Merge branch 'fj-refactor-destroy-project-service' into 'master'

Refactor project destroy services

See merge request gitlab-org/gitlab!22908

app/services/projects/destroy_rollback_service.rb

+# frozen_string_literal: true
+
+module Projects
+  class DestroyRollbackService < BaseService
+    include Gitlab::ShellAdapter
+
+    def execute
+      return unless project
+
+      Projects::ForksCountService.new(project).delete_cache
+
+      unless rollback_repository(project.repository)
+        raise_error(s_('DeleteProject|Failed to restore project repository. Please contact the administrator.'))
+      end
+
+      unless rollback_repository(project.wiki.repository)
+        raise_error(s_('DeleteProject|Failed to restore wiki repository. Please contact the administrator.'))
+      end
+    end
+
+    private
+
+    def rollback_repository(repository)
+      return true unless repository
+
+      result = Repositories::DestroyRollbackService.new(repository).execute
+
+      result[:status] == :success
+    end
+  end
+end

app/services/projects/destroy_service.rb

@@ -6,9 +6,6 @@ module Projects
 
     DestroyError = Class.new(StandardError)
 
-    DELETED_FLAG = '+deleted'
-    REPO_REMOVAL_DELAY = 5.minutes.to_i
-
     def async_execute
       project.update_attribute(:pending_delete, true)
 
@@ -18,7 +15,7 @@ module Projects
       schedule_stale_repos_removal
 
       job_id = ProjectDestroyWorker.perform_async(project.id, current_user.id, params)
-      Rails.logger.info("User #{current_user.id} scheduled destruction of project #{project.full_path} with job ID #{job_id}") # rubocop:disable Gitlab/RailsLogger
+      log_info("User #{current_user.id} scheduled destruction of project #{project.full_path} with job ID #{job_id}")
     end
 
     def execute
@@ -48,82 +45,34 @@ module Projects
       raise
     end
 
-    def attempt_repositories_rollback
-      return unless @project
-
-      flush_caches(@project)
-
-      unless rollback_repository(removal_path(repo_path), repo_path)
-        raise_error(s_('DeleteProject|Failed to restore project repository. Please contact the administrator.'))
-      end
-
-      unless rollback_repository(removal_path(wiki_path), wiki_path)
-        raise_error(s_('DeleteProject|Failed to restore wiki repository. Please contact the administrator.'))
-      end
-    end
-
     private
 
-    def repo_path
-      project.disk_path
-    end
-
-    def wiki_path
-      project.wiki.disk_path
-    end
-
     def trash_repositories!
-      unless remove_repository(repo_path)
+      unless remove_repository(project.repository)
         raise_error(s_('DeleteProject|Failed to remove project repository. Please try again or contact administrator.'))
       end
 
-      unless remove_repository(wiki_path)
+      unless remove_repository(project.wiki.repository)
         raise_error(s_('DeleteProject|Failed to remove wiki repository. Please try again or contact administrator.'))
       end
     end
 
-    def remove_repository(path)
-      # There is a possibility project does not have repository or wiki
-      return true unless repo_exists?(path)
+    def remove_repository(repository)
+      return true unless repository
 
-      new_path = removal_path(path)
+      result = Repositories::DestroyService.new(repository).execute
 
-      if mv_repository(path, new_path)
-        log_info(%Q{Repository "#{path}" moved to "#{new_path}" for project "#{project.full_path}"})
-
-        project.run_after_commit do
-          GitlabShellWorker.perform_in(REPO_REMOVAL_DELAY, :remove_repository, self.repository_storage, new_path)
-        end
-      else
-        false
-      end
+      result[:status] == :success
     end
 
     def schedule_stale_repos_removal
-      repo_paths = [removal_path(repo_path), removal_path(wiki_path)]
+      repos = [project.repository, project.wiki.repository]
 
