func parseRun(args []string) (*Config, *HostConfig, *flag.FlagSet, error) {
cmd := flag.NewFlagSet("run", flag.ContinueOnError)
cmd.SetOutput(ioutil.Discard)
cmd.Usage = nil
return Parse(cmd, args)
}
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: "******",
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)
}
}
}