Function TestDuplicatePersistentFlagUsesEnvSource

command_test.go:3783–3823

(t *testing.T)

}

func TestDuplicatePersistentFlagUsesEnvSource(t *testing.T) {
	t.Setenv("APP_RESULT", "from-env")

	resultFlag := &StringFlag{
		Name:     "result",
		Sources:  EnvVars("APP_RESULT"),
		Required: true,
	}

	var beforeResult string
	var actionResult string
	app := &Command{
		Name: "root",
		Flags: []Flag{
			resultFlag,
		},
		Before: func(_ context.Context, cmd *Command) (context.Context, error) {
			beforeResult = cmd.String("result")
			return nil, nil
		},
		Commands: []*Command{
			{
				Name: "sub",
				Flags: []Flag{
					resultFlag,
				},
				Action: func(_ context.Context, cmd *Command) error {
					actionResult = cmd.String("result")
					return nil
				},
			},
		},
	}

	err := app.Run(context.Background(), []string{"root", "sub"})
	require.NoError(t, err)
	require.Equal(t, "from-env", beforeResult)
	require.Equal(t, "from-env", actionResult)
	require.True(t, app.IsSet("result"))
	require.True(t, app.Command("sub").IsSet("result"))
}

func TestRequiredFlagDelayed(t *testing.T) {
	sf := &StringFlag{