<?php declare(strict_types=1);
/*
* 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\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\Attributes\UsesClass;
use PHPUnit\Framework\TestCase;
use stdClass;
#[CoversClass(ObjectComparator::class)]
#[UsesClass(Comparator::class)]
#[UsesClass(ComparisonFailure::class)]
#[UsesClass(Factory::class)]
final class ObjectComparatorTest extends TestCase
{
/**
* @var ObjectComparator
*/
private $comparator;
public static function acceptsSucceedsProvider()
{
return [
[new TestClass, new TestClass],
[new stdClass, new stdClass],
[new stdClass, new TestClass],
];
}
public static function acceptsFailsProvider()
{
return [
[new stdClass, null],
[null, new stdClass],
[null, null],
];
}
public static 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 static 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],
];
}
protected function setUp(): void
{
$this->comparator = new ObjectComparator;
$this->comparator->setFactory(new Factory);
}
#[DataProvider('acceptsSucceedsProvider')]
public function testAcceptsSucceeds($expected, $actual): void
{
$this->assertTrue(
$this->comparator->accepts($expected, $actual)
);
}
#[DataProvider('acceptsFailsProvider')]
public function testAcceptsFails($expected, $actual): void
{
$this->assertFalse(
$this->comparator->accepts($expected, $actual)
);
}
#[DataProvider('assertEqualsSucceedsProvider')]
public function testAssertEqualsSucceeds($expected, $actual, $delta = 0.0): void
{
$exception = null;
try {
$this->comparator->assertEquals($expected, $actual, $delta);
} catch (ComparisonFailure $exception) {
}
$this->assertNull($exception, 'Unexpected ComparisonFailure');
}
#[DataProvider('assertEqualsFailsProvider')]
public function testAssertEqualsFails($expected, $actual, $message, $delta = 0.0): void
{
$this->expectException(ComparisonFailure::class);
$this->expectExceptionMessage($message);
$this->comparator->assertEquals($expected, $actual, $delta);
}
}