package client import ( "bytes" "encoding/json" "fmt" "io/ioutil" "net/http" "strings" "testing" "github.com/docker/docker/api/types" "golang.org/x/net/context" ) func TestCheckpointCreateError(t *testing.T) { client := &Client{ client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), } err := client.CheckpointCreate(context.Background(), "nothing", types.CheckpointCreateOptions{ CheckpointID: "noting", Exit: true, }) if err == nil || err.Error() != "Error response from daemon: Server error" { t.Fatalf("expected a Server Error, got %v", err) } } func TestCheckpointCreate(t *testing.T) { expectedContainerID := "container_id" expectedCheckpointID := "checkpoint_id" expectedURL := "/containers/container_id/checkpoints" client := &Client{ client: newMockClient(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) } if req.Method != "POST" { return nil, fmt.Errorf("expected POST method, got %s", req.Method) } createOptions := &types.CheckpointCreateOptions{} if err := json.NewDecoder(req.Body).Decode(createOptions); err != nil { return nil, err } if createOptions.CheckpointID != expectedCheckpointID { return nil, fmt.Errorf("expected CheckpointID to be 'checkpoint_id', got %v", createOptions.CheckpointID) } if !createOptions.Exit { return nil, fmt.Errorf("expected Exit to be true") } return &http.Response{ StatusCode: http.StatusOK, Body: ioutil.NopCloser(bytes.NewReader([]byte(""))), }, nil }), } err := client.CheckpointCreate(context.Background(), expectedContainerID, types.CheckpointCreateOptions{ CheckpointID: expectedCheckpointID, Exit: true, }) if err != nil { t.Fatal(err) } }