function ErrorHandlerTest::testErrorHandler

Tests the error handler.

File

core/modules/system/tests/src/Functional/System/ErrorHandlerTest.php, line 31

Class

ErrorHandlerTest

Performs tests on the Drupal error and exception handler.

Namespace

Code

public function testErrorHandler() : void {
  $config = $this->config('system.logging');
  $error_notice = '<em class="placeholder">Notice</em>: Object of class stdClass could not be converted to int in <em class="placeholder">Drupal\\error_test\\Controller\\ErrorTestController-&gt;generateWarnings()</em> (line';
  $error_warning = '<em class="placeholder">Warning</em>: var_export does not handle circular references in <em class="placeholder">Drupal\\error_test\\Controller\\ErrorTestController-&gt;generateWarnings()</em> (line';
  $error_user_notice = '<em class="placeholder">User warning</em>: Drupal &amp; awesome in <em class="placeholder">Drupal\\error_test\\Controller\\ErrorTestController-&gt;generateWarnings()</em> (line';
  // Set error reporting to display verbose notices.
  $this->config('system.logging')
    ->set('error_level', ERROR_REPORTING_DISPLAY_VERBOSE)
    ->save();
  $this->drupalGet('error-test/generate-warnings');
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->responseContains($error_notice);
  $this->assertSession()
    ->responseContains($error_warning);
  $this->assertSession()
    ->responseContains($error_user_notice);
  $this->assertSession()
    ->responseContains('<pre class="backtrace">');
  // Ensure we are escaping but not double escaping.
  $this->assertSession()
    ->responseContains('&amp;');
  $this->assertSession()
    ->responseNotContains('&amp;amp;');
  // Set error reporting to display verbose notices.
  $this->config('system.logging')
    ->set('error_level', ERROR_REPORTING_DISPLAY_VERBOSE)
    ->save();
  // Set error reporting to collect notices.
  $config->set('error_level', ERROR_REPORTING_DISPLAY_ALL)
    ->save();
  $this->drupalGet('error-test/generate-warnings');
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->responseContains($error_notice);
  $this->assertSession()
    ->responseContains($error_warning);
  $this->assertSession()
    ->responseContains($error_user_notice);
  $this->assertSession()
    ->responseNotContains('<pre class="backtrace">');
  // Set error reporting to not collect notices.
  $config->set('error_level', ERROR_REPORTING_DISPLAY_SOME)
    ->save();
  $this->drupalGet('error-test/generate-warnings');
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->responseNotContains($error_notice);
  $this->assertSession()
    ->responseContains($error_warning);
  $this->assertSession()
    ->responseContains($error_user_notice);
  $this->assertSession()
    ->responseNotContains('<pre class="backtrace">');
  // Set error reporting to not show any errors.
  $config->set('error_level', ERROR_REPORTING_HIDE)
    ->save();
  $this->drupalGet('error-test/generate-warnings');
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->responseNotContains($error_notice);
  $this->assertSession()
    ->responseNotContains($error_warning);
  $this->assertSession()
    ->responseNotContains($error_user_notice);
  $this->assertNoMessages();
  $this->assertSession()
    ->responseNotContains('<pre class="backtrace">');
}