drupal/core/modules/simpletest/simpletest.test

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<?php
/**
* @file
* Tests for simpletest.module.
*/
class SimpleTestFunctionalTest extends DrupalWebTestCase {
/**
* The results array that has been parsed by getTestResults().
*/
protected $childTestResults;
/**
* Store the test ID from each test run for comparison, to ensure they are
* incrementing.
*/
protected $test_ids = array();
public static function getInfo() {
return array(
'name' => 'SimpleTest functionality',
'description' => "Test SimpleTest's web interface: check that the intended tests were run and ensure that test reports display the intended results. Also test SimpleTest's internal browser and APIs both explicitly and implicitly.",
'group' => 'SimpleTest'
);
}
function setUp() {
if (!$this->inCURL()) {
parent::setUp('simpletest');
// Create and login user
$admin_user = $this->drupalCreateUser(array('administer unit tests'));
$this->drupalLogin($admin_user);
}
else {
parent::setUp('non_existent_module');
}
}
/**
* Test the internal browsers functionality.
*/
function testInternalBrowser() {
global $conf;
if (!$this->inCURL()) {
$this->drupalGet('node');
$this->assertTrue($this->drupalGetHeader('Date'), t('An HTTP header was received.'));
$this->assertTitle(t('Welcome to @site-name | @site-name', array('@site-name' => variable_get('site_name', 'Drupal'))), t('Site title matches.'));
$this->assertNoTitle('Foo', t('Site title does not match.'));
// Make sure that we are locked out of the installer when prefixing
// using the user-agent header. This is an important security check.
global $base_url;
$this->drupalGet($base_url . '/core/install.php', array('external' => TRUE));
$this->assertResponse(403, 'Cannot access install.php with a "simpletest" user-agent header.');
$user = $this->drupalCreateUser();
$this->drupalLogin($user);
$headers = $this->drupalGetHeaders(TRUE);
$this->assertEqual(count($headers), 2, t('There was one intermediate request.'));
$this->assertTrue(strpos($headers[0][':status'], '302') !== FALSE, t('Intermediate response code was 302.'));
$this->assertFalse(empty($headers[0]['location']), t('Intermediate request contained a Location header.'));
$this->assertEqual($this->getUrl(), $headers[0]['location'], t('HTTP redirect was followed'));
$this->assertFalse($this->drupalGetHeader('Location'), t('Headers from intermediate request were reset.'));
$this->assertResponse(200, t('Response code from intermediate request was reset.'));
// Test the maximum redirection option.
$this->drupalLogout();
$edit = array(
'name' => $user->name,
'pass' => $user->pass_raw
);
variable_set('simpletest_maximum_redirects', 1);
$this->drupalPost('user?destination=user/logout', $edit, t('Log in'));
$headers = $this->drupalGetHeaders(TRUE);
$this->assertEqual(count($headers), 2, t('Simpletest stopped following redirects after the first one.'));
}
}
/**
* Test validation of the User-Agent header we use to perform test requests.
*/
function testUserAgentValidation() {
if (!$this->inCURL()) {
global $base_url;
$simpletest_path = $base_url . '/' . drupal_get_path('module', 'simpletest');
$HTTP_path = $simpletest_path .'/tests/http.php?q=node';
$https_path = $simpletest_path .'/tests/https.php?q=node';
// Generate a valid simpletest User-Agent to pass validation.
$this->assertTrue(preg_match('/simpletest\d+/', $this->databasePrefix, $matches), t('Database prefix contains simpletest prefix.'));
$test_ua = drupal_generate_test_ua($matches[0]);
$this->additionalCurlOptions = array(CURLOPT_USERAGENT => $test_ua);
// Test pages only available for testing.
$this->drupalGet($HTTP_path);
$this->assertResponse(200, t('Requesting http.php with a legitimate simpletest User-Agent returns OK.'));
$this->drupalGet($https_path);
$this->assertResponse(200, t('Requesting https.php with a legitimate simpletest User-Agent returns OK.'));
// Now slightly modify the HMAC on the header, which should not validate.
$this->additionalCurlOptions = array(CURLOPT_USERAGENT => $test_ua . 'X');
$this->drupalGet($HTTP_path);
$this->assertResponse(403, t('Requesting http.php with a bad simpletest User-Agent fails.'));
$this->drupalGet($https_path);
$this->assertResponse(403, t('Requesting https.php with a bad simpletest User-Agent fails.'));
// Use a real User-Agent and verify that the special files http.php and
// https.php can't be accessed.
