WebAssert.php
Same filename in other branches
Namespace
Drupal\TestsFile
-
core/
tests/ Drupal/ Tests/ WebAssert.php
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<?php
declare (strict_types=1);
namespace Drupal\Tests;
use Behat\Mink\Exception\ExpectationException;
use Behat\Mink\Exception\ResponseTextException;
use Behat\Mink\WebAssert as MinkWebAssert;
use Behat\Mink\Element\TraversableElement;
use Behat\Mink\Exception\ElementNotFoundException;
use Behat\Mink\Session;
use Drupal\Component\Utility\Html;
use Drupal\Core\Url;
use PHPUnit\Framework\Assert;
use PHPUnit\Framework\AssertionFailedError;
use PHPUnit\Framework\Constraint\ArrayHasKey;
use PHPUnit\Framework\Constraint\IsIdentical;
use PHPUnit\Framework\Constraint\IsEqual;
use PHPUnit\Framework\Constraint\LogicalNot;
/**
* Defines a class with methods for asserting presence of elements during tests.
*/
class WebAssert extends MinkWebAssert {
/**
* The absolute URL of the site under test.
*
* @var string
*/
protected $baseUrl = '';
/**
* Constructor.
*
* @param \Behat\Mink\Session $session
* The Behat session object;
* @param string $base_url
* The base URL of the site under test.
*/
public function __construct(Session $session, $base_url = '') {
parent::__construct($session);
$this->baseUrl = $base_url;
}
/**
* Trims the base URL from the URL.
*
* @param string|\Drupal\Core\Url $url
* A url string, or object.
* @param bool $include_query
* Whether to include the query string in the return value.
*
* @return string
*/
protected function cleanUrl(string|Url $url, bool $include_query = FALSE) {
if ($url instanceof Url) {
$url = $url->setAbsolute()
->toString();
}
// Strip the base URL from the beginning for absolute URLs.
if ($this->baseUrl !== '' && str_starts_with($url, $this->baseUrl)) {
$url = substr($url, strlen($this->baseUrl));
}
$parts = parse_url($url);
// Make sure there is a forward slash at the beginning of relative URLs for
// consistency.
if (empty($parts['host']) && !str_starts_with($url, '/')) {
$parts['path'] = '/' . $parts['path'];
}
$fragment = empty($parts['fragment']) ? '' : '#' . $parts['fragment'];
$path = empty($parts['path']) ? '/' : $parts['path'];
$query = $include_query && !empty($parts['query']) ? '?' . $parts['query'] : '';
return preg_replace('/^\\/[^\\.\\/]+\\.php\\//', '/', $path) . $query . $fragment;
}
/**
* Asserts that the current response header has a specific entry.
*
* @param string $name
* The name of the header entry to check existence of.
* @param string $message
* The failure message.
*/
public function responseHeaderExists(string $name, string $message = '') : void {
if ($message === '') {
$message = "Failed asserting that the response has a '{$name}' header.";
}
$headers = $this->session
->getResponseHeaders();
$constraint = new ArrayHasKey($name);
Assert::assertThat($headers, $constraint, $message);
}
/**
* Asserts that the current response header does not have a specific entry.
*
* @param string $name
* The name of the header entry to check existence of.
* @param string $message
* The failure message.
*/
public function responseHeaderDoesNotExist(string $name, string $message = '') : void {
if ($message === '') {
$message = "Failed asserting that the response does not have a '{$name}' header.";
}
$headers = $this->session
->getResponseHeaders();
$constraint = new LogicalNot(new ArrayHasKey($name));
Assert::assertThat($headers, $constraint, $message);
}
/**
* Asserts that the current page text matches regex a number of times.
*
* @param int $count
* The number of times the pattern is expected to be present.
* @param string $regex
* The regex pattern.
* @param string $message
* (Optional) the failure message.
*/
public function pageTextMatchesCount(int $count, string $regex, string $message = '') : void {
$actual = preg_replace('/\\s+/u', ' ', $this->session
->getPage()
->getText());
$matches = preg_match_all($regex, $actual);
if ($message === '') {
$message = "Failed asserting that the page matches the pattern '{$regex}' {$count} time(s), {$matches} found.";
}
$constraint = new IsIdentical($count);
Assert::assertThat($matches, $constraint, $message);
}
/**
* Checks that specific button exists on the current page.
