package client import ( "bytes" "encoding/json" "fmt" "io/ioutil" "net/http" "strings" "testing" "golang.org/x/net/context" "github.com/docker/docker/api/types" ) func TestContainerStartError(t *testing.T) { client := &Client{ transport: newMockClient(nil, errorMock(http.StatusInternalServerError, "Server error")), } err := client.ContainerStart(context.Background(), "nothing", types.ContainerStartOptions{}) if err == nil || err.Error() != "Error response from daemon: Server error" { t.Fatalf("expected a Server Error, got %v", err) } } func TestContainerStart(t *testing.T) { expectedURL := "/containers/container_id/start" client := &Client{ transport: newMockClient(nil, func(req *http.Request) (*http.Response, error) { if !strings.HasPrefix(req.URL.Path, expectedURL) { return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL) } // we're not expecting any payload, but if one is supplied, check it is valid. if req.Header.Get("Content-Type") == "application/json" { var startConfig interface{} if err := json.NewDecoder(req.Body).Decode(&startConfig); err != nil { return nil, fmt.Errorf("Unable to parse json: %s", err) } } checkpoint := req.URL.Query().Get("checkpoint") if checkpoint != "checkpoint_id" { return nil, fmt.Errorf("checkpoint not set in URL query properly. Expected 'checkpoint_id', got %s", checkpoint) } return &http.Response{ StatusCode: http.StatusOK, Body: ioutil.NopCloser(bytes.NewReader([]byte(""))), }, nil }), } err := client.ContainerStart(context.Background(), "container_id", types.ContainerStartOptions{CheckpointID: "checkpoint_id"}) if err != nil { t.Fatal(err) } }