blob: a093e1588e202e376dfbc32841d7da1d64b7ebbb [file] [log] [blame]
package flags
import (
"fmt"
"testing"
)
func TestCommandInline(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
Command struct {
G bool `short:"g"`
} `command:"cmd"`
}{}
p, ret := assertParserSuccess(t, &opts, "-v", "cmd", "-g")
assertStringArray(t, ret, []string{})
if p.Active == nil {
t.Errorf("Expected active command")
}
if !opts.Value {
t.Errorf("Expected Value to be true")
}
if !opts.Command.G {
t.Errorf("Expected Command.G to be true")
}
if p.Command.Find("cmd") != p.Active {
t.Errorf("Expected to find command `cmd' to be active")
}
}
func TestCommandInlineMulti(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
C1 struct {
} `command:"c1"`
C2 struct {
G bool `short:"g"`
} `command:"c2"`
}{}
p, ret := assertParserSuccess(t, &opts, "-v", "c2", "-g")
assertStringArray(t, ret, []string{})
if p.Active == nil {
t.Errorf("Expected active command")
}
if !opts.Value {
t.Errorf("Expected Value to be true")
}
if !opts.C2.G {
t.Errorf("Expected C2.G to be true")
}
if p.Command.Find("c1") == nil {
t.Errorf("Expected to find command `c1'")
}
if c2 := p.Command.Find("c2"); c2 == nil {
t.Errorf("Expected to find command `c2'")
} else if c2 != p.Active {
t.Errorf("Expected to find command `c2' to be active")
}
}
func TestCommandFlagOrder1(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
Command struct {
G bool `short:"g"`
} `command:"cmd"`
}{}
assertParseFail(t, ErrUnknownFlag, "unknown flag `g'", &opts, "-v", "-g", "cmd")
}
func TestCommandFlagOrder2(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
Command struct {
G bool `short:"g"`
} `command:"cmd"`
}{}
assertParseFail(t, ErrUnknownFlag, "unknown flag `v'", &opts, "cmd", "-v", "-g")
}
func TestCommandEstimate(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
Cmd1 struct {
} `command:"remove"`
Cmd2 struct {
} `command:"add"`
}{}
p := NewParser(&opts, None)
_, err := p.ParseArgs([]string{})
assertError(t, err, ErrCommandRequired, "Please specify one command of: add or remove")
}
func TestCommandEstimate2(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
Cmd1 struct {
} `command:"remove"`
Cmd2 struct {
} `command:"add"`
}{}
p := NewParser(&opts, None)
_, err := p.ParseArgs([]string{"rmive"})
assertError(t, err, ErrUnknownCommand, "Unknown command `rmive', did you mean `remove'?")
}
type testCommand struct {
G bool `short:"g"`
Executed bool
EArgs []string
}
func (c *testCommand) Execute(args []string) error {
c.Executed = true
c.EArgs = args
return nil
}
func TestCommandExecute(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
Command testCommand `command:"cmd"`
}{}
assertParseSuccess(t, &opts, "-v", "cmd", "-g", "a", "b")
if !opts.Value {
t.Errorf("Expected Value to be true")
}
if !opts.Command.Executed {
t.Errorf("Did not execute command")
}
if !opts.Command.G {
t.Errorf("Expected Command.C to be true")
}
assertStringArray(t, opts.Command.EArgs, []string{"a", "b"})
}
func TestCommandClosest(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
Cmd1 struct {
} `command:"remove"`
Cmd2 struct {
} `command:"add"`
}{}
args := assertParseFail(t, ErrUnknownCommand, "Unknown command `addd', did you mean `add'?", &opts, "-v", "addd")
assertStringArray(t, args, []string{"addd"})
}
func TestCommandAdd(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
}{}
var cmd = struct {
G bool `short:"g"`
}{}
p := NewParser(&opts, Default)
c, err := p.AddCommand("cmd", "", "", &cmd)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
return
}
ret, err := p.ParseArgs([]string{"-v", "cmd", "-g", "rest"})
if err != nil {
t.Fatalf("Unexpected error: %v", err)
return
}
assertStringArray(t, ret, []string{"rest"})
if !opts.Value {
t.Errorf("Expected Value to be true")
}
if !cmd.G {
t.Errorf("Expected Command.G to be true")
}
if p.Command.Find("cmd") != c {
t.Errorf("Expected to find command `cmd'")
}
if p.Commands()[0] != c {
t.Errorf("Expected command %#v, but got %#v", c, p.Commands()[0])
}
if c.Options()[0].ShortName != 'g' {
t.Errorf("Expected short name `g' but got %v", c.Options()[0].ShortName)
}
}
func TestCommandNestedInline(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
Command struct {
G bool `short:"g"`
Nested struct {
N string `long:"n"`
} `command:"nested"`
} `command:"cmd"`
}{}
p, ret := assertParserSuccess(t, &opts, "-v", "cmd", "-g", "nested", "--n", "n", "rest")
assertStringArray(t, ret, []string{"rest"})
if !opts.Value {
t.Errorf("Expected Value to be true")
}
if !opts.Command.G {
t.Errorf("Expected Command.G to be true")
}
assertString(t, opts.Command.Nested.N, "n")
if c := p.Command.Find("cmd"); c == nil {
t.Errorf("Expected to find command `cmd'")
} else {
if c != p.Active {
t.Errorf("Expected `cmd' to be the active parser command")
}
if nested := c.Find("nested"); nested == nil {
t.Errorf("Expected to find command `nested'")
} else if nested != c.Active {
t.Errorf("Expected to find command `nested' to be the active `cmd' command")
}
}
}
func TestRequiredOnCommand(t *testing.T) {
var opts = struct {
Value bool `short:"v" required:"true"`
Command struct {
G bool `short:"g"`
} `command:"cmd"`
}{}
assertParseFail(t, ErrRequired, fmt.Sprintf("the required flag `%cv' was not specified", defaultShortOptDelimiter), &opts, "cmd")
}
func TestRequiredAllOnCommand(t *testing.T) {
var opts = struct {
Value bool `short:"v" required:"true"`
Missing bool `long:"missing" required:"true"`
Command struct {
G bool `short:"g"`
} `command:"cmd"`
}{}
assertParseFail(t, ErrRequired, fmt.Sprintf("the required flags `%smissing' and `%cv' were not specified", defaultLongOptDelimiter, defaultShortOptDelimiter), &opts, "cmd")
}
func TestDefaultOnCommand(t *testing.T) {
var opts = struct {
Command struct {
G bool `short:"g" default:"true"`
} `command:"cmd"`
}{}
assertParseSuccess(t, &opts, "cmd")
if !opts.Command.G {
t.Errorf("Expected G to be true")
}
}
func TestSubcommandsOptional(t *testing.T) {
var opts = struct {
Value bool `short:"v"`
Cmd1 struct {
} `command:"remove"`
Cmd2 struct {
} `command:"add"`
}{}
p := NewParser(&opts, None)
p.SubcommandsOptional = true
_, err := p.ParseArgs([]string{"-v"})
if err != nil {
t.Fatalf("Unexpected error: %v", err)
return
}
if !opts.Value {
t.Errorf("Expected Value to be true")
}
}
func TestCommandAlias(t *testing.T) {
var opts = struct {
Command struct {
G bool `short:"g" default:"true"`
} `command:"cmd" alias:"cm"`
}{}
assertParseSuccess(t, &opts, "cm")
if !opts.Command.G {
t.Errorf("Expected G to be true")
}
}