Move task helpers to a module

Signed-off-by: Rémy Coutable <remy@rymai.me>

doc/install/installation.md

@@ -397,24 +397,24 @@ GitLab Shell is an SSH access and repository management software developed speci
 ### Install gitlab-workhorse
 
 GitLab-Workhorse uses [GNU Make](https://www.gnu.org/software/make/). The
-following command-line will install GitLab-Workhorse in `home/git/gitlab-workhorse`
+following command-line will install GitLab-Workhorse in `/home/git/gitlab-workhorse`
 which is the recommended location.
 
     cd /home/git/gitlab
 
-    sudo -u git -H bundle exec rake gitlab:workhorse:install[/home/git/gitlab-workhorse] RAILS_ENV=production
+    sudo -u git -H bundle exec rake "gitlab:workhorse:install[/home/git/gitlab-workhorse]" RAILS_ENV=production
 
 You can specify a different Git repository by providing `GITLAB_WORKHORSE_REPO`:
 
     cd /home/git/gitlab
 
-    sudo -u git -H bundle exec rake gitlab:workhorse:install[/home/git/gitlab-workhorse] GITLAB_WORKHORSE_REPO=https://example.com/gitlab-workhorse.git RAILS_ENV=production
+    sudo -u git -H bundle exec rake "gitlab:workhorse:install[/home/git/gitlab-workhorse]" GITLAB_WORKHORSE_REPO=https://example.com/gitlab-workhorse.git RAILS_ENV=production
 
 You can specify a different version to use by providing `GITLAB_WORKHORSE_VERSION`:
 
     cd /home/git/gitlab
 
-    sudo -u git -H bundle exec rake gitlab:workhorse:install[/home/git/gitlab-workhorse] GITLAB_WORKHORSE_VERSION=0.8.1 RAILS_ENV=production
+    sudo -u git -H bundle exec rake "gitlab:workhorse:install[/home/git/gitlab-workhorse]" GITLAB_WORKHORSE_VERSION=0.8.1 RAILS_ENV=production
 
 ### Initialize Database and Activate Advanced Features
 

doc/update/8.14-to-8.15.md

@@ -82,7 +82,7 @@ Install and compile gitlab-workhorse. This requires
 GitLab 8.1.
 
 ```bash
-sudo -u git -H bundle exec rake gitlab:workhorse:install[/home/git/gitlab-workhorse] RAILS_ENV=production
+sudo -u git -H bundle exec rake "gitlab:workhorse:install[/home/git/gitlab-workhorse]" RAILS_ENV=production
 ```
 
 ### 7. Install libs, migrations, etc.

lib/tasks/gitlab/helpers.rake

+require 'tasks/gitlab/task_helpers'
+
+# Prevent StateMachine warnings from outputting during a cron task
+StateMachines::Machine.ignore_method_conflicts = true if ENV['CRON']
+
+namespace :gitlab do
+  include Gitlab::TaskHelpers
+end