-      # Ideally it should wait until the regular removal phase finishes,
-      # so let's delay it a bit further.
-      repo_paths.each do |path|
-        GitlabShellWorker.perform_in(REPO_REMOVAL_DELAY * 2, :remove_repository, project.repository_storage, path)
-      end
-    end
-
-    def rollback_repository(old_path, new_path)
-      # There is a possibility project does not have repository or wiki
-      return true unless repo_exists?(old_path)
-
-      mv_repository(old_path, new_path)
-    end
+      repos.each do |repository|
+        next unless repository
 
-    def repo_exists?(path)
-      gitlab_shell.repository_exists?(project.repository_storage, path + '.git')
+        Repositories::ShellDestroyService.new(repository).execute(Repositories::ShellDestroyService::STALE_REMOVAL_DELAY)
       end
-
-    def mv_repository(from_path, to_path)
-      return true unless repo_exists?(from_path)
-
-      gitlab_shell.mv_repository(project.repository_storage, from_path, to_path)
     end
 
     def attempt_rollback(project, message)
@@ -191,32 +140,9 @@ module Projects
       raise DestroyError.new(message)
     end
 
-    # Build a path for removing repositories
-    # We use `+` because its not allowed by GitLab so user can not create
-    # project with name cookies+119+deleted and capture someone stalled repository
-    #
-    # gitlab/cookies.git -> gitlab/cookies+119+deleted.git
-    #
-    def removal_path(path)
-      "#{path}+#{project.id}#{DELETED_FLAG}"
-    end
-
     def flush_caches(project)
-      ignore_git_errors(repo_path) { project.repository.before_delete }
-
-      ignore_git_errors(wiki_path) { Repository.new(wiki_path, project, disk_path: repo_path).before_delete }
-
       Projects::ForksCountService.new(project).delete_cache
     end
-
-    # If we get a Gitaly error, the repository may be corrupted. We can
-    # ignore these errors since we're going to trash the repositories
-    # anyway.
-    def ignore_git_errors(disk_path, &block)
-      yield
-    rescue Gitlab::Git::CommandError => e
-      Gitlab::GitLogger.warn(class: self.class.name, project_id: project.id, disk_path: disk_path, message: e.to_s)
-    end
   end
 end
 

app/services/projects/overwrite_project_service.rb

@@ -55,7 +55,7 @@ module Projects
     end
 
     def attempt_restore_repositories(project)
-      ::Projects::DestroyService.new(project, @current_user).attempt_repositories_rollback
+      ::Projects::DestroyRollbackService.new(project, @current_user).execute
     end
 
     def add_source_project_to_fork_network(source_project)

app/services/repositories/base_service.rb

+# frozen_string_literal: true
+
+class Repositories::BaseService < BaseService
+  include Gitlab::ShellAdapter
+
+  DELETED_FLAG = '+deleted'
+
+  attr_reader :repository
+
+  delegate :project, :disk_path, :full_path, to: :repository
+  delegate :repository_storage, to: :project
+
+  def initialize(repository)
+    @repository = repository
+  end
+
+  def repo_exists?(path)
+    gitlab_shell.repository_exists?(repository_storage, path + '.git')
+  end
+
+  def mv_repository(from_path, to_path)
+    return true unless repo_exists?(from_path)
+
+    gitlab_shell.mv_repository(repository_storage, from_path, to_path)
+  end
+
+  # Build a path for removing repositories
+  # We use `+` because its not allowed by GitLab so user can not create
+  # project with name cookies+119+deleted and capture someone stalled repository
+  #
+  # gitlab/cookies.git -> gitlab/cookies+119+deleted.git
+  #
+  def removal_path
+    "#{disk_path}+#{project.id}#{DELETED_FLAG}"
+  end
+
+  # If we get a Gitaly error, the repository may be corrupted. We can
+  # ignore these errors since we're going to trash the repositories
+  # anyway.
+  def ignore_git_errors(&block)
+    yield
+  rescue Gitlab::Git::CommandError => e
+    Gitlab::GitLogger.warn(class: self.class.name, project_id: project.id, disk_path: disk_path, message: e.to_s)
+  end
+
+  def move_error(path)
+    error = %Q{Repository "#{path}" could not be moved}
+
+    log_error(error)
+    error(error)
+  end
+end

