add a triggered errors assertion helper
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bridge\PhpUnit;
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/**
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* Test that your code triggers expected error messages.
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*
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* @author Christian Flothmann <christian.flothmann@xabbuh.de>
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*/
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final class ErrorAssert
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{
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/**
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* @param string[] $expectedMessages Expected deprecation messages
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* @param callable $testCode A callable that is expected to trigger the expected deprecation messages when being executed
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*/
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public static function assertDeprecationsAreTriggered($expectedMessages, $testCode)
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{
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if (!is_callable($testCode)) {
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throw new \InvalidArgumentException(sprintf('The code to be tested must be a valid callable ("%s" given).', gettype($testCode)));
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}
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self::assertErrorsAreTriggered(E_USER_DEPRECATED, $expectedMessages, $testCode);
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}
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/**
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* @param int $expectedType Expected triggered error type (pass one of PHP's E_* constants)
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* @param string[] $expectedMessages Expected error messages
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* @param callable $testCode A callable that is expected to trigger the expected messages when being executed
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*/
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public static function assertErrorsAreTriggered($expectedType, $expectedMessages, $testCode)
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{
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if (!is_callable($testCode)) {
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throw new \InvalidArgumentException(sprintf('The code to be tested must be a valid callable ("%s" given).', gettype($testCode)));
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}
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$triggeredMessages = array();
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try {
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$prevHandler = set_error_handler(function ($type, $message, $file, $line, $context) use ($expectedType, &$triggeredMessages, &$prevHandler) {
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if ($expectedType !== $type) {
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return null !== $prevHandler && call_user_func($prevHandler, $type, $message, $file, $line, $context);
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}
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$triggeredMessages[] = $message;
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});
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$testCode();
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} finally {
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restore_error_handler();
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}
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\PHPUnit_Framework_Assert::assertCount(count($expectedMessages), $triggeredMessages);
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for ($i = 0; $i < count($triggeredMessages); ++$i) {
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\PHPUnit_Framework_Assert::assertContains($expectedMessages[$i], $triggeredMessages[$i]);
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}
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}
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}
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