--- /dev/null
+<?php
+
+/*
+ * This file is part of the Mink package.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Behat\Mink;
+
+use Behat\Mink\Element\Element;
+use Behat\Mink\Element\ElementInterface;
+use Behat\Mink\Element\NodeElement;
+use Behat\Mink\Element\TraversableElement;
+use Behat\Mink\Exception\ElementNotFoundException;
+use Behat\Mink\Exception\ExpectationException;
+use Behat\Mink\Exception\ResponseTextException;
+use Behat\Mink\Exception\ElementHtmlException;
+use Behat\Mink\Exception\ElementTextException;
+
+/**
+ * Mink web assertions tool.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class WebAssert
+{
+ protected $session;
+
+ /**
+ * Initializes assertion engine.
+ *
+ * @param Session $session
+ */
+ public function __construct(Session $session)
+ {
+ $this->session = $session;
+ }
+
+ /**
+ * Checks that current session address is equals to provided one.
+ *
+ * @param string $page
+ *
+ * @throws ExpectationException
+ */
+ public function addressEquals($page)
+ {
+ $expected = $this->cleanUrl($page);
+ $actual = $this->getCurrentUrlPath();
+
+ $this->assert($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 $page
+ *
+ * @throws ExpectationException
+ */
+ public function addressNotEquals($page)
+ {
+ $expected = $this->cleanUrl($page);
+ $actual = $this->getCurrentUrlPath();
+
+ $this->assert($actual !== $expected, sprintf('Current page is "%s", but should not be.', $actual));
+ }
+
+ /**
+ * Checks that current session address matches regex.
+ *
+ * @param string $regex
+ *
+ * @throws ExpectationException
+ */
+ public function addressMatches($regex)
+ {
+ $actual = $this->getCurrentUrlPath();
+ $message = sprintf('Current page "%s" does not match the regex "%s".', $actual, $regex);
+
+ $this->assert((bool) preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that specified cookie exists and its value equals to a given one.
+ *
+ * @param string $name cookie name
+ * @param string $value cookie value
+ *
+ * @throws ExpectationException
+ */
+ public function cookieEquals($name, $value)
+ {
+ $this->cookieExists($name);
+
+ $actualValue = $this->session->getCookie($name);
+ $message = sprintf('Cookie "%s" value is "%s", but should be "%s".', $name, $actualValue, $value);
+
+ $this->assert($actualValue == $value, $message);
+ }
+
+ /**
+ * Checks that specified cookie exists.
+ *
+ * @param string $name cookie name
+ *
+ * @throws ExpectationException
+ */
+ public function cookieExists($name)
+ {
+ $message = sprintf('Cookie "%s" is not set, but should be.', $name);
+ $this->assert($this->session->getCookie($name) !== null, $message);
+ }
+
+ /**
+ * Checks that current response code equals to provided one.
+ *
+ * @param int $code
+ *
+ * @throws ExpectationException
+ */
+ public function statusCodeEquals($code)
+ {
+ $actual = $this->session->getStatusCode();
+ $message = sprintf('Current response status code is %d, but %d expected.', $actual, $code);
+
+ $this->assert(intval($code) === intval($actual), $message);
+ }
+
+ /**
+ * Checks that current response code not equals to provided one.
+ *
+ * @param int $code
+ *
+ * @throws ExpectationException
+ */
+ public function statusCodeNotEquals($code)
+ {
+ $actual = $this->session->getStatusCode();
+ $message = sprintf('Current response status code is %d, but should not be.', $actual);
+
+ $this->assert(intval($code) !== intval($actual), $message);
+ }
+
+ /**
+ * Checks that current response header equals value.
+ *
+ * @param string $name
+ * @param string $value
+ *
+ * @throws ExpectationException
+ */
+ public function responseHeaderEquals($name, $value)
+ {
+ $actual = $this->session->getResponseHeader($name);
+ $message = sprintf('Current response header "%s" is "%s", but "%s" expected.', $name, $actual, $value);
+
+ $this->assert($value === $actual, $message);
+ }
+
+ /**
+ * Checks that current response header does not equal value.