$this->additionalCurlOptions = array(CURLOPT_USERAGENT => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12');
$this->drupalGet($HTTP_path);
$this->assertResponse(403, t('Requesting http.php with a normal User-Agent fails.'));
$this->drupalGet($https_path);
$this->assertResponse(403, t('Requesting https.php with a normal User-Agent fails.'));
}
}
/**
* Make sure that tests selected through the web interface are run and
* that the results are displayed correctly.
*/
function testWebTestRunner() {
$this->pass = t('SimpleTest pass.');
$this->fail = t('SimpleTest fail.');
$this->valid_permission = 'access content';
$this->invalid_permission = 'invalid permission';
if ($this->inCURL()) {
// Only run following code if this test is running itself through a CURL request.
$this->stubTest();
}
else {
// Run twice so test_ids can be accumulated.
for ($i = 0; $i < 2; $i++) {
// Run this test from web interface.
$this->drupalGet('admin/config/development/testing');
$edit = array();
$edit['SimpleTestFunctionalTest'] = TRUE;
$this->drupalPost(NULL, $edit, t('Run tests'));
// Parse results and confirm that they are correct.
$this->getTestResults();
$this->confirmStubTestResults();
}
// Regression test for #290316.
// Check that test_id is incrementing.
$this->assertTrue($this->test_ids[0] != $this->test_ids[1], t('Test ID is incrementing.'));
}
}
/**
* Test to be run and the results confirmed.
*/
function stubTest() {
$this->pass($this->pass);
$this->fail($this->fail);
$this->drupalCreateUser(array($this->valid_permission));
$this->drupalCreateUser(array($this->invalid_permission));
$this->pass(t('Test ID is @id.', array('@id' => $this->testId)));
// Generates a warning.
$i = 1 / 0;
// Call an assert function specific to that class.
$this->assertNothing();
// Generates a warning inside a PHP function.
array_key_exists(NULL, NULL);
debug('Foo', 'Debug');
}
/**
* Assert nothing.
*/
function assertNothing() {
$this->pass("This is nothing.");
}
/**
* Confirm that the stub test produced the desired results.
*/
function confirmStubTestResults() {
$this->assertAssertion(t('Enabled modules: %modules', array('%modules' => 'non_existent_module')), 'Other', 'Fail', 'simpletest.test', 'SimpleTestFunctionalTest->setUp()');
$this->assertAssertion($this->pass, 'Other', 'Pass', 'simpletest.test', 'SimpleTestFunctionalTest->stubTest()');
$this->assertAssertion($this->fail, 'Other', 'Fail', 'simpletest.test', 'SimpleTestFunctionalTest->stubTest()');
$this->assertAssertion(t('Created permissions: @perms', array('@perms' => $this->valid_permission)), 'Role', 'Pass', 'simpletest.test', 'SimpleTestFunctionalTest->stubTest()');
$this->assertAssertion(t('Invalid permission %permission.', array('%permission' => $this->invalid_permission)), 'Role', 'Fail', 'simpletest.test', 'SimpleTestFunctionalTest->stubTest()');
// Check that a warning is caught by simpletest.
$this->assertAssertion('Division by zero', 'Warning', 'Fail', 'simpletest.test', 'SimpleTestFunctionalTest->stubTest()');
// Check that the backtracing code works for specific assert function.
$this->assertAssertion('This is nothing.', 'Other', 'Pass', 'simpletest.test', 'SimpleTestFunctionalTest->stubTest()');
// Check that errors that occur inside PHP internal functions are correctly reported.
// The exact error message differs between PHP versions so we check only
// the function name 'array_key_exists'.
$this->assertAssertion('array_key_exists', 'Warning', 'Fail', 'simpletest.test', 'SimpleTestFunctionalTest->stubTest()');
$this->assertAssertion("Debug: 'Foo'", 'Debug', 'Fail', 'simpletest.test', 'SimpleTestFunctionalTest->stubTest()');
$this->assertEqual('6 passes, 5 fails, 2 exceptions, and 1 debug message', $this->childTestResults['summary'], 'Stub test summary is correct');
$this->test_ids[] = $test_id = $this->getTestIdFromResults();
$this->assertTrue($test_id, t('Found test ID in results.'));
}
/**
* Fetch the test id from the test results.
