DockerCLI/cli/command/image/prune_test.go

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package image
import (
"fmt"
"io/ioutil"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/gotestyourself/gotestyourself/assert"
is "github.com/gotestyourself/gotestyourself/assert/cmp"
"github.com/gotestyourself/gotestyourself/golden"
"github.com/pkg/errors"
)
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 {
cmd := NewPruneCommand(test.NewFakeCli(&fakeClient{
imagesPruneFunc: tc.imagesPruneFunc,
}))
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
assert.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.Check(t, is.Equal("false", pruneFilter.Get("dangling")[0]))
return types.ImagesPruneReport{}, nil
},
},
{
name: "force-deleted",
args: []string{"--force"},
imagesPruneFunc: func(pruneFilter filters.Args) (types.ImagesPruneReport, error) {
assert.Check(t, is.Equal("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.Check(t, is.Equal("true", pruneFilter.Get("dangling")[0]))
return types.ImagesPruneReport{
ImagesDeleted: []types.ImageDeleteResponseItem{{Untagged: "image1"}},
SpaceReclaimed: 2,
}, nil
},
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{imagesPruneFunc: tc.imagesPruneFunc})
cmd := NewPruneCommand(cli)
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.NilError(t, err)
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("prune-command-success.%s.golden", tc.name))
}
}