327 lines
12 KiB
PHP
327 lines
12 KiB
PHP
<?php
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/**
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* Sapphire-specific testing object designed to support functional testing of your web app. It simulates get/post
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* requests, form submission, and can validate resulting HTML, looking up content by CSS selector.
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*
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* The example below shows how it works.
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*
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* <code>
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* function testMyForm() {
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* // Visit a URL
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* $this->get("your/url");
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*
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* // Submit a form on the page that you get in response
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* $this->submitForm("MyForm_ID", array("Email" => "invalid email ^&*&^"));
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*
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* // Validate the content that is returned
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* $this->assertExactMatchBySelector("#MyForm_ID p.error", array("That email address is invalid."));
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* }
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* </code>
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*
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* @package sapphire
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* @subpackage testing
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*/
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class FunctionalTest extends SapphireTest {
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/**
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* Set this to true on your sub-class to disable the use of themes in this test.
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* This can be handy for functional testing of modules without having to worry about whether a user has changed
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* behaviour by replacing the theme.
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*/
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static $disable_themes = false;
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/**
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* Set this to true on your sub-class to use the draft site by default for every test in this class.
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*/
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static $use_draft_site = false;
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protected $mainSession = null;
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/**
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* CSSContentParser for the most recently requested page.
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*/
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protected $cssParser = null;
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/**
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* If this is true, then 30x Location headers will be automatically followed.
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* If not, then you will have to manaully call $this->mainSession->followRedirection() to follow them. However, this will let you inspect
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* the intermediary headers
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*/
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protected $autoFollowRedirection = true;
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/**
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* Returns the {@link Session} object for this test
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*/
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function session() {
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return $this->mainSession->session();
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}
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function setUp() {
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// Skip calling FunctionalTest directly.
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if(get_class($this) == "FunctionalTest") $this->skipTest = true;
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parent::setUp();
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$this->mainSession = new TestSession();
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// Disable theme, if necessary
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if($this->stat('disable_themes')) SSViewer::set_theme(null);
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// Switch to draft site, if necessary
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if($this->stat('use_draft_site')) {
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$this->useDraftSite();
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}
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// Unprotect the site, tests are running with the assumption it's off. They will enable it on a case-by-case basis.
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BasicAuth::protect_entire_site(false);
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SecurityToken::disable();
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}
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function tearDown() {
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SecurityToken::enable();
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parent::tearDown();
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unset($this->mainSession);
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}
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/**
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* Submit a get request
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* @uses Director::test()
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*/
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function get($url, $session = null, $headers = null, $cookies = null) {
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$this->cssParser = null;
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$response = $this->mainSession->get($url, $session, $headers, $cookies);
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if($this->autoFollowRedirection && is_object($response) && $response->getHeader('Location')) $response = $this->mainSession->followRedirection();
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return $response;
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}
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/**
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* Submit a post request
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* @uses Director::test()
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*/
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function post($url, $data, $headers = null, $session = null, $body = null, $cookies = null) {
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$this->cssParser = null;
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$response = $this->mainSession->post($url, $data, $headers, $session, $body, $cookies);
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if($this->autoFollowRedirection && is_object($response) && $response->getHeader('Location')) $response = $this->mainSession->followRedirection();
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return $response;
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}
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/**
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* Submit the form with the given HTML ID, filling it out with the given data.
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* Acts on the most recent response.
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*
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* Any data parameters have to be present in the form, with exact form field name
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* and values, otherwise they are removed from the submission.
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*
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* Caution: Parameter names have to be formatted
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* as they are in the form submission, not as they are interpreted by PHP.
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* Wrong: array('mycheckboxvalues' => array(1 => 'one', 2 => 'two'))
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* Right: array('mycheckboxvalues[1]' => 'one', 'mycheckboxvalues[2]' => 'two')
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*
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* @see http://www.simpletest.org/en/form_testing_documentation.html
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*
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* @param String $formID HTML 'id' attribute of a form (loaded through a previous response)
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* @param String $button HTML 'name' attribute of the button (NOT the 'id' attribute)
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* @param Array $data Map of GET/POST data.
