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package image
import (
"fmt"
"io"
"io/ioutil"
"strings"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/cli/internal/test/notary"
"github.com/docker/docker/api/types"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/golden"
)
func TestNewPullCommandErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
}{
{
name: "wrong-args",
expectedError: "requires exactly 1 argument.",
args: []string{},
},
{
name: "invalid-name",
expectedError: "invalid reference format: repository name must be lowercase",
args: []string{"UPPERCASE_REPO"},
},
{
name: "all-tags-with-tag",
expectedError: "tag can't be used with --all-tags/-a",
args: []string{"--all-tags", "image:tag"},
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{})
cmd := NewPullCommand(cli)
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestNewPullCommandSuccess(t *testing.T) {
testCases := []struct {
name string
args []string
expectedTag string
}{
{
name: "simple",
args: []string{"image:tag"},
expectedTag: "image:tag",
},
{
name: "simple-no-tag",
args: []string{"image"},
expectedTag: "image:latest",
},
{
name: "simple-quiet",
args: []string{"--quiet", "image"},
expectedTag: "image:latest",
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{
imagePullFunc: func(ref string, options types.ImagePullOptions) (io.ReadCloser, error) {
assert.Check(t, is.Equal(tc.expectedTag, ref), tc.name)
return ioutil.NopCloser(strings.NewReader("")), nil
},
})
cmd := NewPullCommand(cli)
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.NilError(t, err)
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("pull-command-success.%s.golden", tc.name))
}
}
func TestNewPullCommandWithContentTrustErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
notaryFunc test.NotaryClientFuncType
}{
{
name: "offline-notary-server",
notaryFunc: notary.GetOfflineNotaryRepository,
expectedError: "client is offline",
args: []string{"image:tag"},
},
{
name: "uninitialized-notary-server",
notaryFunc: notary.GetUninitializedNotaryRepository,
expectedError: "remote trust data does not exist",
args: []string{"image:tag"},
},
{
name: "empty-notary-server",
notaryFunc: notary.GetEmptyTargetsNotaryRepository,
expectedError: "No valid trust data for tag",
args: []string{"image:tag"},
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{
imagePullFunc: func(ref string, options types.ImagePullOptions) (io.ReadCloser, error) {
return ioutil.NopCloser(strings.NewReader("")), fmt.Errorf("shouldn't try to pull image")
},
}, test.EnableContentTrust)
cli.SetNotaryClient(tc.notaryFunc)
cmd := NewPullCommand(cli)
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.ErrorContains(t, err, tc.expectedError)
}
}