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moby--moby/runconfig/exec_test.go

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package runconfig
import (
"fmt"
"io/ioutil"
"testing"
flag "github.com/docker/docker/pkg/mflag"
)
type arguments struct {
args []string
}
func TestParseExec(t *testing.T) {
invalids := map[*arguments]error{
&arguments{[]string{"-unknown"}}: fmt.Errorf("flag provided but not defined: -unknown"),
&arguments{[]string{"-u"}}: fmt.Errorf("flag needs an argument: -u"),
&arguments{[]string{"--user"}}: fmt.Errorf("flag needs an argument: --user"),
}
valids := map[*arguments]*ExecConfig{
&arguments{
[]string{"container", "command"},
}: {
Container: "container",
Cmd: []string{"command"},
AttachStdout: true,
AttachStderr: true,
},
&arguments{
[]string{"container", "command1", "command2"},
}: {
Container: "container",
Cmd: []string{"command1", "command2"},
AttachStdout: true,
AttachStderr: true,
},
&arguments{
[]string{"-i", "-t", "-u", "uid", "container", "command"},
}: {
User: "uid",
AttachStdin: true,
AttachStdout: true,
AttachStderr: true,
Tty: true,
Container: "container",
Cmd: []string{"command"},
},
&arguments{
[]string{"-d", "container", "command"},
}: {
AttachStdin: false,
AttachStdout: false,
AttachStderr: false,
Detach: true,
Container: "container",
Cmd: []string{"command"},
},
&arguments{
[]string{"-t", "-i", "-d", "container", "command"},
}: {
AttachStdin: false,
AttachStdout: false,
AttachStderr: false,
Detach: true,
Tty: true,
Container: "container",
Cmd: []string{"command"},
},
}
for invalid, expectedError := range invalids {
cmd := flag.NewFlagSet("exec", flag.ContinueOnError)
cmd.ShortUsage = func() {}
cmd.SetOutput(ioutil.Discard)
_, err := ParseExec(cmd, invalid.args)
if err == nil || err.Error() != expectedError.Error() {
t.Fatalf("Expected an error [%v] for %v, got %v", expectedError, invalid, err)
}
}
for valid, expectedExecConfig := range valids {
cmd := flag.NewFlagSet("exec", flag.ContinueOnError)
cmd.ShortUsage = func() {}
cmd.SetOutput(ioutil.Discard)
execConfig, err := ParseExec(cmd, valid.args)
if err != nil {
t.Fatal(err)
}
if !compareExecConfig(expectedExecConfig, execConfig) {
t.Fatalf("Expected [%v] for %v, got [%v]", expectedExecConfig, valid, execConfig)
}
}
}
func compareExecConfig(config1 *ExecConfig, config2 *ExecConfig) bool {
if config1.AttachStderr != config2.AttachStderr {
return false
}
if config1.AttachStdin != config2.AttachStdin {
return false
}
if config1.AttachStdout != config2.AttachStdout {
return false
}
if config1.Container != config2.Container {
return false
}
if config1.Detach != config2.Detach {
return false
}
if config1.Privileged != config2.Privileged {
return false
}
if config1.Tty != config2.Tty {
return false
}
if config1.User != config2.User {
return false
}
if len(config1.Cmd) != len(config2.Cmd) {
return false
}
for index, value := range config1.Cmd {
if value != config2.Cmd[index] {
return false
}
}
return true
}