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* @return SS_HTTPResponse
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*/
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function submitForm($formID, $button = null, $data = array()) {
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$this->cssParser = null;
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$response = $this->mainSession->submitForm($formID, $button, $data);
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if($this->autoFollowRedirection && is_object($response) && $response->getHeader('Location')) $response = $this->mainSession->followRedirection();
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return $response;
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}
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/**
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* Return the most recent content
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*/
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function content() {
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return $this->mainSession->lastContent();
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}
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/**
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* Find an attribute in a SimpleXMLElement object by name.
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* @param SimpleXMLElement object
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* @param string $attribute Name of attribute to find
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* @return SimpleXMLElement object of the attribute
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*/
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function findAttribute($object, $attribute) {
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$found = false;
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foreach($object->attributes() as $a => $b) {
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if($a == $attribute) {
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$found = $b;
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}
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}
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return $found;
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}
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/**
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* Return a CSSContentParser for the most recent content.
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*/
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function cssParser() {
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if(!$this->cssParser) $this->cssParser = new CSSContentParser($this->mainSession->lastContent());
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return $this->cssParser;
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}
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/**
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* Assert that the most recently queried page contains a number of content tags specified by a CSS selector.
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* The given CSS selector will be applied to the HTML of the most recent page. The content of every matching tag
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* will be examined. The assertion fails if one of the expectedMatches fails to appear.
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*
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* Note: characters are stripped from the content; make sure that your assertions take this into account.
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*
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* @param string $selector A basic CSS selector, e.g. 'li.jobs h3'
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* @param array|string $expectedMatches The content of at least one of the matched tags
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* @throws PHPUnit_Framework_AssertionFailedError
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* @return boolean
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*/
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function assertPartialMatchBySelector($selector, $expectedMatches) {
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if(is_string($expectedMatches)) $expectedMatches = array($expectedMatches);
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$items = $this->cssParser()->getBySelector($selector);
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$actuals = array();
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if($items) foreach($items as $item) $actuals[trim(preg_replace("/[ \n\r\t]+/", " ", $item. ''))] = true;
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foreach($expectedMatches as $match) {
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if(!isset($actuals[$match])) {
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throw new PHPUnit_Framework_AssertionFailedError(
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"Failed asserting the CSS selector '$selector' has a partial match to the expected elements:\n'" . implode("'\n'", $expectedMatches) . "'\n\n"
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. "Instead the following elements were found:\n'" . implode("'\n'", array_keys($actuals)) . "'"
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);
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return false;
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}
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}
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return true;
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}
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/**
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* Assert that the most recently queried page contains a number of content tags specified by a CSS selector.
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* The given CSS selector will be applied to the HTML of the most recent page. The full HTML of every matching tag
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* will be examined. The assertion fails if one of the expectedMatches fails to appear.
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*
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* Note: characters are stripped from the content; make sure that your assertions take this into account.
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*
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* @param string $selector A basic CSS selector, e.g. 'li.jobs h3'
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* @param array|string $expectedMatches The content of *all* matching tags as an array
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* @throws PHPUnit_Framework_AssertionFailedError
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* @return boolean
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*/
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function assertExactMatchBySelector($selector, $expectedMatches) {
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if(is_string($expectedMatches)) $expectedMatches = array($expectedMatches);
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$items = $this->cssParser()->getBySelector($selector);
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$actuals = array();
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if($items) foreach($items as $item) $actuals[] = trim(preg_replace("/[ \n\r\t]+/", " ", $item. ''));
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if($expectedMatches != $actuals) {
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throw new PHPUnit_Framework_AssertionFailedError(
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"Failed asserting the CSS selector '$selector' has an exact match to the expected elements:\n'" . implode("'\n'", $expectedMatches) . "'\n\n"
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. "Instead the following elements were found:\n'" . implode("'\n'", $actuals) . "'"
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);
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return false;
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}
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return true;
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}
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/**
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* Assert that the most recently queried page contains a number of content tags specified by a CSS selector.
