<?hh // strict

/**

* Copyright (c) 2015-present, Facebook, Inc.

* All rights reserved.

*

* This source code is licensed under the BSD-style license found in the

* LICENSE file in the root directory of this source tree. An additional grant

* of patent rights can be found in the PATENTS file in the same directory.

*/

abstract class CodegenBaseTest {

public static function assertTrue(

bool $value,

string $message = 'Expected true',

): void {

invariant($value, $message);

}

public static function assertFalse(

bool $value,

string $message = 'Expected false',

): void {

invariant(!$value, $message);

}

public static function assertEquals(

mixed $expected,

mixed $actual,

?string $message = null,

): void {

if ($message === null) {

$message = "Expected ".print_r($expected, true).

" but got ".print_r($actual, true). " instead";

}

invariant($expected === $actual, $message);

}

public static function assertUnchanged(

string $value,

?string $token = null,

): void {

$class_name = get_called_class();

$path = CodegenExpectedFile::getPath($class_name);

$expected = CodegenExpectedFile::parseFile($path);

$token = $token === null ? CodegenExpectedFile::findToken() : $token;

if ($expected->contains($token) && $expected[$token] === $value) {

return;

}

$new_expected = clone $expected;

$new_expected[$token] = $value;

CodegenExpectedFile::writeExpectedFile($path, $new_expected, $expected);

$expected = CodegenExpectedFile::parseFile($path);

invariant(

$expected->contains($token) && $expected[$token] === $value,

'New value not accepted by user',

);

}

}