assertSession();
// Get the form.
if (isset($form_html_id)) {
$form = $assert_session->elementExists('xpath', "//form[@id='$form_html_id']");
$submit_button = $assert_session->buttonExists($submit, $form);
$action = $form->getAttribute('action');
}
else {
$submit_button = $assert_session->buttonExists($submit);
$form = $assert_session->elementExists('xpath', './ancestor::form', $submit_button);
$action = $form->getAttribute('action');
}
// Edit the form values.
foreach ($edit as $name => $value) {
$field = $assert_session->fieldExists($name, $form);
// Provide support for the values '1' and '0' for checkboxes instead of
// TRUE and FALSE.
// @todo Get rid of supporting 1/0 by converting all tests cases using
// this to boolean values.
$field_type = $field->getAttribute('type');
if ($field_type === 'checkbox') {
$value = (bool) $value;
}
$field->setValue($value);
}
// Submit form.
$this->prepareRequest();
$submit_button->press();
// Ensure that any changes to variables in the other thread are picked up.
$this->refreshVariables();
// Check if there are any meta refresh redirects (like Batch API pages).
if ($this->checkForMetaRefresh()) {
// We are finished with all meta refresh redirects, so reset the counter.
$this->metaRefreshCount = 0;
}
// Log only for WebDriverTestBase tests because for tests using
// DrupalTestBrowser we log with ::getResponseLogHandler.
if ($this->htmlOutputEnabled && !$this->isTestUsingGuzzleClient()) {
$out = $this->getSession()->getPage()->getContent();
$html_output = 'POST request to: ' . $action .
'
Ending URL: ' . $this->getSession()->getCurrentUrl();
$html_output .= '
' . $out;
$html_output .= $this->getHtmlOutputHeaders();
$this->htmlOutput($html_output);
}
}
/**
* Logs in a user using the Mink controlled browser.
*
* If a user is already logged in, then the current user is logged out before
* logging in the specified user.
*
* Please note that neither the current user nor the passed-in user object is
* populated with data of the logged in user. If you need full access to the
* user object after logging in, it must be updated manually. If you also need
* access to the plain-text password of the user (set by drupalCreateUser()),
* e.g. to log in the same user again, then it must be re-assigned manually.
* For example:
* @code
* // Create a user.
* $account = $this->drupalCreateUser(array());
* $this->drupalLogin($account);
* // Load real user object.
* $pass_raw = $account->passRaw;
* $account = User::load($account->id());
* $account->passRaw = $pass_raw;
* @endcode
*
* @param \Drupal\Core\Session\AccountInterface $account
* User object representing the user to log in.
*
* @see drupalCreateUser()
*/
protected function drupalLogin(AccountInterface $account) {
if ($this->loggedInUser) {
$this->drupalLogout();
}
$this->drupalGet(Url::fromRoute('user.login'));
$this->submitForm([
'name' => $account->getAccountName(),
'pass' => $account->passRaw,
], 'Log in');
// @see ::drupalUserIsLoggedIn()
$account->sessionId = $this->getSession()->getCookie(\Drupal::service('session_configuration')->getOptions(\Drupal::request())['name']);
$this->assertTrue($this->drupalUserIsLoggedIn($account), new FormattableMarkup('User %name successfully logged in.', ['%name' => $account->getAccountName()]));
$this->loggedInUser = $account;
$this->container->get('current_user')->setAccount($account);
}
/**
* Logs a user out of the Mink controlled browser and confirms.
*
* Confirms logout by checking the login page.
*/
protected function drupalLogout() {
// Make a request to the logout page, and redirect to the user page, the
// idea being if you were properly logged out you should be seeing a login
// screen.
$assert_session = $this->assertSession();
$destination = Url::fromRoute('user.page')->toString();
$this->drupalGet(Url::fromRoute('user.logout', [], ['query' => ['destination' => $destination]]));
$assert_session->fieldExists('name');
$assert_session->fieldExists('pass');
// @see BrowserTestBase::drupalUserIsLoggedIn()
unset($this->loggedInUser->sessionId);
$this->loggedInUser = FALSE;
\Drupal::currentUser()->setAccount(new AnonymousUserSession());
}
/**
* Returns WebAssert object.
*
* @param string $name
* (optional) Name of the session. Defaults to the active session.
*
* @return \Drupal\Tests\WebAssert
* A new web-assert option for asserting the presence of elements with.
*/
public function assertSession($name = NULL) {
$this->addToAssertionCount(1);
return new WebAssert($this->getSession($name), $this->baseUrl);
}
/**
* Retrieves a Drupal path or an absolute path.
