corpus_parole: comparison cms/drupal/modules/simpletest/tests/bootstrap.test

equal deleted inserted replaced

-:07239de796bb
+:e756a8c72c3d
+<?php
+class BootstrapIPAddressTestCase extends DrupalWebTestCase {
+public static function getInfo() {
+return array(
+'name' => 'IP address and HTTP_HOST test',
+'description' => 'Get the IP address from the current visitor from the server variables, check hostname validation.',
+'group' => 'Bootstrap'
+);
+}
+function setUp() {
+$this->oldserver = $_SERVER;
+$this->remote_ip = '127.0.0.1';
+$this->proxy_ip = '127.0.0.2';
+$this->proxy2_ip = '127.0.0.3';
+$this->forwarded_ip = '127.0.0.4';
+$this->cluster_ip = '127.0.0.5';
+$this->untrusted_ip = '0.0.0.0';
+drupal_static_reset('ip_address');
+$_SERVER['REMOTE_ADDR'] = $this->remote_ip;
+unset($_SERVER['HTTP_X_FORWARDED_FOR']);
+unset($_SERVER['HTTP_X_CLUSTER_CLIENT_IP']);
+parent::setUp();
+}
+function tearDown() {
+$_SERVER = $this->oldserver;
+drupal_static_reset('ip_address');
+parent::tearDown();
+}
+/**
+* test IP Address and hostname
+*/
+function testIPAddressHost() {
+// Test the normal IP address.
+$this->assertTrue(
+ip_address() == $this->remote_ip,
+'Got remote IP address.'
+);
+// Proxy forwarding on but no proxy addresses defined.
+variable_set('reverse_proxy', 1);
+$this->assertTrue(
+ip_address() == $this->remote_ip,
+'Proxy forwarding without trusted proxies got remote IP address.'
+);
+// Proxy forwarding on and proxy address not trusted.
+variable_set('reverse_proxy_addresses', array($this->proxy_ip, $this->proxy2_ip));
+drupal_static_reset('ip_address');
+$_SERVER['REMOTE_ADDR'] = $this->untrusted_ip;
+$this->assertTrue(
+ip_address() == $this->untrusted_ip,
+'Proxy forwarding with untrusted proxy got remote IP address.'
+);
+// Proxy forwarding on and proxy address trusted.
+$_SERVER['REMOTE_ADDR'] = $this->proxy_ip;
+$_SERVER['HTTP_X_FORWARDED_FOR'] = $this->forwarded_ip;
+drupal_static_reset('ip_address');
+$this->assertTrue(
+ip_address() == $this->forwarded_ip,
+'Proxy forwarding with trusted proxy got forwarded IP address.'
+);
+// Proxy forwarding on and proxy address trusted and visiting from proxy.
+$_SERVER['REMOTE_ADDR'] = $this->proxy_ip;
+$_SERVER['HTTP_X_FORWARDED_FOR'] = $this->proxy_ip;
+drupal_static_reset('ip_address');
+$this->assertTrue(
+ip_address() == $this->proxy_ip,
+'Visiting from trusted proxy got proxy IP address.'
+);
+// Multi-tier architecture with comma separated values in header.
+$_SERVER['REMOTE_ADDR'] = $this->proxy_ip;
+$_SERVER['HTTP_X_FORWARDED_FOR'] = implode(', ', array($this->untrusted_ip, $this->forwarded_ip, $this->proxy2_ip));
+drupal_static_reset('ip_address');
+$this->assertTrue(
+ip_address() == $this->forwarded_ip,
+'Proxy forwarding with trusted 2-tier proxy got forwarded IP address.'
+);
+// Custom client-IP header.
+variable_set('reverse_proxy_header', 'HTTP_X_CLUSTER_CLIENT_IP');
+$_SERVER['HTTP_X_CLUSTER_CLIENT_IP'] = $this->cluster_ip;
+drupal_static_reset('ip_address');
+$this->assertTrue(
+ip_address() == $this->cluster_ip,
+'Cluster environment got cluster client IP.'
+);
+// Verifies that drupal_valid_http_host() prevents invalid characters.
+$this->assertFalse(drupal_valid_http_host('security/.drupal.org:80'), 'HTTP_HOST with / is invalid');
+$this->assertFalse(drupal_valid_http_host('security\\.drupal.org:80'), 'HTTP_HOST with \\ is invalid');
+$this->assertFalse(drupal_valid_http_host('security<.drupal.org:80'), 'HTTP_HOST with &lt; is invalid');
+$this->assertFalse(drupal_valid_http_host('security..drupal.org:80'), 'HTTP_HOST with .. is invalid');
+// Verifies that host names are shorter than 1000 characters.
+$this->assertFalse(drupal_valid_http_host(str_repeat('x', 1001)), 'HTTP_HOST with more than 1000 characters is invalid.');
+$this->assertFalse(drupal_valid_http_host(str_repeat('.', 101)), 'HTTP_HOST with more than 100 subdomains is invalid.');
+$this->assertFalse(drupal_valid_http_host(str_repeat(':', 101)), 'HTTP_HOST with more than 100 portseparators is invalid.');
+// IPv6 loopback address
+$this->assertTrue(drupal_valid_http_host('[::1]:80'), 'HTTP_HOST containing IPv6 loopback is valid');
+}
+}
+class BootstrapPageCacheTestCase extends DrupalWebTestCase {
+public static function getInfo() {
+return array(
+'name' => 'Page cache test',
+'description' => 'Enable the page cache and test it with various HTTP requests.',
+'group' => 'Bootstrap'
+);
+}
+function setUp() {
+parent::setUp('system_test');
+}
+/**
+* Test support for requests containing If-Modified-Since and If-None-Match headers.