lib/tasks/gitlab/task_helpers.rake

-module Gitlab
-  class TaskFailedError < StandardError; end
-  class TaskAbortedByUserError < StandardError; end
-end
-
-require 'rainbow/ext/string'
-
-# Prevent StateMachine warnings from outputting during a cron task
-StateMachines::Machine.ignore_method_conflicts = true if ENV['CRON']
-
-namespace :gitlab do
-
-  # Ask if the user wants to continue
-  #
-  # Returns "yes" the user chose to continue
-  # Raises Gitlab::TaskAbortedByUserError if the user chose *not* to continue
-  def ask_to_continue
-    answer = prompt("Do you want to continue (yes/no)? ".color(:blue), %w{yes no})
-    raise Gitlab::TaskAbortedByUserError unless answer == "yes"
-  end
-
-  # Check which OS is running
-  #
-  # It will primarily use lsb_relase to determine the OS.
-  # It has fallbacks to Debian, SuSE, OS X and systems running systemd.
-  def os_name
-    os_name = run_command(%W(lsb_release -irs))
-    os_name ||= if File.readable?('/etc/system-release')
-                  File.read('/etc/system-release')
-                end
-    os_name ||= if File.readable?('/etc/debian_version')
-                  debian_version = File.read('/etc/debian_version')
-                  "Debian #{debian_version}"
-                end
-    os_name ||= if File.readable?('/etc/SuSE-release')
-                  File.read('/etc/SuSE-release')
-                end
-    os_name ||= if os_x_version = run_command(%W(sw_vers -productVersion))
-                  "Mac OS X #{os_x_version}"
-                end
-    os_name ||= if File.readable?('/etc/os-release')
-                  File.read('/etc/os-release').match(/PRETTY_NAME=\"(.+)\"/)[1]
-                end
-    os_name.try(:squish!)
-  end
-
-  # Prompt the user to input something
-  #
-  # message - the message to display before input
-  # choices - array of strings of acceptable answers or nil for any answer
-  #
-  # Returns the user's answer
-  def prompt(message, choices = nil)
-    begin
-      print(message)
-      answer = STDIN.gets.chomp
-    end while choices.present? && !choices.include?(answer)
-    answer
-  end
-
-  # Runs the given command and matches the output against the given pattern
-  #
-  # Returns nil if nothing matched
-  # Returns the MatchData if the pattern matched
-  #
-  # see also #run_command
-  # see also String#match
-  def run_and_match(command, regexp)
-    run_command(command).try(:match, regexp)
-  end
-
-  # Runs the given command
-  #
-  # Returns '' if the command was not found
-  # Returns the output of the command otherwise
-  #
-  # see also #run_and_match
-  def run_command(command)
-    output, _ = Gitlab::Popen.popen(command)
-    output
-  rescue Errno::ENOENT
-    '' # if the command does not exist, return an empty string
-  end
-
-  # Runs the given command and raise a Gitlab::TaskFailedError exception if
-  # the command does not exit with 0
-  #
-  # Returns the output of the command otherwise
-  def run_command!(command)
-    output, status = Gitlab::Popen.popen(command)
-
-    raise Gitlab::TaskFailedError unless status.zero?
-
-    output
-  end
-
-  def uid_for(user_name)
-    run_command(%W(id -u #{user_name})).chomp.to_i
-  end
-
-  def gid_for(group_name)
-    begin
-      Etc.getgrnam(group_name).gid
-    rescue ArgumentError # no group
-      "group #{group_name} doesn't exist"
-    end
-  end
-
-  def warn_user_is_not_gitlab
-    unless @warned_user_not_gitlab
-      gitlab_user = Gitlab.config.gitlab.user
-      current_user = run_command(%W(whoami)).chomp
-      unless current_user == gitlab_user
-        puts " Warning ".color(:black).background(:yellow)
-        puts "  You are running as user #{current_user.color(:magenta)}, we hope you know what you are doing."
-        puts "  Things may work\/fail for the wrong reasons."
-        puts "  For correct results you should run this as user #{gitlab_user.color(:magenta)}."
-        puts ""
-      end
-      @warned_user_not_gitlab = true
-    end
-  end
-
-  # Tries to configure git itself
-  #
-  # Returns true if all subcommands were successfull (according to their exit code)
-  # Returns false if any or all subcommands failed.
-  def auto_fix_git_config(options)
-    if !@warned_user_not_gitlab
-      command_success = options.map do |name, value|
-        system(*%W(#{Gitlab.config.git.bin_path} config --global #{name} #{value}))
-      end
-
-      command_success.all?
-    else
-      false
-    end
-  end
-
-  def all_repos
-    Gitlab.config.repositories.storages.each do |name, path|
-      IO.popen(%W(find #{path} -mindepth 2 -maxdepth 2 -type d -name *.git)) do |find|
-        find.each_line do |path|
-          yield path.chomp
-        end
-      end
-    end
-  end
-
-  def repository_storage_paths_args
-    Gitlab.config.repositories.storages.values
-  end
-
-  def user_home
-    Rails.env.test? ? Rails.root.join('tmp/tests') : Gitlab.config.gitlab.user_home
-  end
-
-  def checkout_or_clone_tag(tag:, repo:, target_dir:)
-    if Dir.exist?(target_dir)
-      Dir.chdir(target_dir) do
-        run_command!(%W[#{Gitlab.config.git.bin_path} fetch --tags --quiet])
-        run_command!(%W[#{Gitlab.config.git.bin_path} checkout --quiet #{tag}])
-      end
-    else
-      run_command!(%W[#{Gitlab.config.git.bin_path} clone -- #{repo} #{target_dir}])
-    end
-
-    # Make sure we're on the right tag
-    Dir.chdir(target_dir) do
-      # First try to checkout without fetching
-      # to avoid stalling tests if the Internet is down.
-      reset_to_tag(tag)
-    end
-  end
-
-  def reset_to_tag(tag_wanted)
-    tag =
-      begin
-        run_command!(%W[#{Gitlab.config.git.bin_path} describe -- #{tag_wanted}])
-      rescue Gitlab::TaskFailedError
-        run_command!(%W[#{Gitlab.config.git.bin_path} fetch origin])
-        run_command!(%W[#{Gitlab.config.git.bin_path} describe -- origin/#{tag_wanted}])
-      end
-
-    if tag
-      run_command!(%W[#{Gitlab.config.git.bin_path} reset --hard #{tag.strip}])
-    else
-      raise Gitlab::TaskFailedError
-    end
-  end
-end

