DockerCLI/cli/command/image/list_test.go

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package image
import (
"fmt"
"io/ioutil"
"testing"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
"gotest.tools/assert"
is "gotest.tools/assert/cmp"
"gotest.tools/golden"
)
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.",
},
{
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}))
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
assert.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.Check(t, is.Equal("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.Check(t, is.Equal("value", options.Filters.Get("name")[0]))
return []types.ImageSummary{{}}, nil
},
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{imageListFunc: tc.imageListFunc})
cli.SetConfigFile(&configfile.ConfigFile{ImagesFormat: tc.imageFormat})
cmd := NewImagesCommand(cli)
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.NilError(t, err)
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("list-command-success.%s.golden", tc.name))
}
}
func TestNewListCommandAlias(t *testing.T) {
cmd := newListCommand(test.NewFakeCli(&fakeClient{}))
assert.Check(t, cmd.HasAlias("images"))
assert.Check(t, cmd.HasAlias("list"))
assert.Check(t, !cmd.HasAlias("other"))
}