Merge branch 'fix/error-500-in-pipeline-when-fork' into 'master'

Use project that belongs to pipeline in view

## What does this MR do?

This MR makes project in pipelines view match the one that pipeline has been created for.

Closes #17943 

See merge request !4376

1 files changed, 58 insertions, 0 deletions

diff --git a/spec/features/merge_requests/created_from_fork_spec.rb b/spec/features/merge_requests/created_from_fork_spec.rb
new file mode 100644
index 00000000000..edc0bdec3db
--- /dev/null
+++ b/spec/features/merge_requests/created_from_fork_spec.rb
@@ -0,0 +1,58 @@
+require 'spec_helper'
+
+feature 'Merge request created from fork' do
+  given(:user) { create(:user) }
+  given(:project) { create(:project, :public) }
+  given(:fork_project) { create(:project, :public) }
+
+  given!(:merge_request) do
+    create(:forked_project_link, forked_to_project: fork_project,
+                                 forked_from_project: project)
+
+    create(:merge_request_with_diffs, source_project: fork_project,
+                                      target_project: project,
+                                      description: 'Test merge request')
+  end
+
+  background do
+    fork_project.team << [user, :master]
+    login_as user
+  end
+
+  scenario 'user can access merge request' do
+    visit_merge_request(merge_request)
+
+    expect(page).to have_content 'Test merge request'
+  end
+
+  context 'pipeline present in source project' do
+    include WaitForAjax
+
+    given(:pipeline) do
+      create(:ci_commit_with_two_jobs, project: fork_project,
+                                       sha: merge_request.last_commit.id,
+                                       ref: merge_request.source_branch)
+    end
+
+    background { pipeline.create_builds(user) }
+
+    scenario 'user visits a pipelines page', js: true do
+      visit_merge_request(merge_request)
+      page.within('.merge-request-tabs') { click_link 'Builds' }
+      wait_for_ajax
+
+      page.within('table.builds') do
+        expect(page).to have_content 'rspec'
+        expect(page).to have_content 'spinach'
+      end
+
+      expect(find_link('Cancel running')[:href])
+        .to include fork_project.path_with_namespace
+    end
+  end
+
+  def visit_merge_request(mr)
+    visit namespace_project_merge_request_path(project.namespace,
+                                               project, mr)
+  end
+end