+*/
+function testConditionalRequests() {
+variable_set('cache', 1);
+// Fill the cache.
+$this->drupalGet('');
+$this->drupalHead('');
+$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
+$etag = $this->drupalGetHeader('ETag');
+$last_modified = $this->drupalGetHeader('Last-Modified');
+$this->drupalGet('', array(), array('If-Modified-Since: ' . $last_modified, 'If-None-Match: ' . $etag));
+$this->assertResponse(304, 'Conditional request returned 304 Not Modified.');
+$this->drupalGet('', array(), array('If-Modified-Since: ' . gmdate(DATE_RFC822, strtotime($last_modified)), 'If-None-Match: ' . $etag));
+$this->assertResponse(304, 'Conditional request with obsolete If-Modified-Since date returned 304 Not Modified.');
+$this->drupalGet('', array(), array('If-Modified-Since: ' . gmdate(DATE_RFC850, strtotime($last_modified)), 'If-None-Match: ' . $etag));
+$this->assertResponse(304, 'Conditional request with obsolete If-Modified-Since date returned 304 Not Modified.');
+$this->drupalGet('', array(), array('If-Modified-Since: ' . $last_modified));
+$this->assertResponse(200, 'Conditional request without If-None-Match returned 200 OK.');
+$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
+$this->drupalGet('', array(), array('If-Modified-Since: ' . gmdate(DATE_RFC7231, strtotime($last_modified) + 1), 'If-None-Match: ' . $etag));
+$this->assertResponse(200, 'Conditional request with new a If-Modified-Since date newer than Last-Modified returned 200 OK.');
+$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
+$user = $this->drupalCreateUser();
+$this->drupalLogin($user);
+$this->drupalGet('', array(), array('If-Modified-Since: ' . $last_modified, 'If-None-Match: ' . $etag));
+$this->assertResponse(200, 'Conditional request returned 200 OK for authenticated user.');
+$this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'), 'Absence of Page was not cached.');
+$this->assertFalse($this->drupalGetHeader('ETag'), 'ETag HTTP headers are not present for logged in users.');
+$this->assertFalse($this->drupalGetHeader('Last-Modified'), 'Last-Modified HTTP headers are not present for logged in users.');
+}
+/**
+* Test cache headers.
+*/
+function testPageCache() {
+variable_set('cache', 1);
+// Fill the cache.
+$this->drupalGet('system-test/set-header', array('query' => array('name' => 'Foo', 'value' => 'bar')));
+$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
+$this->assertEqual($this->drupalGetHeader('Vary'), 'Cookie,Accept-Encoding', 'Vary header was sent.');
+$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'public, max-age=0', 'Cache-Control header was sent.');
+$this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
+$this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');
+// Check cache.
+$this->drupalGet('system-test/set-header', array('query' => array('name' => 'Foo', 'value' => 'bar')));
+$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
+$this->assertEqual($this->drupalGetHeader('Vary'), 'Cookie,Accept-Encoding', 'Vary: Cookie header was sent.');
+$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'public, max-age=0', 'Cache-Control header was sent.');
+$this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
+$this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');
+// Check replacing default headers.
+$this->drupalGet('system-test/set-header', array('query' => array('name' => 'Expires', 'value' => 'Fri, 19 Nov 2008 05:00:00 GMT')));
+$this->assertEqual($this->drupalGetHeader('Expires'), 'Fri, 19 Nov 2008 05:00:00 GMT', 'Default header was replaced.');
+$this->drupalGet('system-test/set-header', array('query' => array('name' => 'Vary', 'value' => 'User-Agent')));
+$this->assertEqual($this->drupalGetHeader('Vary'), 'User-Agent,Accept-Encoding', 'Default header was replaced.');
+// Check that authenticated users bypass the cache.
+$user = $this->drupalCreateUser();
+$this->drupalLogin($user);
+$this->drupalGet('system-test/set-header', array('query' => array('name' => 'Foo', 'value' => 'bar')));
+$this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'), 'Caching was bypassed.');
+$this->assertTrue(strpos($this->drupalGetHeader('Vary'), 'Cookie') === FALSE, 'Vary: Cookie header was not sent.');
+$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'no-cache, must-revalidate', 'Cache-Control header was sent.');
+$this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
+$this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');
+}
+/**
+* Test page compression.
+*
+* The test should pass even if zlib.output_compression is enabled in php.ini,
+* .htaccess or similar, or if compression is done outside PHP, e.g. by the
+* mod_deflate Apache module.
+*/
+function testPageCompression() {
+variable_set('cache', 1);
+// Fill the cache and verify that output is compressed.