app/services/repositories/destroy_rollback_service.rb

+# frozen_string_literal: true
+
+class Repositories::DestroyRollbackService < Repositories::BaseService
+  def execute
+    # There is a possibility project does not have repository or wiki
+    return success unless repo_exists?(removal_path)
+
+    # Flush the cache for both repositories.
+    ignore_git_errors { repository.before_delete }
+
+    if mv_repository(removal_path, disk_path)
+      log_info(%Q{Repository "#{removal_path}" moved to "#{disk_path}" for repository "#{full_path}"})
+
+      success
+    else
+      move_error(removal_path)
+    end
+  end
+end

app/services/repositories/destroy_service.rb

+# frozen_string_literal: true
+
+class Repositories::DestroyService < Repositories::BaseService
+  def execute
+    return success unless repository
+    return success unless repo_exists?(disk_path)
+
+    # Flush the cache for both repositories. This has to be done _before_
+    # removing the physical repositories as some expiration code depends on
+    # Git data (e.g. a list of branch names).
+    ignore_git_errors { repository.before_delete }
+
+    if mv_repository(disk_path, removal_path)
+      log_info(%Q{Repository "#{disk_path}" moved to "#{removal_path}" for repository "#{full_path}"})
+
+      current_repository = repository
+      project.run_after_commit do
+        Repositories::ShellDestroyService.new(current_repository).execute
+      end
+
+      log_info("Project \"#{project.full_path}\" was removed")
+
+      success
+    else
+      move_error(disk_path)
+    end
+  end
+end

app/services/repositories/shell_destroy_service.rb

+# frozen_string_literal: true
+
+class Repositories::ShellDestroyService < Repositories::BaseService
+  REPO_REMOVAL_DELAY = 5.minutes.to_i
+  STALE_REMOVAL_DELAY = REPO_REMOVAL_DELAY * 2
+
+  def execute(delay = REPO_REMOVAL_DELAY)
+    return success unless repository
+
+    GitlabShellWorker.perform_in(delay,
+                                 :remove_repository,
+                                 repository_storage,
+                                 removal_path)
+  end
+end

ee/app/services/ee/projects/destroy_service.rb

@@ -34,8 +34,8 @@ module EE
       def log_geo_event(project)
         ::Geo::RepositoryDeletedEventStore.new(
           project,
-          repo_path: repo_path,
-          wiki_path: wiki_path
+          repo_path: project.disk_path,
+          wiki_path: project.wiki.disk_path
         ).create!
       end
 

spec/services/projects/destroy_rollback_service_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Projects::DestroyRollbackService do
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project, :repository, namespace: user.namespace) }
+  let(:repository) { project.repository }
+  let(:repository_storage) { project.repository_storage }
+
+  subject { described_class.new(project, user, {}).execute }
+
+  describe '#execute' do
+    let(:path) { repository.disk_path + '.git' }
+    let(:removal_path) { "#{repository.disk_path}+#{project.id}#{Repositories::DestroyService::DELETED_FLAG}.git" }
+
+    before do
+      aggregate_failures do
+        expect(TestEnv.storage_dir_exists?(repository_storage, path)).to be_truthy
+        expect(TestEnv.storage_dir_exists?(repository_storage, removal_path)).to be_falsey
+      end
+
+      # Don't run sidekiq to check if renamed repository exists
+      Sidekiq::Testing.fake! { destroy_project(project, user, {}) }
+
+      aggregate_failures do
+        expect(TestEnv.storage_dir_exists?(repository_storage, path)).to be_falsey
+        expect(TestEnv.storage_dir_exists?(repository_storage, removal_path)).to be_truthy
+      end
+    end
+
+    it 'restores the repositories' do
+      Sidekiq::Testing.fake! { subject }
+
+      aggregate_failures do
+        expect(TestEnv.storage_dir_exists?(repository_storage, path)).to be_truthy
+        expect(TestEnv.storage_dir_exists?(repository_storage, removal_path)).to be_falsey
+      end
+    end
+  end
+
+  def destroy_project(project, user, params = {})
+    Projects::DestroyService.new(project, user, params).execute
+  end
+end

