
+      context 'and is disabled for project' do
+        before do
+          project.update(container_registry_enabled: false)
+        end
+
+        it { is_expected.to include(ci_registry) }
+        it { is_expected.not_to include(ci_registry_image) }
+      end
+
+      context 'and is enabled for project' do
+        before do
+          project.update(container_registry_enabled: true)
+        end
+
+        it { is_expected.to include(ci_registry) }
+        it { is_expected.to include(ci_registry_image) }
+      end
+    end
+
+    context 'when runner is assigned to build' do
+      let(:runner) { create(:ci_runner, description: 'description', tag_list: ['docker', 'linux']) }
+
+      before do
+        build.update(runner: runner)
+      end
+
+      it { is_expected.to include({ key: 'CI_RUNNER_ID', value: runner.id.to_s, public: true }) }
+      it { is_expected.to include({ key: 'CI_RUNNER_DESCRIPTION', value: 'description', public: true }) }
+      it { is_expected.to include({ key: 'CI_RUNNER_TAGS', value: 'docker, linux', public: true }) }
+    end
+
+    context 'when build is for a deployment' do
+      let(:deployment_variable) { { key: 'KUBERNETES_TOKEN', value: 'TOKEN', public: false } }
+
+      before do
+        build.environment = 'production'
+        allow(project).to receive(:deployment_variables).and_return([deployment_variable])
+      end
+
+      it { is_expected.to include(deployment_variable) }
+    end
+
+    context 'returns variables in valid order' do
+      before do
+        allow(build).to receive(:predefined_variables) { ['predefined'] }
+        allow(project).to receive(:predefined_variables) { ['project'] }
+        allow(pipeline).to receive(:predefined_variables) { ['pipeline'] }
+        allow(build).to receive(:yaml_variables) { ['yaml'] }
+        allow(project).to receive(:secret_variables) { ['secret'] }
+      end
+
+      it { is_expected.to eq(%w[predefined project pipeline yaml secret]) }
+    end
+  end
 end

spec/models/commit_status_spec.rb

@@ -243,4 +243,23 @@ describe CommitStatus, models: true do
         .to be_a Gitlab::Ci::Status::Success
     end
   end
+
+  describe '#sortable_name' do
+    tests = {
+      'karma' => ['karma'],
+      'karma 0 20' => ['karma ', 0, ' ', 20],
+      'karma 10 20' => ['karma ', 10, ' ', 20],
+      'karma 50:100' => ['karma ', 50, ':', 100],
+      'karma 1.10' => ['karma ', 1, '.', 10],
+      'karma 1.5.1' => ['karma ', 1, '.', 5, '.', 1],
+      'karma 1 a' => ['karma ', 1, ' a']
+    }
+
+    tests.each do |name, sortable_name|
+      it "'#{name}' sorts as '#{sortable_name}'" do
+        commit_status.name = name
+        expect(commit_status.sortable_name).to eq(sortable_name)
+      end
+    end
+  end
 end

spec/serializers/commit_entity_spec.rb

@@ -33,10 +33,12 @@ describe CommitEntity do
 
   it 'contains path to commit' do
     expect(subject).to include(:commit_path)
+    expect(subject[:commit_path]).to include "commit/#{commit.id}"
   end
 
   it 'contains URL to commit' do
     expect(subject).to include(:commit_url)
+    expect(subject[:commit_path]).to include "commit/#{commit.id}"
   end
 
   it 'needs to receive project in the request' do