DockerCLI/cli/command/image/list_test.go

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package image
import (
"bytes"
"fmt"
"io/ioutil"
"testing"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/testutil"
"github.com/docker/docker/pkg/testutil/golden"
"github.com/pkg/errors"
"github.com/stretchr/testify/assert"
)
func TestNewImagesCommandErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
imageListFunc func(options types.ImageListOptions) ([]types.ImageSummary, error)
}{
{
name: "wrong-args",
args: []string{"arg1", "arg2"},
expectedError: "requires at most 1 argument(s).",
},
{
name: "failed-list",
expectedError: "something went wrong",
imageListFunc: func(options types.ImageListOptions) ([]types.ImageSummary, error) {
return []types.ImageSummary{{}}, errors.Errorf("something went wrong")
},
},
}
for _, tc := range testCases {
cmd := NewImagesCommand(test.NewFakeCli(&fakeClient{imageListFunc: tc.imageListFunc}, new(bytes.Buffer)))
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
testutil.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestNewImagesCommandSuccess(t *testing.T) {
testCases := []struct {
name string
args []string
imageFormat string
imageListFunc func(options types.ImageListOptions) ([]types.ImageSummary, error)
}{
{
name: "simple",
},
{
name: "format",
imageFormat: "raw",
},
{
name: "quiet-format",
args: []string{"-q"},
imageFormat: "table",
},
{
name: "match-name",
args: []string{"image"},
imageListFunc: func(options types.ImageListOptions) ([]types.ImageSummary, error) {
assert.Equal(t, "image", options.Filters.Get("reference")[0])
return []types.ImageSummary{{}}, nil
},
},
{
name: "filters",
args: []string{"--filter", "name=value"},
imageListFunc: func(options types.ImageListOptions) ([]types.ImageSummary, error) {
assert.Equal(t, "value", options.Filters.Get("name")[0])
return []types.ImageSummary{{}}, nil
},
},
}
for _, tc := range testCases {
buf := new(bytes.Buffer)
cli := test.NewFakeCli(&fakeClient{imageListFunc: tc.imageListFunc}, buf)
cli.SetConfigfile(&configfile.ConfigFile{ImagesFormat: tc.imageFormat})
cmd := NewImagesCommand(cli)
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.NoError(t, err)
actual := buf.String()
expected := string(golden.Get(t, []byte(actual), fmt.Sprintf("list-command-success.%s.golden", tc.name))[:])
testutil.EqualNormalizedString(t, testutil.RemoveSpace, actual, expected)
}
}
func TestNewListCommandAlias(t *testing.T) {
cmd := newListCommand(test.NewFakeCli(&fakeClient{}, new(bytes.Buffer)))
assert.True(t, cmd.HasAlias("images"))
assert.True(t, cmd.HasAlias("list"))
assert.False(t, cmd.HasAlias("other"))
}