1 files changed, 140 insertions, 0 deletions
diff --git a/spec/lib/gitlab/merge_requests/mergeability/check_result_spec.rb b/spec/lib/gitlab/merge_requests/mergeability/check_result_spec.rb
new file mode 100644
index 00000000000..4f437e57600
--- /dev/null
+++ b/spec/lib/gitlab/merge_requests/mergeability/check_result_spec.rb
@@ -0,0 +1,140 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::MergeRequests::Mergeability::CheckResult do
+  subject(:check_result) { described_class }
+
+  let(:time) { Time.current }
+
+  around do |example|
+    freeze_time do
+      example.run
+    end
+  end
+
+  describe '.default_payload' do
+    it 'returns the expected defaults' do
+      expect(check_result.default_payload).to eq({ last_run_at: time })
+    end
+  end
+
+  describe '.success' do
+    subject(:success) { check_result.success(payload: payload) }
+
+    let(:payload) { {} }
+
+    it 'creates a success result' do
+      expect(success.status).to eq described_class::SUCCESS_STATUS
+    end
+
+    it 'uses the default payload' do
+      expect(success.payload).to eq described_class.default_payload
+    end
+
+    context 'when given a payload' do
+      let(:payload) { { last_run_at: time + 1.day, test: 'test' } }
+
+      it 'uses the payload passed' do
+        expect(success.payload).to eq payload
+      end
+    end
+  end
+
+  describe '.failed' do
+    subject(:failed) { check_result.failed(payload: payload) }
+
+    let(:payload) { {} }
+
+    it 'creates a failure result' do
+      expect(failed.status).to eq described_class::FAILED_STATUS
+    end
+
+    it 'uses the default payload' do
+      expect(failed.payload).to eq described_class.default_payload
+    end
+
+    context 'when given a payload' do
+      let(:payload) { { last_run_at: time + 1.day, test: 'test' } }
+
+      it 'uses the payload passed' do
+        expect(failed.payload).to eq payload
+      end
+    end
+  end
+
+  describe '.from_hash' do
+    subject(:from_hash) { described_class.from_hash(hash) }
+
+    let(:status) { described_class::SUCCESS_STATUS }
+    let(:payload) { { test: 'test' } }
+    let(:hash) do
+      {
+        status: status,
+        payload: payload
+      }
+    end
+
+    it 'returns the expected status and payload' do
+      expect(from_hash.status).to eq status
+      expect(from_hash.payload).to eq payload
+    end
+  end
+
+  describe '#to_hash' do
+    subject(:to_hash) { described_class.new(**hash).to_hash }
+
+    let(:status) { described_class::SUCCESS_STATUS }
+    let(:payload) { { test: 'test' } }
+    let(:hash) do
+      {
+        status: status,
+        payload: payload
+      }
+    end
+
+    it 'returns the expected hash' do
+      expect(to_hash).to eq hash
+    end
+  end
+
+  describe '#failed?' do
+    subject(:failed) { described_class.new(status: status).failed? }
+
+    context 'when it has failed' do
+      let(:status) { described_class::FAILED_STATUS }
+
+      it 'returns true' do
+        expect(failed).to eq true
+      end
+    end
+
+    context 'when it has succeeded' do
+      let(:status) { described_class::SUCCESS_STATUS }
+
+      it 'returns false' do
+        expect(failed).to eq false
+      end
+    end
+  end
+
+  describe '#success?' do
+    subject(:success) { described_class.new(status: status).success? }
+
+    context 'when it has failed' do
+      let(:status) { described_class::FAILED_STATUS }
+
+      it 'returns false' do
+        expect(success).to eq false
+      end
+    end
+
+    context 'when it has succeeded' do
+      let(:status) { described_class::SUCCESS_STATUS }
+
+      it 'returns true' do
+        expect(success).to eq true
+      end
+    end
+  end
+end