*
* @param string|\Drupal\Core\Url $path
* Drupal path or URL to load into Mink controlled browser.
* @param array $options
* (optional) Options to be forwarded to the URL generator.
* @param string[] $headers
* An array containing additional HTTP request headers, the array keys are
* the header names and the array values the header values. This is useful
* to set for example the "Accept-Language" header for requesting the page
* in a different language. Note that not all headers are supported, for
* example the "Accept" header is always overridden by the browser. For
* testing REST APIs it is recommended to obtain a separate HTTP client
* using getHttpClient() and performing requests that way.
*
* @return string
* The retrieved HTML string, also available as $this->getRawContent()
*
* @see \Drupal\Tests\BrowserTestBase::getHttpClient()
*/
protected function drupalGet($path, array $options = [], array $headers = []) {
$options['absolute'] = TRUE;
$url = $this->buildUrl($path, $options);
$session = $this->getSession();
$this->prepareRequest();
foreach ($headers as $header_name => $header_value) {
$session->setRequestHeader($header_name, $header_value);
}
$session->visit($url);
$out = $session->getPage()->getContent();
// Ensure that any changes to variables in the other thread are picked up.
$this->refreshVariables();
// Replace original page output with new output from redirected page(s).
if ($new = $this->checkForMetaRefresh()) {
$out = $new;
// We are finished with all meta refresh redirects, so reset the counter.
$this->metaRefreshCount = 0;
}
// Log only for WebDriverTestBase tests because for BrowserKitDriver we log
// with ::getResponseLogHandler.
if ($this->htmlOutputEnabled && !$this->isTestUsingGuzzleClient()) {
$html_output = 'GET request to: ' . $url .
'
Ending URL: ' . $this->getSession()->getCurrentUrl();
$html_output .= '
' . $out;
$html_output .= $this->getHtmlOutputHeaders();
$this->htmlOutput($html_output);
}
return $out;
}
/**
* Builds an absolute URL from a system path or a URL object.
*
* @param string|\Drupal\Core\Url $path
* A system path or a URL object.
* @param array $options
* Options to be passed to Url::fromUri().
*
* @return string
* An absolute URL string.
*/
protected function buildUrl($path, array $options = []) {
if ($path instanceof Url) {
$url_options = $path->getOptions();
$options = $url_options + $options;
$path->setOptions($options);
return $path->setAbsolute()->toString();
}
// The URL generator service is not necessarily available yet; e.g., in
// interactive installer tests.
elseif (\Drupal::hasService('url_generator')) {
$force_internal = isset($options['external']) && $options['external'] == FALSE;
if (!$force_internal && UrlHelper::isExternal($path)) {
return Url::fromUri($path, $options)->toString();
}
else {
$uri = $path === '' ? 'base:/' : 'base:/' . $path;
// Path processing is needed for language prefixing. Skip it when a
// path that may look like an external URL is being used as internal.
$options['path_processing'] = !$force_internal;
return Url::fromUri($uri, $options)
->setAbsolute()
->toString();
}
}
else {
return $this->getAbsoluteUrl($path);
}
}
/**
* Takes a path and returns an absolute path.
*
* @param string $path
* A path from the Mink controlled browser content.
*
* @return string
* The $path with $base_url prepended, if necessary.
*/
protected function getAbsoluteUrl($path) {
global $base_url, $base_path;
$parts = parse_url($path);
if (empty($parts['host'])) {
// Ensure that we have a string (and no xpath object).
$path = (string) $path;
// Strip $base_path, if existent.
$length = strlen($base_path);
if (substr($path, 0, $length) === $base_path) {
$path = substr($path, $length);
}
// Ensure that we have an absolute path.
if (empty($path) || $path[0] !== '/') {
$path = '/' . $path;
}
// Finally, prepend the $base_url.
$path = $base_url . $path;
}
return $path;
}
/**
* Prepare for a request to testing site.
*
* The testing site is protected via a SIMPLETEST_USER_AGENT cookie that is
* checked by drupal_valid_test_ua().
*
* @see drupal_valid_test_ua()
*/
protected function prepareRequest() {
$session = $this->getSession();
$session->setCookie('SIMPLETEST_USER_AGENT', drupal_generate_test_ua($this->databasePrefix));
}
/**
* Returns whether a given user account is logged in.
*
* @param \Drupal\Core\Session\AccountInterface $account
* The user account object to check.
