DockerCLI/cli/command/image/prune_test.go

132 lines
3.7 KiB
Go

package image
import (
"context"
"fmt"
"io"
"strings"
"testing"
"github.com/docker/cli/cli/streams"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/image"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/golden"
)
func TestNewPruneCommandErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
imagesPruneFunc func(pruneFilter filters.Args) (image.PruneReport, 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) (image.PruneReport, error) {
return image.PruneReport{}, errors.Errorf("something went wrong")
},
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
cmd := NewPruneCommand(test.NewFakeCli(&fakeClient{
imagesPruneFunc: tc.imagesPruneFunc,
}))
cmd.SetOut(io.Discard)
cmd.SetErr(io.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) (image.PruneReport, error)
}{
{
name: "all",
args: []string{"--all"},
imagesPruneFunc: func(pruneFilter filters.Args) (image.PruneReport, error) {
assert.Check(t, is.Equal("false", pruneFilter.Get("dangling")[0]))
return image.PruneReport{}, nil
},
},
{
name: "force-deleted",
args: []string{"--force"},
imagesPruneFunc: func(pruneFilter filters.Args) (image.PruneReport, error) {
assert.Check(t, is.Equal("true", pruneFilter.Get("dangling")[0]))
return image.PruneReport{
ImagesDeleted: []image.DeleteResponse{{Deleted: "image1"}},
SpaceReclaimed: 1,
}, nil
},
},
{
name: "label-filter",
args: []string{"--force", "--filter", "label=foobar"},
imagesPruneFunc: func(pruneFilter filters.Args) (image.PruneReport, error) {
assert.Check(t, is.Equal("foobar", pruneFilter.Get("label")[0]))
return image.PruneReport{}, nil
},
},
{
name: "force-untagged",
args: []string{"--force"},
imagesPruneFunc: func(pruneFilter filters.Args) (image.PruneReport, error) {
assert.Check(t, is.Equal("true", pruneFilter.Get("dangling")[0]))
return image.PruneReport{
ImagesDeleted: []image.DeleteResponse{{Untagged: "image1"}},
SpaceReclaimed: 2,
}, nil
},
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{imagesPruneFunc: tc.imagesPruneFunc})
// when prompted, answer "Y" to confirm the prune.
// will not be prompted if --force is used.
cli.SetIn(streams.NewIn(io.NopCloser(strings.NewReader("Y\n"))))
cmd := NewPruneCommand(cli)
cmd.SetOut(io.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))
})
}
}
func TestPrunePromptTermination(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{
imagesPruneFunc: func(pruneFilter filters.Args) (image.PruneReport, error) {
return image.PruneReport{}, errors.New("fakeClient imagesPruneFunc should not be called")
},
})
cmd := NewPruneCommand(cli)
cmd.SetArgs([]string{})
cmd.SetOut(io.Discard)
cmd.SetErr(io.Discard)
test.TerminatePrompt(ctx, t, cmd, cli)
}