| package client // import "github.com/docker/docker/client" |
| |
| import ( |
| "bytes" |
| "context" |
| "fmt" |
| "io/ioutil" |
| "net/http" |
| "strings" |
| "testing" |
| |
| "github.com/docker/docker/api/types" |
| ) |
| |
| func TestImagePullReferenceParseError(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(func(req *http.Request) (*http.Response, error) { |
| return nil, nil |
| }), |
| } |
| // An empty reference is an invalid reference |
| _, err := client.ImagePull(context.Background(), "", types.ImagePullOptions{}) |
| if err == nil || !strings.Contains(err.Error(), "invalid reference format") { |
| t.Fatalf("expected an error, got %v", err) |
| } |
| } |
| |
| func TestImagePullAnyError(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), |
| } |
| _, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{}) |
| if err == nil || err.Error() != "Error response from daemon: Server error" { |
| t.Fatalf("expected a Server Error, got %v", err) |
| } |
| } |
| |
| func TestImagePullStatusUnauthorizedError(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(errorMock(http.StatusUnauthorized, "Unauthorized error")), |
| } |
| _, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{}) |
| if err == nil || err.Error() != "Error response from daemon: Unauthorized error" { |
| t.Fatalf("expected an Unauthorized Error, got %v", err) |
| } |
| } |
| |
| func TestImagePullWithUnauthorizedErrorAndPrivilegeFuncError(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(errorMock(http.StatusUnauthorized, "Unauthorized error")), |
| } |
| privilegeFunc := func() (string, error) { |
| return "", fmt.Errorf("Error requesting privilege") |
| } |
| _, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{ |
| PrivilegeFunc: privilegeFunc, |
| }) |
| if err == nil || err.Error() != "Error requesting privilege" { |
| t.Fatalf("expected an error requesting privilege, got %v", err) |
| } |
| } |
| |
| func TestImagePullWithUnauthorizedErrorAndAnotherUnauthorizedError(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(errorMock(http.StatusUnauthorized, "Unauthorized error")), |
| } |
| privilegeFunc := func() (string, error) { |
| return "a-auth-header", nil |
| } |
| _, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{ |
| PrivilegeFunc: privilegeFunc, |
| }) |
| if err == nil || err.Error() != "Error response from daemon: Unauthorized error" { |
| t.Fatalf("expected an Unauthorized Error, got %v", err) |
| } |
| } |
| |
| func TestImagePullWithPrivilegedFuncNoError(t *testing.T) { |
| expectedURL := "/images/create" |
| 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) |
| } |
| auth := req.Header.Get("X-Registry-Auth") |
| if auth == "NotValid" { |
| return &http.Response{ |
| StatusCode: http.StatusUnauthorized, |
| Body: ioutil.NopCloser(bytes.NewReader([]byte("Invalid credentials"))), |
| }, nil |
| } |
| if auth != "IAmValid" { |
| return nil, fmt.Errorf("Invalid auth header : expected %s, got %s", "IAmValid", auth) |
| } |
| query := req.URL.Query() |
| fromImage := query.Get("fromImage") |
| if fromImage != "myimage" { |
| return nil, fmt.Errorf("fromimage not set in URL query properly. Expected '%s', got %s", "myimage", fromImage) |
| } |
| tag := query.Get("tag") |
| if tag != "latest" { |
| return nil, fmt.Errorf("tag not set in URL query properly. Expected '%s', got %s", "latest", tag) |
| } |
| return &http.Response{ |
| StatusCode: http.StatusOK, |
| Body: ioutil.NopCloser(bytes.NewReader([]byte("hello world"))), |
| }, nil |
| }), |
| } |
| privilegeFunc := func() (string, error) { |
| return "IAmValid", nil |
| } |
| resp, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{ |
| RegistryAuth: "NotValid", |
| PrivilegeFunc: privilegeFunc, |
| }) |
| if err != nil { |
| t.Fatal(err) |
| } |
| body, err := ioutil.ReadAll(resp) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if string(body) != "hello world" { |
| t.Fatalf("expected 'hello world', got %s", string(body)) |
| } |
| } |
| |
| func TestImagePullWithoutErrors(t *testing.T) { |
| expectedURL := "/images/create" |
| expectedOutput := "hello world" |
| pullCases := []struct { |
| all bool |
| reference string |
| expectedImage string |
| expectedTag string |
| }{ |
| { |
| all: false, |
| reference: "myimage", |
| expectedImage: "myimage", |
| expectedTag: "latest", |
| }, |
| { |
| all: false, |
| reference: "myimage:tag", |
| expectedImage: "myimage", |
| expectedTag: "tag", |
| }, |
| { |
| all: true, |
| reference: "myimage", |
| expectedImage: "myimage", |
| expectedTag: "", |
| }, |
| { |
| all: true, |
| reference: "myimage:anything", |
| expectedImage: "myimage", |
| expectedTag: "", |
| }, |
| } |
| for _, pullCase := range pullCases { |
| 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() |
| fromImage := query.Get("fromImage") |
| if fromImage != pullCase.expectedImage { |
| return nil, fmt.Errorf("fromimage not set in URL query properly. Expected '%s', got %s", pullCase.expectedImage, fromImage) |
| } |
| tag := query.Get("tag") |
| if tag != pullCase.expectedTag { |
| return nil, fmt.Errorf("tag not set in URL query properly. Expected '%s', got %s", pullCase.expectedTag, tag) |
| } |
| return &http.Response{ |
| StatusCode: http.StatusOK, |
| Body: ioutil.NopCloser(bytes.NewReader([]byte(expectedOutput))), |
| }, nil |
| }), |
| } |
| resp, err := client.ImagePull(context.Background(), pullCase.reference, types.ImagePullOptions{ |
| All: pullCase.all, |
| }) |
| if err != nil { |
| t.Fatal(err) |
| } |
| body, err := ioutil.ReadAll(resp) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if string(body) != expectedOutput { |
| t.Fatalf("expected '%s', got %s", expectedOutput, string(body)) |
| } |
| } |
| } |