+$this->drupalGet('', array(), array('Accept-Encoding: gzip,deflate'));
+$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
+$this->drupalSetContent(gzinflate(substr($this->drupalGetContent(), 10, -8)));
+$this->assertRaw('</html>', 'Page was gzip compressed.');
+// Verify that cached output is compressed.
+$this->drupalGet('', array(), array('Accept-Encoding: gzip,deflate'));
+$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
+$this->assertEqual($this->drupalGetHeader('Content-Encoding'), 'gzip', 'A Content-Encoding header was sent.');
+$this->drupalSetContent(gzinflate(substr($this->drupalGetContent(), 10, -8)));
+$this->assertRaw('</html>', 'Page was gzip compressed.');
+// Verify that a client without compression support gets an uncompressed page.
+$this->drupalGet('');
+$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
+$this->assertFalse($this->drupalGetHeader('Content-Encoding'), 'A Content-Encoding header was not sent.');
+$this->assertTitle(t('Welcome to @site-name | @site-name', array('@site-name' => variable_get('site_name', 'Drupal'))), 'Site title matches.');
+$this->assertRaw('</html>', 'Page was not compressed.');
+// Disable compression mode.
+variable_set('page_compression', FALSE);
+// Verify if cached page is still available for a client with compression support.
+$this->drupalGet('', array(), array('Accept-Encoding: gzip,deflate'));
+$this->drupalSetContent(gzinflate(substr($this->drupalGetContent(), 10, -8)));
+$this->assertRaw('</html>', 'Page was delivered after compression mode is changed (compression support enabled).');
+// Verify if cached page is still available for a client without compression support.
+$this->drupalGet('');
+$this->assertRaw('</html>', 'Page was delivered after compression mode is changed (compression support disabled).');
+}
+}
+class BootstrapVariableTestCase extends DrupalWebTestCase {
+function setUp() {
+parent::setUp('system_test');
+}
+public static function getInfo() {
+return array(
+'name' => 'Variable test',
+'description' => 'Make sure the variable system functions correctly.',
+'group' => 'Bootstrap'
+);
+}
+/**
+* testVariable
+*/
+function testVariable() {
+// Setting and retrieving values.
+$variable = $this->randomName();
+variable_set('simpletest_bootstrap_variable_test', $variable);
+$this->assertIdentical($variable, variable_get('simpletest_bootstrap_variable_test'), 'Setting and retrieving values');
+// Make sure the variable persists across multiple requests.
+$this->drupalGet('system-test/variable-get');
+$this->assertText($variable, 'Variable persists across multiple requests');
+// Deleting variables.
+$default_value = $this->randomName();
+variable_del('simpletest_bootstrap_variable_test');
+$variable = variable_get('simpletest_bootstrap_variable_test', $default_value);
+$this->assertIdentical($variable, $default_value, 'Deleting variables');
+}
+/**
+* Makes sure that the default variable parameter is passed through okay.
+*/
+function testVariableDefaults() {
+// Tests passing nothing through to the default.
+$this->assertIdentical(NULL, variable_get('simpletest_bootstrap_variable_test'), 'Variables are correctly defaulting to NULL.');
+// Tests passing 5 to the default parameter.
+$this->assertIdentical(5, variable_get('simpletest_bootstrap_variable_test', 5), 'The default variable parameter is passed through correctly.');
+}
+}
+/**
+* Tests the auto-loading behavior of the code registry.
+*/
+class BootstrapAutoloadTestCase extends DrupalWebTestCase {
+public static function getInfo() {
+return array(
+'name' => 'Code registry',
+'description' => 'Test that the code registry functions correctly.',
+'group' => 'Bootstrap',
+);
+}
+function setUp() {
+parent::setUp('drupal_autoload_test');
+}
+/**
+* Tests that autoloader name matching is not case sensitive.
+*/
+function testAutoloadCase() {
+// Test interface autoloader.
+$this->assertTrue(drupal_autoload_interface('drupalautoloadtestinterface'), 'drupal_autoload_interface() recognizes <em>DrupalAutoloadTestInterface</em> in lower case.');
+// Test class autoloader.
+$this->assertTrue(drupal_autoload_class('drupalautoloadtestclass'), 'drupal_autoload_class() recognizes <em>DrupalAutoloadTestClass</em> in lower case.');
+// Test trait autoloader.
+if (version_compare(PHP_VERSION, '5.4') >= 0) {
+$this->assertTrue(drupal_autoload_trait('drupalautoloadtesttrait'), 'drupal_autoload_trait() recognizes <em>DrupalAutoloadTestTrait</em> in lower case.');
+}
+}
+}
+/**
+* Test hook_boot() and hook_exit().
+*/
+class HookBootExitTestCase extends DrupalWebTestCase {
+public static function getInfo() {
+return array(
+'name' => 'Boot and exit hook invocation',
+'description' => 'Test that hook_boot() and hook_exit() are called correctly.',
+'group' => 'Bootstrap',
+);
+}
+function setUp() {
+parent::setUp('system_test', 'dblog');
+}
+/**
+* Test calling of hook_boot() and hook_exit().
+*/
+function testHookBootExit() {
+// Test with cache disabled. Boot and exit should always fire.
