DockerCLI/cmd/docker/docker_test.go

78 lines
2.0 KiB
Go

package main
import (
"bytes"
"context"
"io"
"os"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/debug"
"github.com/sirupsen/logrus"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestClientDebugEnabled(t *testing.T) {
defer debug.Disable()
ctx, cancel := context.WithCancel(context.TODO())
defer cancel()
cli, err := command.NewDockerCli(command.WithBaseContext(ctx))
assert.NilError(t, err)
tcmd := newDockerCommand(cli)
tcmd.SetFlag("debug", "true")
cmd, _, err := tcmd.HandleGlobalFlags()
assert.NilError(t, err)
assert.NilError(t, tcmd.Initialize())
err = cmd.PersistentPreRunE(cmd, []string{})
assert.NilError(t, err)
assert.Check(t, is.Equal("1", os.Getenv("DEBUG")))
assert.Check(t, is.Equal(logrus.DebugLevel, logrus.GetLevel()))
}
var discard = io.NopCloser(bytes.NewBuffer(nil))
func runCliCommand(t *testing.T, r io.ReadCloser, w io.Writer, args ...string) error {
t.Helper()
if r == nil {
r = discard
}
if w == nil {
w = io.Discard
}
ctx, cancel := context.WithCancel(context.TODO())
defer cancel()
cli, err := command.NewDockerCli(
command.WithBaseContext(ctx),
command.WithInputStream(r),
command.WithCombinedStreams(w))
assert.NilError(t, err)
tcmd := newDockerCommand(cli)
tcmd.SetArgs(args)
cmd, _, err := tcmd.HandleGlobalFlags()
assert.NilError(t, err)
assert.NilError(t, tcmd.Initialize())
return cmd.Execute()
}
func TestExitStatusForInvalidSubcommandWithHelpFlag(t *testing.T) {
err := runCliCommand(t, nil, nil, "help", "invalid")
assert.Error(t, err, "unknown help topic: invalid")
}
func TestExitStatusForInvalidSubcommand(t *testing.T) {
err := runCliCommand(t, nil, nil, "invalid")
assert.Check(t, is.ErrorContains(err, "docker: 'docker invalid' is not a docker command."))
}
func TestVersion(t *testing.T) {
var b bytes.Buffer
err := runCliCommand(t, nil, &b, "--version")
assert.NilError(t, err)
assert.Check(t, is.Contains(b.String(), "Docker version"))
}