1 files changed, 134 insertions, 0 deletions
diff --git a/features/steps/shared/issuable.rb b/features/steps/shared/issuable.rb
index e6d1b8b8efc..4c5f7488efb 100644
--- a/features/steps/shared/issuable.rb
+++ b/features/steps/shared/issuable.rb
@@ -5,6 +5,99 @@ module SharedIssuable
     find(:css, '.issuable-edit').click
   end
 
+  step 'project "Community" has "Community issue" open issue' do
+    create_issuable_for_project(
+      project_name: 'Community',
+      title: 'Community issue'
+    )
+  end
+
+  step 'project "Community" has "Community fix" open merge request' do
+    create_issuable_for_project(
+      project_name: 'Community',
+      type: :merge_request,
+      title: 'Community fix'
+    )
+  end
+
+  step 'project "Enterprise" has "Enterprise issue" open issue' do
+    create_issuable_for_project(
+      project_name: 'Enterprise',
+      title: 'Enterprise issue'
+    )
+  end
+
+  step 'project "Enterprise" has "Enterprise fix" open merge request' do
+    create_issuable_for_project(
+      project_name: 'Enterprise',
+      type: :merge_request,
+      title: 'Enterprise fix'
+    )
+  end
+
+  step 'I leave a comment referencing issue "Community issue"' do
+    leave_reference_comment(
+      issuable: Issue.find_by(title: 'Community issue'),
+      from_project_name: 'Enterprise'
+    )
+  end
+
+  step 'I leave a comment referencing issue "Community fix"' do
+    leave_reference_comment(
+      issuable: MergeRequest.find_by(title: 'Community fix'),
+      from_project_name: 'Enterprise'
+    )
+  end
+
+  step 'I visit issue page "Enterprise issue"' do
+    issue = Issue.find_by(title: 'Enterprise issue')
+    visit namespace_project_issue_path(issue.project.namespace, issue.project, issue)
+  end
+
+  step 'I visit merge request page "Enterprise fix"' do
+    mr = MergeRequest.find_by(title: 'Enterprise fix')
+    visit namespace_project_merge_request_path(mr.target_project.namespace, mr.target_project, mr)
+  end
+
+  step 'I visit issue page "Community issue"' do
+    issue = Issue.find_by(title: 'Community issue')
+    visit namespace_project_issue_path(issue.project.namespace, issue.project, issue)
+  end
+
+  step 'I visit issue page "Community fix"' do
+    mr = MergeRequest.find_by(title: 'Community fix')
+    visit namespace_project_merge_request_path(mr.target_project.namespace, mr.target_project, mr)
+  end
+
+  step 'I should not see any related merge requests' do
+    page.within '.issue-details' do
+      expect(page).not_to have_content('.merge-requests')
+    end
+  end
+
+  step 'I should see the "Enterprise fix" related merge request' do
+    page.within '.merge-requests' do
+      expect(page).to have_content('1 Related Merge Request')
+      expect(page).to have_content('Enterprise fix')
+    end
+  end
+
+  step 'I should see a note linking to "Enterprise fix" merge request' do
+    visible_note(
+      issuable: MergeRequest.find_by(title: 'Enterprise fix'),
+      from_project_name: 'Community',
+      user_name: 'Mary Jane'
+    )
+  end
+
+  step 'I should see a note linking to "Enterprise issue" issue' do
+    visible_note(
+      issuable: Issue.find_by(title: 'Enterprise issue'),
+      from_project_name: 'Community',
+      user_name: 'Mary Jane'
+    )
+  end
+
   step 'I click link "Edit" for the merge request' do
     edit_issuable
   end
@@ -12,4 +105,45 @@ module SharedIssuable
   step 'I click link "Edit" for the issue' do
     edit_issuable
   end
+
+  def create_issuable_for_project(project_name:, title:, type: :issue)
+    project = Project.find_by(name: project_name)
+
+    attrs = {
+      title: title,
+      author: project.users.first,
+      description: '# Description header'
+    }
+
+    case type
+    when :issue
+      attrs.merge!(project: project)
+    when :merge_request
+      attrs.merge!(
+        source_project: project,
+        target_project: project,
+        source_branch: 'fix',
+        target_branch: 'master'
+      )
+    end
+
+    create(type, attrs)
+  end
+
+  def leave_reference_comment(issuable:, from_project_name:)
+    project = Project.find_by(name: from_project_name)
+
+    page.within('.js-main-target-form') do
+      fill_in 'note[note]', with: "##{issuable.to_reference(project)}"
+      click_button 'Add Comment'
+    end
+  end
+
+  def visible_note(issuable:, from_project_name:, user_name:)
+    project = Project.find_by(name: from_project_name)
+
+    expect(page).to have_content(user_name)
+    expect(page).to have_content("mentioned in #{issuable.class.to_s.titleize.downcase} #{issuable.to_reference(project)}")
+  end
+
 end