*
* @param string $button
* One of id|name|label|value for the button.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @return \Behat\Mink\Element\NodeElement
* The matching element.
*
* @throws \Behat\Mink\Exception\ElementNotFoundException
* When the element doesn't exist.
*/
public function buttonExists($button, ?TraversableElement $container = NULL) {
if (!is_string($button)) {
// @todo Trigger deprecation in
// https://www.drupal.org/project/drupal/issues/3421105.
$button = (string) $button;
}
$container = $container ?: $this->session
->getPage();
$node = $container->findButton($button);
if ($node === NULL) {
throw new ElementNotFoundException($this->session
->getDriver(), 'button', 'id|name|label|value', $button);
}
return $node;
}
/**
* Checks that the specific button does NOT exist on the current page.
*
* @param string $button
* One of id|name|label|value for the button.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @throws \Behat\Mink\Exception\ExpectationException
* When the button exists.
*/
public function buttonNotExists($button, ?TraversableElement $container = NULL) {
$container = $container ?: $this->session
->getPage();
$node = $container->findButton($button);
$this->assert(NULL === $node, sprintf('A button "%s" appears on this page, but it should not.', $button));
}
/**
* Checks that specific select field exists on the current page.
*
* @param string $select
* One of id|name|label|value for the select field.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @return \Behat\Mink\Element\NodeElement
* The matching element
*
* @throws \Behat\Mink\Exception\ElementNotFoundException
* When the element doesn't exist.
*/
public function selectExists($select, ?TraversableElement $container = NULL) {
$container = $container ?: $this->session
->getPage();
$node = $container->find('named', [
'select',
$select,
]);
if ($node === NULL) {
throw new ElementNotFoundException($this->session
->getDriver(), 'select', 'id|name|label|value', $select);
}
return $node;
}
/**
* Checks that specific option in a select field exists on the current page.
*
* @param string $select
* One of id|name|label|value for the select field.
* @param string $option
* The option value.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @return \Behat\Mink\Element\NodeElement
* The matching option element
*
* @throws \Behat\Mink\Exception\ElementNotFoundException
* When the element doesn't exist.
*/
public function optionExists($select, $option, ?TraversableElement $container = NULL) {
$container = $container ?: $this->session
->getPage();
$select_field = $container->find('named', [
'select',
$select,
]);
if ($select_field === NULL) {
throw new ElementNotFoundException($this->session
->getDriver(), 'select', 'id|name|label|value', $select);
}
$option_field = $select_field->find('named_exact', [
'option',
$option,
]);
if ($option_field === NULL) {
throw new ElementNotFoundException($this->session
->getDriver(), 'option', 'id|name|label|value', $option);
}
return $option_field;
}
/**
* Checks that an option in a select field does NOT exist on the current page.
*
* @param string $select
* One of id|name|label|value for the select field.
* @param string $option
* The option value that should not exist.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @throws \Behat\Mink\Exception\ElementNotFoundException
* When the select element doesn't exist.
*/
public function optionNotExists($select, $option, ?TraversableElement $container = NULL) {
$container = $container ?: $this->session
->getPage();
$select_field = $container->find('named', [
'select',
$select,
]);
if ($select_field === NULL) {
throw new ElementNotFoundException($this->session
->getDriver(), 'select', 'id|name|label|value', $select);
}
$option_field = $select_field->find('named_exact', [
'option',
$option,
]);
$this->assert($option_field === NULL, sprintf('An option "%s" exists in select "%s", but it should not.', $option, $select));
}
/**
* Pass if the page title is the given string.
*
* @param string $expected_title
* The string the page title should be.
*
* @throws \Behat\Mink\Exception\ExpectationException
* Thrown when element doesn't exist, or the title is a different one.
*/
public function titleEquals($expected_title) {
$title_element = $this->session
->getPage()
->find('css', 'title');
if (!$title_element) {
throw new ExpectationException('No title element found on the page', $this->session
->getDriver());
}
$actual_title = $title_element->getText();
$this->assert($expected_title === $actual_title, 'Title found');
}
/**
* Passes if a link with the specified label is found.
*
* An optional link index may be passed.
