1 files changed, 36 insertions, 0 deletions
diff --git a/spec/models/ci/project_mirror_spec.rb b/spec/models/ci/project_mirror_spec.rb
new file mode 100644
index 00000000000..199285b036c
--- /dev/null
+++ b/spec/models/ci/project_mirror_spec.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::ProjectMirror do
+  let_it_be(:group1) { create(:group) }
+  let_it_be(:group2) { create(:group) }
+
+  let!(:project) { create(:project, namespace: group2) }
+
+  describe '.sync!' do
+    let!(:event) { Projects::SyncEvent.create!(project: project) }
+
+    subject(:sync) { described_class.sync!(event.reload) }
+
+    context 'when project hierarchy does not exist in the first place' do
+      it 'creates a ci_projects record' do
+        expect { sync }.to change { described_class.count }.from(0).to(1)
+
+        expect(project.ci_project_mirror).to have_attributes(namespace_id: group2.id)
+      end
+    end
+
+    context 'when project hierarchy does already exist' do
+      before do
+        described_class.create!(project_id: project.id, namespace_id: group1.id)
+      end
+
+      it 'updates the related ci_projects record' do
+        expect { sync }.not_to change { described_class.count }
+
+        expect(project.ci_project_mirror).to have_attributes(namespace_id: group2.id)
+      end
+    end
+  end
+end