+ *
+ * @param string $name
+ * @param string $value
+ *
+ * @throws ExpectationException
+ */
+ public function responseHeaderNotEquals($name, $value)
+ {
+ $actual = $this->session->getResponseHeader($name);
+ $message = sprintf('Current response header "%s" is "%s", but should not be.', $name, $actual, $value);
+
+ $this->assert($value !== $actual, $message);
+ }
+
+ /**
+ * Checks that current response header contains value.
+ *
+ * @param string $name
+ * @param string $value
+ *
+ * @throws ExpectationException
+ */
+ public function responseHeaderContains($name, $value)
+ {
+ $actual = $this->session->getResponseHeader($name);
+ $message = sprintf('The text "%s" was not found anywhere in the "%s" response header.', $value, $name);
+
+ $this->assert(false !== stripos($actual, $value), $message);
+ }
+
+ /**
+ * Checks that current response header does not contain value.
+ *
+ * @param string $name
+ * @param string $value
+ *
+ * @throws ExpectationException
+ */
+ public function responseHeaderNotContains($name, $value)
+ {
+ $actual = $this->session->getResponseHeader($name);
+ $message = sprintf('The text "%s" was found in the "%s" response header, but it should not.', $value, $name);
+
+ $this->assert(false === stripos($actual, $value), $message);
+ }
+
+ /**
+ * Checks that current response header matches regex.
+ *
+ * @param string $name
+ * @param string $regex
+ *
+ * @throws ExpectationException
+ */
+ public function responseHeaderMatches($name, $regex)
+ {
+ $actual = $this->session->getResponseHeader($name);
+ $message = sprintf('The pattern "%s" was not found anywhere in the "%s" response header.', $regex, $name);
+
+ $this->assert((bool) preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that current response header does not match regex.
+ *
+ * @param string $name
+ * @param string $regex
+ *
+ * @throws ExpectationException
+ */
+ public function responseHeaderNotMatches($name, $regex)
+ {
+ $actual = $this->session->getResponseHeader($name);
+ $message = sprintf(
+ 'The pattern "%s" was found in the text of the "%s" response header, but it should not.',
+ $regex,
+ $name
+ );
+
+ $this->assert(!preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that current page contains text.
+ *
+ * @param string $text
+ *
+ * @throws ResponseTextException
+ */
+ public function pageTextContains($text)
+ {
+ $actual = $this->session->getPage()->getText();
+ $actual = preg_replace('/\s+/u', ' ', $actual);
+ $regex = '/'.preg_quote($text, '/').'/ui';
+ $message = sprintf('The text "%s" was not found anywhere in the text of the current page.', $text);
+
+ $this->assertResponseText((bool) preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that current page does not contains text.
+ *
+ * @param string $text
+ *
+ * @throws ResponseTextException
+ */
+ public function pageTextNotContains($text)
+ {
+ $actual = $this->session->getPage()->getText();
+ $actual = preg_replace('/\s+/u', ' ', $actual);
+ $regex = '/'.preg_quote($text, '/').'/ui';
+ $message = sprintf('The text "%s" appears in the text of this page, but it should not.', $text);
+
+ $this->assertResponseText(!preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that current page text matches regex.
+ *
+ * @param string $regex
+ *
+ * @throws ResponseTextException
+ */
+ public function pageTextMatches($regex)
+ {
+ $actual = $this->session->getPage()->getText();
+ $message = sprintf('The pattern %s was not found anywhere in the text of the current page.', $regex);
+
+ $this->assertResponseText((bool) preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that current page text does not matches regex.
+ *
+ * @param string $regex
+ *
+ * @throws ResponseTextException
+ */
+ public function pageTextNotMatches($regex)
+ {
+ $actual = $this->session->getPage()->getText();
+ $message = sprintf('The pattern %s was found in the text of the current page, but it should not.', $regex);
+
+ $this->assertResponseText(!preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that page HTML (response content) contains text.
