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//go:build !go1.19
// +build !go1.19
package kong_test
import (
"bytes"
"testing"
"github.com/alecthomas/assert/v2"
"github.com/alecthomas/kong"
)
func TestCustomWrap(t *testing.T) {
var cli struct {
Flag string `help:"A string flag with very long help that wraps a lot and is verbose and is really verbose."`
}
w := bytes.NewBuffer(nil)
app := mustNew(t, &cli,
kong.Name("test-app"),
kong.Description("A test app."),
kong.HelpOptions{
WrapUpperBound: 50,
},
kong.Writers(w, w),
kong.Exit(func(int) {}),
)
_, err := app.Parse([]string{"--help"})
assert.NoError(t, err)
expected := `Usage: test-app
A test app.
Flags:
-h, --help Show context-sensitive
help.
--flag=STRING A string flag with very
long help that wraps a lot
and is verbose and is
really verbose.
`
t.Log(w.String())
t.Log(expected)
assert.Equal(t, expected, w.String())
}
|
