phpDocumentor\Reflection\PregSplitTest

Complexity

Total Complexity

4

Size/Duplication

Total Lines	37
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	tearDown()	0	8	2
A	testSimplePregSplit()	0	6	1
A	testPregSplitThrowsOnError()	0	9	1

<?php

declare(strict_types=1);

namespace phpDocumentor\Reflection;

use phpDocumentor\Reflection\Exception\PcreException;
use PHPUnit\Framework\TestCase;
use function preg_split;
use function set_error_handler;
use const E_WARNING;

final class PregSplitTest extends TestCase
{
    /** @var callable|null */
    private $errorHandler = null;

    protected function tearDown() : void
    {
        if ($this->errorHandler === null) {
            return;
        }

        set_error_handler($this->errorHandler, E_WARNING);
    }

    /**
     * @covers \phpDocumentor\Reflection\Utils::pregSplit
     */
    public function testSimplePregSplit() : void
    {
        $result = Utils::pregSplit('/\s/', 'word split');

        $this->assertSame(['word', 'split'], $result);
    }

    /**
     * @covers \phpDocumentor\Reflection\Utils::pregSplit
     */
    public function testPregSplitThrowsOnError() : void
    {
        //We need to disable the error handler for phpunit... because we expect some errors here
        $this->errorHandler = set_error_handler(static function () : void {
        }, E_WARNING);

        $this->expectException(PcreException::class);
        Utils::pregSplit('~InvalidRegular)Expression~', 'some word');
    }
}