+variable_set('cache', 0);
+$this->drupalGet('');
+$calls = 1;
+$this->assertEqual(db_query('SELECT COUNT(*) FROM {watchdog} WHERE type = :type AND message = :message', array(':type' => 'system_test', ':message' => 'hook_boot'))->fetchField(), $calls, t('hook_boot called with disabled cache.'));
+$this->assertEqual(db_query('SELECT COUNT(*) FROM {watchdog} WHERE type = :type AND message = :message', array(':type' => 'system_test', ':message' => 'hook_exit'))->fetchField(), $calls, t('hook_exit called with disabled cache.'));
+// Test with normal cache. Boot and exit should be called.
+variable_set('cache', 1);
+$this->drupalGet('');
+$calls++;
+$this->assertEqual(db_query('SELECT COUNT(*) FROM {watchdog} WHERE type = :type AND message = :message', array(':type' => 'system_test', ':message' => 'hook_boot'))->fetchField(), $calls, t('hook_boot called with normal cache.'));
+$this->assertEqual(db_query('SELECT COUNT(*) FROM {watchdog} WHERE type = :type AND message = :message', array(':type' => 'system_test', ':message' => 'hook_exit'))->fetchField(), $calls, t('hook_exit called with normal cache.'));
+// Boot and exit should not fire since the page is cached.
+variable_set('page_cache_invoke_hooks', FALSE);
+$this->assertTrue(cache_get(url('', array('absolute' => TRUE)), 'cache_page'), t('Page has been cached.'));
+$this->drupalGet('');
+$this->assertEqual(db_query('SELECT COUNT(*) FROM {watchdog} WHERE type = :type AND message = :message', array(':type' => 'system_test', ':message' => 'hook_boot'))->fetchField(), $calls, t('hook_boot not called with aggressive cache and a cached page.'));
+$this->assertEqual(db_query('SELECT COUNT(*) FROM {watchdog} WHERE type = :type AND message = :message', array(':type' => 'system_test', ':message' => 'hook_exit'))->fetchField(), $calls, t('hook_exit not called with aggressive cache and a cached page.'));
+// Test with page cache cleared, boot and exit should be called.
+$this->assertTrue(db_delete('cache_page')->execute(), t('Page cache cleared.'));
+$this->drupalGet('');
+$calls++;
+$this->assertEqual(db_query('SELECT COUNT(*) FROM {watchdog} WHERE type = :type AND message = :message', array(':type' => 'system_test', ':message' => 'hook_boot'))->fetchField(), $calls, t('hook_boot called with aggressive cache and no cached page.'));
+$this->assertEqual(db_query('SELECT COUNT(*) FROM {watchdog} WHERE type = :type AND message = :message', array(':type' => 'system_test', ':message' => 'hook_exit'))->fetchField(), $calls, t('hook_exit called with aggressive cache and no cached page.'));
+}
+}
+/**
+* Test drupal_get_filename()'s availability.
+*/
+class BootstrapGetFilenameTestCase extends DrupalUnitTestCase {
+public static function getInfo() {
+return array(
+'name' => 'Get filename test (without the system table)',
+'description' => 'Test that drupal_get_filename() works correctly when the database is not available.',
+'group' => 'Bootstrap',
+);
+}
+/**
+* The last file-related error message triggered by the filename test.
+*
+* Used by BootstrapGetFilenameTestCase::testDrupalGetFilename().
+*/
+protected $getFilenameTestTriggeredError;
+/**
+* Test that drupal_get_filename() works correctly when the file is not found in the database.
+*/
+function testDrupalGetFilename() {
+// Reset the static cache so we can test the "db is not active" code of
+// drupal_get_filename().
+drupal_static_reset('drupal_get_filename');
+// Retrieving the location of a module.
+$this->assertIdentical(drupal_get_filename('module', 'php'), 'modules/php/php.module', t('Retrieve module location.'));
+// Retrieving the location of a theme.
+$this->assertIdentical(drupal_get_filename('theme', 'stark'), 'themes/stark/stark.info', t('Retrieve theme location.'));
+// Retrieving the location of a theme engine.
+$this->assertIdentical(drupal_get_filename('theme_engine', 'phptemplate'), 'themes/engines/phptemplate/phptemplate.engine', t('Retrieve theme engine location.'));
+// Retrieving the location of a profile. Profiles are a special case with
+// a fixed location and naming.
+$this->assertIdentical(drupal_get_filename('profile', 'standard'), 'profiles/standard/standard.profile', t('Retrieve install profile location.'));
+// When a file is not found in the database cache, drupal_get_filename()
+// searches several locations on the filesystem, including the DRUPAL_ROOT
+// directory. We use the '.script' extension below because this is a
+// non-existent filetype that will definitely not exist in the database.
+// Since there is already a scripts directory, drupal_get_filename() will
+// automatically check there for 'script' files, just as it does for (e.g.)
+// 'module' files in modules.
+$this->assertIdentical(drupal_get_filename('script', 'test'), 'scripts/test.script', t('Retrieve test script location.'));
+// When searching for a module that does not exist, drupal_get_filename()
+// should return NULL and trigger an appropriate error message.
