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<?php |
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/** |
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* This file is part of expect package. |
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* |
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* (c) Noritaka Horio <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace expect\matcher; |
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use Exception; |
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use expect\FailedMessage; |
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/** |
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* Verify whether an exception is thrown. |
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* |
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* <code> |
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* $matcher = new ToThrow('RuntimeException'); |
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* $matcher->match(function() { throw new RuntimeException() }); //return true |
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* |
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* $matcher->match(function() { throw new Exception() }); //return false |
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* <code> |
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* |
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* @author Noritaka Horio <[email protected]> |
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* @copyright Noritaka Horio <[email protected]> |
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*/ |
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final class ToThrow implements ReportableMatcher |
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{ |
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/** |
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* @var callable |
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*/ |
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private $actual; |
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/** |
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* @var string |
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*/ |
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private $expected; |
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/** |
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* @var Exception|null |
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*/ |
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private $thrownException; |
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/** |
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* Create a new matcher. |
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* |
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* @param string $expected |
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*/ |
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public function __construct($expected) |
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{ |
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$this->expected = $expected; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function match($actual) |
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{ |
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$this->actual = $actual; |
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try { |
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$actual(); |
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} catch (Exception $exception) { |
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$this->thrownException = $exception; |
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} |
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return $this->thrownException instanceof $this->expected; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function reportFailed(FailedMessage $message) |
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{ |
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$explanation = 'none thrown'; |
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if ($this->thrownException) { |
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$class = get_class($this->thrownException); |
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$explanation = "got $class"; |
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} |
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$message->appendText('Expected ') |
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->appendText($this->expected) |
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->appendText(' to be thrown, ') |
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->appendText($explanation); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function reportNegativeFailed(FailedMessage $message) |
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{ |
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$message->appendText('Expected ') |
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->appendText($this->expected) |
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->appendText(' not to be thrown'); |
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} |
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} |
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expectation-php /
expect
