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@ -178,6 +178,38 @@ func TestCommand_OnUsageError_WithWrongFlagValue(t *testing.T) {
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}
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}
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}
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}
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func TestCommand_OnUsageError_WithSubcommand(t *testing.T) {
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app := NewApp()
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app.Commands = []Command{
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{
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Name: "bar",
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Subcommands: []Command{
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{
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Name: "baz",
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},
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},
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Flags: []Flag{
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IntFlag{Name: "flag"},
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},
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OnUsageError: func(c *Context, err error, _ bool) error {
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if !strings.HasPrefix(err.Error(), "invalid value \"wrong\"") {
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t.Errorf("Expect an invalid value error, but got \"%v\"", err)
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}
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return errors.New("intercepted: " + err.Error())
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},
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},
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}
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err := app.Run([]string{"foo", "bar", "--flag=wrong"})
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if err == nil {
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t.Fatalf("expected to receive error from Run, got none")
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}
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if !strings.HasPrefix(err.Error(), "intercepted: invalid value") {
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t.Errorf("Expect an intercepted error, but got \"%v\"", err)
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}
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}
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func TestCommand_Run_SubcommandsCanUseErrWriter(t *testing.T) {
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func TestCommand_Run_SubcommandsCanUseErrWriter(t *testing.T) {
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app := NewApp()
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app := NewApp()
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app.ErrWriter = ioutil.Discard
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app.ErrWriter = ioutil.Discard
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