prevent getCanonicalContainerName to crash

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>

pkg/compose/compose.go

@@ -71,6 +71,10 @@ func (s *composeService) stderr() io.Writer {
 }
 
 func getCanonicalContainerName(c moby.Container) string {
+	if len(c.Names) == 0 {
+		// corner case, sometime happens on removal. return short ID as a safeguard value
+		return c.ID[:12]
+	}
 	// Names return container canonical name /foo  + link aliases /linked_by/foo
 	for _, name := range c.Names {
 		if strings.LastIndex(name, "/") == 0 {

pkg/compose/convergence_test.go

@@ -78,7 +78,7 @@ func TestServiceLinks(t *testing.T) {
 		apiClient := mocks.NewMockAPIClient(mockCtrl)
 		cli := mocks.NewMockCli(mockCtrl)
 		tested.dockerCli = cli
-		cli.EXPECT().Client().Return(apiClient)
+		cli.EXPECT().Client().Return(apiClient).AnyTimes()
 
 		s.Links = []string{"db"}
 
@@ -100,7 +100,7 @@ func TestServiceLinks(t *testing.T) {
 		apiClient := mocks.NewMockAPIClient(mockCtrl)
 		cli := mocks.NewMockCli(mockCtrl)
 		tested.dockerCli = cli
-		cli.EXPECT().Client().Return(apiClient)
+		cli.EXPECT().Client().Return(apiClient).AnyTimes()
 
 		s.Links = []string{"db:db"}
 
@@ -122,7 +122,7 @@ func TestServiceLinks(t *testing.T) {
 		apiClient := mocks.NewMockAPIClient(mockCtrl)
 		cli := mocks.NewMockCli(mockCtrl)
 		tested.dockerCli = cli
-		cli.EXPECT().Client().Return(apiClient)
+		cli.EXPECT().Client().Return(apiClient).AnyTimes()
 
 		s.Links = []string{"db:dbname"}
 
@@ -144,7 +144,7 @@ func TestServiceLinks(t *testing.T) {
 		apiClient := mocks.NewMockAPIClient(mockCtrl)
 		cli := mocks.NewMockCli(mockCtrl)
 		tested.dockerCli = cli
-		cli.EXPECT().Client().Return(apiClient)
+		cli.EXPECT().Client().Return(apiClient).AnyTimes()
 
 		s.Links = []string{"db:dbname"}
 		s.ExternalLinks = []string{"db1:db2"}
@@ -170,7 +170,7 @@ func TestServiceLinks(t *testing.T) {
 		apiClient := mocks.NewMockAPIClient(mockCtrl)
 		cli := mocks.NewMockCli(mockCtrl)
 		tested.dockerCli = cli
-		cli.EXPECT().Client().Return(apiClient)
+		cli.EXPECT().Client().Return(apiClient).AnyTimes()
 
 		s.Links = []string{}
 		s.ExternalLinks = []string{}
@@ -200,8 +200,11 @@ func TestServiceLinks(t *testing.T) {
 func TestWaitDependencies(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()
-	api := mocks.NewMockAPIClient(mockCtrl)
+
-	tested.apiClient = api
+	apiClient := mocks.NewMockAPIClient(mockCtrl)
+	cli := mocks.NewMockCli(mockCtrl)
+	tested.dockerCli = cli
+	cli.EXPECT().Client().Return(apiClient).AnyTimes()
 
 	t.Run("should skip dependencies with scale 0", func(t *testing.T) {
 		dbService := types.ServiceConfig{Name: "db", Scale: 0}

pkg/compose/down_test.go

@@ -34,8 +34,11 @@ import (
 func TestDown(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()
+
 	api := mocks.NewMockAPIClient(mockCtrl)
-	tested.apiClient = api
+	cli := mocks.NewMockCli(mockCtrl)
+	tested.dockerCli = cli
+	cli.EXPECT().Client().Return(api).AnyTimes()
 
 	api.EXPECT().ContainerList(gomock.Any(), projectFilterListOpt()).Return(
 		[]moby.Container{
@@ -67,8 +70,11 @@ func TestDown(t *testing.T) {
 func TestDownRemoveOrphans(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()
+
 	api := mocks.NewMockAPIClient(mockCtrl)
-	tested.apiClient = api
+	cli := mocks.NewMockCli(mockCtrl)
+	tested.dockerCli = cli
+	cli.EXPECT().Client().Return(api).AnyTimes()
 
 	api.EXPECT().ContainerList(gomock.Any(), projectFilterListOpt()).Return(
 		[]moby.Container{
@@ -99,8 +105,11 @@ func TestDownRemoveOrphans(t *testing.T) {
 func TestDownRemoveVolumes(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()
+
 	api := mocks.NewMockAPIClient(mockCtrl)
-	tested.apiClient = api
+	cli := mocks.NewMockCli(mockCtrl)
+	tested.dockerCli = cli
+	cli.EXPECT().Client().Return(api).AnyTimes()
 
 	api.EXPECT().ContainerList(gomock.Any(), projectFilterListOpt()).Return(
 		[]moby.Container{testContainer("service1", "123", false)}, nil)

pkg/compose/kill_test.go

@@ -39,8 +39,11 @@ var tested = composeService{}
 func TestKillAll(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()
+
 	api := mocks.NewMockAPIClient(mockCtrl)
-	tested.apiClient = api
+	cli := mocks.NewMockCli(mockCtrl)
+	tested.dockerCli = cli
+	cli.EXPECT().Client().Return(api).AnyTimes()
 
 	project := types.Project{Name: strings.ToLower(testProject), Services: []types.ServiceConfig{testService("service1"), testService("service2")}}
 
@@ -61,8 +64,11 @@ func TestKillSignal(t *testing.T) {
 	const serviceName = "service1"
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()
+
 	api := mocks.NewMockAPIClient(mockCtrl)
-	tested.apiClient = api
+	cli := mocks.NewMockCli(mockCtrl)
+	tested.dockerCli = cli
+	cli.EXPECT().Client().Return(api).AnyTimes()
 
 	project := types.Project{Name: strings.ToLower(testProject), Services: []types.ServiceConfig{testService(serviceName)}}
 	listOptions := moby.ContainerListOptions{

pkg/compose/ps_test.go

@@ -34,8 +34,11 @@ import (
 func TestPs(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()
+
 	api := mocks.NewMockAPIClient(mockCtrl)
-	tested.apiClient = api
+	cli := mocks.NewMockCli(mockCtrl)
+	tested.dockerCli = cli
+	cli.EXPECT().Client().Return(api).AnyTimes()
 
 	ctx := context.Background()
 	args := filters.NewArgs(projectFilter(strings.ToLower(testProject)))

pkg/compose/stop_test.go

@@ -33,8 +33,11 @@ import (
 func TestStopTimeout(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()
+
 	api := mocks.NewMockAPIClient(mockCtrl)
-	tested.apiClient = api
+	cli := mocks.NewMockCli(mockCtrl)
+	tested.dockerCli = cli
+	cli.EXPECT().Client().Return(api).AnyTimes()
 
 	ctx := context.Background()
 	api.EXPECT().ContainerList(gomock.Any(), projectFilterListOpt()).Return(