spec/services/projects/destroy_service_spec.rb

@@ -5,15 +5,11 @@ require 'spec_helper'
 describe Projects::DestroyService do
   include ProjectForksHelper
 
-  let!(:user) { create(:user) }
+  let_it_be(:user) { create(:user) }
   let!(:project) { create(:project, :repository, namespace: user.namespace) }
-  let!(:path) do
-    Gitlab::GitalyClient::StorageSettings.allow_disk_access do
-      project.repository.path_to_repo
-    end
-  end
-  let!(:remove_path) { path.sub(/\.git\Z/, "+#{project.id}+deleted.git") }
-  let!(:async) { false } # execute or async_execute
+  let(:path) { project.repository.disk_path }
+  let(:remove_path) { removal_path(path) }
+  let(:async) { false } # execute or async_execute
 
   before do
     stub_container_registry_config(enabled: true)
@@ -21,7 +17,12 @@ describe Projects::DestroyService do
   end
 
   shared_examples 'deleting the project' do
-    it 'deletes the project' do
+    before do
+      # Run sidekiq immediately to check that renamed repository will be removed
+      destroy_project(project, user, {})
+    end
+
+    it 'deletes the project', :sidekiq_inline do
       expect(Project.unscoped.all).not_to include(project)
 
       expect(project.gitlab_shell.repository_exists?(project.repository_storage, path + '.git')).to be_falsey
@@ -30,16 +31,10 @@ describe Projects::DestroyService do
   end
 
   shared_examples 'deleting the project with pipeline and build' do
-    context 'with pipeline and build' do # which has optimistic locking
+    context 'with pipeline and build', :sidekiq_inline do # which has optimistic locking
       let!(:pipeline) { create(:ci_pipeline, project: project) }
       let!(:build) { create(:ci_build, :artifacts, pipeline: pipeline) }
 
-      before do
-        perform_enqueued_jobs do
-          destroy_project(project, user, {})
-        end
-      end
-
       it_behaves_like 'deleting the project'
     end
   end
@@ -47,49 +42,46 @@ describe Projects::DestroyService do
   shared_examples 'handles errors thrown during async destroy' do |error_message|
     it 'does not allow the error to bubble up' do
       expect do
-        perform_enqueued_jobs { destroy_project(project, user, {}) }
+        destroy_project(project, user, {})
       end.not_to raise_error
     end
 
     it 'unmarks the project as "pending deletion"' do
-      perform_enqueued_jobs { destroy_project(project, user, {}) }
+      destroy_project(project, user, {})
 
       expect(project.reload.pending_delete).to be(false)
     end
 
     it 'stores an error message in `projects.delete_error`' do
-      perform_enqueued_jobs { destroy_project(project, user, {}) }
+      destroy_project(project, user, {})
 
       expect(project.reload.delete_error).to be_present
       expect(project.delete_error).to include(error_message)
     end
   end
 
-  context 'Sidekiq inline' do
-    before do
-      # Run sidekiq immediately to check that renamed repository will be removed
-      perform_enqueued_jobs { destroy_project(project, user, {}) }
-    end
-
   it_behaves_like 'deleting the project'
 
-    context 'when has remote mirrors' do
+  it 'invalidates personal_project_count cache' do
+    expect(user).to receive(:invalidate_personal_projects_count)
+
+    destroy_project(project, user, {})
+  end
+
+  context 'when project has remote mirrors' do
     let!(:project) do
       create(:project, :repository, namespace: user.namespace).tap do |project|
         project.remote_mirrors.create(url: 'http://test.com')
       end
     end
-      let!(:async) { true }
 