+$this->getFilenameTestTriggeredError = NULL;
+set_error_handler(array($this, 'fileNotFoundErrorHandler'));
+$non_existing_module = $this->randomName();
+$this->assertNull(drupal_get_filename('module', $non_existing_module), 'Searching for a module that does not exist returns NULL.');
+$this->assertTrue(strpos($this->getFilenameTestTriggeredError, format_string('The following module is missing from the file system: %name', array('%name' => $non_existing_module))) === 0, 'Searching for an item that does not exist triggers the correct error.');
+restore_error_handler();
+// Check that the result is stored in the file system scan cache.
+$file_scans = _drupal_file_scan_cache();
+$this->assertIdentical($file_scans['module'][$non_existing_module], FALSE, 'Searching for a module that does not exist creates a record in the missing and moved files static variable.');
+// Performing the search again in the same request still should not find
+// the file, but the error message should not be repeated (therefore we do
+// not override the error handler here).
+$this->assertNull(drupal_get_filename('module', $non_existing_module), 'Searching for a module that does not exist returns NULL during the second search.');
+}
+/**
+* Skips handling of "file not found" errors.
+*/
+public function fileNotFoundErrorHandler($error_level, $message, $filename, $line, $context) {
+// Skip error handling if this is a "file not found" error.
+if (strpos($message, 'is missing from the file system:') !== FALSE || strpos($message, 'has moved within the file system:') !== FALSE) {
+$this->getFilenameTestTriggeredError = $message;
+return;
+}
+_drupal_error_handler($error_level, $message, $filename, $line, $context);
+}
+}
+/**
+* Test drupal_get_filename() in the context of a full Drupal installation.
+*/
+class BootstrapGetFilenameWebTestCase extends DrupalWebTestCase {
+public static function getInfo() {
+return array(
+'name' => 'Get filename test (full installation)',
+'description' => 'Test that drupal_get_filename() works correctly in the context of a full Drupal installation.',
+'group' => 'Bootstrap',
+);
+}
+function setUp() {
+parent::setUp('system_test');
+}
+/**
+* The last file-related error message triggered by the filename test.
+*
+* Used by BootstrapGetFilenameWebTestCase::testDrupalGetFilename().
+*/
+protected $getFilenameTestTriggeredError;
+/**
+* Test that drupal_get_filename() works correctly with a full Drupal site.
+*/
+function testDrupalGetFilename() {
+// Search for a module that exists in the file system and the {system}
+// table and make sure that it is found.
+$this->assertIdentical(drupal_get_filename('module', 'node'), 'modules/node/node.module', 'Module found at expected location.');
+// Search for a module that does not exist in either the file system or the
+// {system} table. Make sure that an appropriate error is triggered and
+// that the module winds up in the static and persistent cache.
+$this->getFilenameTestTriggeredError = NULL;
+set_error_handler(array($this, 'fileNotFoundErrorHandler'));
+$non_existing_module = $this->randomName();
+$this->assertNull(drupal_get_filename('module', $non_existing_module), 'Searching for a module that does not exist returns NULL.');
+$this->assertTrue(strpos($this->getFilenameTestTriggeredError, format_string('The following module is missing from the file system: %name', array('%name' => $non_existing_module))) === 0, 'Searching for a module that does not exist triggers the correct error.');
+restore_error_handler();
+$file_scans = _drupal_file_scan_cache();
+$this->assertIdentical($file_scans['module'][$non_existing_module], FALSE, 'Searching for a module that does not exist creates a record in the missing and moved files static variable.');
+drupal_file_scan_write_cache();
+$cache = cache_get('_drupal_file_scan_cache', 'cache_bootstrap');
+$this->assertIdentical($cache->data['module'][$non_existing_module], FALSE, 'Searching for a module that does not exist creates a record in the missing and moved files persistent cache.');
+// Simulate moving a module to a location that does not match the location
+// in the {system} table and perform similar tests as above.
+db_update('system')
+->fields(array('filename' => 'modules/simpletest/tests/fake_location/module_test.module'))
+->condition('name', 'module_test')
+->condition('type', 'module')
+->execute();
+$this->getFilenameTestTriggeredError = NULL;
+set_error_handler(array($this, 'fileNotFoundErrorHandler'));
+$this->assertIdentical(drupal_get_filename('module', 'module_test'), 'modules/simpletest/tests/module_test.module', 'Searching for a module that has moved finds the module at its new location.');
+$this->assertTrue(strpos($this->getFilenameTestTriggeredError, format_string('The following module has moved within the file system: %name', array('%name' => 'module_test'))) === 0, 'Searching for a module that has moved triggers the correct error.');
+restore_error_handler();
+$file_scans = _drupal_file_scan_cache();
+$this->assertIdentical($file_scans['module']['module_test'], 'modules/simpletest/tests/module_test.module', 'Searching for a module that has moved creates a record in the missing and moved files static variable.');
+drupal_file_scan_write_cache();
+$cache = cache_get('_drupal_file_scan_cache', 'cache_bootstrap');
+$this->assertIdentical($cache->data['module']['module_test'], 'modules/simpletest/tests/module_test.module', 'Searching for a module that has moved creates a record in the missing and moved files persistent cache.');
+// Simulate a module that exists in the {system} table but does not exist
+// in the file system and perform similar tests as above.
