Kill Unit test mocking docker client API

Signed-off-by: Guillaume Tardif <guillaume.tardif@gmail.com>

local/compose/compose.go

@@ -33,12 +33,12 @@ import (
 )
 
 // NewComposeService create a local implementation of the compose.Service API
-func NewComposeService(apiClient *client.Client) compose.Service {
+func NewComposeService(apiClient client.APIClient) compose.Service {
 	return &composeService{apiClient: apiClient}
 }
 
 type composeService struct {
-	apiClient *client.Client
+	apiClient client.APIClient
 }
 
 func (s *composeService) Up(ctx context.Context, project *types.Project, options compose.UpOptions) error {

local/compose/kill_test.go

@@ -0,0 +1,92 @@
+/*
+   Copyright 2020 Docker Compose CLI authors
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package compose
+
+import (
+	"context"
+	"testing"
+
+	"github.com/compose-spec/compose-go/types"
+	apitypes "github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/filters"
+
+	"github.com/golang/mock/gomock"
+	"gotest.tools/v3/assert"
+
+	"github.com/docker/compose-cli/api/compose"
+	"github.com/docker/compose-cli/local/mocks"
+)
+
+var (
+	s               = composeService{}
+	projectListOpts = apitypes.ContainerListOptions{
+		Filters: filters.NewArgs(projectFilter("myProject")),
+		All:     true,
+	}
+)
+
+func TestKillAll(t *testing.T) {
+	mockCtrl := gomock.NewController(t)
+	defer mockCtrl.Finish()
+	api := mocks.NewMockAPIClient(mockCtrl)
+	s.apiClient = api
+
+	project := types.Project{Name: "myProject", Services: []types.ServiceConfig{testService("service1"), testService("service2")}}
+
+	ctx := context.Background()
+	api.EXPECT().ContainerList(ctx, projectListOpts).Return([]apitypes.Container{testContainer("service1", "123"), testContainer("service1", "456"), testContainer("service2", "789")}, nil)
+	api.EXPECT().ContainerKill(anyCancellableContext(), "123", "").Return(nil)
+	api.EXPECT().ContainerKill(anyCancellableContext(), "456", "").Return(nil)
+	api.EXPECT().ContainerKill(anyCancellableContext(), "789", "").Return(nil)
+
+	err := s.Kill(ctx, &project, compose.KillOptions{})
+	assert.NilError(t, err)
+}
+
+func TestKillSignal(t *testing.T) {
+	mockCtrl := gomock.NewController(t)
+	defer mockCtrl.Finish()
+	api := mocks.NewMockAPIClient(mockCtrl)
+	s.apiClient = api
+
+	project := types.Project{Name: "myProject", Services: []types.ServiceConfig{testService("service1")}}
+
+	ctx := context.Background()
+	api.EXPECT().ContainerList(ctx, projectListOpts).Return([]apitypes.Container{testContainer("service1", "123")}, nil)
+	api.EXPECT().ContainerKill(anyCancellableContext(), "123", "SIGTERM").Return(nil)
+
+	err := s.Kill(ctx, &project, compose.KillOptions{Signal: "SIGTERM"})
+	assert.NilError(t, err)
+}
+
+func testService(name string) types.ServiceConfig {
+	return types.ServiceConfig{Name: name}
+}
+
+func testContainer(service string, id string) apitypes.Container {
+	return apitypes.Container{
+		ID:     id,
+		Names:  []string{id},
+		Labels: map[string]string{compose.ServiceTag: service},
+	}
+}
+
+func anyCancellableContext() gomock.Matcher {
+	ctxWithCancel, cancel := context.WithCancel(context.Background())
+	cancel()
+	return gomock.AssignableToTypeOf(ctxWithCancel)
+}