DockerCLI/cli/command/manifest/create_test.go

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package manifest
import (
"io/ioutil"
"testing"
manifesttypes "github.com/docker/cli/cli/manifest/types"
"github.com/docker/cli/internal/test"
"github.com/docker/distribution/reference"
"github.com/gotestyourself/gotestyourself/assert"
is "github.com/gotestyourself/gotestyourself/assert/cmp"
"github.com/gotestyourself/gotestyourself/golden"
"github.com/pkg/errors"
"golang.org/x/net/context"
)
func TestManifestCreateErrors(t *testing.T) {
testCases := []struct {
args []string
expectedError string
}{
{
args: []string{"too-few-arguments"},
expectedError: "requires at least 2 arguments",
},
{
args: []string{"th!si'sa/fa!ke/li$t/name", "example.com/alpine:3.0"},
expectedError: "error parsing name for manifest list",
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(nil)
cmd := newCreateListCommand(cli)
cmd.SetArgs(tc.args)
cmd.SetOutput(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
// create a manifest list, then overwrite it, and inspect to see if the old one is still there
func TestManifestCreateAmend(t *testing.T) {
store, cleanup := newTempManifestStore(t)
defer cleanup()
cli := test.NewFakeCli(nil)
cli.SetManifestStore(store)
namedRef := ref(t, "alpine:3.0")
imageManifest := fullImageManifest(t, namedRef)
err := store.Save(ref(t, "list:v1"), namedRef, imageManifest)
assert.NilError(t, err)
namedRef = ref(t, "alpine:3.1")
imageManifest = fullImageManifest(t, namedRef)
err = store.Save(ref(t, "list:v1"), namedRef, imageManifest)
assert.NilError(t, err)
cmd := newCreateListCommand(cli)
cmd.SetArgs([]string{"example.com/list:v1", "example.com/alpine:3.1"})
cmd.Flags().Set("amend", "true")
cmd.SetOutput(ioutil.Discard)
err = cmd.Execute()
assert.NilError(t, err)
// make a new cli to clear the buffers
cli = test.NewFakeCli(nil)
cli.SetManifestStore(store)
inspectCmd := newInspectCommand(cli)
inspectCmd.SetArgs([]string{"example.com/list:v1"})
assert.NilError(t, inspectCmd.Execute())
actual := cli.OutBuffer()
expected := golden.Get(t, "inspect-manifest-list.golden")
assert.Check(t, is.Equal(string(expected), actual.String()))
}
// attempt to overwrite a saved manifest and get refused
func TestManifestCreateRefuseAmend(t *testing.T) {
store, cleanup := newTempManifestStore(t)
defer cleanup()
cli := test.NewFakeCli(nil)
cli.SetManifestStore(store)
namedRef := ref(t, "alpine:3.0")
imageManifest := fullImageManifest(t, namedRef)
err := store.Save(ref(t, "list:v1"), namedRef, imageManifest)
assert.NilError(t, err)
cmd := newCreateListCommand(cli)
cmd.SetArgs([]string{"example.com/list:v1", "example.com/alpine:3.0"})
cmd.SetOutput(ioutil.Discard)
err = cmd.Execute()
assert.Error(t, err, "refusing to amend an existing manifest list with no --amend flag")
}
// attempt to make a manifest list without valid images
func TestManifestCreateNoManifest(t *testing.T) {
store, cleanup := newTempManifestStore(t)
defer cleanup()
cli := test.NewFakeCli(nil)
cli.SetManifestStore(store)
cli.SetRegistryClient(&fakeRegistryClient{
getManifestFunc: func(_ context.Context, ref reference.Named) (manifesttypes.ImageManifest, error) {
return manifesttypes.ImageManifest{}, errors.Errorf("No such image: %v", ref)
},
getManifestListFunc: func(ctx context.Context, ref reference.Named) ([]manifesttypes.ImageManifest, error) {
return nil, errors.Errorf("No such manifest: %s", ref)
},
})
cmd := newCreateListCommand(cli)
cmd.SetArgs([]string{"example.com/list:v1", "example.com/alpine:3.0"})
cmd.SetOutput(ioutil.Discard)
err := cmd.Execute()
assert.Error(t, err, "No such image: example.com/alpine:3.0")
}