<?php
/*
* This file is part of sebastian/comparator.
*
* (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\Comparator;
use PHPUnit\Framework\TestCase;
use stdClass;
/**
* @coversDefaultClass SebastianBergmann\Comparator\ObjectComparator
*
* @uses SebastianBergmann\Comparator\Comparator
* @uses SebastianBergmann\Comparator\Factory
* @uses SebastianBergmann\Comparator\ComparisonFailure
*/
class ObjectComparatorTest extends TestCase
{
private $comparator;
protected function setUp()
{
$this->comparator = new ObjectComparator;
$this->comparator->setFactory(new Factory);
}
public function acceptsSucceedsProvider()
{
return [
[new TestClass, new TestClass],
[new stdClass, new stdClass],
[new stdClass, new TestClass]
];
}
public function acceptsFailsProvider()
{
return [
[new stdClass, null],
[null, new stdClass],
[null, null]
];
}
public function assertEqualsSucceedsProvider()
{
// cyclic dependencies
$book1 = new Book;
$book1->author = new Author('Terry Pratchett');
$book1->author->books[] = $book1;
$book2 = new Book;
$book2->author = new Author('Terry Pratchett');
$book2->author->books[] = $book2;
$object1 = new SampleClass(4, 8, 15);
$object2 = new SampleClass(4, 8, 15);
return [
[$object1, $object1],
[$object1, $object2],
[$book1, $book1],
[$book1, $book2],
[new Struct(2.3), new Struct(2.5), 0.5]
];
}
public function assertEqualsFailsProvider()
{
$typeMessage = 'is not instance of expected class';
$equalMessage = 'Failed asserting that two objects are equal.';
// cyclic dependencies
$book1 = new Book;
$book1->author = new Author('Terry Pratchett');
$book1->author->books[] = $book1;
$book2 = new Book;
$book2->author = new Author('Terry Pratch');
$book2->author->books[] = $book2;
$book3 = new Book;
$book3->author = 'Terry Pratchett';
$book4 = new stdClass;
$book4->author = 'Terry Pratchett';
$object1 = new SampleClass(4, 8, 15);
$object2 = new SampleClass(16, 23, 42);
return [
[new SampleClass(4, 8, 15), new SampleClass(16, 23, 42), $equalMessage],
[$object1, $object2, $equalMessage],
[$book1, $book2, $equalMessage],
[$book3, $book4, $typeMessage],
[new Struct(2.3), new Struct(4.2), $equalMessage, 0.5]
];
}
/**
* @covers ::accepts
* @dataProvider acceptsSucceedsProvider
*/
public function testAcceptsSucceeds($expected, $actual)
{
$this->assertTrue(
$this->comparator->accepts($expected, $actual)
);
}
/**
* @covers ::accepts
* @dataProvider acceptsFailsProvider
*/
public function testAcceptsFails($expected, $actual)
{
$this->assertFalse(
$this->comparator->accepts($expected, $actual)
);
}
/**
* @covers ::assertEquals
* @dataProvider assertEqualsSucceedsProvider
*/
public function testAssertEqualsSucceeds($expected, $actual, $delta = 0.0)
{
$exception = null;
try {
$this->comparator->assertEquals($expected, $actual, $delta);
} catch (ComparisonFailure $exception) {
}
$this->assertNull($exception, 'Unexpected ComparisonFailure');
}
/**
* @covers ::assertEquals
* @dataProvider assertEqualsFailsProvider
*/
public function testAssertEqualsFails($expected, $actual, $message, $delta = 0.0)
{
$this->expectException(ComparisonFailure::class);
$this->expectExceptionMessage($message);
$this->comparator->assertEquals($expected, $actual, $delta);
}
}