+ *
+ * @param string $text
+ *
+ * @throws ExpectationException
+ */
+ public function responseContains($text)
+ {
+ $actual = $this->session->getPage()->getContent();
+ $regex = '/'.preg_quote($text, '/').'/ui';
+ $message = sprintf('The string "%s" was not found anywhere in the HTML response of the current page.', $text);
+
+ $this->assert((bool) preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that page HTML (response content) does not contains text.
+ *
+ * @param string $text
+ *
+ * @throws ExpectationException
+ */
+ public function responseNotContains($text)
+ {
+ $actual = $this->session->getPage()->getContent();
+ $regex = '/'.preg_quote($text, '/').'/ui';
+ $message = sprintf('The string "%s" appears in the HTML response of this page, but it should not.', $text);
+
+ $this->assert(!preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that page HTML (response content) matches regex.
+ *
+ * @param string $regex
+ *
+ * @throws ExpectationException
+ */
+ public function responseMatches($regex)
+ {
+ $actual = $this->session->getPage()->getContent();
+ $message = sprintf('The pattern %s was not found anywhere in the HTML response of the page.', $regex);
+
+ $this->assert((bool) preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that page HTML (response content) does not matches regex.
+ *
+ * @param $regex
+ *
+ * @throws ExpectationException
+ */
+ public function responseNotMatches($regex)
+ {
+ $actual = $this->session->getPage()->getContent();
+ $message = sprintf('The pattern %s was found in the HTML response of the page, but it should not.', $regex);
+
+ $this->assert(!preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that there is specified number of specific elements on the page.
+ *
+ * @param string $selectorType element selector type (css, xpath)
+ * @param string|array $selector element selector
+ * @param int $count expected count
+ * @param ElementInterface $container document to check against
+ *
+ * @throws ExpectationException
+ */
+ public function elementsCount($selectorType, $selector, $count, ElementInterface $container = null)
+ {
+ $container = $container ?: $this->session->getPage();
+ $nodes = $container->findAll($selectorType, $selector);
+
+ $message = sprintf(
+ '%d %s found on the page, but should be %d.',
+ count($nodes),
+ $this->getMatchingElementRepresentation($selectorType, $selector, count($nodes) !== 1),
+ $count
+ );
+
+ $this->assert(intval($count) === count($nodes), $message);
+ }
+
+ /**
+ * Checks that specific element exists on the current page.
+ *
+ * @param string $selectorType element selector type (css, xpath)
+ * @param string|array $selector element selector
+ * @param ElementInterface $container document to check against
+ *
+ * @return NodeElement
+ *
+ * @throws ElementNotFoundException
+ */
+ public function elementExists($selectorType, $selector, ElementInterface $container = null)
+ {
+ $container = $container ?: $this->session->getPage();
+ $node = $container->find($selectorType, $selector);
+
+ if (null === $node) {
+ if (is_array($selector)) {
+ $selector = implode(' ', $selector);
+ }
+
+ throw new ElementNotFoundException($this->session->getDriver(), 'element', $selectorType, $selector);
+ }
+
+ return $node;
+ }
+
+ /**
+ * Checks that specific element does not exists on the current page.
+ *
+ * @param string $selectorType element selector type (css, xpath)
+ * @param string|array $selector element selector
+ * @param ElementInterface $container document to check against
+ *
+ * @throws ExpectationException
+ */
+ public function elementNotExists($selectorType, $selector, ElementInterface $container = null)
+ {
+ $container = $container ?: $this->session->getPage();
+ $node = $container->find($selectorType, $selector);
+
+ $message = sprintf(
+ 'An %s appears on this page, but it should not.',
+ $this->getMatchingElementRepresentation($selectorType, $selector)
+ );
+
+ $this->assert(null === $node, $message);
+ }
+
+ /**
+ * Checks that specific element contains text.