*
* @return bool
* Return TRUE if the user is logged in, FALSE otherwise.
*/
protected function drupalUserIsLoggedIn(AccountInterface $account) {
$logged_in = FALSE;
if (isset($account->sessionId)) {
$session_handler = \Drupal::service('session_handler.storage');
$logged_in = (bool) $session_handler->read($account->sessionId);
}
return $logged_in;
}
/**
* Clicks the element with the given CSS selector.
*
* @param string $css_selector
* The CSS selector identifying the element to click.
*/
protected function click($css_selector) {
$starting_url = $this->getSession()->getCurrentUrl();
$this->getSession()->getDriver()->click($this->cssSelectToXpath($css_selector));
// Log only for WebDriverTestBase tests because for BrowserKitDriver we log
// with ::getResponseLogHandler.
if ($this->htmlOutputEnabled && !$this->isTestUsingGuzzleClient()) {
$out = $this->getSession()->getPage()->getContent();
$html_output =
'Clicked element with CSS selector: ' . $css_selector .
'
Starting URL: ' . $starting_url .
'
Ending URL: ' . $this->getSession()->getCurrentUrl();
$html_output .= '
' . $out;
$html_output .= $this->getHtmlOutputHeaders();
$this->htmlOutput($html_output);
}
}
/**
* Follows a link by complete name.
*
* Will click the first link found with this link text.
*
* If the link is discovered and clicked, the test passes. Fail otherwise.
*
* @param string|\Drupal\Component\Render\MarkupInterface $label
* Text between the anchor tags.
* @param int $index
* (optional) The index number for cases where multiple links have the same
* text. Defaults to 0.
*/
protected function clickLink($label, $index = 0) {
$label = (string) $label;
$links = $this->getSession()->getPage()->findAll('named', ['link', $label]);
$this->assertArrayHasKey($index, $links, 'The link ' . $label . ' was not found on the page.');
$links[$index]->click();
}
/**
* Retrieves the plain-text content from the current page.
*/
protected function getTextContent() {
return $this->getSession()->getPage()->getText();
}
/**
* Get the current URL from the browser.
*
* @return string
* The current URL.
*/
protected function getUrl() {
return $this->getSession()->getCurrentUrl();
}
/**
* Checks for meta refresh tag and if found call drupalGet() recursively.
*
* This function looks for the http-equiv attribute to be set to "Refresh" and
* is case-insensitive.
*
* @return string|false
* Either the new page content or FALSE.
*/
protected function checkForMetaRefresh() {
$refresh = $this->cssSelect('meta[http-equiv="Refresh"], meta[http-equiv="refresh"]');
if (!empty($refresh) && (!isset($this->maximumMetaRefreshCount) || $this->metaRefreshCount < $this->maximumMetaRefreshCount)) {
// Parse the content attribute of the meta tag for the format:
// "[delay]: URL=[page_to_redirect_to]".
if (preg_match('/\d+;\s*URL=\'?(?[^\']*)/i', $refresh[0]->getAttribute('content'), $match)) {
$this->metaRefreshCount++;
return $this->drupalGet($this->getAbsoluteUrl(Html::decodeEntities($match['url'])));
}
}
return FALSE;
}
/**
* Searches elements using a CSS selector in the raw content.
*
* The search is relative to the root element (HTML tag normally) of the page.
*
* @param string $selector
* CSS selector to use in the search.
*
* @return \Behat\Mink\Element\NodeElement[]
* The list of elements on the page that match the selector.
*/
protected function cssSelect($selector) {
return $this->getSession()->getPage()->findAll('css', $selector);
}
/**
* Translates a CSS expression to its XPath equivalent.
*
* The search is relative to the root element (HTML tag normally) of the page.
*
* @param string $selector
* CSS selector to use in the search.
* @param bool $html
* (optional) Enables HTML support. Disable it for XML documents.
* @param string $prefix
* (optional) The prefix for the XPath expression.
*
* @return string
* The equivalent XPath of a CSS expression.
*/
protected function cssSelectToXpath($selector, $html = TRUE, $prefix = 'descendant-or-self::') {
return (new CssSelectorConverter($html))->toXPath($selector, $prefix);
}
/**
* Determines if test is using DrupalTestBrowser.
*
* @return bool
* TRUE if test is using DrupalTestBrowser.
*/
protected function isTestUsingGuzzleClient() {
$driver = $this->getSession()->getDriver();
if ($driver instanceof BrowserKitDriver) {
return $driver->getClient() instanceof DrupalTestBrowser;
}
return FALSE;
}
}