docker_helper_spec.rb in kontena-cli-0.13.0

- old
+ new

@@ -5,10 +5,49 @@
 
   let(:subject) do
     Class.new { include Kontena::Cli::Apps::DockerHelper}.new
   end
 
+  let(:services_with_valid_hooks) do
+    {
+        'test_service' => {
+            'build' => '.',
+            'image' => 'test_service',
+            'hooks' => {
+              'pre_build' => [
+                { 'cmd' => "echo PREBUILD1", 'name' => 'hook1' },
+                { 'cmd' => "echo PREBUILD2", 'name' => 'hook2' }
+              ]
+            }
+        }
+    }
+  end
+
+  let(:services_with_invalid_hook) do
+    {
+        'test_service' => {
+            'build' => '.',
+            'image' => 'test_service',
+            'hooks' => {
+              'pre_build' => [
+                { 'cmd' => "echo PREBUILD1", 'name' => 'hook1' },
+                { 'cmd' => "some_non_existing_command", 'name' => 'failing hook' },
+              ]
+            }
+        }
+    }
+  end
+
+  let(:services_with_no_hook) do
+    {
+        'test_service' => {
+            'build' => '.',
+            'image' => 'test_service',
+        }
+    }
+  end
+
   describe '#validate_image_name' do
     context 'when image name is valid' do
       it 'returns true' do
         expect(subject.validate_image_name('registry.kontena.local/image-name:latest')).to be_truthy
         expect(subject.validate_image_name('my-registry.com/organization/image_name:latest')).to be_truthy
@@ -27,6 +66,41 @@
         expect(subject.validate_image_name('mysql 5.1')).to be_falsey
         expect(subject.validate_image_name('*.mydomain.com/mysql')).to be_falsey
       end
     end
   end
+
+  describe '#run_pre_build_hook' do
+    
+    context 'when hook defined' do
+      it 'runs the hook' do
+        allow(subject).to receive(:build_docker_image)
+        allow(subject).to receive(:push_docker_image)
+        expect(subject).to receive(:system).with("echo PREBUILD1"). and_return(true)
+        expect(subject).to receive(:system).with("echo PREBUILD2"). and_return(true)
+
+        subject.process_docker_images(services_with_valid_hooks)
+      end
+
+      it 'fails to run the hook' do
+        allow(subject).to receive(:build_docker_image)
+        allow(subject).to receive(:push_docker_image)
+        expect(subject).to receive(:system).with("echo PREBUILD1"). and_return(true)
+        expect(subject).to receive(:system).with("some_non_existing_command"). and_return(false)
+
+        expect {
+          subject.process_docker_images(services_with_invalid_hook)
+        }.to raise_error(SystemExit)
+      end
+    end
+    context 'when no hook defined' do
+      it 'runs no hooks' do
+        allow(subject).to receive(:build_docker_image)
+        allow(subject).to receive(:push_docker_image)
+        expect(subject).not_to receive(:run_pre_build_hook)
+
+        subject.process_docker_images(services_with_no_hook)
+      end
+    end
+  end
+
 end