+ *
+ * @param string $selectorType element selector type (css, xpath)
+ * @param string|array $selector element selector
+ * @param string $text expected text
+ *
+ * @throws ElementTextException
+ */
+ public function elementTextContains($selectorType, $selector, $text)
+ {
+ $element = $this->elementExists($selectorType, $selector);
+ $actual = $element->getText();
+ $regex = '/'.preg_quote($text, '/').'/ui';
+
+ $message = sprintf(
+ 'The text "%s" was not found in the text of the %s.',
+ $text,
+ $this->getMatchingElementRepresentation($selectorType, $selector)
+ );
+
+ $this->assertElementText((bool) preg_match($regex, $actual), $message, $element);
+ }
+
+ /**
+ * Checks that specific element does not contains text.
+ *
+ * @param string $selectorType element selector type (css, xpath)
+ * @param string|array $selector element selector
+ * @param string $text expected text
+ *
+ * @throws ElementTextException
+ */
+ public function elementTextNotContains($selectorType, $selector, $text)
+ {
+ $element = $this->elementExists($selectorType, $selector);
+ $actual = $element->getText();
+ $regex = '/'.preg_quote($text, '/').'/ui';
+
+ $message = sprintf(
+ 'The text "%s" appears in the text of the %s, but it should not.',
+ $text,
+ $this->getMatchingElementRepresentation($selectorType, $selector)
+ );
+
+ $this->assertElementText(!preg_match($regex, $actual), $message, $element);
+ }
+
+ /**
+ * Checks that specific element contains HTML.
+ *
+ * @param string $selectorType element selector type (css, xpath)
+ * @param string|array $selector element selector
+ * @param string $html expected text
+ *
+ * @throws ElementHtmlException
+ */
+ public function elementContains($selectorType, $selector, $html)
+ {
+ $element = $this->elementExists($selectorType, $selector);
+ $actual = $element->getHtml();
+ $regex = '/'.preg_quote($html, '/').'/ui';
+
+ $message = sprintf(
+ 'The string "%s" was not found in the HTML of the %s.',
+ $html,
+ $this->getMatchingElementRepresentation($selectorType, $selector)
+ );
+
+ $this->assertElement((bool) preg_match($regex, $actual), $message, $element);
+ }
+
+ /**
+ * Checks that specific element does not contains HTML.
+ *
+ * @param string $selectorType element selector type (css, xpath)
+ * @param string|array $selector element selector
+ * @param string $html expected text
+ *
+ * @throws ElementHtmlException
+ */
+ public function elementNotContains($selectorType, $selector, $html)
+ {
+ $element = $this->elementExists($selectorType, $selector);
+ $actual = $element->getHtml();
+ $regex = '/'.preg_quote($html, '/').'/ui';
+
+ $message = sprintf(
+ 'The string "%s" appears in the HTML of the %s, but it should not.',
+ $html,
+ $this->getMatchingElementRepresentation($selectorType, $selector)
+ );
+
+ $this->assertElement(!preg_match($regex, $actual), $message, $element);
+ }
+
+ /**
+ * Checks that an attribute exists in an element.
+ *
+ * @param string $selectorType
+ * @param string|array $selector
+ * @param string $attribute
+ *
+ * @return NodeElement
+ *
+ * @throws ElementHtmlException
+ */
+ public function elementAttributeExists($selectorType, $selector, $attribute)
+ {
+ $element = $this->elementExists($selectorType, $selector);
+
+ $message = sprintf(
+ 'The attribute "%s" was not found in the %s.',
+ $attribute,
+ $this->getMatchingElementRepresentation($selectorType, $selector)
+ );
+
+ $this->assertElement($element->hasAttribute($attribute), $message, $element);
+
+ return $element;
+ }
+
+ /**
+ * Checks that an attribute of a specific elements contains text.
