Function TestServiceUpdateResolveImageChanged

cli/command/stack/deploy_test.go:42–118

TestServiceUpdateResolveImageChanged tests that the service's image digest, and "ForceUpdate" is preserved if the image did not change in the compose file

(t *testing.T)

// image digest, and "ForceUpdate" is preserved if the image did not change in
// the compose file
func TestServiceUpdateResolveImageChanged(t *testing.T) {
	namespace := convert.NewNamespace("mystack")

	var receivedOptions client.ServiceUpdateOptions

	fakeCli := test.NewFakeCli(&fakeClient{
		serviceListFunc: func(options client.ServiceListOptions) (client.ServiceListResult, error) {
			return client.ServiceListResult{
				Items: []swarm.Service{
					{
						Spec: swarm.ServiceSpec{
							Annotations: swarm.Annotations{
								Name:   namespace.Name() + "_myservice",
								Labels: map[string]string{"com.docker.stack.image": "foobar:1.2.3"},
							},
							TaskTemplate: swarm.TaskSpec{
								ContainerSpec: &swarm.ContainerSpec{
									Image: "foobar:1.2.3@sha256:deadbeef",
								},
								ForceUpdate: 123,
							},
						},
					},
				},
			}, nil
		},
		serviceUpdateFunc: func(serviceID string, options client.ServiceUpdateOptions) (client.ServiceUpdateResult, error) {
			receivedOptions = options
			return client.ServiceUpdateResult{}, nil
		},
	})

	testcases := []struct {
		image                 string
		expectedQueryRegistry bool
		expectedImage         string
		expectedForceUpdate   uint64
	}{
		// Image not changed
		{
			image:                 "foobar:1.2.3",
			expectedQueryRegistry: false,
			expectedImage:         "foobar:1.2.3@sha256:deadbeef",
			expectedForceUpdate:   123,
		},
		// Image changed
		{
			image:                 "foobar:1.2.4",
			expectedQueryRegistry: true,
			expectedImage:         "foobar:1.2.4",
			expectedForceUpdate:   123,
		},
	}

	ctx := context.Background()

	for _, tc := range testcases {
		t.Run(tc.image, func(t *testing.T) {