VarDumperTestTrait.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\VarDumper\Test;
use Symfony\Component\VarDumper\Cloner\VarCloner;
use Symfony\Component\VarDumper\Dumper\CliDumper;
/**
* @author Nicolas Grekas <p@tchwork.com>
*/
trait VarDumperTestTrait
{
/**
* @internal
*/
private $varDumperConfig = [
'casters' => [],
'flags' => null,
];
protected function setUpVarDumper(array $casters, ?int $flags = null): void
{
$this->varDumperConfig['casters'] = $casters;
$this->varDumperConfig['flags'] = $flags;
}
/**
* @after
*/
protected function tearDownVarDumper(): void
{
$this->varDumperConfig['casters'] = [];
$this->varDumperConfig['flags'] = null;
}
public function assertDumpEquals($expected, $data, int $filter = 0, string $message = '')
{
$this->assertSame($this->prepareExpectation($expected, $filter), $this->getDump($data, null, $filter), $message);
}
public function assertDumpMatchesFormat($expected, $data, int $filter = 0, string $message = '')
{
$this->assertStringMatchesFormat($this->prepareExpectation($expected, $filter), $this->getDump($data, null, $filter), $message);
}
protected function getDump($data, $key = null, int $filter = 0): ?string
{
if (null === $flags = $this->varDumperConfig['flags']) {
$flags = getenv('DUMP_LIGHT_ARRAY') ? CliDumper::DUMP_LIGHT_ARRAY : 0;
$flags |= getenv('DUMP_STRING_LENGTH') ? CliDumper::DUMP_STRING_LENGTH : 0;
$flags |= getenv('DUMP_COMMA_SEPARATOR') ? CliDumper::DUMP_COMMA_SEPARATOR : 0;
}
$cloner = new VarCloner();
$cloner->addCasters($this->varDumperConfig['casters']);
$cloner->setMaxItems(-1);
$dumper = new CliDumper(null, null, $flags);
$dumper->setColors(false);
$data = $cloner->cloneVar($data, $filter)->withRefHandles(false);
if (null !== $key && null === $data = $data->seek($key)) {
return null;
}
return rtrim($dumper->dump($data, true));
}
private function prepareExpectation($expected, int $filter): string
{
if (!\is_string($expected)) {
$expected = $this->getDump($expected, null, $filter);
}
return rtrim($expected);
}
}