Add latest changes from gitlab-org/gitlab@master

1 files changed, 29 insertions, 0 deletions

diff --git a/spec/workers/merge_request_mergeability_check_worker_spec.rb b/spec/workers/merge_request_mergeability_check_worker_spec.rb
new file mode 100644
index 00000000000..2331664215f
--- /dev/null
+++ b/spec/workers/merge_request_mergeability_check_worker_spec.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe MergeRequestMergeabilityCheckWorker do
+  subject { described_class.new }
+
+  describe '#perform' do
+    context 'when merge request does not exist' do
+      it 'does not execute MergeabilityCheckService' do
+        expect(MergeRequests::MergeabilityCheckService).not_to receive(:new)
+
+        subject.perform(1)
+      end
+    end
+
+    context 'when merge request exists' do
+      let(:merge_request) { create(:merge_request) }
+
+      it 'executes MergeabilityCheckService' do
+        expect_next_instance_of(MergeRequests::MergeabilityCheckService, merge_request) do |service|
+          expect(service).to receive(:execute).and_return(double(error?: false))
+        end
+
+        subject.perform(merge_request.id)
+      end
+    end
+  end
+end