function DrupalComponentTest::assertNoCoreUsage

Asserts that the given class is not using any class from Core namespace.

@internal

Parameters

string $class_path: The full path to the class that should be checked.

File

core/tests/Drupal/Tests/Component/DrupalComponentTest.php, line 96

Class

DrupalComponentTest

General tests for \Drupal\Component that can't go anywhere else.

Namespace

Code

protected function assertNoCoreUsage(string $class_path) : void {
    $contents = file_get_contents($class_path);
    preg_match_all('/^.*Drupal\\\\Core.*$/m', $contents, $matches);
    $matches = array_filter($matches[0], function ($line) {
        // Filter references that don't really matter.
        return preg_match('/@see|E_USER_DEPRECATED|expectDeprecation/', $line) === 0;
    });
    $this->assertEmpty($matches, "Checking for illegal reference to 'Drupal\\Core' namespace in {$class_path}");
}