DockerCLI/command/stack/deploy_test.go

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package stack
import (
"bytes"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/cli/compose/convert"
"github.com/docker/docker/cli/internal/test"
"github.com/docker/docker/client"
"github.com/docker/docker/pkg/testutil/assert"
"golang.org/x/net/context"
)
type fakeClient struct {
client.Client
serviceList []string
removedIDs []string
}
func (cli *fakeClient) ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
services := []swarm.Service{}
for _, name := range cli.serviceList {
services = append(services, swarm.Service{
ID: name,
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{Name: name},
},
})
}
return services, nil
}
func (cli *fakeClient) ServiceRemove(ctx context.Context, serviceID string) error {
cli.removedIDs = append(cli.removedIDs, serviceID)
return nil
}
func TestPruneServices(t *testing.T) {
ctx := context.Background()
namespace := convert.NewNamespace("foo")
services := map[string]struct{}{
"new": {},
"keep": {},
}
client := &fakeClient{serviceList: []string{"foo_keep", "foo_remove"}}
dockerCli := test.NewFakeCli(client, &bytes.Buffer{})
dockerCli.SetErr(&bytes.Buffer{})
pruneServices(ctx, dockerCli, namespace, services)
assert.DeepEqual(t, client.removedIDs, []string{"foo_remove"})
}