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<?php |
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declare(strict_types=1); |
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namespace RoaveTest\BackwardCompatibility; |
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use PHPUnit\Framework\TestCase; |
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use Roave\BackwardCompatibility\Change; |
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use Roave\BackwardCompatibility\Changes; |
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use function array_fill; |
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use function iterator_to_array; |
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use function random_int; |
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use function serialize; |
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use function unserialize; |
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/** |
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* @covers \Roave\BackwardCompatibility\Changes |
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*/ |
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final class ChangesTest extends TestCase |
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{ |
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public function testMergeWith() : void |
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{ |
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$changes1 = Changes::fromList(Change::changed('a', true)); |
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$changes2 = Changes::fromList(Change::removed('b', false)); |
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$frozen1 = unserialize(serialize($changes1)); |
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$frozen2 = unserialize(serialize($changes2)); |
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self::assertEquals( |
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Changes::fromList( |
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Change::changed('a', true), |
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Change::removed('b', false) |
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), |
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$changes1->mergeWith($changes2) |
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); |
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self::assertEquals( |
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Changes::fromList( |
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Change::removed('b', false), |
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Change::changed('a', true) |
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), |
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$changes2->mergeWith($changes1) |
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); |
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self::assertEquals($frozen1, $changes1, 'Original Changes instance not mutated'); |
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self::assertEquals($frozen2, $changes2, 'Original Changes instance not mutated'); |
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} |
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public function testMergeWithPreservesOriginalInstanceIfMergedWithEmptyChanges() : void |
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{ |
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$changes = Changes::fromList(Change::changed('a', true)); |
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self::assertSame($changes, $changes->mergeWith(Changes::empty())); |
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} |
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public function testFromList() : void |
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{ |
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$change = Change::added('added', true); |
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self::assertSame( |
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[$change], |
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iterator_to_array(Changes::fromList($change)) |
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); |
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} |
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public function testCount() : void |
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{ |
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$count = random_int(1, 10); |
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self::assertCount( |
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$count, |
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Changes::fromList(...array_fill(0, $count, Change::added('foo', true))) |
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); |
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} |
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} |
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Roave /
BackwardCompatibilityCheck
