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<?php declare(strict_types=1);
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/*
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 * This file is part of sebastian/comparator.
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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 SebastianBergmann\Comparator;
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use RuntimeException;
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use SebastianBergmann\Diff\Differ;
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use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder;
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/**
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 * Thrown when an assertion for string equality failed.
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 */
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class ComparisonFailure extends RuntimeException
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{
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    /**
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     * Expected value of the retrieval which does not match $actual.
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     *
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     * @var mixed
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     */
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    protected $expected;
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    /**
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     * Actually retrieved value which does not match $expected.
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     *
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     * @var mixed
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     */
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    protected $actual;
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    /**
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     * The string representation of the expected value.
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     *
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     * @var string
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     */
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    protected $expectedAsString;
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    /**
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     * The string representation of the actual value.
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     *
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     * @var string
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     */
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    protected $actualAsString;
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    /**
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     * @var bool
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     */
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    protected $identical;
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    /**
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     * Optional message which is placed in front of the first line
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     * returned by toString().
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     *
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     * @var string
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     */
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    protected $message;
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    /**
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     * Initialises with the expected value and the actual value.
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     *
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     * @param mixed  $expected         expected value retrieved
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     * @param mixed  $actual           actual value retrieved
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     * @param string $expectedAsString
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     * @param string $actualAsString
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     * @param bool   $identical
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     * @param string $message          a string which is prefixed on all returned lines
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     *                                 in the difference output
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     */
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    public function __construct($expected, $actual, $expectedAsString, $actualAsString, $identical = false, $message = '')
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    {
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        $this->expected         = $expected;
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        $this->actual           = $actual;
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        $this->expectedAsString = $expectedAsString;
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        $this->actualAsString   = $actualAsString;
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        $this->message          = $message;
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    }
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    public function getActual()
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    {
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        return $this->actual;
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    }
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    public function getExpected()
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    {
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        return $this->expected;
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    }
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    /**
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     * @return string
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     */
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    public function getActualAsString()
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    {
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        return $this->actualAsString;
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    }
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    /**
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     * @return string
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     */
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    public function getExpectedAsString()
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    {
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        return $this->expectedAsString;
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    }
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    /**
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     * @return string
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     */
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    public function getDiff()
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    {
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        if (!$this->actualAsString && !$this->expectedAsString) {
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            return '';
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        }
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        $differ = new Differ(new UnifiedDiffOutputBuilder("\n--- Expected\n+++ Actual\n"));
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        return $differ->diff($this->expectedAsString, $this->actualAsString);
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    }
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    /**
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     * @return string
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     */
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    public function toString()
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    {
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        return $this->message . $this->getDiff();
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    }
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}