+$non_existing_module = $this->randomName();
+db_update('system')
+->fields(array('name' => $non_existing_module))
+->condition('name', 'module_test')
+->condition('type', 'module')
+->execute();
+$this->getFilenameTestTriggeredError = NULL;
+set_error_handler(array($this, 'fileNotFoundErrorHandler'));
+$this->assertNull(drupal_get_filename('module', $non_existing_module), 'Searching for a module that exists in the system table but not in the file system returns NULL.');
+$this->assertTrue(strpos($this->getFilenameTestTriggeredError, format_string('The following module is missing from the file system: %name', array('%name' => $non_existing_module))) === 0, 'Searching for a module that exists in the system table but not in the file system triggers the correct error.');
+restore_error_handler();
+$file_scans = _drupal_file_scan_cache();
+$this->assertIdentical($file_scans['module'][$non_existing_module], FALSE, 'Searching for a module that exists in the system table but not in the file system creates a record in the missing and moved files static variable.');
+drupal_file_scan_write_cache();
+$cache = cache_get('_drupal_file_scan_cache', 'cache_bootstrap');
+$this->assertIdentical($cache->data['module'][$non_existing_module], FALSE, 'Searching for a module that exists in the system table but not in the file system creates a record in the missing and moved files persistent cache.');
+// Simulate a module that exists in the file system but not in the {system}
+// table and perform similar tests as above.
+db_delete('system')
+->condition('name', 'common_test')
+->condition('type', 'module')
+->execute();
+system_list_reset();
+$this->getFilenameTestTriggeredError = NULL;
+set_error_handler(array($this, 'fileNotFoundErrorHandler'));
+$this->assertIdentical(drupal_get_filename('module', 'common_test'), 'modules/simpletest/tests/common_test.module', 'Searching for a module that does not exist in the system table finds the module at its actual location.');
+$this->assertTrue(strpos($this->getFilenameTestTriggeredError, format_string('The following module has moved within the file system: %name', array('%name' => 'common_test'))) === 0, 'Searching for a module that does not exist in the system table triggers the correct error.');
+restore_error_handler();
+$file_scans = _drupal_file_scan_cache();
+$this->assertIdentical($file_scans['module']['common_test'], 'modules/simpletest/tests/common_test.module', 'Searching for a module that does not exist in the system table creates a record in the missing and moved files static variable.');
+drupal_file_scan_write_cache();
+$cache = cache_get('_drupal_file_scan_cache', 'cache_bootstrap');
+$this->assertIdentical($cache->data['module']['common_test'], 'modules/simpletest/tests/common_test.module', 'Searching for a module that does not exist in the system table creates a record in the missing and moved files persistent cache.');
+}
+/**
+* Skips handling of "file not found" errors.
+*/
+public function fileNotFoundErrorHandler($error_level, $message, $filename, $line, $context) {
+// Skip error handling if this is a "file not found" error.
+if (strpos($message, 'is missing from the file system:') !== FALSE || strpos($message, 'has moved within the file system:') !== FALSE) {
+$this->getFilenameTestTriggeredError = $message;
+return;
+}
+_drupal_error_handler($error_level, $message, $filename, $line, $context);
+}
+/**
+* Test that watchdog messages about missing files are correctly recorded.
+*/
+public function testWatchdog() {
+// Search for a module that does not exist in either the file system or the
+// {system} table. Make sure that an appropriate warning is recorded in the
+// logs.
+$non_existing_module = $this->randomName();
+$query_parameters = array(
+':type' => 'php',
+':severity' => WATCHDOG_WARNING,
+);
+$this->assertEqual(db_query('SELECT COUNT(*) FROM {watchdog} WHERE type = :type AND severity = :severity', $query_parameters)->fetchField(), 0, 'No warning message appears in the logs before searching for a module that does not exist.');
+// Trigger the drupal_get_filename() call. This must be done via a request
+// to a separate URL since the watchdog() will happen in a shutdown
+// function, and so that SimpleTest can be told to ignore (and not fail as
+// a result of) the expected PHP warnings generated during this process.
+variable_set('system_test_drupal_get_filename_test_module_name', $non_existing_module);
+$this->drupalGet('system-test/drupal-get-filename');
+$message_variables = db_query('SELECT variables FROM {watchdog} WHERE type = :type AND severity = :severity', $query_parameters)->fetchCol();
+$this->assertEqual(count($message_variables), 1, 'A single warning message appears in the logs after searching for a module that does not exist.');
+$variables = reset($message_variables);
+$variables = unserialize($variables);
+$this->assertTrue(isset($variables['!message']) && strpos($variables['!message'], format_string('The following module is missing from the file system: %name', array('%name' => $non_existing_module))) !== FALSE, 'The warning message that appears in the logs after searching for a module that does not exist contains the expected text.');
+}
+/**
+* Test that drupal_get_filename() does not break recursive rebuilds.
+*/
+public function testRecursiveRebuilds() {
+// Ensure that the drupal_get_filename() call due to a missing module does
+// not break the data returned by an attempted recursive rebuild. The code
+// path which is tested is as follows:
+// - Call drupal_get_schema().
+// - Within a hook_schema() implementation, trigger a drupal_get_filename()
+//   search for a nonexistent module.
+// - In the watchdog() call that results from that, trigger
+//   drupal_get_schema() again.