-      it 'destroys them', :sidekiq_might_not_need_inline do
-        expect(RemoteMirror.count).to eq(0)
-      end
-    end
+    it 'destroys them' do
+      expect(RemoteMirror.count).to eq(1)
 
-    it 'invalidates personal_project_count cache' do
-      expect(user).to receive(:invalidate_personal_projects_count)
+      destroy_project(project, user, {})
 
-      destroy_project(project, user)
+      expect(RemoteMirror.count).to eq(0)
+    end
   end
 
   context 'when project has exports' do
@@ -100,15 +92,15 @@ describe Projects::DestroyService do
                export_file: fixture_file_upload('spec/fixtures/project_export.tar.gz'))
       end
     end
-      let!(:async) { true }
 
-      it 'destroys project and export', :sidekiq_might_not_need_inline do
-        expect { destroy_project(project_with_export, user) }.to change(ImportExportUpload, :count).by(-1)
+    it 'destroys project and export' do
+      expect do
+        destroy_project(project_with_export, user, {})
+      end.to change(ImportExportUpload, :count).by(-1)
 
       expect(Project.all).not_to include(project_with_export)
     end
   end
-  end
 
   context 'Sidekiq fake' do
     before do
@@ -117,20 +109,24 @@ describe Projects::DestroyService do
     end
 
     it { expect(Project.all).not_to include(project) }
-    it { expect(Dir.exist?(path)).to be_falsey }
-    it { expect(Dir.exist?(remove_path)).to be_truthy }
+
+    it do
+      expect(project.gitlab_shell.repository_exists?(project.repository_storage, path + '.git')).to be_falsey
+    end
+
+    it do
+      expect(project.gitlab_shell.repository_exists?(project.repository_storage, remove_path + '.git')).to be_truthy
+    end
   end
 
   context 'when flushing caches fail due to Git errors' do
     before do
       allow(project.repository).to receive(:before_delete).and_raise(::Gitlab::Git::CommandError)
       allow(Gitlab::GitLogger).to receive(:warn).with(
-        class: described_class.name,
+        class: Repositories::DestroyService.name,
         project_id: project.id,
         disk_path: project.disk_path,
         message: 'Gitlab::Git::CommandError').and_call_original
-
-      perform_enqueued_jobs { destroy_project(project, user, {}) }
     end
 
     it_behaves_like 'deleting the project'
@@ -153,14 +149,12 @@ describe Projects::DestroyService do
     end
   end
 
-  context 'with async_execute', :sidekiq_might_not_need_inline do
+  context 'with async_execute', :sidekiq_inline do
     let(:async) { true }
 
     context 'async delete of project with private issue visibility' do
       before do
         project.project_feature.update_attribute("issues_access_level", ProjectFeature::PRIVATE)
-        # Run sidekiq immediately to check that renamed repository will be removed
-        perform_enqueued_jobs { destroy_project(project, user, {}) }
       end
 
       it_behaves_like 'deleting the project'
@@ -204,7 +198,7 @@ describe Projects::DestroyService do
 
         it 'allows error to bubble up and rolls back project deletion' do
           expect do
-            perform_enqueued_jobs { destroy_project(project, user, {}) }
+            destroy_project(project, user, {})
           end.to raise_error(Exception, 'Other error message')
 
           expect(project.reload.pending_delete).to be(false)
@@ -312,15 +306,12 @@ describe Projects::DestroyService do
   end
 
   context 'repository +deleted path removal' do
-    def removal_path(path)
-      "#{path}+#{project.id}#{described_class::DELETED_FLAG}"
-    end
-
     context 'regular phase' do
       it 'schedules +deleted removal of existing repos' do
         service = described_class.new(project, user, {})
         allow(service).to receive(:schedule_stale_repos_removal)
 
