Alec Thomas
fdc7230e22
This allows help to be called even when the parse trace is invalid. Without this, the command-line would have to be valid in order to use help at all, which defeats the purpose.
32 lines
571 B
Go
32 lines
571 B
Go
package kong
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import (
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"bytes"
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestHelp(t *testing.T) {
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var cli struct {
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String string `kong:"help='A string flag.'"`
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Bool bool `kong:"help='A bool flag.'"`
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One struct {
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} `kong:"cmd"`
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}
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w := bytes.NewBuffer(nil)
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exited := false
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app := mustNew(t, &cli,
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Name("test-app"),
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Description("A test app."),
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Writers(w, w),
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ExitFunction(func(int) { exited = true }),
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)
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_, err := app.Parse([]string{"--help"})
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require.NoError(t, err)
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require.True(t, exited)
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fmt.Println(w.String())
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}
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