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* The given CSS selector will be applied to the HTML of the most recent page. The content of every matching tag
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* will be examined. The assertion fails if one of the expectedMatches fails to appear.
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*
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* Note: characters are stripped from the content; make sure that your assertions take this into account.
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*
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* @param string $selector A basic CSS selector, e.g. 'li.jobs h3'
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* @param array|string $expectedMatches The content of at least one of the matched tags
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* @throws PHPUnit_Framework_AssertionFailedError
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* @return boolean
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*/
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function assertPartialHTMLMatchBySelector($selector, $expectedMatches) {
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if(is_string($expectedMatches)) $expectedMatches = array($expectedMatches);
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$items = $this->cssParser()->getBySelector($selector);
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$actuals = array();
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if($items) foreach($items as $item) $actuals[$item->asXML()] = true;
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foreach($expectedMatches as $match) {
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if(!isset($actuals[$match])) {
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throw new PHPUnit_Framework_AssertionFailedError(
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"Failed asserting the CSS selector '$selector' has a partial match to the expected elements:\n'" . implode("'\n'", $expectedMatches) . "'\n\n"
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. "Instead the following elements were found:\n'" . implode("'\n'", array_keys($actuals)) . "'"
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);
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return false;
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}
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}
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return true;
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}
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/**
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* Assert that the most recently queried page contains a number of content tags specified by a CSS selector.
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* The given CSS selector will be applied to the HTML of the most recent page. The full HTML of every matching tag
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* will be examined. The assertion fails if one of the expectedMatches fails to appear.
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*
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* Note: characters are stripped from the content; make sure that your assertions take this into account.
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*
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* @param string $selector A basic CSS selector, e.g. 'li.jobs h3'
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* @param array|string $expectedMatches The content of *all* matched tags as an array
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* @throws PHPUnit_Framework_AssertionFailedError
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* @return boolean
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*/
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function assertExactHTMLMatchBySelector($selector, $expectedMatches) {
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$items = $this->cssParser()->getBySelector($selector);
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$actuals = array();
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if($items) foreach($items as $item) $actuals[] = $item->asXML();
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if($expectedMatches != $actuals) {
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throw new PHPUnit_Framework_AssertionFailedError(
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"Failed asserting the CSS selector '$selector' has an exact match to the expected elements:\n'" . implode("'\n'", $expectedMatches) . "'\n\n"
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. "Instead the following elements were found:\n'" . implode("'\n'", $actuals) . "'"
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);
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}
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}
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/**
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* Log in as the given member
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* @param $member The ID, fixture codename, or Member object of the member that you want to log in
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*/
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function logInAs($member) {
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if(is_object($member)) $memberID = $member->ID;
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elseif(is_numeric($member)) $memberID = $member;
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else $memberID = $this->idFromFixture('Member', $member);
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$this->session()->inst_set('loggedInAs', $memberID);
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}
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/**
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* Use the draft (stage) site for testing.
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* This is helpful if you're not testing publication functionality and don't want "stage management" cluttering your test.
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*
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* @param bool toggle the use of the draft site
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*/
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function useDraftSite($enabled = true) {
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if($enabled) {
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$this->session()->inst_set('readingMode', 'Stage.Stage');
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$this->session()->inst_set('unsecuredDraftSite', true);
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}
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else {
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$this->session()->inst_set('readingMode', 'Stage.Live');
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$this->session()->inst_set('unsecuredDraftSite', false);
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}
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}
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/**
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* Return a static variable from this class.
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* Gets around PHP's lack of late static binding.
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*/
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function stat($varName) {
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$className = get_class($this);
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return eval("return {$className}::\$$varName;");
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}
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}
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