*
* @param string $label
* Text between the anchor tags.
* @param int $index
* Link position counting from zero.
* @param string $message
* (optional) A message to display with the assertion. Do not translate
* messages: use strtr() to embed variables in the message text, not
* t(). If left blank, a default message will be displayed.
*
* @throws \Behat\Mink\Exception\ExpectationException
* Thrown when element doesn't exist, or the link label is a different one.
*/
public function linkExists($label, $index = 0, $message = '') {
$message = $message ? $message : strtr('Link with label %label not found.', [
'%label' => $label,
]);
$links = $this->session
->getPage()
->findAll('named', [
'link',
$label,
]);
$this->assert(!empty($links[$index]), $message);
}
/**
* Passes if a link with the exactly specified label is found.
*
* An optional link index may be passed.
*
* @param string $label
* Text between the anchor tags.
* @param int $index
* Link position counting from zero.
* @param string $message
* (optional) A message to display with the assertion. Do not translate
* messages: use strtr() to embed variables in the message text, not
* t(). If left blank, a default message will be displayed.
*
* @throws \Behat\Mink\Exception\ExpectationException
* Thrown when element doesn't exist, or the link label is a different one.
*/
public function linkExistsExact($label, $index = 0, $message = '') {
$message = $message ? $message : strtr('Link with label %label not found.', [
'%label' => $label,
]);
$links = $this->session
->getPage()
->findAll('named_exact', [
'link',
$label,
]);
$this->assert(!empty($links[$index]), $message);
}
/**
* Passes if a link with the specified label is not found.
*
* An optional link index may be passed.
*
* @param string $label
* Text between the anchor tags.
* @param string $message
* (optional) A message to display with the assertion. Do not translate
* messages: use strtr() to embed variables in the message text, not
* t(). If left blank, a default message will be displayed.
*
* @throws \Behat\Mink\Exception\ExpectationException
* Thrown when element doesn't exist, or the link label is a different one.
*/
public function linkNotExists($label, $message = '') {
$message = $message ? $message : strtr('Link with label %label found.', [
'%label' => $label,
]);
$links = $this->session
->getPage()
->findAll('named', [
'link',
$label,
]);
$this->assert(empty($links), $message);
}
/**
* Passes if a link with the exactly specified label is not found.
*
* An optional link index may be passed.
*
* @param string $label
* Text between the anchor tags.
* @param string $message
* (optional) A message to display with the assertion. Do not translate
* messages: use strtr() to embed variables in the message text, not
* t(). If left blank, a default message will be displayed.
*
* @throws \Behat\Mink\Exception\ExpectationException
* Thrown when element doesn't exist, or the link label is a different one.
*/
public function linkNotExistsExact($label, $message = '') {
$message = $message ? $message : strtr('Link with label %label found.', [
'%label' => $label,
]);
$links = $this->session
->getPage()
->findAll('named_exact', [
'link',
$label,
]);
$this->assert(empty($links), $message);
}
/**
* Passes if a link containing a given href (part) is found.
*
* @param string $href
* The full or partial value of the 'href' attribute of the anchor tag.
* @param int $index
* Link position counting from zero.
* @param string $message
* (optional) A message to display with the assertion. Do not translate
* messages with t(). Use double quotes and embed variables directly in
* message text, or use sprintf() if necessary. Avoid the use of
* \Drupal\Component\Render\FormattableMarkup unless you cast the object to
* a string. If left blank, a default message will be displayed.
*
* @throws \Behat\Mink\Exception\ExpectationException
* Thrown when element doesn't exist, or the link label is a different one.
*/
public function linkByHrefExists($href, $index = 0, $message = '') {
$xpath = $this->buildXPathQuery('//a[contains(@href, :href)]', [
':href' => $href,
]);
$message = $message ? $message : strtr('No link containing href %href found.', [
'%href' => $href,
]);
$links = $this->session
->getPage()
->findAll('xpath', $xpath);
$this->assert(!empty($links[$index]), $message);
}
/**
* Passes if a link with a given href is found.
*
* @param string $href
* The full value of the 'href' attribute of the anchor tag.
* @param int $index
* Link position counting from zero.
