test cases for `docker manifest ls`

Signed-off-by: Wayne Cheng <zhengwei@tiduyun.com>

cli/command/manifest/list_test.go

@@ -0,0 +1,102 @@
+package manifest
+
+import (
+	"io"
+	"testing"
+
+	"github.com/docker/cli/cli/manifest/store"
+	"github.com/docker/cli/internal/test"
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/filters"
+
+	"gotest.tools/v3/assert"
+	"gotest.tools/v3/golden"
+)
+
+func TestListErrors(t *testing.T) {
+	manifestStore := store.NewStore(t.TempDir())
+
+	testCases := []struct {
+		description   string
+		args          []string
+		flags         map[string]string
+		expectedError string
+	}{
+		{
+			description:   "too many arguments",
+			args:          []string{"foo"},
+			expectedError: "accepts no arguments",
+		},
+		{
+			description: "invalid format",
+			args:        []string{},
+			flags: map[string]string{
+				"format": "{{invalid format}}",
+			},
+			expectedError: "template parsing error",
+		},
+	}
+
+	for _, tc := range testCases {
+		cli := test.NewFakeCli(nil)
+		cli.SetManifestStore(manifestStore)
+		cmd := newListCommand(cli)
+		cmd.SetArgs(tc.args)
+		for key, value := range tc.flags {
+			cmd.Flags().Set(key, value)
+		}
+		cmd.SetOut(io.Discard)
+		assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
+	}
+}
+
+func TestList(t *testing.T) {
+	manifestStore := store.NewStore(t.TempDir())
+
+	list1 := ref(t, "first:1")
+	namedRef := ref(t, "alpine:3.0")
+	err := manifestStore.Save(list1, namedRef, fullImageManifest(t, namedRef))
+	assert.NilError(t, err)
+	namedRef = ref(t, "alpine:3.1")
+	err = manifestStore.Save(list1, namedRef, fullImageManifest(t, namedRef))
+	assert.NilError(t, err)
+
+	list2 := ref(t, "second:2")
+	namedRef = ref(t, "alpine:3.2")
+	err = manifestStore.Save(list2, namedRef, fullImageManifest(t, namedRef))
+	assert.NilError(t, err)
+
+	testCases := []struct {
+		description string
+		args        []string
+		flags       map[string]string
+		golden      string
+		listFunc    func(filter filters.Args) (types.PluginsListResponse, error)
+	}{
+		{
+			description: "list with no additional flags",
+			args:        []string{},
+			golden:      "manifest-list.golden",
+		},
+		{
+			description: "list with quiet option",
+			args:        []string{},
+			flags: map[string]string{
+				"quiet": "true",
+			},
+			golden: "manifest-list-with-quiet-option.golden",
+		},
+	}
+
+	for _, tc := range testCases {
+		cli := test.NewFakeCli(nil)
+		cli.SetManifestStore(manifestStore)
+		cmd := newListCommand(cli)
+		cmd.SetArgs(tc.args)
+		for key, value := range tc.flags {
+			cmd.Flags().Set(key, value)
+		}
+		assert.NilError(t, cmd.Execute())
+		golden.Assert(t, cli.OutBuffer().String(), tc.golden)
+	}
+}

cli/command/manifest/testdata/manifest-list-with-quiet-option.golden

@@ -0,0 +1,2 @@
+example.com/first:1
+example.com/second:2

cli/command/manifest/testdata/manifest-list.golden

@@ -0,0 +1,3 @@
+REPOSITORY           TAG
+example.com/first    1
+example.com/second   2