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vendor/sebastian/object-enumerator/tests/EnumeratorTest.php vendored Normal file
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<?php
/*
* This file is part of Object Enumerator.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\ObjectEnumerator;
use SebastianBergmann\ObjectEnumerator\Fixtures\ExceptionThrower;
/**
* @covers SebastianBergmann\ObjectEnumerator\Enumerator
*/
class EnumeratorTest extends \PHPUnit_Framework_TestCase
{
/**
* @var Enumerator
*/
private $enumerator;
protected function setUp()
{
$this->enumerator = new Enumerator;
}
public function testEnumeratesSingleObject()
{
$a = new \stdClass;
$objects = $this->enumerator->enumerate($a);
$this->assertCount(1, $objects);
$this->assertSame($a, $objects[0]);
}
public function testEnumeratesArrayWithSingleObject()
{
$a = new \stdClass;
$objects = $this->enumerator->enumerate([$a]);
$this->assertCount(1, $objects);
$this->assertSame($a, $objects[0]);
}
public function testEnumeratesArrayWithTwoReferencesToTheSameObject()
{
$a = new \stdClass;
$objects = $this->enumerator->enumerate([$a, $a]);
$this->assertCount(1, $objects);
$this->assertSame($a, $objects[0]);
}
public function testEnumeratesArrayOfObjects()
{
$a = new \stdClass;
$b = new \stdClass;
$objects = $this->enumerator->enumerate([$a, $b, null]);
$this->assertCount(2, $objects);
$this->assertSame($a, $objects[0]);
$this->assertSame($b, $objects[1]);
}
public function testEnumeratesObjectWithAggregatedObject()
{
$a = new \stdClass;
$b = new \stdClass;
$a->b = $b;
$a->c = null;
$objects = $this->enumerator->enumerate($a);
$this->assertCount(2, $objects);
$this->assertSame($a, $objects[0]);
$this->assertSame($b, $objects[1]);
}
public function testEnumeratesObjectWithAggregatedObjectsInArray()
{
$a = new \stdClass;
$b = new \stdClass;
$a->b = [$b];
$objects = $this->enumerator->enumerate($a);
$this->assertCount(2, $objects);
$this->assertSame($a, $objects[0]);
$this->assertSame($b, $objects[1]);
}
public function testEnumeratesObjectsWithCyclicReferences()
{
$a = new \stdClass;
$b = new \stdClass;
$a->b = $b;
$b->a = $a;
$objects = $this->enumerator->enumerate([$a, $b]);
$this->assertCount(2, $objects);
$this->assertSame($a, $objects[0]);
$this->assertSame($b, $objects[1]);
}
public function testEnumeratesClassThatThrowsException()
{
$thrower = new ExceptionThrower();
$objects = $this->enumerator->enumerate($thrower);
$this->assertSame($thrower, $objects[0]);
}
public function testExceptionIsRaisedForInvalidArgument()
{
$this->setExpectedException(InvalidArgumentException::class);
$this->enumerator->enumerate(null);
}
public function testExceptionIsRaisedForInvalidArgument2()
{
$this->setExpectedException(InvalidArgumentException::class);
$this->enumerator->enumerate([], '');
}
}