+// Without some kind of recursion protection, this could cause the second
+// drupal_get_schema() call to return incomplete results. This test ensures
+// that does not happen.
+$non_existing_module = $this->randomName();
+variable_set('system_test_drupal_get_filename_test_module_name', $non_existing_module);
+$this->drupalGet('system-test/drupal-get-filename-with-schema-rebuild');
+$original_drupal_get_schema_tables = variable_get('system_test_drupal_get_filename_with_schema_rebuild_original_tables');
+$final_drupal_get_schema_tables = variable_get('system_test_drupal_get_filename_with_schema_rebuild_final_tables');
+$this->assertTrue(!empty($original_drupal_get_schema_tables));
+$this->assertTrue(!empty($final_drupal_get_schema_tables));
+$this->assertEqual($original_drupal_get_schema_tables, $final_drupal_get_schema_tables);
+}
+}
+class BootstrapTimerTestCase extends DrupalUnitTestCase {
+public static function getInfo() {
+return array(
+'name' => 'Timer test',
+'description' => 'Test that timer_read() works both when a timer is running and when a timer is stopped.',
+'group' => 'Bootstrap',
+);
+}
+/**
+* Test timer_read() to ensure it properly accumulates time when the timer
+* started and stopped multiple times.
+* @return
+*/
+function testTimer() {
+timer_start('test');
+sleep(1);
+$this->assertTrue(timer_read('test') >= 1000, 'Timer measured 1 second of sleeping while running.');
+sleep(1);
+timer_stop('test');
+$this->assertTrue(timer_read('test') >= 2000, 'Timer measured 2 seconds of sleeping after being stopped.');
+timer_start('test');
+sleep(1);
+$this->assertTrue(timer_read('test') >= 3000, 'Timer measured 3 seconds of sleeping after being restarted.');
+sleep(1);
+$timer = timer_stop('test');
+$this->assertTrue(timer_read('test') >= 4000, 'Timer measured 4 seconds of sleeping after being stopped for a second time.');
+$this->assertEqual($timer['count'], 2, 'Timer counted 2 instances of being started.');
+}
+}
+/**
+* Test that resetting static variables works.
+*/
+class BootstrapResettableStaticTestCase extends DrupalUnitTestCase {
+public static function getInfo() {
+return array(
+'name' => 'Resettable static variables test',
+'description' => 'Test that drupal_static() and drupal_static_reset() work.',
+'group' => 'Bootstrap',
+);
+}
+/**
+* Test that a variable reference returned by drupal_static() gets reset when
+* drupal_static_reset() is called.
+*/
+function testDrupalStatic() {
+$name = __CLASS__ . '_' . __METHOD__;
+$var = &drupal_static($name, 'foo');
+$this->assertEqual($var, 'foo', 'Variable returned by drupal_static() was set to its default.');
+// Call the specific reset and the global reset each twice to ensure that
+// multiple resets can be issued without odd side effects.
+$var = 'bar';
+drupal_static_reset($name);
+$this->assertEqual($var, 'foo', 'Variable was reset after first invocation of name-specific reset.');
+$var = 'bar';
+drupal_static_reset($name);
+$this->assertEqual($var, 'foo', 'Variable was reset after second invocation of name-specific reset.');
+$var = 'bar';
+drupal_static_reset();
+$this->assertEqual($var, 'foo', 'Variable was reset after first invocation of global reset.');
+$var = 'bar';
+drupal_static_reset();
+$this->assertEqual($var, 'foo', 'Variable was reset after second invocation of global reset.');
+}
+}
+/**
+* Test miscellaneous functions in bootstrap.inc.
+*/
+class BootstrapMiscTestCase extends DrupalUnitTestCase {
+public static function getInfo() {
+return array(
+'name' => 'Miscellaneous bootstrap unit tests',
+'description' => 'Test miscellaneous functions in bootstrap.inc.',
+'group' => 'Bootstrap',
+);
+}
+/**
+* Test miscellaneous functions in bootstrap.inc.
+*/
+function testMisc() {
+// Test drupal_array_merge_deep().
+$link_options_1 = array('fragment' => 'x', 'attributes' => array('title' => 'X', 'class' => array('a', 'b')), 'language' => 'en');
+$link_options_2 = array('fragment' => 'y', 'attributes' => array('title' => 'Y', 'class' => array('c', 'd')), 'html' => TRUE);
+$expected = array('fragment' => 'y', 'attributes' => array('title' => 'Y', 'class' => array('a', 'b', 'c', 'd')), 'language' => 'en', 'html' => TRUE);
+$this->assertIdentical(drupal_array_merge_deep($link_options_1, $link_options_2), $expected, 'drupal_array_merge_deep() returned a properly merged array.');
+}
+/**
+* Tests that the drupal_check_memory_limit() function works as expected.
+*/
+function testCheckMemoryLimit() {
+$memory_limit = ini_get('memory_limit');
+// Test that a very reasonable amount of memory is available.
+$this->assertTrue(drupal_check_memory_limit('30MB'), '30MB of memory tested available.');
+// Get the available memory and multiply it by two to make it unreasonably
+// high.