* @param string $message
* (optional) A message to display with the assertion. Do not translate
* messages with t(). Use double quotes and embed variables directly in
* message text, or use sprintf() if necessary. Avoid the use of
* \Drupal\Component\Render\FormattableMarkup unless you cast the object to
* a string. If left blank, a default message will be displayed.
*
* @throws \Behat\Mink\Exception\ExpectationException
* Thrown when element doesn't exist, or the link label is a different one.
*/
public function linkByHrefExistsExact(string $href, int $index = 0, string $message = '') : void {
$xpath = $this->buildXPathQuery('//a[@href=:href]', [
':href' => $href,
]);
$message = $message ?: strtr('No link with href %href found.', [
'%href' => $href,
]);
$links = $this->session
->getPage()
->findAll('xpath', $xpath);
$this->assert(!empty($links[$index]), $message);
}
/**
* Passes if a link containing a given href (part) is not found.
*
* @param string $href
* The full or partial value of the 'href' attribute of the anchor tag.
* @param string $message
* (optional) A message to display with the assertion. Do not translate
* messages with t(). Use double quotes and embed variables directly in
* message text, or use sprintf() if necessary. Avoid the use of
* \Drupal\Component\Render\FormattableMarkup unless you cast the object to
* a string. If left blank, a default message will be displayed.
*
* @throws \Behat\Mink\Exception\ExpectationException
* Thrown when element doesn't exist, or the link label is a different one.
*/
public function linkByHrefNotExists($href, $message = '') {
$xpath = $this->buildXPathQuery('//a[contains(@href, :href)]', [
':href' => $href,
]);
$message = $message ? $message : strtr('Link containing href %href found.', [
'%href' => $href,
]);
$links = $this->session
->getPage()
->findAll('xpath', $xpath);
$this->assert(empty($links), $message);
}
/**
* Passes if a link with a given href is not found.
*
* @param string $href
* The full value of the 'href' attribute of the anchor tag.
* @param string $message
* (optional) A message to display with the assertion. Do not translate
* messages with t(). Use double quotes and embed variables directly in
* message text, or use sprintf() if necessary. Avoid the use of
* \Drupal\Component\Render\FormattableMarkup unless you cast the object to
* a string. If left blank, a default message will be displayed.
*
* @throws \Behat\Mink\Exception\ExpectationException
* Thrown when element doesn't exist, or the link label is a different one.
*/
public function linkByHrefNotExistsExact(string $href, string $message = '') : void {
$xpath = $this->buildXPathQuery('//a[@href=:href]', [
':href' => $href,
]);
$message = $message ?: strtr('Link with href %href found.', [
'%href' => $href,
]);
$links = $this->session
->getPage()
->findAll('xpath', $xpath);
$this->assert(empty($links), $message);
}
/**
* Builds an XPath query.
*
* Builds an XPath query by replacing placeholders in the query by the value
* of the arguments.
*
* XPath 1.0 (the version supported by libxml2, the underlying XML library
* used by PHP) doesn't support any form of quotation. This function
* simplifies the building of XPath expression.
*
* @param string $xpath
* An XPath query, possibly with placeholders in the form ':name'.
* @param array $args
* An array of arguments with keys in the form ':name' matching the
* placeholders in the query. The values may be either strings or numeric
* values.
*
* @return string
* An XPath query with arguments replaced.
*/
public function buildXPathQuery($xpath, array $args = []) {
// Replace placeholders.
foreach ($args as $placeholder => $value) {
if (is_object($value)) {
throw new \InvalidArgumentException('Just pass in scalar values for $args and remove all t() calls from your test.');
}
// XPath 1.0 doesn't support a way to escape single or double quotes in a
// string literal. We split double quotes out of the string, and encode
// them separately.
if (is_string($value)) {
// Explode the text at the quote characters.
$parts = explode('"', $value);
// Quote the parts.
foreach ($parts as &$part) {
$part = '"' . $part . '"';
}
// Return the string.
$value = count($parts) > 1 ? 'concat(' . implode(', \'"\', ', $parts) . ')' : $parts[0];
}
// Use preg_replace_callback() instead of preg_replace() to prevent the
// regular expression engine from trying to substitute backreferences.
