package image import ( "io" "io/ioutil" "strings" "testing" "github.com/docker/cli/internal/test" "github.com/docker/docker/api/types" "github.com/gotestyourself/gotestyourself/assert" "github.com/pkg/errors" ) func TestNewPushCommandErrors(t *testing.T) { testCases := []struct { name string args []string expectedError string imagePushFunc func(ref string, options types.ImagePushOptions) (io.ReadCloser, error) }{ { name: "wrong-args", args: []string{}, expectedError: "requires exactly 1 argument.", }, { name: "invalid-name", args: []string{"UPPERCASE_REPO"}, expectedError: "invalid reference format: repository name must be lowercase", }, { name: "push-failed", args: []string{"image:repo"}, expectedError: "Failed to push", imagePushFunc: func(ref string, options types.ImagePushOptions) (io.ReadCloser, error) { return ioutil.NopCloser(strings.NewReader("")), errors.Errorf("Failed to push") }, }, } for _, tc := range testCases { cli := test.NewFakeCli(&fakeClient{imagePushFunc: tc.imagePushFunc}) cmd := NewPushCommand(cli) cmd.SetOutput(ioutil.Discard) cmd.SetArgs(tc.args) assert.ErrorContains(t, cmd.Execute(), tc.expectedError) } } func TestNewPushCommandSuccess(t *testing.T) { testCases := []struct { name string args []string }{ { name: "simple", args: []string{"image:tag"}, }, } for _, tc := range testCases { cli := test.NewFakeCli(&fakeClient{ imagePushFunc: func(ref string, options types.ImagePushOptions) (io.ReadCloser, error) { return ioutil.NopCloser(strings.NewReader("")), nil }, }) cmd := NewPushCommand(cli) cmd.SetOutput(ioutil.Discard) cmd.SetArgs(tc.args) assert.NilError(t, cmd.Execute()) } }