mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-07-02 17:39:30 +02:00
aa72425e84
Avoid PHPUnit throwing "test didn't run any assertions" notices in PHP. If nothing else, it keeps test output looking less broken by default, making it more likely that actual errors do get noticed.
333 lines
12 KiB
PHP
333 lines
12 KiB
PHP
<?php
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/**
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* SilverStripe-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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* public 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 framework
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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.
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* However, this will let you inspect 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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public function session() {
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return $this->mainSession->session();
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}
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public function setUp() {
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// Skip calling FunctionalTest directly.
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if(get_class($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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$this->useDraftSite();
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}
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// Unprotect the site, tests are running with the assumption it's off. They will enable it on a case-by-case
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// basis.
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BasicAuth::protect_entire_site(false);
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SecurityToken::disable();
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}
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public function tearDown() {
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SecurityToken::enable();
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parent::tearDown();
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unset($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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public 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) && $response->getHeader('Location')) {
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$response = $this->mainSession->followRedirection();
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}
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return $response;
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}
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/**
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* Submit a post request
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* @uses Director::test()
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*/
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public function post($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) && $response->getHeader('Location')) {
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$response = $this->mainSession->followRedirection();
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}
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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 $data Map of GET/POST data.
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* @return SS_HTTPResponse
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*/
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public function submitForm($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) && $response->getHeader('Location')) {
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$response = $this->mainSession->followRedirection();
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}
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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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public 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 $attribute Name of attribute to find
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* @return SimpleXMLElement object of the attribute
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*/
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public function findAttribute($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 $found;
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}
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/**
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* Return a CSSContentParser for the most recent content.
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*/
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public function cssParser() {
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if(!$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 $expectedMatches The content of at least one of the matched tags
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* @throws PHPUnit_Framework_AssertionFailedError
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* @return boolean
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*/
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public function assertPartialMatchBySelector($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 $match) {
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$this->assertTrue(
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isset($actuals[$match]),
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"Failed asserting the CSS selector '$selector' has a partial match to the expected elements:\n'"
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. 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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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 $expectedMatches The content of *all* matching tags as an array
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* @throws PHPUnit_Framework_AssertionFailedError
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* @return boolean
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*/
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public function assertExactMatchBySelector($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]+/", " ", $item. ''));
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$this->assertTrue(
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$expectedMatches == $actuals,
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"Failed asserting the CSS selector '$selector' has an exact match to the expected elements:\n'"
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. 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 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 $expectedMatches The content of at least one of the matched tags
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* @throws PHPUnit_Framework_AssertionFailedError
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* @return boolean
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*/
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public function assertPartialHTMLMatchBySelector($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 $match) {
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$this->assertTrue(
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isset($actuals[$match]),
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"Failed asserting the CSS selector '$selector' has a partial match to the expected elements:\n'"
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. 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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}
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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 $expectedMatches The content of *all* matched tags as an array
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* @throws PHPUnit_Framework_AssertionFailedError
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* @return boolean
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*/
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public function assertExactHTMLMatchBySelector($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[] = $item->asXML();
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$this->assertTrue(
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$expectedMatches == $actuals,
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"Failed asserting the CSS selector '$selector' has an exact match to the expected elements:\n'"
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. 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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* Log in as the given member
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* @param $member The ID, fixture codename, or Member object of the member that you want to log in
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*/
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public function logInAs($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', $memberID);
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}
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/**
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* Use the draft (stage) site for testing.
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* This is helpful if you're not testing publication functionality and don't want "stage management" cluttering
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* your test.
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*
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* @param bool toggle the use of the draft site
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*/
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public function useDraftSite($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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$this->session()->inst_set('unsecuredDraftSite', false);
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}
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}
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/**
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* Return a static variable from this class.
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* Gets around PHP's lack of late static binding.
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*/
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public function stat($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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