*/
function getTestIdFromResults() {
foreach ($this->childTestResults['assertions'] as $assertion) {
if (preg_match('@^Test ID is ([0-9]*)\.$@', $assertion['message'], $matches)) {
return $matches[1];
}
}
return NULL;
}
/**
* Assert that an assertion with the specified values is displayed
* in the test results.
*
* @param string $message Assertion message.
* @param string $type Assertion type.
* @param string $status Assertion status.
* @param string $file File where the assertion originated.
* @param string $functuion Function where the assertion originated.
* @return Assertion result.
*/
function assertAssertion($message, $type, $status, $file, $function) {
$message = trim(strip_tags($message));
$found = FALSE;
foreach ($this->childTestResults['assertions'] as $assertion) {
if ((strpos($assertion['message'], $message) !== FALSE) &&
$assertion['type'] == $type &&
$assertion['status'] == $status &&
$assertion['file'] == $file &&
$assertion['function'] == $function) {
$found = TRUE;
break;
}
}
return $this->assertTrue($found, t('Found assertion {"@message", "@type", "@status", "@file", "@function"}.', array('@message' => $message, '@type' => $type, '@status' => $status, "@file" => $file, "@function" => $function)));
}
/**
* Get the results from a test and store them in the class array $results.
*/
function getTestResults() {
$results = array();
if ($this->parse()) {
if ($fieldset = $this->getResultFieldSet()) {
// Code assumes this is the only test in group.
$results['summary'] = $this->asText($fieldset->div->div[1]);
$results['name'] = $this->asText($fieldset->legend);
$results['assertions'] = array();
$tbody = $fieldset->div->table->tbody;
foreach ($tbody->tr as $row) {
$assertion = array();
$assertion['message'] = $this->asText($row->td[0]);
$assertion['type'] = $this->asText($row->td[1]);
$assertion['file'] = $this->asText($row->td[2]);
$assertion['line'] = $this->asText($row->td[3]);
$assertion['function'] = $this->asText($row->td[4]);
$ok_url = file_create_url('core/misc/watchdog-ok.png');
$assertion['status'] = ($row->td[5]->img['src'] == $ok_url) ? 'Pass' : 'Fail';
$results['assertions'][] = $assertion;
}
}
}
$this->childTestResults = $results;
}
/**
* Get the fieldset containing the results for group this test is in.
*/
function getResultFieldSet() {
$fieldsets = $this->xpath('//fieldset');
$info = $this->getInfo();
foreach ($fieldsets as $fieldset) {
if ($this->asText($fieldset->legend) == $info['name']) {
return $fieldset;
}
}
return FALSE;
}
/**
* Extract the text contained by the element.
*
* @param $element
* Element to extract text from.
* @return
* Extracted text.
*/
function asText(SimpleXMLElement $element) {
if (!is_object($element)) {
return $this->fail('The element is not an element.');
}
return trim(html_entity_decode(strip_tags($element->asXML())));
}
/**
* Check if the test is being run from inside a CURL request.
*/
function inCURL() {
return (bool) drupal_valid_test_ua();
}
}
/**
* Test internal testing framework browser.
*/
class SimpleTestBrowserTestCase extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'SimpleTest browser',
'description' => 'Test the internal browser of the testing framework.',
'group' => 'SimpleTest',
);
}
function setUp() {
parent::setUp();
variable_set('user_register', USER_REGISTER_VISITORS);
}
/**
* Test DrupalWebTestCase::getAbsoluteUrl().
*/
function testGetAbsoluteUrl() {
// Testbed runs with Clean URLs disabled, so disable it here.
variable_set('clean_url', 0);
$url = 'user/login';
$this->drupalGet($url);
$absolute = url($url, array('absolute' => TRUE));
$this->assertEqual($absolute, $this->url, t('Passed and requested URL are equal.'));
$this->assertEqual($this->url, $this->getAbsoluteUrl($this->url), t('Requested and returned absolute URL are equal.'));
$this->drupalPost(NULL, array(), t('Log in'));
$this->assertEqual($absolute, $this->url, t('Passed and requested URL are equal.'));
$this->assertEqual($this->url, $this->getAbsoluteUrl($this->url), t('Requested and returned absolute URL are equal.'));
$this->clickLink('Create new account');
$url = 'user/register';
$absolute = url($url, array('absolute' => TRUE));
$this->assertEqual($absolute, $this->url, t('Passed and requested URL are equal.'));
$this->assertEqual($this->url, $this->getAbsoluteUrl($this->url), t('Requested and returned absolute URL are equal.'));
}
/**
* Tests XPath escaping.