lib/tasks/gitlab/task_helpers.rb

+require 'rainbow/ext/string'
+
+module Gitlab
+  TaskFailedError = Class.new(StandardError)
+  TaskAbortedByUserError = Class.new(StandardError)
+
+  module TaskHelpers
+    # Ask if the user wants to continue
+    #
+    # Returns "yes" the user chose to continue
+    # Raises Gitlab::TaskAbortedByUserError if the user chose *not* to continue
+    def ask_to_continue
+      answer = prompt("Do you want to continue (yes/no)? ".color(:blue), %w{yes no})
+      raise Gitlab::TaskAbortedByUserError unless answer == "yes"
+    end
+
+    # Check which OS is running
+    #
+    # It will primarily use lsb_relase to determine the OS.
+    # It has fallbacks to Debian, SuSE, OS X and systems running systemd.
+    def os_name
+      os_name = run_command(%W(lsb_release -irs))
+      os_name ||= if File.readable?('/etc/system-release')
+        File.read('/etc/system-release')
+      end
+      os_name ||= if File.readable?('/etc/debian_version')
+        debian_version = File.read('/etc/debian_version')
+        "Debian #{debian_version}"
+      end
+      os_name ||= if File.readable?('/etc/SuSE-release')
+        File.read('/etc/SuSE-release')
+      end
+      os_name ||= if os_x_version = run_command(%W(sw_vers -productVersion))
+        "Mac OS X #{os_x_version}"
+      end
+      os_name ||= if File.readable?('/etc/os-release')
+        File.read('/etc/os-release').match(/PRETTY_NAME=\"(.+)\"/)[1]
+      end
+      os_name.try(:squish!)
+    end
+
+    # Prompt the user to input something
+    #
+    # message - the message to display before input
+    # choices - array of strings of acceptable answers or nil for any answer
+    #
+    # Returns the user's answer
+    def prompt(message, choices = nil)
+      begin
+        print(message)
+        answer = STDIN.gets.chomp
+      end while choices.present? && !choices.include?(answer)
+      answer
+    end
+
+    # Runs the given command and matches the output against the given pattern
+    #
+    # Returns nil if nothing matched
+    # Returns the MatchData if the pattern matched
+    #
+    # see also #run_command
+    # see also String#match
+    def run_and_match(command, regexp)
+      run_command(command).try(:match, regexp)
+    end
+
+    # Runs the given command
+    #
+    # Returns '' if the command was not found
+    # Returns the output of the command otherwise
+    #
+    # see also #run_and_match
+    def run_command(command)
+      output, _ = Gitlab::Popen.popen(command)
+      output
+    rescue Errno::ENOENT
+      '' # if the command does not exist, return an empty string
+    end
+
+    # Runs the given command and raises a Gitlab::TaskFailedError exception if
+    # the command does not exit with 0
+    #
+    # Returns the output of the command otherwise
+    def run_command!(command)
+      output, status = Gitlab::Popen.popen(command)
+
+      raise Gitlab::TaskFailedError unless status.zero?
+
+      output
+    end
+
+    def uid_for(user_name)
+      run_command(%W(id -u #{user_name})).chomp.to_i
+    end
+
+    def gid_for(group_name)
+      begin
+        Etc.getgrnam(group_name).gid
+      rescue ArgumentError # no group
+        "group #{group_name} doesn't exist"
+      end
+    end
+
+    def warn_user_is_not_gitlab
+      unless @warned_user_not_gitlab
+        gitlab_user = Gitlab.config.gitlab.user
+        current_user = run_command(%W(whoami)).chomp
+        unless current_user == gitlab_user
+          puts " Warning ".color(:black).background(:yellow)
+          puts "  You are running as user #{current_user.color(:magenta)}, we hope you know what you are doing."
+          puts "  Things may work\/fail for the wrong reasons."
+          puts "  For correct results you should run this as user #{gitlab_user.color(:magenta)}."
+          puts ""
+        end
+        @warned_user_not_gitlab = true
+      end
+    end
+
+    # Tries to configure git itself
+    #
+    # Returns true if all subcommands were successfull (according to their exit code)
+    # Returns false if any or all subcommands failed.
+    def auto_fix_git_config(options)
+      if !@warned_user_not_gitlab
+        command_success = options.map do |name, value|
+          system(*%W(#{Gitlab.config.git.bin_path} config --global #{name} #{value}))
+        end
+
+        command_success.all?
+      else
+        false
+      end
+    end
+
+    def all_repos
+      Gitlab.config.repositories.storages.each do |name, path|
+        IO.popen(%W(find #{path} -mindepth 2 -maxdepth 2 -type d -name *.git)) do |find|
+          find.each_line do |path|
+            yield path.chomp
+          end
+        end
+      end
+    end
+
+    def repository_storage_paths_args
+      Gitlab.config.repositories.storages.values
+    end
+
+    def user_home
+      Rails.env.test? ? Rails.root.join('tmp/tests') : Gitlab.config.gitlab.user_home
+    end
+
+    def checkout_or_clone_tag(tag:, repo:, target_dir:)
+      if Dir.exist?(target_dir)
+        checkout_tag(tag, target_dir)
+      else
+        clone_repo(repo, target_dir)
+      end
+
+      reset_to_tag(tag, target_dir)
+    end
+
+    def clone_repo(repo, target_dir)
+      run_command!(%W[#{Gitlab.config.git.bin_path} clone -- #{repo} #{target_dir}])
+    end
+
+    def checkout_tag(tag, target_dir)
+      run_command!(%W[#{Gitlab.config.git.bin_path} -C #{target_dir} fetch --tags --quiet])
+      run_command!(%W[#{Gitlab.config.git.bin_path} -C #{target_dir} checkout --quiet #{tag}])
+    end
+
+    def reset_to_tag(tag_wanted, target_dir)
+      tag =
+      begin
+        # First try to checkout without fetching
+        # to avoid stalling tests if the Internet is down.
+        run_command!(%W[#{Gitlab.config.git.bin_path} -C #{target_dir} describe -- #{tag_wanted}])
+      rescue Gitlab::TaskFailedError
+        run_command!(%W[#{Gitlab.config.git.bin_path} -C #{target_dir} fetch origin])
+        run_command!(%W[#{Gitlab.config.git.bin_path} -C #{target_dir} describe -- origin/#{tag_wanted}])
+      end
+
+      if tag
+        run_command!(%W[#{Gitlab.config.git.bin_path} -C #{target_dir} reset --hard #{tag.strip}])
+      else
+        raise Gitlab::TaskFailedError
+      end
+    end
+  end
+end

