1 files changed, 45 insertions, 0 deletions
diff --git a/spec/services/merge_requests/mark_reviewer_reviewed_service_spec.rb b/spec/services/merge_requests/mark_reviewer_reviewed_service_spec.rb
new file mode 100644
index 00000000000..1075f6f9034
--- /dev/null
+++ b/spec/services/merge_requests/mark_reviewer_reviewed_service_spec.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe MergeRequests::MarkReviewerReviewedService do
+  let(:current_user) { create(:user) }
+  let(:merge_request) { create(:merge_request, reviewers: [current_user]) }
+  let(:reviewer) { merge_request.merge_request_reviewers.find_by(user_id: current_user.id) }
+  let(:project) { merge_request.project }
+  let(:service) { described_class.new(project, current_user) }
+  let(:result) { service.execute(merge_request) }
+
+  before do
+    project.add_developer(current_user)
+  end
+
+  describe '#execute' do
+    describe 'invalid permissions' do
+      let(:service) { described_class.new(project, create(:user)) }
+
+      it 'returns an error' do
+        expect(result[:status]).to eq :error
+      end
+    end
+
+    describe 'reviewer does not exist' do
+      let(:service) { described_class.new(project, create(:user)) }
+
+      it 'returns an error' do
+        expect(result[:status]).to eq :error
+      end
+    end
+
+    describe 'reviewer exists' do
+      it 'returns success' do
+        expect(result[:status]).to eq :success
+      end
+
+      it 'updates reviewers state' do
+        expect(result[:status]).to eq :success
+        expect(reviewer.state).to eq 'reviewed'
+      end
+    end
+  end
+end