package client // import "github.com/docker/docker/client" import ( "bytes" "context" "encoding/json" "fmt" "io" "net/http" "strings" "testing" "github.com/docker/docker/api/types/filters" "github.com/docker/docker/api/types/volume" "github.com/docker/docker/errdefs" ) func TestVolumeListError(t *testing.T) { client := &Client{ client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), } _, err := client.VolumeList(context.Background(), filters.NewArgs()) if !errdefs.IsSystem(err) { t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err) } } func TestVolumeList(t *testing.T) { expectedURL := "/volumes" noDanglingFilters := filters.NewArgs() noDanglingFilters.Add("dangling", "false") danglingFilters := filters.NewArgs() danglingFilters.Add("dangling", "true") labelFilters := filters.NewArgs() labelFilters.Add("label", "label1") labelFilters.Add("label", "label2") listCases := []struct { filters filters.Args expectedFilters string }{ { filters: filters.NewArgs(), expectedFilters: "", }, { filters: noDanglingFilters, expectedFilters: `{"dangling":{"false":true}}`, }, { filters: danglingFilters, expectedFilters: `{"dangling":{"true":true}}`, }, { filters: labelFilters, expectedFilters: `{"label":{"label1":true,"label2":true}}`, }, } for _, listCase := range listCases { 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) } query := req.URL.Query() actualFilters := query.Get("filters") if actualFilters != listCase.expectedFilters { return nil, fmt.Errorf("filters not set in URL query properly. Expected '%s', got %s", listCase.expectedFilters, actualFilters) } content, err := json.Marshal(volume.ListResponse{ Volumes: []*volume.Volume{ { Name: "volume", Driver: "local", }, }, }) if err != nil { return nil, err } return &http.Response{ StatusCode: http.StatusOK, Body: io.NopCloser(bytes.NewReader(content)), }, nil }), } volumeResponse, err := client.VolumeList(context.Background(), listCase.filters) if err != nil { t.Fatal(err) } if len(volumeResponse.Volumes) != 1 { t.Fatalf("expected 1 volume, got %v", volumeResponse.Volumes) } } }