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<?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 function assert;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\Attributes\UsesClass;
use PHPUnit\Framework\MockObject\Generator\Generator;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use stdClass;
#[CoversClass(MockObjectComparator::class)]
#[UsesClass(Comparator::class)]
#[UsesClass(ComparisonFailure::class)]
#[UsesClass(Factory::class)]
final class MockObjectComparatorTest extends TestCase
{
private MockObjectComparator $comparator;
/**
* @return non-empty-list<array{0: MockObject, 1: MockObject}>
*/
public static function acceptsSucceedsProvider(): array
{
$testmock = self::createMockForComparatorTest(TestClass::class);
$stdmock = self::createMockForComparatorTest(stdClass::class);
return [
[$testmock, $testmock],
[$stdmock, $stdmock],
[$stdmock, $testmock],
];
}
/**
* @return non-empty-list<array{0: ?MockObject, 1: ?MockObject}>
*/
public static function acceptsFailsProvider(): array
{
$stdmock = self::createMockForComparatorTest(stdClass::class);
return [
[$stdmock, null],
[null, $stdmock],
[null, null],
];
}
/**
* @return non-empty-list<array{0: MockObject, 1: MockObject, 2?: float}>
*/
public static function assertEqualsSucceedsProvider(): array
{
// cyclic dependencies
$book1 = self::createMockForComparatorTest(Book::class);
$book1->author = self::createMockForComparatorTest(Author::class, ['Terry Pratchett']);
$book1->author->books[] = $book1;
$book2 = self::createMockForComparatorTest(Book::class);
$book2->author = self::createMockForComparatorTest(Author::class, ['Terry Pratchett']);
$book2->author->books[] = $book2;
$object1 = self::createMockForComparatorTest(SampleClass::class, [4, 8, 15]);
$object2 = self::createMockForComparatorTest(SampleClass::class, [4, 8, 15]);
return [
[$object1, $object1],
[$object1, $object2],
[$book1, $book1],
[$book1, $book2],
[
self::createMockForComparatorTest(Struct::class, [2.3]),
self::createMockForComparatorTest(Struct::class, [2.5]),
0.5,
],
];
}
/**
* @return non-empty-list<array{0: MockObject, 1: MockObject, 2?: non-empty-string, 3?: float}>
*/
public static function assertEqualsFailsProvider(): array
{
$typeMessage = 'is not instance of expected class';
$equalMessage = 'Failed asserting that two objects are equal.';
// cyclic dependencies
$book1 = self::createMockForComparatorTest(Book::class);
$book1->author = self::createMockForComparatorTest(Author::class, ['Terry Pratchett']);
$book1->author->books[] = $book1;
$book2 = self::createMockForComparatorTest(Book::class);
$book2->author = self::createMockForComparatorTest(Author::class, ['Terry Pratch']);
$book2->author->books[] = $book2;
$book3 = self::createMockForComparatorTest(Book::class);
$book3->author = new Author('Terry Pratchett');
$book4 = self::createMockForComparatorTest(stdClass::class);
$book4->author = new Author('Terry Pratchett');
$object1 = self::createMockForComparatorTest(SampleClass::class, [4, 8, 15]);
$object2 = self::createMockForComparatorTest(SampleClass::class, [16, 23, 42]);
return [
[
self::createMockForComparatorTest(SampleClass::class, [4, 8, 15]),
self::createMockForComparatorTest(SampleClass::class, [16, 23, 42]),
$equalMessage,
],
[$object1, $object2, $equalMessage],
[$book1, $book2, $equalMessage],
[$book3, $book4, $typeMessage],
[
self::createMockForComparatorTest(Struct::class, [2.3]),
self::createMockForComparatorTest(Struct::class, [4.2]),
$equalMessage,
0.5,
],
];
}
protected function setUp(): void
{
$this->comparator = new MockObjectComparator;
$this->comparator->setFactory(new Factory);
}
#[DataProvider('acceptsSucceedsProvider')]
public function testAcceptsSucceeds(MockObject $expected, MockObject $actual): void
{
$this->assertTrue(
$this->comparator->accepts($expected, $actual),
);
}
#[DataProvider('acceptsFailsProvider')]
public function testAcceptsFails(?MockObject $expected, ?MockObject $actual): void
{
$this->assertFalse(
$this->comparator->accepts($expected, $actual),
);
}
#[DataProvider('assertEqualsSucceedsProvider')]
public function testAssertEqualsSucceeds(MockObject $expected, MockObject $actual, float $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(MockObject $expected, MockObject $actual, string $message, float $delta = 0.0): void
{
$this->expectException(ComparisonFailure::class);
$this->expectExceptionMessage($message);
$this->comparator->assertEquals($expected, $actual, $delta);
}
/**
* @template RealInstanceType of object
*
* @param class-string<RealInstanceType> $type
* @param list<mixed> $constructorArguments
*
* @return MockObject&RealInstanceType
*/
private static function createMockForComparatorTest(string $type, array $constructorArguments = []): MockObject
{
$generator = new Generator;
$mockObject = $generator->testDouble($type, true, true, null, $constructorArguments);
assert($mockObject instanceof MockObject);
assert($mockObject instanceof $type);
return $mockObject;
}
}
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