github.com/zhouyu0/docker-note@v0.0.0-20190722021225-b8d3825084db/client/image_inspect_test.go (about) 1 package client // import "github.com/docker/docker/client" 2 3 import ( 4 "bytes" 5 "context" 6 "encoding/json" 7 "fmt" 8 "io/ioutil" 9 "net/http" 10 "reflect" 11 "strings" 12 "testing" 13 14 "github.com/docker/docker/api/types" 15 "github.com/pkg/errors" 16 ) 17 18 func TestImageInspectError(t *testing.T) { 19 client := &Client{ 20 client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), 21 } 22 23 _, _, err := client.ImageInspectWithRaw(context.Background(), "nothing") 24 if err == nil || err.Error() != "Error response from daemon: Server error" { 25 t.Fatalf("expected a Server Error, got %v", err) 26 } 27 } 28 29 func TestImageInspectImageNotFound(t *testing.T) { 30 client := &Client{ 31 client: newMockClient(errorMock(http.StatusNotFound, "Server error")), 32 } 33 34 _, _, err := client.ImageInspectWithRaw(context.Background(), "unknown") 35 if err == nil || !IsErrNotFound(err) { 36 t.Fatalf("expected an imageNotFound error, got %v", err) 37 } 38 } 39 40 func TestImageInspectWithEmptyID(t *testing.T) { 41 client := &Client{ 42 client: newMockClient(func(req *http.Request) (*http.Response, error) { 43 return nil, errors.New("should not make request") 44 }), 45 } 46 _, _, err := client.ImageInspectWithRaw(context.Background(), "") 47 if !IsErrNotFound(err) { 48 t.Fatalf("Expected NotFoundError, got %v", err) 49 } 50 } 51 52 func TestImageInspect(t *testing.T) { 53 expectedURL := "/images/image_id/json" 54 expectedTags := []string{"tag1", "tag2"} 55 client := &Client{ 56 client: newMockClient(func(req *http.Request) (*http.Response, error) { 57 if !strings.HasPrefix(req.URL.Path, expectedURL) { 58 return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL) 59 } 60 content, err := json.Marshal(types.ImageInspect{ 61 ID: "image_id", 62 RepoTags: expectedTags, 63 }) 64 if err != nil { 65 return nil, err 66 } 67 return &http.Response{ 68 StatusCode: http.StatusOK, 69 Body: ioutil.NopCloser(bytes.NewReader(content)), 70 }, nil 71 }), 72 } 73 74 imageInspect, _, err := client.ImageInspectWithRaw(context.Background(), "image_id") 75 if err != nil { 76 t.Fatal(err) 77 } 78 if imageInspect.ID != "image_id" { 79 t.Fatalf("expected `image_id`, got %s", imageInspect.ID) 80 } 81 if !reflect.DeepEqual(imageInspect.RepoTags, expectedTags) { 82 t.Fatalf("expected `%v`, got %v", expectedTags, imageInspect.RepoTags) 83 } 84 }