/*
* MIT License
*
* Copyright (c) 2022 urfave/cli maintainers
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
 */
package errors

import (
	"os"
	"reflect"
	"runtime"
	"strings"
	"testing"

	"github.com/stretchr/testify/require"
)

var (
	wd, _        = os.Getwd()
	lastExitCode = 0
	fakeOsExiter = func(rc int) {
		lastExitCode = rc
	}
)

func expect(t *testing.T, a interface{}, b interface{}) {
	_, fn, line, _ := runtime.Caller(1)
	fn = strings.Replace(fn, wd+"/", "", -1)

	require.Equalf(t, a, b, "(%s:%d) Expected %v (type %v) - Got %v (type %v)", fn, line, b, reflect.TypeOf(b), a, reflect.TypeOf(a))
}

func TestHandleExitCoder_nil(t *testing.T) {
	exitCode := 0
	called := false

	OsExiter = func(rc int) {
		if !called {
			exitCode = rc
			called = true
		}
	}

	defer func() { OsExiter = fakeOsExiter }()

	HandleExitCoder(nil)

	expect(t, exitCode, 0)
	expect(t, called, false)
}

func TestHandleExitCoder_ExitCoder(t *testing.T) {
	exitCode := 0
	called := false

	OsExiter = func(rc int) {
		if !called {
			exitCode = rc
			called = true
		}
	}

	defer func() { OsExiter = fakeOsExiter }()

	HandleExitCoder(NewExitError("galactic perimeter breach", 9))

	expect(t, exitCode, 9)
	expect(t, called, true)
}