140 lines
3.3 KiB
PHP
140 lines
3.3 KiB
PHP
<?php
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/*
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* This file is part of Object Enumerator.
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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\ObjectEnumerator;
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use SebastianBergmann\ObjectEnumerator\Fixtures\ExceptionThrower;
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use PHPUnit\Framework\TestCase;
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/**
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* @covers SebastianBergmann\ObjectEnumerator\Enumerator
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*/
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class EnumeratorTest extends TestCase
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{
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/**
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* @var Enumerator
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*/
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private $enumerator;
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protected function setUp()
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{
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$this->enumerator = new Enumerator;
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}
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public function testEnumeratesSingleObject()
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{
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$a = new \stdClass;
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$objects = $this->enumerator->enumerate($a);
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$this->assertCount(1, $objects);
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$this->assertSame($a, $objects[0]);
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}
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public function testEnumeratesArrayWithSingleObject()
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{
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$a = new \stdClass;
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$objects = $this->enumerator->enumerate([$a]);
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$this->assertCount(1, $objects);
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$this->assertSame($a, $objects[0]);
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}
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public function testEnumeratesArrayWithTwoReferencesToTheSameObject()
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{
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$a = new \stdClass;
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$objects = $this->enumerator->enumerate([$a, $a]);
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$this->assertCount(1, $objects);
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$this->assertSame($a, $objects[0]);
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}
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public function testEnumeratesArrayOfObjects()
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{
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$a = new \stdClass;
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$b = new \stdClass;
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$objects = $this->enumerator->enumerate([$a, $b, null]);
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$this->assertCount(2, $objects);
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$this->assertSame($a, $objects[0]);
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$this->assertSame($b, $objects[1]);
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}
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public function testEnumeratesObjectWithAggregatedObject()
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{
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$a = new \stdClass;
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$b = new \stdClass;
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$a->b = $b;
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$a->c = null;
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$objects = $this->enumerator->enumerate($a);
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$this->assertCount(2, $objects);
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$this->assertSame($a, $objects[0]);
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$this->assertSame($b, $objects[1]);
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}
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public function testEnumeratesObjectWithAggregatedObjectsInArray()
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{
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$a = new \stdClass;
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$b = new \stdClass;
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$a->b = [$b];
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$objects = $this->enumerator->enumerate($a);
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$this->assertCount(2, $objects);
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$this->assertSame($a, $objects[0]);
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$this->assertSame($b, $objects[1]);
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}
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public function testEnumeratesObjectsWithCyclicReferences()
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{
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$a = new \stdClass;
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$b = new \stdClass;
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$a->b = $b;
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$b->a = $a;
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$objects = $this->enumerator->enumerate([$a, $b]);
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$this->assertCount(2, $objects);
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$this->assertSame($a, $objects[0]);
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$this->assertSame($b, $objects[1]);
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}
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public function testEnumeratesClassThatThrowsException()
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{
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$thrower = new ExceptionThrower();
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$objects = $this->enumerator->enumerate($thrower);
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$this->assertSame($thrower, $objects[0]);
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}
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public function testExceptionIsRaisedForInvalidArgument()
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{
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$this->expectException(InvalidArgumentException::class);
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$this->enumerator->enumerate(null);
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}
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public function testExceptionIsRaisedForInvalidArgument2()
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{
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$this->expectException(InvalidArgumentException::class);
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$this->enumerator->enumerate([], '');
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}
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}
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