1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
package kong
import (
"os"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/alecthomas/assert/v2"
)
func TestConfigFlag(t *testing.T) {
var cli struct {
Config ConfigFlag
Flag string
}
w, err := os.CreateTemp("", "")
assert.NoError(t, err)
defer os.Remove(w.Name())
w.WriteString(`{"flag": "hello world"}`) //nolint: errcheck
w.Close()
p := Must(&cli, Configuration(JSON))
_, err = p.Parse([]string{"--config", w.Name()})
assert.NoError(t, err)
assert.Equal(t, "hello world", cli.Flag)
}
func TestVersionFlag(t *testing.T) {
var cli struct {
Version VersionFlag
}
w := &strings.Builder{}
p := Must(&cli, Vars{"version": "0.1.1"})
p.Stdout = w
called := 1
p.Exit = func(s int) { called = s }
_, err := p.Parse([]string{"--version"})
assert.NoError(t, err)
assert.Equal(t, "0.1.1", strings.TrimSpace(w.String()))
assert.Equal(t, 0, called)
}
func TestChangeDirFlag(t *testing.T) {
cwd, err := os.Getwd()
assert.NoError(t, err)
defer os.Chdir(cwd) //nolint: errcheck
dir := t.TempDir()
file := filepath.Join(dir, "out.txt")
err = os.WriteFile(file, []byte("foobar"), 0o600)
assert.NoError(t, err)
var cli struct {
ChangeDir ChangeDirFlag `short:"C"`
Path string `arg:"" type:"existingfile"`
}
p := Must(&cli)
_, err = p.Parse([]string{"-C", dir, "out.txt"})
assert.NoError(t, err)
if runtime.GOOS != "windows" {
file, err = filepath.EvalSymlinks(file) // Needed because OSX uses a symlinked tmp dir.
assert.NoError(t, err)
}
assert.Equal(t, file, cli.Path)
}
|
