Remove implicit dependency on `gitlab_sign_in` assigning `@user`

We shouldn't be using instance variables in specs to begin with, and
depending on this implicit behavior of `gitlab_sign_in` would have made
it more difficult to change to `sign_in` where possible.

...we've also gone ahead and changed to `sign_in` where possible.

spec/features/commits_spec.rb

@@ -4,10 +4,11 @@ describe 'Commits' do
   include CiStatusHelper
 
   let(:project) { create(:project, :repository) }
+  let(:user) { create(:user) }
 
   describe 'CI' do
     before do
-      gitlab_sign_in :user
+      sign_in(user)
       stub_ci_pipeline_to_return_yaml_file
     end
 
@@ -27,7 +28,7 @@ describe 'Commits' do
       let!(:status) { create(:generic_commit_status, pipeline: pipeline) }
 
       before do
-        project.team << [@user, :reporter]
+        project.team << [user, :reporter]
       end
 
       describe 'Commit builds' do
@@ -52,7 +53,7 @@ describe 'Commits' do
 
       context 'when logged as developer' do
         before do
-          project.team << [@user, :developer]
+          project.team << [user, :developer]
         end
 
         describe 'Project commits' do
@@ -146,7 +147,7 @@ describe 'Commits' do
 
       context "when logged as reporter" do
         before do
-          project.team << [@user, :reporter]
+          project.team << [user, :reporter]
           build.update_attributes(artifacts_file: artifacts_file)
           visit ci_status_path(pipeline)
         end
@@ -187,11 +188,10 @@ describe 'Commits' do
 
   context 'viewing commits for a branch' do
     let(:branch_name) { 'master' }
-    let(:user) { create(:user) }
 
     before do
       project.team << [user, :master]
-      gitlab_sign_in(user)
+      sign_in(user)
       visit namespace_project_commits_path(project.namespace, project, branch_name)
     end
 

spec/features/gitlab_flavored_markdown_spec.rb

 require 'spec_helper'
 
 describe "GitLab Flavored Markdown", feature: true do
+  let(:user) { create(:user) }
   let(:project) { create(:empty_project) }
   let(:issue) { create(:issue, project: project) }
   let(:fred) do
@@ -10,8 +11,8 @@ describe "GitLab Flavored Markdown", feature: true do
   end
 
   before do
-    gitlab_sign_in(:user)
-    project.add_developer(@user)
+    sign_in(user)
+    project.add_developer(user)
   end
 
   describe "for commits" do
@@ -51,12 +52,12 @@ describe "GitLab Flavored Markdown", feature: true do
   describe "for issues", feature: true, js: true do
     before do
       @other_issue = create(:issue,
-                            author: @user,
-                            assignees: [@user],
+                            author: user,
+                            assignees: [user],
                             project: project)
       @issue = create(:issue,
-                      author: @user,
-                      assignees: [@user],
+                      author: user,
+                      assignees: [user],
                       project: project,
                       title: "fix #{@other_issue.to_reference}",
                       description: "ask #{fred.to_reference} for details")

spec/features/projects/branches_spec.rb

 require 'spec_helper'
 
 describe 'Branches', feature: true do
+  let(:user) { create(:user) }
   let(:project) { create(:project, :public) }
   let(:repository) { project.repository }
 
@@ -12,8 +13,8 @@ describe 'Branches', feature: true do
 
   context 'logged in as developer' do
     before do
-      gitlab_sign_in :user
-      project.team << [@user, :developer]
+      sign_in(user)
+      project.team << [user, :developer]
     end
 
     describe 'Initial branches page' do
@@ -27,7 +28,7 @@ describe 'Branches', feature: true do
       it 'avoids a N+1 query in branches index' do
         control_count = ActiveRecord::QueryRecorder.new { visit namespace_project_branches_path(project.namespace, project) }.count
 