lib/tasks/gitlab/workhorse.rake

@@ -4,7 +4,7 @@ namespace :gitlab do
     task :install, [:dir] => :environment do |t, args|
       warn_user_is_not_gitlab
       unless args.dir.present?
-        abort "Please specify the directory where you want to install gitlab-workhorse:\n  rake gitlab:workhorse:install[/home/git/gitlab-workhorse]"
+        abort %(Please specify the directory where you want to install gitlab-workhorse:\n  rake "gitlab:workhorse:install[/home/git/gitlab-workhorse]")
       end
 
       tag = "v#{ENV['GITLAB_WORKHORSE_VERSION'] || Gitlab::Workhorse.version}"

spec/rake_helper.rb

@@ -8,7 +8,7 @@ RSpec.configure do |config|
   config.before(:all) do
     $stdout = StringIO.new
 
-    Rake.application.rake_require 'tasks/gitlab/task_helpers'
+    Rake.application.rake_require 'tasks/gitlab/helpers'
     Rake::Task.define_task :environment
   end
 

spec/support/rake_helpers.rb

 module RakeHelpers
-  def run_rake_task(task_name)
+  def run_rake_task(task_name, *args)
     Rake::Task[task_name].reenable
-    Rake.application.invoke_task task_name
+    Rake.application.invoke_task("#{task_name}[#{args.join(',')}]")
   end
 
   def stub_warn_user_is_not_gitlab

spec/support/stub_configuration.rb

@@ -17,10 +17,6 @@ module StubConfiguration
     allow(Gitlab.config.gravatar).to receive_messages(messages)
   end
 