+$twice_avail_memory = ($memory_limit * 2) . 'MB';
+// The function should always return true if the memory limit is set to -1.
+$this->assertTrue(drupal_check_memory_limit($twice_avail_memory, -1), 'drupal_check_memory_limit() returns TRUE when a limit of -1 (none) is supplied');
+// Test that even though we have 30MB of memory available - the function
+// returns FALSE when given an upper limit for how much memory can be used.
+$this->assertFalse(drupal_check_memory_limit('30MB', '16MB'), 'drupal_check_memory_limit() returns FALSE with a 16MB upper limit on a 30MB requirement.');
+// Test that an equal amount of memory to the amount requested returns TRUE.
+$this->assertTrue(drupal_check_memory_limit('30MB', '30MB'), 'drupal_check_memory_limit() returns TRUE when requesting 30MB on a 30MB requirement.');
+}
+}
+/**
+* Tests for overriding server variables via the API.
+*/
+class BootstrapOverrideServerVariablesTestCase extends DrupalUnitTestCase {
+public static function getInfo() {
+return array(
+'name' => 'Overriding server variables',
+'description' => 'Test that drupal_override_server_variables() works correctly.',
+'group' => 'Bootstrap',
+);
+}
+/**
+* Test providing a direct URL to to drupal_override_server_variables().
+*/
+function testDrupalOverrideServerVariablesProvidedURL() {
+$tests = array(
+'http://example.com' => array(
+'HTTP_HOST' => 'example.com',
+'SCRIPT_NAME' => isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME'] : NULL,
+),
+'http://example.com/index.php' => array(
+'HTTP_HOST' => 'example.com',
+'SCRIPT_NAME' => '/index.php',
+),
+'http://example.com/subdirectory/index.php' => array(
+'HTTP_HOST' => 'example.com',
+'SCRIPT_NAME' => '/subdirectory/index.php',
+),
+);
+foreach ($tests as $url => $expected_server_values) {
+// Remember the original value of $_SERVER, since the function call below
+// will modify it.
+$original_server = $_SERVER;
+// Call drupal_override_server_variables() and ensure that all expected
+// $_SERVER variables were modified correctly.
+drupal_override_server_variables(array('url' => $url));
+foreach ($expected_server_values as $key => $value) {
+$this->assertIdentical($_SERVER[$key], $value);
+}
+// Restore the original value of $_SERVER.
+$_SERVER = $original_server;
+}
+}
+}
+/**
+* Tests for $_GET['destination'] and $_REQUEST['destination'] validation.
+*/
+class BootstrapDestinationTestCase extends DrupalWebTestCase {
+public static function getInfo() {
+return array(
+'name' => 'URL destination validation',
+'description' => 'Test that $_GET[\'destination\'] and $_REQUEST[\'destination\'] cannot contain external URLs.',
+'group' => 'Bootstrap',
+);
+}
+function setUp() {
+parent::setUp('system_test');
+}
+/**
+* Tests that $_GET/$_REQUEST['destination'] only contain internal URLs.
+*
+* @see _drupal_bootstrap_variables()
+* @see system_test_get_destination()
+* @see system_test_request_destination()
+*/
+public function testDestination() {
+$test_cases = array(
+array(
+'input' => 'node',
+'output' => 'node',
+'message' => "Standard internal example node path is present in the 'destination' parameter.",
+),
+array(
+'input' => '/example.com',
+'output' => '/example.com',
+'message' => 'Internal path with one leading slash is allowed.',
+),
+array(
+'input' => '//example.com/test',
+'output' => '',
+'message' => 'External URL without scheme is not allowed.',
+),
+array(
+'input' => 'example:test',
+'output' => 'example:test',
+'message' => 'Internal URL using a colon is allowed.',
+),
+array(
+'input' => 'http://example.com',
+'output' => '',
+'message' => 'External URL is not allowed.',
+),
+array(
+'input' => 'javascript:alert(0)',
+'output' => 'javascript:alert(0)',
+'message' => 'Javascript URL is allowed because it is treated as an internal URL.',
+),
+);
+foreach ($test_cases as $test_case) {
+// Test $_GET['destination'].
+$this->drupalGet('system-test/get-destination', array('query' => array('destination' => $test_case['input'])));
+$this->assertIdentical($test_case['output'], $this->drupalGetContent(), $test_case['message']);
+// Test $_REQUEST['destination']. There's no form to submit to, so
+// drupalPost() won't work here; this just tests a direct $_POST request
+// instead.
+$curl_parameters = array(
+CURLOPT_URL => $this->getAbsoluteUrl('system-test/request-destination'),
+CURLOPT_POST => TRUE,
+CURLOPT_POSTFIELDS => 'destination=' . urlencode($test_case['input']),
+CURLOPT_HTTPHEADER => array(),
+);
+$post_output = $this->curlExec($curl_parameters);
+$this->assertIdentical($test_case['output'], $post_output, $test_case['message']);
+}
+// Make sure that 404 pages do not populate $_GET['destination'] with
+// external URLs.
+variable_set('site_404', 'system-test/get-destination');
+$this->drupalGet('http://example.com', array('external' => FALSE));
+$this->assertIdentical('', $this->drupalGetContent(), 'External URL is not allowed on 404 pages.');
+}
+}