*/
function testXPathEscaping() {
$testpage = <<< EOF
<html>
<body>
<a href="link1">A "weird" link, just to bother the dumb "XPath 1.0"</a>
<a href="link2">A second "even more weird" link, in memory of George O'Malley</a>
</body>
</html>
EOF;
$this->drupalSetContent($testpage);
// Matches the first link.
$urls = $this->xpath('//a[text()=:text]', array(':text' => 'A "weird" link, just to bother the dumb "XPath 1.0"'));
$this->assertEqual($urls[0]['href'], 'link1', 'Match with quotes.');
$urls = $this->xpath('//a[text()=:text]', array(':text' => 'A second "even more weird" link, in memory of George O\'Malley'));
$this->assertEqual($urls[0]['href'], 'link2', 'Match with mixed single and double quotes.');
}
}
class SimpleTestMailCaptureTestCase extends DrupalWebTestCase {
/**
* Implement getInfo().
*/
public static function getInfo() {
return array(
'name' => 'SimpleTest e-mail capturing',
'description' => 'Test the SimpleTest e-mail capturing logic, the assertMail assertion and the drupalGetMails function.',
'group' => 'SimpleTest',
);
}
/**
* Test to see if the wrapper function is executed correctly.
*/
function testMailSend() {
// Create an e-mail.
$subject = $this->randomString(64);
$body = $this->randomString(128);
$message = array(
'id' => 'drupal_mail_test',
'headers' => array('Content-type'=> 'text/html'),
'subject' => $subject,
'to' => 'foobar@example.com',
'body' => $body,
);
// Before we send the e-mail, drupalGetMails should return an empty array.
$captured_emails = $this->drupalGetMails();
$this->assertEqual(count($captured_emails), 0, t('The captured e-mails queue is empty.'), t('E-mail'));
// Send the e-mail.
$response = drupal_mail_system('simpletest', 'drupal_mail_test')->mail($message);
// Ensure that there is one e-mail in the captured e-mails array.
$captured_emails = $this->drupalGetMails();
$this->assertEqual(count($captured_emails), 1, t('One e-mail was captured.'), t('E-mail'));
// Assert that the e-mail was sent by iterating over the message properties
// and ensuring that they are captured intact.
foreach ($message as $field => $value) {
$this->assertMail($field, $value, t('The e-mail was sent and the value for property @field is intact.', array('@field' => $field)), t('E-mail'));
}
// Send additional e-mails so more than one e-mail is captured.
for ($index = 0; $index < 5; $index++) {
$message = array(
'id' => 'drupal_mail_test_' . $index,
'headers' => array('Content-type'=> 'text/html'),
'subject' => $this->randomString(64),
'to' => $this->randomName(32) . '@example.com',
'body' => $this->randomString(512),
);
drupal_mail_system('drupal_mail_test', $index)->mail($message);
}
// There should now be 6 e-mails captured.
$captured_emails = $this->drupalGetMails();
$this->assertEqual(count($captured_emails), 6, t('All e-mails were captured.'), t('E-mail'));
// Test different ways of getting filtered e-mails via drupalGetMails().
$captured_emails = $this->drupalGetMails(array('id' => 'drupal_mail_test'));
$this->assertEqual(count($captured_emails), 1, t('Only one e-mail is returned when filtering by id.'), t('E-mail'));
$captured_emails = $this->drupalGetMails(array('id' => 'drupal_mail_test', 'subject' => $subject));
$this->assertEqual(count($captured_emails), 1, t('Only one e-mail is returned when filtering by id and subject.'), t('E-mail'));
$captured_emails = $this->drupalGetMails(array('id' => 'drupal_mail_test', 'subject' => $subject, 'from' => 'this_was_not_used@example.com'));
$this->assertEqual(count($captured_emails), 0, t('No e-mails are returned when querying with an unused from address.'), t('E-mail'));
// Send the last e-mail again, so we can confirm that the drupalGetMails-filter
// correctly returns all e-mails with a given property/value.
drupal_mail_system('drupal_mail_test', $index)->mail($message);
$captured_emails = $this->drupalGetMails(array('id' => 'drupal_mail_test_4'));
$this->assertEqual(count($captured_emails), 2, t('All e-mails with the same id are returned when filtering by id.'), t('E-mail'));
}
}
/**
* Test Folder creation
*/
class SimpleTestFolderTestCase extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Testing SimpleTest setUp',
'description' => "This test will check SimpleTest's treatment of hook_install during setUp. Image module is used for test.",
'group' => 'SimpleTest',
);
}
function setUp() {
return parent::setUp('image');
}
function testFolderSetup() {
$directory = file_default_scheme() . '://styles';
$this->assertTrue(file_prepare_directory($directory, FALSE), "Directory created.");
}
}
/**
* Test required modules for tests.
