github.com/thajeztah/cli@v0.0.0-20240223162942-dc6bfac81a8b/cmd/docker/docker_test.go (about)

     1  package main
     2  
     3  import (
     4  	"bytes"
     5  	"io"
     6  	"os"
     7  	"testing"
     8  
     9  	"github.com/docker/cli/cli/command"
    10  	"github.com/docker/cli/cli/debug"
    11  	"github.com/sirupsen/logrus"
    12  	"gotest.tools/v3/assert"
    13  	is "gotest.tools/v3/assert/cmp"
    14  )
    15  
    16  func TestClientDebugEnabled(t *testing.T) {
    17  	defer debug.Disable()
    18  
    19  	cli, err := command.NewDockerCli()
    20  	assert.NilError(t, err)
    21  	tcmd := newDockerCommand(cli)
    22  	tcmd.SetFlag("debug", "true")
    23  	cmd, _, err := tcmd.HandleGlobalFlags()
    24  	assert.NilError(t, err)
    25  	assert.NilError(t, tcmd.Initialize())
    26  	err = cmd.PersistentPreRunE(cmd, []string{})
    27  	assert.NilError(t, err)
    28  	assert.Check(t, is.Equal("1", os.Getenv("DEBUG")))
    29  	assert.Check(t, is.Equal(logrus.DebugLevel, logrus.GetLevel()))
    30  }
    31  
    32  var discard = io.NopCloser(bytes.NewBuffer(nil))
    33  
    34  func runCliCommand(t *testing.T, r io.ReadCloser, w io.Writer, args ...string) error {
    35  	t.Helper()
    36  	if r == nil {
    37  		r = discard
    38  	}
    39  	if w == nil {
    40  		w = io.Discard
    41  	}
    42  	cli, err := command.NewDockerCli(command.WithInputStream(r), command.WithCombinedStreams(w))
    43  	assert.NilError(t, err)
    44  	tcmd := newDockerCommand(cli)
    45  
    46  	tcmd.SetArgs(args)
    47  	cmd, _, err := tcmd.HandleGlobalFlags()
    48  	assert.NilError(t, err)
    49  	assert.NilError(t, tcmd.Initialize())
    50  	return cmd.Execute()
    51  }
    52  
    53  func TestExitStatusForInvalidSubcommandWithHelpFlag(t *testing.T) {
    54  	err := runCliCommand(t, nil, nil, "help", "invalid")
    55  	assert.Error(t, err, "unknown help topic: invalid")
    56  }
    57  
    58  func TestExitStatusForInvalidSubcommand(t *testing.T) {
    59  	err := runCliCommand(t, nil, nil, "invalid")
    60  	assert.Check(t, is.ErrorContains(err, "docker: 'invalid' is not a docker command."))
    61  }
    62  
    63  func TestVersion(t *testing.T) {
    64  	var b bytes.Buffer
    65  	err := runCliCommand(t, nil, &b, "--version")
    66  	assert.NilError(t, err)
    67  	assert.Check(t, is.Contains(b.String(), "Docker version"))
    68  }