Add specs for pipeline chain that builds stages and jobs

lib/gitlab/ci/pipeline/chain/populate.rb

@@ -16,10 +16,14 @@ module Gitlab
             ##
             # Populate pipeline with all stages and builds from pipeline seeds.
             #
-            pipeline.stage_seeds.each do |seed|
-              seed.user = current_user
+            pipeline.stage_seeds.each do |stage|
+              stage.user = current_user
 
-              pipeline.stages << seed.to_resource
+              pipeline.stages << stage.to_resource
+
+              stage.seeds.each do |build|
+                pipeline.builds << build.to_resource
+              end
             end
 
             if pipeline.stages.none?

lib/gitlab/ci/pipeline/seed/stage.rb

@@ -33,18 +33,14 @@ module Gitlab
             end
           end
 
-          # TODO specs
-          #
           def included?
             seeds.any?
           end
 
           def to_resource
-            @stage ||= ::Ci::Stage.new(attributes).tap do |stage|
-              @seeds.each do |seed|
-                next unless seed.included?
-
-                stage.builds << seed.to_resource
+            strong_memoize(:stage) do
+              ::Ci::Stage.new(attributes).tap do |stage|
+                seeds.each { |seed| stage.builds << seed.to_resource }
               end
             end
           end

spec/lib/gitlab/ci/pipeline/chain/populate_spec.rb

@@ -37,6 +37,8 @@ describe Gitlab::Ci::Pipeline::Chain::Populate do
     end
 
     it 'populates pipeline with builds' do
+      expect(pipeline.builds).to be_one
+      expect(pipeline.builds.first).not_to be_persisted
       expect(pipeline.stages.first.builds).to be_one
       expect(pipeline.stages.first.builds.first).not_to be_persisted
     end
@@ -130,5 +132,22 @@ describe Gitlab::Ci::Pipeline::Chain::Populate do
     end
   end
 
-  pending 'populating pipeline according to policies'
+  context 'when using only/except build policies' do
+    let(:config) do
+      { rspec: { script: 'rspec', stage: 'test', only: ['master'] },
+        prod: { script: 'cap prod', stage: 'deploy', only: ['tags'] } }
+    end
+
+    let(:pipeline) do
+      build(:ci_pipeline, ref: 'master', config: config)
+    end
+
+    it 'populates pipeline according to used policies' do
+      step.perform!
+
+      expect(pipeline.stages.size).to eq 1
+      expect(pipeline.builds.size).to eq 1
+      expect(pipeline.builds.first.name).to eq 'rspec'
+    end
+  end
 end

spec/lib/gitlab/ci/pipeline/seed/stage_spec.rb

@@ -28,6 +28,28 @@ describe Gitlab::Ci::Pipeline::Seed::Stage do
     end
   end
 
+  describe '#included?' do
+    context 'when it contains builds seeds' do
+      let(:attributes) do
+        { name: 'test',
+          index: 0,
+          builds: [{ name: 'deploy', only: { refs: ['master'] } }] }
+      end
+
+      it { is_expected.to be_included }
+    end
+
+    context 'when it does not contain build seeds' do
+      let(:attributes) do
+        { name: 'test',
+          index: 0,
+          builds: [{ name: 'deploy', only: { refs: ['feature'] } }] }
+      end
+
+      it { is_expected.not_to be_included }
+    end
+  end
+
   describe '#seeds' do
     it 'returns build seeds' do
       expect(subject.seeds).to all(be_a Gitlab::Ci::Pipeline::Seed::Build)