*/
class SimpleTestMissingDependentModuleUnitTest extends DrupalUnitTestCase {
public static function getInfo() {
return array(
'name' => 'Testing dependent module test',
'description' => 'This test should not load since it requires a module that is not found.',
'group' => 'SimpleTest',
'dependencies' => array('simpletest_missing_module'),
);
}
/**
* Ensure that this test will not be loaded despite its dependency.
*/
function testFail() {
$this->fail(t('Running test with missing required module.'));
}
}
/**
* Tests a test case that does not run parent::setUp() in its setUp() method.
*
* If a test case does not call parent::setUp(), running
* DrupalTestCase::tearDown() would destroy the main site's database tables.
* Therefore, we ensure that tests which are not set up properly are skipped.
*
* @see DrupalTestCase
*/
class SimpleTestBrokenSetUp extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Broken SimpleTest method',
'description' => 'Tests a test case that does not call parent::setUp().',
'group' => 'SimpleTest'
);
}
function setUp() {
// If the test is being run from the main site, set up normally.
if (!drupal_valid_test_ua()) {
parent::setUp('simpletest');
// Create and log in user.
$admin_user = $this->drupalCreateUser(array('administer unit tests'));
$this->drupalLogin($admin_user);
}
// If the test is being run from within simpletest, set up the broken test.
else {
$this->pass(t('The test setUp() method has been run.'));
// Don't call parent::setUp(). This should trigger an error message.
}
}
function tearDown() {
// If the test is being run from the main site, tear down normally.
if (!drupal_valid_test_ua()) {
parent::tearDown();
}
else {
// If the test is being run from within simpletest, output a message.
$this->pass(t('The tearDown() method has run.'));
}
}
/**
* Runs this test case from within the simpletest child site.
*/
function testBreakSetUp() {
// If the test is being run from the main site, run it again from the web
// interface within the simpletest child site.
if (!drupal_valid_test_ua()) {
$edit['SimpleTestBrokenSetUp'] = TRUE;
$this->drupalPost('admin/config/development/testing', $edit, t('Run tests'));
// Verify that the broken test and its tearDown() method are skipped.
$this->assertRaw(t('The test setUp() method has been run.'));
$this->assertRaw(t('The test cannot be executed because it has not been set up properly.'));
$this->assertNoRaw(t('The test method has run.'));
$this->assertNoRaw(t('The tearDown() method has run.'));
}
// If the test is being run from within simpletest, output a message.
else {
$this->pass(t('The test method has run.'));
}
}
}
/**
* Tests missing requirements to run test.
*/
class SimpleTestMissingCheckedRequirements extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Broken requirements test',
'description' => 'Tests a test case with missing requirements.',
'group' => 'SimpleTest',
);
}
function setUp() {
parent::setUp('simpletest');
$admin_user = $this->drupalCreateUser(array('administer unit tests'));
$this->drupalLogin($admin_user);
}
/**
* Overrides checkRequirements().
*/
protected function checkRequirements() {
if (drupal_valid_test_ua()) {
return array(
'Test is not allowed to run.'
);
}
return parent::checkRequirements();
}
/**
* Ensures test will not run when requirements are missing.
*/
protected function testCheckRequirements() {
// If this is the main request, run the web test script and then assert
// that the child tests did not run.
if (!drupal_valid_test_ua()) {
// Run this test from web interface.
$edit['SimpleTestMissingCheckedRequirements'] = TRUE;
$this->drupalPost('admin/config/development/testing', $edit, t('Run tests'));
$this->assertRaw('Test is not allowed to run.', 'Test check for requirements came up.');
$this->assertNoText('Test ran when it failed requirements check.', 'Test requirements stopped test from running.');
}
else {
$this->fail('Test ran when it failed requirements check.');
}
}
}