1 files changed, 128 insertions, 0 deletions
diff --git a/spec/models/build_spec.rb b/spec/models/build_spec.rb
index ae185de9ca3..ef07f2275b1 100644
--- a/spec/models/build_spec.rb
+++ b/spec/models/build_spec.rb
@@ -1052,4 +1052,132 @@ describe Ci::Build, models: true do
       end
     end
   end
+
+  describe '#has_environment?' do
+    subject { build.has_environment? }
+
+    context 'when environment is defined' do
+      before do
+        build.update(environment: 'review')
+      end
+
+      it { is_expected.to be_truthy }
+    end
+
+    context 'when environment is not defined' do
+      before do
+        build.update(environment: nil)
+      end
+
+      it { is_expected.to be_falsey }
+    end
+  end
+
+  describe '#starts_environment?' do
+    subject { build.starts_environment? }
+
+    context 'when environment is defined' do
+      before do
+        build.update(environment: 'review')
+      end
+
+      context 'no action is defined' do
+        it { is_expected.to be_truthy }
+      end
+
+      context 'and start action is defined' do
+        before do
+          build.update(options: { environment: { action: 'start' } } )
+        end
+
+        it { is_expected.to be_truthy }
+      end
+    end
+
+    context 'when environment is not defined' do
+      before do
+        build.update(environment: nil)
+      end
+
+      it { is_expected.to be_falsey }
+    end
+  end
+
+  describe '#stops_environment?' do
+    subject { build.stops_environment? }
+
+    context 'when environment is defined' do
+      before do
+        build.update(environment: 'review')
+      end
+
+      context 'no action is defined' do
+        it { is_expected.to be_falsey }
+      end
+
+      context 'and stop action is defined' do
+        before do
+          build.update(options: { environment: { action: 'stop' } } )
+        end
+
+        it { is_expected.to be_truthy }
+      end
+    end
+
+    context 'when environment is not defined' do
+      before do
+        build.update(environment: nil)
+      end
+
+      it { is_expected.to be_falsey }
+    end
+  end
+
+  describe '#last_deployment' do
+    subject { build.last_deployment }
+
+    context 'when multiple deployments are created' do
+      let!(:deployment1) { create(:deployment, deployable: build) }
+      let!(:deployment2) { create(:deployment, deployable: build) }
+
+      it 'returns the latest one' do
+        is_expected.to eq(deployment2)
+      end
+    end
+  end
+
+  describe '#outdated_deployment?' do
+    subject { build.outdated_deployment? }
+
+    context 'when build succeeded' do
+      let(:build) { create(:ci_build, :success) }
+      let!(:deployment) { create(:deployment, deployable: build) }
+
+      context 'current deployment is latest' do
+        it { is_expected.to be_falsey }
+      end
+
+      context 'current deployment is not latest on environment' do
+        let!(:deployment2) { create(:deployment, environment: deployment.environment) }
+
+        it { is_expected.to be_truthy }
+      end
+    end
+
+    context 'when build failed' do
+      let(:build) { create(:ci_build, :failed) }
+
+      it { is_expected.to be_falsey }
+    end
+  end
+
+  describe '#expanded_environment_name' do
+    subject { build.expanded_environment_name }
+
+    context 'when environment uses variables' do
+      let(:build) { create(:ci_build, ref: 'master', environment: 'review/$CI_BUILD_REF_NAME') }
+
+      it { is_expected.to eq('review/master') }
+    end
+  end
 end