github.com/pwn-term/docker@v0.0.0-20210616085119-6e977cce2565/cli/cmd/docker/docker_test.go (about)

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