Cast 2nd argument in assertStringContainsString() to a string if not yet
use PHPUnit\Framework\TestCase;
class SomeTest extends TestCase
{
public function testSomething(?string $value)
{
- $this->assertStringContainsString('foo', $value);
+ $this->assertStringContainsString('foo', (string) $value);
}
}Configure your rector.php:
<?php
use Rector\Config\RectorConfig;
use Rector\PHPUnit\CodeQuality\Rector\MethodCall\StringCastAssertStringContainsStringRector;
return RectorConfig::configure()
->withRules([
StringCastAssertStringContainsStringRector::class,
]);
