github.com/kinvolk/docker@v1.13.1/client/container_diff_test.go (about) 1 package client 2 3 import ( 4 "bytes" 5 "encoding/json" 6 "fmt" 7 "io/ioutil" 8 "net/http" 9 "strings" 10 "testing" 11 12 "github.com/docker/docker/api/types" 13 "golang.org/x/net/context" 14 ) 15 16 func TestContainerDiffError(t *testing.T) { 17 client := &Client{ 18 client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), 19 } 20 _, err := client.ContainerDiff(context.Background(), "nothing") 21 if err == nil || err.Error() != "Error response from daemon: Server error" { 22 t.Fatalf("expected a Server Error, got %v", err) 23 } 24 25 } 26 27 func TestContainerDiff(t *testing.T) { 28 expectedURL := "/containers/container_id/changes" 29 client := &Client{ 30 client: newMockClient(func(req *http.Request) (*http.Response, error) { 31 if !strings.HasPrefix(req.URL.Path, expectedURL) { 32 return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL) 33 } 34 b, err := json.Marshal([]types.ContainerChange{ 35 { 36 Kind: 0, 37 Path: "/path/1", 38 }, 39 { 40 Kind: 1, 41 Path: "/path/2", 42 }, 43 }) 44 if err != nil { 45 return nil, err 46 } 47 return &http.Response{ 48 StatusCode: http.StatusOK, 49 Body: ioutil.NopCloser(bytes.NewReader(b)), 50 }, nil 51 }), 52 } 53 54 changes, err := client.ContainerDiff(context.Background(), "container_id") 55 if err != nil { 56 t.Fatal(err) 57 } 58 if len(changes) != 2 { 59 t.Fatalf("expected an array of 2 changes, got %v", changes) 60 } 61 }