DockerCLI/cli/command/image/pull_test.go

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package image
import (
"fmt"
"io/ioutil"
"testing"
"github.com/docker/cli/cli/internal/test"
"github.com/docker/docker/pkg/testutil"
"github.com/docker/docker/pkg/testutil/golden"
"github.com/stretchr/testify/assert"
)
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"},
},
{
name: "pull-error",
args: []string{"--disable-content-trust=false", "image:tag"},
expectedError: "you are not authorized to perform this operation: server returned 401.",
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{})
cmd := NewPullCommand(cli)
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
testutil.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestNewPullCommandSuccess(t *testing.T) {
testCases := []struct {
name string
args []string
}{
{
name: "simple",
args: []string{"image:tag"},
},
{
name: "simple-no-tag",
args: []string{"image"},
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{})
cmd := NewPullCommand(cli)
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.NoError(t, err)
actual := cli.OutBuffer().String()
expected := string(golden.Get(t, []byte(actual), fmt.Sprintf("pull-command-success.%s.golden", tc.name))[:])
testutil.EqualNormalizedString(t, testutil.RemoveSpace, actual, expected)
}
}