$replacement = function ($matches) use ($value) {
return $value;
};
$xpath = preg_replace_callback('/' . preg_quote($placeholder) . '\\b/', $replacement, $xpath);
}
return $xpath;
}
/**
* Passes if the raw text IS NOT found escaped on the loaded page.
*
* Raw text refers to the raw HTML that the page generated.
*
* @param string $raw
* Raw (HTML) string to look for.
*/
public function assertNoEscaped($raw) {
$this->responseNotContains(Html::escape($raw));
}
/**
* Passes if the raw text IS found escaped on the loaded page.
*
* Raw text refers to the raw HTML that the page generated.
*
* @param string $raw
* Raw (HTML) string to look for.
*/
public function assertEscaped($raw) {
$this->responseContains(Html::escape($raw));
}
/**
* Checks that page HTML (response content) contains text.
*
* @param string|object $text
* Text value. Any non-string value will be cast to string.
*
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function responseContains($text) {
parent::responseContains((string) $text);
}
/**
* Checks that page HTML (response content) does not contains text.
*
* @param string|object $text
* Text value. Any non-string value will be cast to string.
*
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function responseNotContains($text) {
parent::responseNotContains((string) $text);
}
/**
* Asserts a condition.
*
* The parent method is overridden because it is a private method.
*
* @param bool $condition
* The condition.
* @param string $message
* The success message.
*
* @throws \Behat\Mink\Exception\ExpectationException
* When the condition is not fulfilled.
*/
public function assert($condition, $message) {
if ($condition) {
return;
}
throw new ExpectationException($message, $this->session
->getDriver());
}
/**
* Checks that a given form field element is disabled.
*
* @param string $field
* One of id|name|label|value for the field.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @return \Behat\Mink\Element\NodeElement
* The matching element.
*
* @throws \Behat\Mink\Exception\ElementNotFoundException
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function fieldDisabled($field, ?TraversableElement $container = NULL) {
$container = $container ?: $this->session
->getPage();
$node = $container->findField($field);
if ($node === NULL) {
throw new ElementNotFoundException($this->session
->getDriver(), 'field', 'id|name|label|value', $field);
}
if (!$node->hasAttribute('disabled')) {
throw new ExpectationException("Field {$field} is disabled", $this->session
->getDriver());
}
return $node;
}
/**
* Checks that a given form field element is enabled.
*
* @param string $field
* One of id|name|label|value for the field.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @return \Behat\Mink\Element\NodeElement
* The matching element.
*
* @throws \Behat\Mink\Exception\ElementNotFoundException
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function fieldEnabled($field, ?TraversableElement $container = NULL) {
$container = $container ?: $this->session
->getPage();
$node = $container->findField($field);
if ($node === NULL) {
throw new ElementNotFoundException($this->session
->getDriver(), 'field', 'id|name|label|value', $field);
}
if ($node->hasAttribute('disabled')) {
throw new ExpectationException("Field {$field} is not enabled", $this->session
->getDriver());
}
return $node;
}
/**
* Checks that specific hidden field exists.
*
* @param string $field
* One of id|name|value for the hidden field.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @return \Behat\Mink\Element\NodeElement
* The matching element.
*
* @throws \Behat\Mink\Exception\ElementNotFoundException
*/
public function hiddenFieldExists($field, ?TraversableElement $container = NULL) {
$container = $container ?: $this->session
->getPage();
if ($node = $container->find('hidden_field_selector', [
'hidden_field',
$field,
])) {
return $node;
}
throw new ElementNotFoundException($this->session
->getDriver(), 'form hidden field', 'id|name|value', $field);
}
/**
* Checks that specific hidden field does not exist.
*
* @param string $field
* One of id|name|value for the hidden field.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function hiddenFieldNotExists($field, ?TraversableElement $container = NULL) {
$container = $container ?: $this->session
->getPage();
$node = $container->find('hidden_field_selector', [
'hidden_field',
$field,
]);
$this->assert($node === NULL, "A hidden field '{$field}' exists on this page, but it should not.");
}
/**
* Checks that specific hidden field have provided value.
*
* @param string $field
* One of id|name|value for the hidden field.
