Add latest changes from gitlab-org/gitlab@master

1 files changed, 44 insertions, 0 deletions

diff --git a/spec/mailers/previews_spec.rb b/spec/mailers/previews_spec.rb
new file mode 100644
index 00000000000..14bd56e5d40
--- /dev/null
+++ b/spec/mailers/previews_spec.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Mailer previews' do
+  # Setup needed for email previews
+  let_it_be(:group) { create(:group) }
+  let_it_be(:project) { create(:project, :repository, :import_failed, group: group, import_last_error: 'some error') }
+  let_it_be(:user) { create(:user) }
+  let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
+  let_it_be(:merge_request) { create(:merge_request, source_project: project) }
+  let_it_be(:milestone) { create(:milestone, project: project) }
+  let_it_be(:issue) { create(:issue, project: project, milestone: milestone) }
+  let_it_be(:remote_mirror) { create(:remote_mirror, project: project) }
+  let_it_be(:member) { create(:project_member, :maintainer, project: project, created_by: user) }
+
+  Gitlab.ee do
+    let_it_be(:epic) { create(:epic, group: group) }
+  end
+
+  let(:expected_kind) { [Mail::Message, ActionMailer::MessageDelivery] }
+
+  let(:pending_failures) do
+    {
+      'NotifyPreview#note_merge_request_email_for_diff_discussion' =>
+        'https://gitlab.com/gitlab-org/gitlab/-/issues/372885'
+    }
+  end
+
+  subject { preview.call(email) }
+
+  where(:preview, :email) do
+    ActionMailer::Preview.all.flat_map { |preview| preview.emails.map { |email| [preview, email] } }
+  end
+
+  with_them do
+    it do
+      issue_link = pending_failures["#{preview.name}##{email}"]
+      pending "See #{issue_link}" if issue_link
+
+      is_expected.to be_kind_of(Mail::Message).or(be_kind_of(ActionMailer::MessageDelivery))
+    end
+  end
+end