+ *
+ * @param string $selectorType
+ * @param string|array $selector
+ * @param string $attribute
+ * @param string $text
+ *
+ * @throws ElementHtmlException
+ */
+ public function elementAttributeContains($selectorType, $selector, $attribute, $text)
+ {
+ $element = $this->elementAttributeExists($selectorType, $selector, $attribute);
+ $actual = $element->getAttribute($attribute);
+ $regex = '/'.preg_quote($text, '/').'/ui';
+
+ $message = sprintf(
+ 'The text "%s" was not found in the attribute "%s" of the %s.',
+ $text,
+ $attribute,
+ $this->getMatchingElementRepresentation($selectorType, $selector)
+ );
+
+ $this->assertElement((bool) preg_match($regex, $actual), $message, $element);
+ }
+
+ /**
+ * Checks that an attribute of a specific elements does not contain text.
+ *
+ * @param string $selectorType
+ * @param string|array $selector
+ * @param string $attribute
+ * @param string $text
+ *
+ * @throws ElementHtmlException
+ */
+ public function elementAttributeNotContains($selectorType, $selector, $attribute, $text)
+ {
+ $element = $this->elementAttributeExists($selectorType, $selector, $attribute);
+ $actual = $element->getAttribute($attribute);
+ $regex = '/'.preg_quote($text, '/').'/ui';
+
+ $message = sprintf(
+ 'The text "%s" was found in the attribute "%s" of the %s.',
+ $text,
+ $attribute,
+ $this->getMatchingElementRepresentation($selectorType, $selector)
+ );
+
+ $this->assertElement(!preg_match($regex, $actual), $message, $element);
+ }
+
+ /**
+ * Checks that specific field exists on the current page.
+ *
+ * @param string $field field id|name|label|value
+ * @param TraversableElement $container document to check against
+ *
+ * @return NodeElement
+ *
+ * @throws ElementNotFoundException
+ */
+ public function fieldExists($field, TraversableElement $container = null)
+ {
+ $container = $container ?: $this->session->getPage();
+ $node = $container->findField($field);
+
+ if (null === $node) {
+ throw new ElementNotFoundException($this->session->getDriver(), 'form field', 'id|name|label|value', $field);
+ }
+
+ return $node;
+ }
+
+ /**
+ * Checks that specific field does not exists on the current page.
+ *
+ * @param string $field field id|name|label|value
+ * @param TraversableElement $container document to check against
+ *
+ * @throws ExpectationException
+ */
+ public function fieldNotExists($field, TraversableElement $container = null)
+ {
+ $container = $container ?: $this->session->getPage();
+ $node = $container->findField($field);
+
+ $this->assert(null === $node, sprintf('A field "%s" appears on this page, but it should not.', $field));
+ }
+
+ /**
+ * Checks that specific field have provided value.
+ *
+ * @param string $field field id|name|label|value
+ * @param string $value field value
+ * @param TraversableElement $container document to check against
+ *
+ * @throws ExpectationException
+ */
+ public function fieldValueEquals($field, $value, TraversableElement $container = null)
+ {
+ $node = $this->fieldExists($field, $container);
+ $actual = $node->getValue();
+ $regex = '/^'.preg_quote($value, '/').'$/ui';
+
+ $message = sprintf('The field "%s" value is "%s", but "%s" expected.', $field, $actual, $value);
+
+ $this->assert((bool) preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that specific field have provided value.
+ *
+ * @param string $field field id|name|label|value
+ * @param string $value field value
+ * @param TraversableElement $container document to check against
+ *
+ * @throws ExpectationException
+ */
+ public function fieldValueNotEquals($field, $value, TraversableElement $container = null)
+ {
+ $node = $this->fieldExists($field, $container);
+ $actual = $node->getValue();
+ $regex = '/^'.preg_quote($value, '/').'$/ui';
+
+ $message = sprintf('The field "%s" value is "%s", but it should not be.', $field, $actual);
+
+ $this->assert(!preg_match($regex, $actual), $message);
+ }
+
+ /**
+ * Checks that specific checkbox is checked.
