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92 lines
2.2 KiB
92 lines
2.2 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 PHPUnit\Framework\ExpectationFailedException;
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use Traversable;
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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 TraversableContainsOnly extends Constraint
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{
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/**
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* @var Constraint
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*/
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private $constraint;
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/**
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* @var string
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*/
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private $type;
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/**
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* @throws \PHPUnit\Framework\Exception
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*/
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public function __construct(string $type, bool $isNativeType = true)
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{
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if ($isNativeType) {
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$this->constraint = new IsType($type);
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} else {
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$this->constraint = new IsInstanceOf(
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$type,
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);
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}
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$this->type = $type;
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}
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/**
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* Evaluates the constraint for parameter $other.
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*
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* If $returnResult is set to false (the default), an exception is thrown
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* in case of a failure. null is returned otherwise.
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*
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* If $returnResult is true, the result of the evaluation is returned as
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* a boolean value instead: true in case of success, false in case of a
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* failure.
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*
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* @param mixed|Traversable $other
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*
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* @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
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* @throws ExpectationFailedException
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*/
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public function evaluate($other, string $description = '', bool $returnResult = false): ?bool
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{
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$success = true;
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foreach ($other as $item) {
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if (!$this->constraint->evaluate($item, '', true)) {
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$success = false;
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break;
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}
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}
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if ($returnResult) {
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return $success;
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}
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if (!$success) {
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$this->fail($other, $description);
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}
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return null;
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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 'contains only values of type "' . $this->type . '"';
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}
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}
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