assertContainsOnlyInstancesOf()

assertContainsOnlyInstancesOf(string $classname, Traversable|array $haystack[, string $message = ''])

Reports an error identified by $message if $haystack does not contain only instances of class $classname.

Example A.9: Usage of assertContainsOnlyInstancesOf()

<?php
use PHPUnit\Framework\TestCase;
 
class ContainsOnlyInstancesOfTest extends TestCase
{
    public function testFailure()
    {
        $this->assertContainsOnlyInstancesOf(
            Foo::class,
            [new Foo, new Bar, new Foo]
        );
    }
}
?>

phpunit ContainsOnlyInstancesOfTest
PHPUnit 5.6.0 by Sebastian Bergmann and contributors.
 
F
 
Time: 0 seconds, Memory: 5.00Mb
 
There was 1 failure:
 
1) ContainsOnlyInstancesOfTest::testFailure
Failed asserting that Array ([0]=> Bar Object(...)) is an instance of class "Foo".
 
/home/sb/ContainsOnlyInstancesOfTest.php:6
 
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.

Links:

https://phpunit.de/manual/5.6/en/appendixes.assertions.html#appendixes.assertions.assertContainsOnlyInstancesOf

doc_PHPUnit

2025-01-10 15:47:30

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