-  def stub_gitlab_workhorse_setting(messages)
-    allow(Gitlab.config.gitlab_workhorse).to receive_messages(messages)
-  end
-
   def stub_incoming_email_setting(messages)
     allow(Gitlab.config.incoming_email).to receive_messages(messages)
   end

spec/tasks/gitlab/backup_rake_spec.rb

@@ -5,7 +5,7 @@ describe 'gitlab:app namespace rake task' do
   let(:enable_registry) { true }
 
   before :all do
-    Rake.application.rake_require 'tasks/gitlab/task_helpers'
+    Rake.application.rake_require 'tasks/gitlab/helpers'
     Rake.application.rake_require 'tasks/gitlab/backup'
     Rake.application.rake_require 'tasks/gitlab/shell'
     Rake.application.rake_require 'tasks/gitlab/db'

spec/tasks/gitlab/mail_google_schema_whitelisting.rb

@@ -3,7 +3,7 @@ require 'rake'
 
 describe 'gitlab:mail_google_schema_whitelisting rake task' do
   before :all do
-    Rake.application.rake_require "tasks/gitlab/task_helpers"
+    Rake.application.rake_require "tasks/gitlab/helpers"
     Rake.application.rake_require "tasks/gitlab/mail_google_schema_whitelisting"
     # empty task as env is already loaded
     Rake::Task.define_task :environment

spec/tasks/gitlab/task_helpers_spec.rb

 require 'spec_helper'
-require 'rake'
+require 'tasks/gitlab/task_helpers'
 
-describe 'gitlab:workhorse namespace rake task' do
-  before :all do
-    Rake.application.rake_require 'tasks/gitlab/task_helpers'
+class TestHelpersTest
+  include Gitlab::TaskHelpers
+end
 
-    # empty task as env is already loaded
-    Rake::Task.define_task :environment
-  end
+describe Gitlab::TaskHelpers do
+  subject { TestHelpersTest.new }
+
+  let(:repo) { 'https://gitlab.com/gitlab-org/gitlab-test.git' }
+  let(:clone_path) { Rails.root.join('tmp/tests/task_helpers_tests').to_s }
+  let(:tag) { 'v1.1.0' }
 
   describe '#checkout_or_clone_tag' do
-    let(:repo) { 'https://gitlab.com/gitlab-org/gitlab-test.git' }
-    let(:clone_path) { Rails.root.join('tmp/tests/task_helpers_tests').to_s }
-    let(:tag) { 'v1.1.0' }
     before do
-      FileUtils.rm_rf(clone_path)
-      allow_any_instance_of(Object).to receive(:run_command!)
-      expect_any_instance_of(Object).to receive(:reset_to_tag).with(tag)
-    end
-
-    after do
-      FileUtils.rm_rf(clone_path)
+      allow(subject).to receive(:run_command!)
+      expect(subject).to receive(:reset_to_tag).with(tag, clone_path)
     end
 
     context 'target_dir does not exist' do
       it 'clones the repo, retrieve the tag from origin, and checkout the tag' do
-        expect(Dir).to receive(:chdir).and_call_original
-        expect_any_instance_of(Object).
-          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} clone -- #{repo} #{clone_path}]) { FileUtils.mkdir_p(clone_path) } # Fake the cloning
+        expect(subject).to receive(:clone_repo).with(repo, clone_path)
 
-        checkout_or_clone_tag(tag: tag, repo: repo, target_dir: clone_path)
+        subject.checkout_or_clone_tag(tag: tag, repo: repo, target_dir: clone_path)
       end
     end
 
     context 'target_dir exists' do
       before do
-        FileUtils.mkdir_p(clone_path)
+        expect(Dir).to receive(:exist?).and_return(true)
       end
 
       it 'fetch and checkout the tag' do
-        expect(Dir).to receive(:chdir).twice.and_call_original
-        expect_any_instance_of(Object).
-          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} fetch --tags --quiet])
-        expect_any_instance_of(Object).
-          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} checkout --quiet #{tag}])
+        expect(subject).to receive(:checkout_tag).with(tag, clone_path)
 
