Abhinav Gupta
7391017a8c
io/ioutil has been deprecated for a while. Replace all uses of it with equivalent APIs.
54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package kong_test
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import (
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"encoding/json"
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"os"
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"testing"
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"github.com/alecthomas/assert/v2"
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"github.com/alecthomas/kong"
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)
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func TestMultipleConfigLoading(t *testing.T) {
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var cli struct {
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Flag string `json:"flag,omitempty"`
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}
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cli.Flag = "first"
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first, cleanFirst := makeConfig(t, &cli)
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defer cleanFirst()
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cli.Flag = ""
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second, cleanSecond := makeConfig(t, &cli)
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defer cleanSecond()
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p := mustNew(t, &cli, kong.Configuration(kong.JSON, first, second))
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_, err := p.Parse(nil)
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assert.NoError(t, err)
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assert.Equal(t, "first", cli.Flag)
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}
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func TestConfigValidation(t *testing.T) {
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var cli struct {
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Flag string `json:"flag,omitempty" enum:"valid" required:""`
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}
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cli.Flag = "invalid"
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conf, cleanConf := makeConfig(t, &cli)
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defer cleanConf()
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p := mustNew(t, &cli, kong.Configuration(kong.JSON, conf))
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_, err := p.Parse(nil)
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assert.Error(t, err)
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}
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func makeConfig(t *testing.T, config interface{}) (path string, cleanup func()) {
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t.Helper()
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w, err := os.CreateTemp("", "")
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assert.NoError(t, err)
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defer w.Close()
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err = json.NewEncoder(w).Encode(config)
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assert.NoError(t, err)
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return w.Name(), func() { os.Remove(w.Name()) }
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}
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