<?php
/*
* This file is part of the Comparator package.
*
* (c) Sebastian Bergmann <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Comparator;
/**
* Compares arrays for equality.
*/
class ArrayComparator extends Comparator
{
/**
* Returns whether the comparator can compare two values.
*
* @param mixed $expected The first value to compare
* @param mixed $actual The second value to compare
* @return bool
*/
public function accepts($expected, $actual)
{
return is_array($expected) && is_array($actual);
}
/**
* Asserts that two values are equal.
*
* @param mixed $expected First value to compare
* @param mixed $actual Second value to compare
* @param float $delta Allowed numerical distance between two values to consider them equal
* @param bool $canonicalize Arrays are sorted before comparison when set to true
* @param bool $ignoreCase Case is ignored when set to true
* @param array $processed List of already processed elements (used to prevent infinite recursion)
*
* @throws ComparisonFailure
*/
public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false, array &$processed = array())
{
if ($canonicalize) {
sort($expected);
sort($actual);
}
$remaining = $actual;
$expString = $actString = "Array (\n";
$equal = true;
foreach ($expected as $key => $value) {
unset($remaining[$key]);
if (!array_key_exists($key, $actual)) {
$expString .= sprintf(
" %s => %s\n",
$this->exporter->export($key),
$this->exporter->shortenedExport($value)
);
$equal = false;
continue;
}
try {
$comparator = $this->factory->getComparatorFor($value, $actual[$key]);
$comparator->assertEquals($value, $actual[$key], $delta, $canonicalize, $ignoreCase, $processed);
$expString .= sprintf(
" %s => %s\n",
$this->exporter->export($key),
$this->exporter->shortenedExport($value)
);
$actString .= sprintf(
" %s => %s\n",
$this->exporter->export($key),
$this->exporter->shortenedExport($actual[$key])
);
} catch (ComparisonFailure $e) {
$expString .= sprintf(
" %s => %s\n",
$this->exporter->export($key),
$e->getExpectedAsString()
? $this->indent($e->getExpectedAsString())
: $this->exporter->shortenedExport($e->getExpected())
);
$actString .= sprintf(
" %s => %s\n",
$this->exporter->export($key),
$e->getActualAsString()
? $this->indent($e->getActualAsString())
: $this->exporter->shortenedExport($e->getActual())
);
$equal = false;
}
}
foreach ($remaining as $key => $value) {
$actString .= sprintf(
" %s => %s\n",
$this->exporter->export($key),
$this->exporter->shortenedExport($value)
);
$equal = false;
}
$expString .= ')';
$actString .= ')';
if (!$equal) {
throw new ComparisonFailure(
$expected,
$actual,
$expString,
$actString,
false,
'Failed asserting that two arrays are equal.'
);
}
}
protected function indent($lines)
{
return trim(str_replace("\n", "\n ", $lines));
}
}
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