function ErrorHandlerTest::testExceptionHandler

Tests the exception handler.

File

core/modules/system/tests/src/Functional/System/ErrorHandlerTest.php, line 122

Class

ErrorHandlerTest

Performs tests on the Drupal error and exception handler.

Namespace

Code

public function testExceptionHandler() : void {
    $error_exception = [
        '%type' => 'Exception',
        '@message' => 'Drupal & awesome',
        '%function' => 'Drupal\\error_test\\Controller\\ErrorTestController->triggerException()',
        '%line' => 56,
        '%file' => $this->getModulePath('error_test') . '/error_test.module',
    ];
    $select = \Drupal::database()->select('bananas_are_awesome', 'b')
        ->fields('b');
    $message = \Drupal::database()->prepareStatement((string) $select, [])
        ->getQueryString();
    $message = str_replace([
        "\r",
        "\n",
    ], ' ', $message);
    $error_pdo_exception = [
        '%type' => 'DatabaseExceptionWrapper',
        '@message' => PHP_VERSION_ID >= 80400 ? $message : 'SELECT "b".* FROM {bananas_are_awesome} "b"',
        '%function' => 'Drupal\\error_test\\Controller\\ErrorTestController->triggerPDOException()',
        '%line' => 64,
        '%file' => $this->getModulePath('error_test') . '/error_test.module',
    ];
    $error_renderer_exception = [
        '%type' => 'Exception',
        '@message' => 'This is an exception that occurs during rendering',
        '%function' => PHP_VERSION_ID >= 80400 ? 'Drupal\\error_test\\Controller\\ErrorTestController->{closure:Drupal\\error_test\\Controller\\ErrorTestController::triggerRendererException():104}()' : 'Drupal\\error_test\\Controller\\ErrorTestController->Drupal\\error_test\\Controller\\{closure}()',
        '%line' => 82,
        '%file' => $this->getModulePath('error_test') . '/error_test.module',
    ];
    $this->drupalGet('error-test/trigger-exception');
    $this->assertSession()
        ->statusCodeEquals(500);
    $this->assertErrorMessage($error_exception);
    $this->drupalGet('error-test/trigger-pdo-exception');
    $this->assertSession()
        ->statusCodeEquals(500);
    // We cannot use assertErrorMessage() since the exact error reported
    // varies from database to database. Check that the SQL string is displayed.
    $this->assertSession()
        ->pageTextContains($error_pdo_exception['%type']);
    // Assert statement improved since static queries adds table alias in the
    // error message.
    $this->assertSession()
        ->pageTextContains($error_pdo_exception['@message']);
    $error_details = new FormattableMarkup('in %function (line ', $error_pdo_exception);
    $this->assertSession()
        ->responseContains($error_details);
    $this->drupalGet('error-test/trigger-renderer-exception');
    $this->assertSession()
        ->statusCodeEquals(500);
    $this->assertErrorMessage($error_renderer_exception);
    // Disable error reporting, ensure that 5xx responses are not cached.
    $this->config('system.logging')
        ->set('error_level', ERROR_REPORTING_HIDE)
        ->save();
    $this->drupalGet('error-test/trigger-exception');
    $this->assertSession()
        ->responseHeaderEquals('X-Drupal-Cache', 'UNCACHEABLE (no cacheability)');
    $this->assertSession()
        ->responseHeaderNotContains('Cache-Control', 'public');
    $this->assertSession()
        ->statusCodeEquals(500);
    $this->assertNoErrorMessage($error_exception);
}