+ *
+ * @param string $field field id|name|label|value
+ * @param TraversableElement $container document to check against
+ *
+ * @throws ExpectationException
+ */
+ public function checkboxChecked($field, TraversableElement $container = null)
+ {
+ $node = $this->fieldExists($field, $container);
+
+ $this->assert($node->isChecked(), sprintf('Checkbox "%s" is not checked, but it should be.', $field));
+ }
+
+ /**
+ * Checks that specific checkbox is unchecked.
+ *
+ * @param string $field field id|name|label|value
+ * @param TraversableElement $container document to check against
+ *
+ * @throws ExpectationException
+ */
+ public function checkboxNotChecked($field, TraversableElement $container = null)
+ {
+ $node = $this->fieldExists($field, $container);
+
+ $this->assert(!$node->isChecked(), sprintf('Checkbox "%s" is checked, but it should not be.', $field));
+ }
+
+ /**
+ * Gets current url of the page.
+ *
+ * @return string
+ */
+ protected function getCurrentUrlPath()
+ {
+ return $this->cleanUrl($this->session->getCurrentUrl());
+ }
+
+ /**
+ * Trims scriptname from the URL.
+ *
+ * @param string $url
+ *
+ * @return string
+ */
+ protected function cleanUrl($url)
+ {
+ $parts = parse_url($url);
+ $fragment = empty($parts['fragment']) ? '' : '#'.$parts['fragment'];
+ $path = empty($parts['path']) ? '/' : $parts['path'];
+
+ return preg_replace('/^\/[^\.\/]+\.php\//', '/', $path).$fragment;
+ }
+
+ /**
+ * Asserts a condition.
+ *
+ * @param bool $condition
+ * @param string $message Failure message
+ *
+ * @throws ExpectationException when the condition is not fulfilled
+ */
+ private function assert($condition, $message)
+ {
+ if ($condition) {
+ return;
+ }
+
+ throw new ExpectationException($message, $this->session->getDriver());
+ }
+
+ /**
+ * Asserts a condition involving the response text.
+ *
+ * @param bool $condition
+ * @param string $message Failure message
+ *
+ * @throws ResponseTextException when the condition is not fulfilled
+ */
+ private function assertResponseText($condition, $message)
+ {
+ if ($condition) {
+ return;
+ }
+
+ throw new ResponseTextException($message, $this->session->getDriver());
+ }
+
+ /**
+ * Asserts a condition on an element.
+ *
+ * @param bool $condition
+ * @param string $message Failure message
+ * @param Element $element
+ *
+ * @throws ElementHtmlException when the condition is not fulfilled
+ */
+ private function assertElement($condition, $message, Element $element)
+ {
+ if ($condition) {
+ return;
+ }
+
+ throw new ElementHtmlException($message, $this->session->getDriver(), $element);
+ }
+
+ /**
+ * Asserts a condition involving the text of an element.
+ *
+ * @param bool $condition
+ * @param string $message Failure message
+ * @param Element $element
+ *
+ * @throws ElementTextException when the condition is not fulfilled
+ */
+ private function assertElementText($condition, $message, Element $element)
+ {
+ if ($condition) {
+ return;
+ }
+
+ throw new ElementTextException($message, $this->session->getDriver(), $element);
+ }
+
+ /**
+ * @param string $selectorType
+ * @param string|array $selector
+ * @param bool $plural
+ *
+ * @return string
+ */
+ private function getMatchingElementRepresentation($selectorType, $selector, $plural = false)
+ {
+ $pluralization = $plural ? 's' : '';
+
+ if (in_array($selectorType, array('named', 'named_exact', 'named_partial'))
+ && is_array($selector) && 2 === count($selector)
+ ) {
+ return sprintf('%s%s matching locator "%s"', $selector[0], $pluralization, $selector[1]);
+ }
+
+ if (is_array($selector)) {
+ $selector = implode(' ', $selector);
+ }
+
+ return sprintf('element%s matching %s "%s"', $pluralization, $selectorType, $selector);
+ }
+}