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88 lines
2.1 KiB
88 lines
2.1 KiB
<?php declare(strict_types=1);
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/*
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* This file is part of PHPUnit.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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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 PHPUnit\Framework\Constraint;
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use function sprintf;
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use ReflectionClass;
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use ReflectionException;
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/**
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* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
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*/
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final class IsInstanceOf extends Constraint
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{
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/**
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* @var string
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*/
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private $className;
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public function __construct(string $className)
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{
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$this->className = $className;
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}
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/**
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* Returns a string representation of the constraint.
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*/
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public function toString(): string
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{
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return sprintf(
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'is instance of %s "%s"',
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$this->getType(),
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$this->className,
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);
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}
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/**
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* Evaluates the constraint for parameter $other. Returns true if the
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* constraint is met, false otherwise.
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*
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* @param mixed $other value or object to evaluate
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*/
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protected function matches($other): bool
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{
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return $other instanceof $this->className;
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}
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/**
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* Returns the description of the failure.
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*
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* The beginning of failure messages is "Failed asserting that" in most
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* cases. This method should return the second part of that sentence.
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*
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* @param mixed $other evaluated value or object
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*
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* @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
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*/
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protected function failureDescription($other): string
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{
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return sprintf(
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'%s is an instance of %s "%s"',
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$this->exporter()->shortenedExport($other),
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$this->getType(),
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$this->className,
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);
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}
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private function getType(): string
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{
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try {
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$reflection = new ReflectionClass($this->className);
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if ($reflection->isInterface()) {
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return 'interface';
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}
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} catch (ReflectionException $e) {
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}
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return 'class';
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}
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}
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