--- /dev/null
+<?php
+
+/**
+ * @file
+ * Test module.
+ */
+
+use Drupal\Core\Extension\Extension;
+use Drupal\Core\Routing\RouteMatchInterface;
+
+/**
+ * Implements hook_help().
+ */
+function system_test_help($route_name, RouteMatchInterface $route_match) {
+ switch ($route_name) {
+ case 'help.page.system_test':
+ $output = '';
+ $output .= '<h3>' . t('Test Help Page') . '</h3>';
+ $output .= '<p>' . t('This is a test help page for the system_test module for the purpose of testing if the "Help" link displays properly.') . '</p>';
+ return $output;
+ }
+}
+
+/**
+ * Implements hook_modules_installed().
+ */
+function system_test_modules_installed($modules) {
+ if (\Drupal::state()->get('system_test.verbose_module_hooks')) {
+ foreach ($modules as $module) {
+ drupal_set_message(t('hook_modules_installed fired for @module', ['@module' => $module]));
+ }
+ }
+}
+
+/**
+ * Implements hook_modules_uninstalled().
+ */
+function system_test_modules_uninstalled($modules) {
+ if (\Drupal::state()->get('system_test.verbose_module_hooks')) {
+ foreach ($modules as $module) {
+ drupal_set_message(t('hook_modules_uninstalled fired for @module', ['@module' => $module]));
+ }
+ }
+}
+
+/**
+ * Implements hook_system_info_alter().
+ */
+function system_test_system_info_alter(&$info, Extension $file, $type) {
+ // We need a static otherwise the last test will fail to alter common_test.
+ static $test;
+ if (($dependencies = \Drupal::state()->get('system_test.dependencies')) || $test) {
+ if ($file->getName() == 'module_test') {
+ $info['hidden'] = FALSE;
+ $info['dependencies'][] = array_shift($dependencies);
+ \Drupal::state()->set('system_test.dependencies', $dependencies);
+ $test = TRUE;
+ }
+ if ($file->getName() == 'common_test') {
+ $info['hidden'] = FALSE;
+ $info['version'] = '8.x-2.4-beta3';
+ }
+ }
+
+ // Make the system_dependencies_test visible by default.
+ if ($file->getName() == 'system_dependencies_test') {
+ $info['hidden'] = FALSE;
+ }
+ if (in_array($file->getName(), [
+ 'system_incompatible_module_version_dependencies_test',
+ 'system_incompatible_core_version_dependencies_test',
+ 'system_incompatible_module_version_test',
+ 'system_incompatible_core_version_test',
+ ])) {
+ $info['hidden'] = FALSE;
+ }
+ if ($file->getName() == 'requirements1_test' || $file->getName() == 'requirements2_test') {
+ $info['hidden'] = FALSE;
+ }
+ if ($file->getName() == 'system_test') {
+ $info['hidden'] = \Drupal::state()->get('system_test.module_hidden', TRUE);
+ }
+}
+
+/**
+ * Implements hook_page_attachments().
+ */
+function system_test_page_attachments(array &$page) {
+ // Used by FrontPageTestCase to get the results of
+ // \Drupal::service('path.matcher')->isFrontPage().
+ $frontpage = \Drupal::state()->get('system_test.front_page_output') ?: 0;
+ if ($frontpage && \Drupal::service('path.matcher')->isFrontPage()) {
+ drupal_set_message(t('On front page.'));
+ }
+}
+
+/**
+ * Dummy shutdown function which registers another shutdown function.
+ */
+function _system_test_first_shutdown_function($arg1, $arg2) {
+ // Set something to ensure that this function got called.
+ \Drupal::state()->set('_system_test_first_shutdown_function', [$arg1, $arg2]);
+ drupal_register_shutdown_function('_system_test_second_shutdown_function', $arg1, $arg2);
+}
+
+/**
+ * Dummy shutdown function.
+ */
+function _system_test_second_shutdown_function($arg1, $arg2) {
+ // Set something to ensure that this function got called.
+ \Drupal::state()->set('_system_test_second_shutdown_function', [$arg1, $arg2]);
+
+ // Throw an exception with an HTML tag. Since this is called in a shutdown
+ // function, it will not bubble up to the default exception handler but will
+ // be caught in _drupal_shutdown_function() and be displayed through
+ // \Drupal\Core\Utility\Error::renderExceptionSafe() if possible.
+ throw new Exception('Drupal is <blink>awesome</blink>.');
+}
+
+/**
+ * Implements hook_filetransfer_info().
+ */
+function system_test_filetransfer_info() {
+ return [
+ 'system_test' => [
+ 'title' => t('System Test FileTransfer'),
+ 'class' => 'Drupal\system_test\MockFileTransfer',
+ 'weight' => -10,
+ ],
+ ];
+}
+
+/**
+ * Implements hook_module_preinstall().
+ */
+function system_test_module_preinstall($module) {
+ \Drupal::state()->set('system_test_preinstall_module', $module);
+}
+
+/**
+ * Implements hook_module_preuninstall().
+ */
+function system_test_module_preuninstall($module) {
+ \Drupal::state()->set('system_test_preuninstall_module', $module);
+}