+        expect(Repositories::ShellDestroyService).to receive(:new).and_call_original
         expect(GitlabShellWorker).to receive(:perform_in)
           .with(5.minutes, :remove_repository, project.repository_storage, removal_path(project.disk_path))
 
@@ -329,14 +320,16 @@ describe Projects::DestroyService do
     end
 
     context 'stale cleanup' do
-      let!(:async) { true }
+      let(:async) { true }
 
       it 'schedules +deleted wiki and repo removal' do
         allow(ProjectDestroyWorker).to receive(:perform_async)
 
+        expect(Repositories::ShellDestroyService).to receive(:new).with(project.repository).and_call_original
         expect(GitlabShellWorker).to receive(:perform_in)
           .with(10.minutes, :remove_repository, project.repository_storage, removal_path(project.disk_path))
 
+        expect(Repositories::ShellDestroyService).to receive(:new).with(project.wiki.repository).and_call_original
         expect(GitlabShellWorker).to receive(:perform_in)
           .with(10.minutes, :remove_repository, project.repository_storage, removal_path(project.wiki.disk_path))
 
@@ -345,33 +338,11 @@ describe Projects::DestroyService do
     end
   end
 
-  context '#attempt_restore_repositories' do
-    let(:path) { project.disk_path + '.git' }
-
-    before do
-      expect(TestEnv.storage_dir_exists?(project.repository_storage, path)).to be_truthy
-      expect(TestEnv.storage_dir_exists?(project.repository_storage, remove_path)).to be_falsey
-
-      # Dont run sidekiq to check if renamed repository exists
-      Sidekiq::Testing.fake! { destroy_project(project, user, {}) }
-
-      expect(TestEnv.storage_dir_exists?(project.repository_storage, path)).to be_falsey
-      expect(TestEnv.storage_dir_exists?(project.repository_storage, remove_path)).to be_truthy
-    end
-
-    it 'restores the repositories' do
-      Sidekiq::Testing.fake! { described_class.new(project, user).attempt_repositories_rollback }
-
-      expect(TestEnv.storage_dir_exists?(project.repository_storage, path)).to be_truthy
-      expect(TestEnv.storage_dir_exists?(project.repository_storage, remove_path)).to be_falsey
-    end
-  end
-
   def destroy_project(project, user, params = {})
-    if async
-      Projects::DestroyService.new(project, user, params).async_execute
-    else
-      Projects::DestroyService.new(project, user, params).execute
+    described_class.new(project, user, params).public_send(async ? :async_execute : :execute)
   end
+
+  def removal_path(path)
+    "#{path}+#{project.id}#{Repositories::DestroyService::DELETED_FLAG}"
   end
 end

spec/services/repositories/destroy_rollback_service_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Repositories::DestroyRollbackService do
+  let_it_be(:user) { create(:user) }
+  let!(:project) { create(:project, :repository, namespace: user.namespace) }
+  let(:repository) { project.repository }
+  let(:path) { repository.disk_path }
+  let(:remove_path) { "#{path}+#{project.id}#{described_class::DELETED_FLAG}" }
+
+  subject { described_class.new(repository).execute }
+
+  before do
+    # Dont run sidekiq to check if renamed repository exists
+    Sidekiq::Testing.fake! { destroy_project(project, user) }
+  end
+
+  it 'moves the repository from the +deleted folder' do
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, remove_path + '.git')).to be_truthy
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, path + '.git')).to be_falsey
+
+    subject
+
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, remove_path + '.git')).to be_falsey
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, path + '.git')).to be_truthy
+  end
+
+  it 'logs the successful action' do
+    expect(Gitlab::AppLogger).to receive(:info)
+
+    subject
+  end
+
+  it 'flushes the repository cache' do
+    expect(repository).to receive(:before_delete)
+
+    subject
+  end
+
+  it 'returns success and does not perform any action if repository path does not exist' do
+    expect(repository).to receive(:disk_path).and_return('foo')
+    expect(repository).not_to receive(:before_delete)
+
+    result = subject
+
+    expect(result[:status]).to eq :success
+  end
+
+  context 'when move operation cannot be performed' do
+    let(:service) { described_class.new(repository) }
+
+    before do
+      allow(service).to receive(:mv_repository).and_return(false)
+    end
+
+    it 'returns error' do
+      result = service.execute
+
+      expect(result[:status]).to eq :error
+    end
+
+    it 'logs the error' do
+      expect(Gitlab::AppLogger).to receive(:error)
+
+      service.execute
+    end
+  end
+
+  def destroy_project(project, user)
+    Projects::DestroyService.new(project, user, {}).execute
+  end
+end

