--- /dev/null
+<?php
+
+namespace Drupal\simpletest\Tests;
+
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Tests SimpleTest error and exception collector.
+ *
+ * @group WebTestBase
+ */
+class SimpleTestErrorCollectorTest extends WebTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['system_test', 'error_test'];
+
+ /**
+ * Errors triggered during the test.
+ *
+ * Errors are intercepted by the overridden implementation
+ * of Drupal\simpletest\WebTestBase::error() below.
+ *
+ * @var array
+ */
+ protected $collectedErrors = [];
+
+ /**
+ * Tests that simpletest collects errors from the tested site.
+ */
+ public function testErrorCollect() {
+ $this->collectedErrors = [];
+ $this->drupalGet('error-test/generate-warnings-with-report');
+ $this->assertEqual(count($this->collectedErrors), 3, 'Three errors were collected');
+
+ if (count($this->collectedErrors) == 3) {
+ $this->assertError($this->collectedErrors[0], 'Notice', 'Drupal\error_test\Controller\ErrorTestController->generateWarnings()', 'ErrorTestController.php', 'Undefined variable: bananas');
+ $this->assertError($this->collectedErrors[1], 'Warning', 'Drupal\error_test\Controller\ErrorTestController->generateWarnings()', 'ErrorTestController.php', 'Division by zero');
+ $this->assertError($this->collectedErrors[2], 'User warning', 'Drupal\error_test\Controller\ErrorTestController->generateWarnings()', 'ErrorTestController.php', 'Drupal & awesome');
+ }
+ else {
+ // Give back the errors to the log report.
+ foreach ($this->collectedErrors as $error) {
+ parent::error($error['message'], $error['group'], $error['caller']);
+ }
+ }
+ }
+
+ /**
+ * Stores errors into an array.
+ *
+ * This test class is trying to verify that simpletest correctly sees errors
+ * and warnings. However, it can't generate errors and warnings that
+ * propagate up to the testing framework itself, or these tests would always
+ * fail. So, this special copy of error() doesn't propagate the errors up
+ * the class hierarchy. It just stuffs them into a protected collectedErrors
+ * array for various assertions to inspect.
+ */
+ protected function error($message = '', $group = 'Other', array $caller = NULL) {
+ // Due to a WTF elsewhere, simpletest treats debug() and verbose()
+ // messages as if they were an 'error'. But, we don't want to collect
+ // those here. This function just wants to collect the real errors (PHP
+ // notices, PHP fatal errors, etc.), and let all the 'errors' from the
+ // 'User notice' group bubble up to the parent classes to be handled (and
+ // eventually displayed) as normal.
+ if ($group == 'User notice') {
+ parent::error($message, $group, $caller);
+ }
+ // Everything else should be collected but not propagated.
+ else {
+ $this->collectedErrors[] = [
+ 'message' => $message,
+ 'group' => $group,
+ 'caller' => $caller,
+ ];
+ }
+ }
+
+ /**
+ * Asserts that a collected error matches what we are expecting.
+ */
+ public function assertError($error, $group, $function, $file, $message = NULL) {
+ $this->assertEqual($error['group'], $group, format_string("Group was %group", ['%group' => $group]));
+ $this->assertEqual($error['caller']['function'], $function, format_string("Function was %function", ['%function' => $function]));
+ $this->assertEqual(drupal_basename($error['caller']['file']), $file, format_string("File was %file", ['%file' => $file]));
+ if (isset($message)) {
+ $this->assertEqual($error['message'], $message, format_string("Message was %message", ['%message' => $message]));
+ }
+ }
+
+}