function ExceptionLoggingSubscriberTest::testExceptionLogging

Tests \Drupal\Core\EventSubscriber\ExceptionLoggingSubscriber::onException().

File

core/tests/Drupal/KernelTests/Core/EventSubscriber/ExceptionLoggingSubscriberTest.php, line 35

Class

ExceptionLoggingSubscriberTest

Tests that HTTP exceptions are logged correctly.

Namespace

Code

public function testExceptionLogging() : void {
    $http_kernel = \Drupal::service('http_kernel');
    $channel_map = [
        400 => 'client error',
        401 => 'client error',
        403 => 'access denied',
        404 => 'page not found',
        405 => 'client error',
        408 => 'client error',
        // Do not check the 500 status code here because it would be caught by
        // Drupal\Core\EventSubscriberExceptionTestSiteSubscriber which has lower
        // priority.
501 => 'php',
        502 => 'php',
        503 => 'php',
    ];
    $level_map = [
        400 => RfcLogLevel::WARNING,
        401 => RfcLogLevel::WARNING,
        403 => RfcLogLevel::WARNING,
        404 => RfcLogLevel::WARNING,
        405 => RfcLogLevel::WARNING,
        408 => RfcLogLevel::WARNING,
        501 => RfcLogLevel::ERROR,
        502 => RfcLogLevel::ERROR,
        503 => RfcLogLevel::ERROR,
    ];
    // Ensure that noting is logged.
    $this->assertEmpty($this->container
        ->get($this->testLogServiceName)
        ->cleanLogs());
    // Temporarily disable error log as the ExceptionLoggingSubscriber logs 5xx
    // HTTP errors using error_log().
    $error_log = ini_set('error_log', '/dev/null');
    foreach ($channel_map as $code => $channel) {
        $request = Request::create('/test-http-response-exception/' . $code);
        $http_kernel->handle($request);
    }
    ini_set('error_log', $error_log);
    $expected_channels = array_values($channel_map);
    $expected_levels = array_values($level_map);
    $logs = $this->container
        ->get($this->testLogServiceName)
        ->cleanLogs();
    foreach ($expected_channels as $key => $expected_channel) {
        $this->assertEquals($expected_channel, $logs[$key][2]['channel']);
        $this->assertEquals($expected_levels[$key], $logs[$key][0]);
        // Verify that @backtrace_string is removed from client error.
        if ($logs[$key][2]['channel'] === 'client error') {
            $this->assertArrayNotHasKey('@backtrace_string', $logs[$key][2]);
        }
    }
}