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 TestImageRemoveError(t *testing.T) { client := &Client{ transport: newMockClient(nil, errorMock(http.StatusInternalServerError, "Server error")), } _, err := client.ImageRemove(context.Background(), "image_id", types.ImageRemoveOptions{}) if err == nil || err.Error() != "Error response from daemon: Server error" { t.Fatalf("expected a Server Error, got %v", err) } } func TestImageRemove(t *testing.T) { expectedURL := "/images/image_id" removeCases := []struct { force bool pruneChildren bool expectedQueryParams map[string]string }{ { force: false, pruneChildren: false, expectedQueryParams: map[string]string{ "force": "", "noprune": "1", }, }, { force: true, pruneChildren: true, expectedQueryParams: map[string]string{ "force": "1", "noprune": "", }, }, } for _, removeCase := range removeCases { 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) } if req.Method != "DELETE" { return nil, fmt.Errorf("expected DELETE method, got %s", req.Method) } query := req.URL.Query() for key, expected := range removeCase.expectedQueryParams { actual := query.Get(key) if actual != expected { return nil, fmt.Errorf("%s not set in URL query properly. Expected '%s', got %s", key, expected, actual) } } b, err := json.Marshal([]types.ImageDelete{ { Untagged: "image_id1", }, { Deleted: "image_id", }, }) if err != nil { return nil, err } return &http.Response{ StatusCode: http.StatusOK, Body: ioutil.NopCloser(bytes.NewReader(b)), }, nil }), } imageDeletes, err := client.ImageRemove(context.Background(), "image_id", types.ImageRemoveOptions{ Force: removeCase.force, PruneChildren: removeCase.pruneChildren, }) if err != nil { t.Fatal(err) } if len(imageDeletes) != 2 { t.Fatalf("expected 2 deleted images, got %v", imageDeletes) } } }