* @param string $value
* The hidden field value that needs to be checked.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @throws \Behat\Mink\Exception\ElementNotFoundException
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function hiddenFieldValueEquals($field, $value, ?TraversableElement $container = NULL) {
$node = $this->hiddenFieldExists($field, $container);
$actual = $node->getValue();
$regex = '/^' . preg_quote($value, '/') . '$/ui';
$message = "The hidden field '{$field}' value is '{$actual}', but '{$value}' expected.";
$this->assert((bool) preg_match($regex, $actual), $message);
}
/**
* Checks that specific hidden field doesn't have the provided value.
*
* @param string $field
* One of id|name|value for the hidden field.
* @param string $value
* The hidden field value that needs to be checked.
* @param \Behat\Mink\Element\TraversableElement $container
* (optional) The document to check against. Defaults to the current page.
*
* @throws \Behat\Mink\Exception\ElementNotFoundException
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function hiddenFieldValueNotEquals($field, $value, ?TraversableElement $container = NULL) {
$node = $this->hiddenFieldExists($field, $container);
$actual = $node->getValue();
$regex = '/^' . preg_quote($value, '/') . '$/ui';
$message = "The hidden field '{$field}' value is '{$actual}', but it should not be.";
$this->assert(!preg_match($regex, $actual), $message);
}
/**
* Checks that current page contains text only once.
*
* @param string $text
* The string to look for.
*
* @see \Behat\Mink\WebAssert::pageTextContains()
*/
public function pageTextContainsOnce($text) {
$regex = '/' . preg_quote($text, '/') . '/ui';
try {
$this->pageTextMatchesCount(1, $regex);
} catch (AssertionFailedError $e) {
throw new ResponseTextException($e->getMessage(), $this->session
->getDriver());
}
}
/**
* Asserts that each HTML ID is used for just a single element on the page.
*
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function pageContainsNoDuplicateId() {
$seen_ids = [];
foreach ($this->session
->getPage()
->findAll('xpath', '//*[@id]') as $element) {
$id = $element->getAttribute('id');
if (isset($seen_ids[$id])) {
throw new ExpectationException(sprintf('The page contains a duplicate HTML ID "%s".', $id), $this->session
->getDriver());
}
$seen_ids[$id] = TRUE;
}
}
/**
* Checks that current session address is equals to provided one.
*
* @param string|\Drupal\Core\Url $page
* A url string, or object.
*
* @return void
*
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function addressEquals(string|Url $page) {
$expected = $this->cleanUrl($page, TRUE);
$actual = $this->cleanUrl($this->session
->getCurrentUrl(), str_contains($expected, '?'));
$this->assert($actual === $expected, sprintf('Current page is "%s", but "%s" expected.', $actual, $expected));
}
/**
* Checks that current session address is not equals to provided one.
*
* @param string|\Drupal\Core\Url $page
* A url string, or object.
*
* @throws \Behat\Mink\Exception\ExpectationException
*/
public function addressNotEquals(string|Url $page) {
$expected = $this->cleanUrl($page, TRUE);
$actual = $this->cleanUrl($this->session
->getCurrentUrl(), str_contains($expected, '?'));
$this->assert($actual !== $expected, sprintf('Current page is "%s", but should not be.', $actual));
}
/**
* Asserts a specific element's text equals an expected text.
*
* @param string $selectorType
* Element selector type (css, xpath).
* @param string|array $selector
* Element selector.
* @param string $text
* Expected text.
*/
public function elementTextEquals(string $selectorType, $selector, string $text) : void {
$selector_string = is_array($selector) ? '[' . implode(', ', $selector) . ']' : $selector;
$message = "Failed asserting that the text of the element identified by '{$selector_string}' equals '{$text}'.";
$constraint = new IsEqual($text);
Assert::assertThat($this->elementExists($selectorType, $selector)
->getText(), $constraint, $message);
}
/**
* Asserts that a status message exists.
*
* @param string|null $type
* The optional message type: status, error, or warning.
*/
public function statusMessageExists(?string $type = NULL) : void {
$selector = $this->buildStatusMessageSelector(NULL, $type);
try {
$this->elementExists('xpath', $selector);
} catch (ExpectationException $e) {
Assert::fail($e->getMessage());
}
}
/**
* Asserts that a status message does not exist.
*
* @param string|null $type
* The optional message type: status, error, or warning.