-        checkout_or_clone_tag(tag: tag, repo: repo, target_dir: clone_path)
+        subject.checkout_or_clone_tag(tag: tag, repo: repo, target_dir: clone_path)
       end
     end
   end
 
+  describe '#clone_repo' do
+    it 'clones the repo in the target dir' do
+      expect(subject).
+        to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} clone -- #{repo} #{clone_path}])
+
+      subject.clone_repo(repo, clone_path)
+    end
+  end
+
+  describe '#checkout_tag' do
+    it 'clones the repo in the target dir' do
+      expect(subject).
+        to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} -C #{clone_path} fetch --tags --quiet])
+      expect(subject).
+        to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} -C #{clone_path} checkout --quiet #{tag}])
+
+      subject.checkout_tag(tag, clone_path)
+    end
+  end
+
   describe '#reset_to_tag' do
     let(:tag) { 'v1.1.0' }
     before do
-      expect_any_instance_of(Object).
-        to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} reset --hard #{tag}])
+      expect(subject).
+        to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} -C #{clone_path} reset --hard #{tag}])
     end
 
     context 'when the tag is not checked out locally' do
       before do
-        expect_any_instance_of(Object).
-          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} describe -- #{tag}]).and_raise(Gitlab::TaskFailedError)
+        expect(subject).
+          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} -C #{clone_path} describe -- #{tag}]).and_raise(Gitlab::TaskFailedError)
       end
 
       it 'fetch origin, ensure the tag exists, and resets --hard to the given tag' do
-        expect_any_instance_of(Object).
-          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} fetch origin])
-        expect_any_instance_of(Object).
-          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} describe -- origin/#{tag}]).and_return(tag)
+        expect(subject).
+          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} -C #{clone_path} fetch origin])
+        expect(subject).
+          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} -C #{clone_path} describe -- origin/#{tag}]).and_return(tag)
 
-        reset_to_tag(tag)
+        subject.reset_to_tag(tag, clone_path)
       end
     end
 
     context 'when the tag is checked out locally' do
       before do
-        expect_any_instance_of(Object).
-          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} describe -- #{tag}]).and_return(tag)
+        expect(subject).
+          to receive(:run_command!).with(%W[#{Gitlab.config.git.bin_path} -C #{clone_path} describe -- #{tag}]).and_return(tag)
       end
 
       it 'resets --hard to the given tag' do
-        reset_to_tag(tag)
+        subject.reset_to_tag(tag, clone_path)
       end
     end
   end

spec/tasks/gitlab/users_rake_spec.rb

@@ -5,7 +5,7 @@ describe 'gitlab:users namespace rake task' do
   let(:enable_registry) { true }
 
   before :all do
-    Rake.application.rake_require 'tasks/gitlab/task_helpers'
+    Rake.application.rake_require 'tasks/gitlab/helpers'
     Rake.application.rake_require 'tasks/gitlab/users'
 
     # empty task as env is already loaded

spec/tasks/gitlab/workhorse_rake_spec.rb

-require 'spec_helper'
-require 'rake'
+require 'rake_helper'
 
 describe 'gitlab:workhorse namespace rake task' do
   before :all do
-    Rake.application.rake_require 'tasks/gitlab/task_helpers'
     Rake.application.rake_require 'tasks/gitlab/workhorse'
-
-    # empty task as env is already loaded
-    Rake::Task.define_task :environment
-  end
-
-  def run_rake_task(task_name, *args)
-    Rake::Task[task_name].reenable
-    Rake.application.invoke_task("#{task_name}[#{args.join(',')}]")
   end
 
   describe 'install' do
@@ -20,13 +10,13 @@ describe 'gitlab:workhorse namespace rake task' do
     let(:clone_path) { Rails.root.join('tmp/tests/gitlab-workhorse').to_s }
     let(:tag) { "v#{File.read(Rails.root.join(Gitlab::Workhorse::VERSION_FILE)).chomp}" }
     before do
-      # avoid writing task output to spec progress
-      allow($stdout).to receive :write
       allow(ENV).to receive(:[])
     end
 
     context 'no dir given' do
       it 'aborts and display a help message' do
+        # avoid writing task output to spec progress
+        allow($stderr).to receive :write
         expect { run_rake_task('gitlab:workhorse:install') }.to raise_error /Please specify the directory where you want to install gitlab-workhorse/
       end
     end