package image import ( "bytes" "fmt" "io/ioutil" "regexp" "testing" "time" "github.com/docker/cli/cli/internal/test" "github.com/docker/docker/api/types/image" "github.com/docker/docker/pkg/testutil" "github.com/docker/docker/pkg/testutil/golden" "github.com/pkg/errors" "github.com/stretchr/testify/assert" ) func TestNewHistoryCommandErrors(t *testing.T) { testCases := []struct { name string args []string expectedError string imageHistoryFunc func(img string) ([]image.HistoryResponseItem, error) }{ { name: "wrong-args", args: []string{}, expectedError: "requires exactly 1 argument(s).", }, { name: "client-error", args: []string{"image:tag"}, expectedError: "something went wrong", imageHistoryFunc: func(img string) ([]image.HistoryResponseItem, error) { return []image.HistoryResponseItem{{}}, errors.Errorf("something went wrong") }, }, } for _, tc := range testCases { buf := new(bytes.Buffer) cmd := NewHistoryCommand(test.NewFakeCli(&fakeClient{imageHistoryFunc: tc.imageHistoryFunc}, buf)) cmd.SetOutput(ioutil.Discard) cmd.SetArgs(tc.args) testutil.ErrorContains(t, cmd.Execute(), tc.expectedError) } } func TestNewHistoryCommandSuccess(t *testing.T) { testCases := []struct { name string args []string outputRegex string imageHistoryFunc func(img string) ([]image.HistoryResponseItem, error) }{ { name: "simple", args: []string{"image:tag"}, imageHistoryFunc: func(img string) ([]image.HistoryResponseItem, error) { return []image.HistoryResponseItem{{ ID: "1234567890123456789", Created: time.Now().Unix(), }}, nil }, }, { name: "quiet", args: []string{"--quiet", "image:tag"}, }, // TODO: This test is failing since the output does not contain an RFC3339 date //{ // name: "non-human", // args: []string{"--human=false", "image:tag"}, // outputRegex: "\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}", // RFC3339 date format match //}, { name: "non-human-header", args: []string{"--human=false", "image:tag"}, outputRegex: "CREATED\\sAT", }, { name: "quiet-no-trunc", args: []string{"--quiet", "--no-trunc", "image:tag"}, imageHistoryFunc: func(img string) ([]image.HistoryResponseItem, error) { return []image.HistoryResponseItem{{ ID: "1234567890123456789", Created: time.Now().Unix(), }}, nil }, }, } for _, tc := range testCases { buf := new(bytes.Buffer) cmd := NewHistoryCommand(test.NewFakeCli(&fakeClient{imageHistoryFunc: tc.imageHistoryFunc}, buf)) cmd.SetOutput(ioutil.Discard) cmd.SetArgs(tc.args) err := cmd.Execute() assert.NoError(t, err) actual := buf.String() if tc.outputRegex == "" { expected := string(golden.Get(t, []byte(actual), fmt.Sprintf("history-command-success.%s.golden", tc.name))[:]) testutil.EqualNormalizedString(t, testutil.RemoveSpace, actual, expected) } else { match, _ := regexp.MatchString(tc.outputRegex, actual) assert.True(t, match) } } }