package image import ( "io" "strings" "testing" "github.com/docker/cli/internal/test" "github.com/docker/docker/api/types/image" "github.com/pkg/errors" "gotest.tools/v3/assert" ) func TestNewPushCommandErrors(t *testing.T) { testCases := []struct { name string args []string expectedError string imagePushFunc func(ref string, options image.PushOptions) (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 (library/UPPERCASE_REPO) must be lowercase", }, { name: "push-failed", args: []string{"image:repo"}, expectedError: "Failed to push", imagePushFunc: func(ref string, options image.PushOptions) (io.ReadCloser, error) { return io.NopCloser(strings.NewReader("")), errors.Errorf("Failed to push") }, }, } for _, tc := range testCases { cli := test.NewFakeCli(&fakeClient{imagePushFunc: tc.imagePushFunc}) cmd := NewPushCommand(cli) cmd.SetOut(io.Discard) cmd.SetArgs(tc.args) assert.ErrorContains(t, cmd.Execute(), tc.expectedError) } } func TestNewPushCommandSuccess(t *testing.T) { testCases := []struct { name string args []string output string }{ { name: "push", args: []string{"image:tag"}, }, { name: "push quiet", args: []string{"--quiet", "image:tag"}, output: `docker.io/library/image:tag `, }, } for _, tc := range testCases { tc := tc t.Run(tc.name, func(t *testing.T) { cli := test.NewFakeCli(&fakeClient{ imagePushFunc: func(ref string, options image.PushOptions) (io.ReadCloser, error) { return io.NopCloser(strings.NewReader("")), nil }, }) cmd := NewPushCommand(cli) cmd.SetOut(cli.OutBuffer()) cmd.SetArgs(tc.args) assert.NilError(t, cmd.Execute()) if tc.output != "" { assert.Equal(t, tc.output, cli.OutBuffer().String()) } }) } }