-        %w(one two three four five).each { |ref| repository.add_branch(@user, ref, 'master') }
+        %w(one two three four five).each { |ref| repository.add_branch(user, ref, 'master') }
 
         expect { visit namespace_project_branches_path(project.namespace, project) }.not_to exceed_query_limit(control_count)
       end
@@ -64,14 +65,14 @@ describe 'Branches', feature: true do
 
     describe 'Delete protected branch' do
       before do
-        project.add_user(@user, :master)
+        project.add_user(user, :master)
         visit namespace_project_protected_branches_path(project.namespace, project)
         set_protected_branch_name('fix')
         click_on "Protect"
 
         within(".protected-branches-list") { expect(page).to have_content('fix') }
         expect(ProtectedBranch.count).to eq(1)
-        project.add_user(@user, :developer)
+        project.add_user(user, :developer)
       end
 
       it 'does not allow devleoper to removes protected branch', js: true do
@@ -87,8 +88,8 @@ describe 'Branches', feature: true do
 
   context 'logged in as master' do
     before do
-      gitlab_sign_in :user
-      project.team << [@user, :master]
+      sign_in(user)
+      project.team << [user, :master]
     end
 
     describe 'Delete protected branch' do

spec/features/projects/commit/cherry_pick_spec.rb

 require 'spec_helper'
 
 describe 'Cherry-pick Commits' do
+  let(:user) { create(:user) }
   let(:group) { create(:group) }
   let(:project) { create(:project, namespace: group) }
   let(:master_pickable_commit)  { project.commit('7d3b0f7cff5f37573aea97cebfd5692ea1689924') }
   let(:master_pickable_merge)  { project.commit('e56497bb5f03a90a51293fc6d516788730953899') }
 
   before do
-    gitlab_sign_in :user
-    project.team << [@user, :master]
+    sign_in(user)
+    project.team << [user, :master]
     visit namespace_project_commit_path(project.namespace, project, master_pickable_commit.id)
   end
 

spec/features/triggers_spec.rb

@@ -7,7 +7,7 @@ feature 'Triggers', feature: true, js: true do
   let(:guest_user) { create(:user) }
 
   before do
-    gitlab_sign_in(user)
+    sign_in(user)
 
     @project = create(:empty_project)
     @project.team << [user, :master]
@@ -33,7 +33,7 @@ feature 'Triggers', feature: true, js: true do
       # See if "trigger creation successful" message displayed and description and owner are correct
       expect(page.find('.flash-notice')).to have_content 'Trigger was created successfully.'
       expect(page.find('.triggers-list')).to have_content 'trigger desc'
-      expect(page.find('.triggers-list .trigger-owner')).to have_content @user.name
+      expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
     end
   end
 
@@ -61,7 +61,7 @@ feature 'Triggers', feature: true, js: true do
       # See if "trigger updated successfully" message displayed and description and owner are correct
       expect(page.find('.flash-notice')).to have_content 'Trigger was successfully updated.'
       expect(page.find('.triggers-list')).to have_content new_trigger_title
-      expect(page.find('.triggers-list .trigger-owner')).to have_content @user.name
+      expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
     end
 
     scenario 'edit "legacy" trigger and save' do
@@ -98,7 +98,7 @@ feature 'Triggers', feature: true, js: true do
       page.accept_confirm do
         expect(page.find('.flash-notice')).to have_content 'Trigger was re-assigned.'
         expect(page.find('.triggers-list')).to have_content trigger_title
-        expect(page.find('.triggers-list .trigger-owner')).to have_content @user.name
+        expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
       end
     end
   end
@@ -157,7 +157,7 @@ feature 'Triggers', feature: true, js: true do
       expect(page.find('.triggers-list')).not_to have_selector('button.btn-clipboard')
 
       # See if trigger owner name doesn't match with current_user and trigger is non-editable
-      expect(page.find('.triggers-list .trigger-owner')).not_to have_content @user.name
+      expect(page.find('.triggers-list .trigger-owner')).not_to have_content user.name
       expect(page.find('.triggers-list')).not_to have_selector('a[title="Edit"]')
     end
 
@@ -170,7 +170,7 @@ feature 'Triggers', feature: true, js: true do
       expect(page.find('.triggers-list')).to have_selector('button.btn-clipboard')
 
       # See if trigger owner name matches with current_user and is editable
-      expect(page.find('.triggers-list .trigger-owner')).to have_content @user.name
+      expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
       expect(page.find('.triggers-list')).to have_selector('a[title="Edit"]')
     end
   end