silverstripe-framework/Dev/FunctionalTest.php
2016-09-09 18:43:05 +12:00

416 lines
14 KiB
PHP

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