DockerCLI/cli/command/image/prune_test.go

101 lines
2.9 KiB
Go

package image
import (
"bytes"
"fmt"
"io/ioutil"
"testing"
"github.com/docker/cli/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/pkg/testutil"
"github.com/docker/docker/pkg/testutil/golden"
"github.com/pkg/errors"
"github.com/stretchr/testify/assert"
)
func TestNewPruneCommandErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
imagesPruneFunc func(pruneFilter filters.Args) (types.ImagesPruneReport, error)
}{
{
name: "wrong-args",
args: []string{"something"},
expectedError: "accepts no arguments.",
},
{
name: "prune-error",
args: []string{"--force"},
expectedError: "something went wrong",
imagesPruneFunc: func(pruneFilter filters.Args) (types.ImagesPruneReport, error) {
return types.ImagesPruneReport{}, errors.Errorf("something went wrong")
},
},
}
for _, tc := range testCases {
buf := new(bytes.Buffer)
cmd := NewPruneCommand(test.NewFakeCliWithOutput(&fakeClient{
imagesPruneFunc: tc.imagesPruneFunc,
}, buf))
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
testutil.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestNewPruneCommandSuccess(t *testing.T) {
testCases := []struct {
name string
args []string
imagesPruneFunc func(pruneFilter filters.Args) (types.ImagesPruneReport, error)
}{
{
name: "all",
args: []string{"--all"},
imagesPruneFunc: func(pruneFilter filters.Args) (types.ImagesPruneReport, error) {
assert.Equal(t, "false", pruneFilter.Get("dangling")[0])
return types.ImagesPruneReport{}, nil
},
},
{
name: "force-deleted",
args: []string{"--force"},
imagesPruneFunc: func(pruneFilter filters.Args) (types.ImagesPruneReport, error) {
assert.Equal(t, "true", pruneFilter.Get("dangling")[0])
return types.ImagesPruneReport{
ImagesDeleted: []types.ImageDeleteResponseItem{{Deleted: "image1"}},
SpaceReclaimed: 1,
}, nil
},
},
{
name: "force-untagged",
args: []string{"--force"},
imagesPruneFunc: func(pruneFilter filters.Args) (types.ImagesPruneReport, error) {
assert.Equal(t, "true", pruneFilter.Get("dangling")[0])
return types.ImagesPruneReport{
ImagesDeleted: []types.ImageDeleteResponseItem{{Untagged: "image1"}},
SpaceReclaimed: 2,
}, nil
},
},
}
for _, tc := range testCases {
buf := new(bytes.Buffer)
cmd := NewPruneCommand(test.NewFakeCliWithOutput(&fakeClient{
imagesPruneFunc: tc.imagesPruneFunc,
}, buf))
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("prune-command-success.%s.golden", tc.name))[:])
testutil.EqualNormalizedString(t, testutil.RemoveSpace, actual, expected)
}
}