*/
public function statusMessageNotExists(?string $type = NULL) : void {
$selector = $this->buildStatusMessageSelector(NULL, $type);
try {
$this->elementNotExists('xpath', $selector);
} catch (ExpectationException $e) {
Assert::fail($e->getMessage());
}
}
/**
* Asserts that a status message containing a given string exists.
*
* @param string $message
* The partial message to assert.
* @param string|null $type
* The optional message type: status, error, or warning.
*/
public function statusMessageContains(string $message, ?string $type = NULL) : void {
$selector = $this->buildStatusMessageSelector($message, $type);
try {
$this->elementExists('xpath', $selector);
} catch (ExpectationException $e) {
Assert::fail($e->getMessage());
}
}
/**
* Asserts that a status message containing a given string does not exist.
*
* @param string $message
* The partial message to assert.
* @param string|null $type
* The optional message type: status, error, or warning.
*/
public function statusMessageNotContains(string $message, ?string $type = NULL) : void {
$selector = $this->buildStatusMessageSelector($message, $type);
try {
$this->elementNotExists('xpath', $selector);
} catch (ExpectationException $e) {
Assert::fail($e->getMessage());
}
}
/**
* Builds a xpath selector for a message with given type and text.
*
* The selector is designed to work with the status-messages.html.twig
* template in the system module.
*
* See Drupal\Core\Render\Element\StatusMessages for aria label definition.
*
* @param string|null $message
* The optional message or partial message to assert.
* @param string|null $type
* The optional message type: status, error, or warning.
*
* @return string
* The xpath selector for the message.
*
* @throws \InvalidArgumentException
* Thrown when $type is not an allowed type.
*/
protected function buildStatusMessageSelector(?string $message = NULL, ?string $type = NULL) : string {
$allowed_types = [
'status',
'error',
'warning',
NULL,
];
if (!in_array($type, $allowed_types, TRUE)) {
throw new \InvalidArgumentException(sprintf("If a status message type is specified, the allowed values are 'status', 'error', 'warning'. The value provided was '%s'.", $type));
}
$selector = '//div[@data-drupal-messages]';
$aria_label = NULL;
switch ($type) {
case 'status':
$aria_label = 'Status message';
break;
case 'error':
$aria_label = 'Error message';
break;
case 'warning':
$aria_label = 'Warning message';
}
if ($message && $aria_label && $type) {
$selector = $this->buildXPathQuery($selector . '//div[(contains(@aria-label, :aria_label) or contains(@aria-labelledby, :type)) and contains(., :message)]', [
// Value of the 'aria-label' attribute, used in Stark.
':aria_label' => $aria_label,
// Value of the 'aria-labelledby' attribute, used in Claro and Olivero.
':type' => $type,
':message' => $message,
]);
}
elseif ($message) {
$selector = $this->buildXPathQuery($selector . '//div[contains(., :message)]', [
':message' => $message,
]);
}
elseif ($aria_label) {
$selector = $this->buildXPathQuery($selector . '//div[@aria-label=:aria_label]', [
':aria_label' => $aria_label,
]);
}
return $selector;
}
/**
* {@inheritdoc}
*/
public function responseHeaderEquals($name, $value) {
if (!is_string($name)) {
// @todo Trigger deprecation in
// https://www.drupal.org/project/drupal/issues/3421105.
$name = (string) $name;
}
if ($value === NULL) {
// @todo Trigger deprecation in
// https://www.drupal.org/project/drupal/issues/3421105.
$this->responseHeaderDoesNotExist($name);
return;
}
if (!is_string($value)) {
$value = (string) $value;
}
parent::responseHeaderEquals($name, $value);
}
/**
* {@inheritdoc}
*/
public function pageTextContains($text) {
if (!is_string($text)) {
// @todo Trigger deprecation in
// https://www.drupal.org/project/drupal/issues/3421105.
$text = (string) $text;
}
parent::pageTextContains($text);
}
/**
* {@inheritdoc}
*/
public function fieldValueEquals(string $field, $value, ?TraversableElement $container = NULL) {
if (!is_string($value)) {
// @todo Trigger deprecation in
// https://www.drupal.org/project/drupal/issues/3421105.
$value = (string) $value;
}
parent::fieldValueEquals($field, $value, $container);
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
WebAssert | Defines a class with methods for asserting presence of elements during tests. |
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