spec/services/repositories/destroy_service_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Repositories::DestroyService do
+  let_it_be(:user) { create(:user) }
+  let!(:project) { create(:project, :repository, namespace: user.namespace) }
+  let(:repository) { project.repository }
+  let(:path) { repository.disk_path }
+  let(:remove_path) { "#{path}+#{project.id}#{described_class::DELETED_FLAG}" }
+
+  subject { described_class.new(project.repository).execute }
+
+  it 'moves the repository to a +deleted folder' do
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, path + '.git')).to be_truthy
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, remove_path + '.git')).to be_falsey
+
+    subject
+
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, path + '.git')).to be_falsey
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, remove_path + '.git')).to be_truthy
+  end
+
+  it 'schedules the repository deletion' do
+    subject
+
+    expect(Repositories::ShellDestroyService).to receive(:new).with(repository).and_call_original
+
+    expect(GitlabShellWorker).to receive(:perform_in)
+      .with(Repositories::ShellDestroyService::REPO_REMOVAL_DELAY, :remove_repository, project.repository_storage, remove_path)
+
+    # Because GitlabShellWorker is inside a run_after_commit callback we need to
+    # trigger the callback
+    project.touch
+  end
+
+  it 'removes the repository', :sidekiq_inline do
+    subject
+
+    project.touch
+
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, path + '.git')).to be_falsey
+    expect(project.gitlab_shell.repository_exists?(project.repository_storage, remove_path + '.git')).to be_falsey
+  end
+
+  it 'flushes the repository cache' do
+    expect(repository).to receive(:before_delete)
+
+    subject
+  end
+
+  it 'does not perform any action if repository path does not exist and returns success' do
+    expect(repository).to receive(:disk_path).and_return('foo')
+    expect(repository).not_to receive(:before_delete)
+
+    result = subject
+
+    expect(result[:status]).to eq :success
+  end
+
+  context 'when move operation cannot be performed' do
+    let(:service) { described_class.new(repository) }
+
+    before do
+      allow(service).to receive(:mv_repository).and_return(false)
+    end
+
+    it 'returns error' do
+      result = service.execute
+
+      expect(result[:status]).to eq :error
+    end
+
+    it 'logs the error' do
+      expect(Gitlab::AppLogger).to receive(:error)
+
+      service.execute
+    end
+  end
+end

spec/services/repositories/shell_destroy_service_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Repositories::ShellDestroyService do
+  let_it_be(:user) { create(:user) }
+  let!(:project) { create(:project, :repository, namespace: user.namespace) }
+  let(:path) { project.repository.disk_path }
+  let(:remove_path) { "#{path}+#{project.id}#{described_class::DELETED_FLAG}" }
+
+  it 'returns success if the repository is nil' do
+    expect(GitlabShellWorker).not_to receive(:perform_in)
+
+    result = described_class.new(nil).execute
+
+    expect(result[:status]).to eq :success
+  end
+
+  it 'schedules the repository deletion' do
+    expect(GitlabShellWorker).to receive(:perform_in)
+      .with(described_class::REPO_REMOVAL_DELAY, :remove_repository, project.repository_storage, remove_path)
+
+    described_class.new(project.repository).execute
+  end
+end