silverstripe-framework/dev/SapphireTest.php

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<?php
require_once 'TestRunner.php';
if(hasPhpUnit()) {
require_once 'PHPUnit/Framework.php';
}
/**
* Test case class for the Sapphire framework.
* Sapphire unit testing is based on PHPUnit, but provides a number of hooks into our data model that make it easier to work with.
*
* @package sapphire
* @subpackage testing
*/
class SapphireTest extends PHPUnit_Framework_TestCase {
/**
* Path to fixture data for this test run.
* If passed as an array, multiple fixture files will be loaded.
* Please note that you won't be able to refer with "=>" notation
* between the fixtures, they act independent of each other.
*
* @var string|array
*/
static $fixture_file = null;
/**
* @var Boolean If set to TRUE, this will force a test database to be generated
* in {@link setUp()}. Note that this flag is overruled by the presence of a
* {@link $fixture_file}, which always forces a database build.
*/
protected $usesDatabase = null;
protected $originalMailer;
protected $originalMemberPasswordValidator;
protected $originalRequirements;
protected $originalIsRunningTest;
protected $originalTheme;
protected $originalNestedURLsState;
protected $mailer;
protected static $is_running_test = false;
/**
* A list of extensions that can't be applied during the execution of this run. If they are
* applied, they will be temporarily removed and a database migration called.
*
* The keys of the are the classes that the extensions can't be applied the extensions to, and
* the values are an array of illegal extensions on that class.
*/
protected $illegalExtensions = array(
);
/**
* A list of extensions that must be applied during the execution of this run. If they are
* not applied, they will be temporarily added and a database migration called.
*
* The keys of the are the classes to apply the extensions to, and the values are an array
* of illegal required extensions on that class.
*/
protected $requiredExtensions = array(
);
/**
* By default, the test database won't contain any DataObjects that have the interface TestOnly.
* This variable lets you define additional TestOnly DataObjects to set up for this test.
* Set it to an array of DataObject subclass names.
*/
protected $extraDataObjects = array();
/**
* We need to disabling backing up of globals to avoid overriding
* the few globals SilverStripe relies on, like $lang for the i18n subsystem.
*
* @see http://sebastian-bergmann.de/archives/797-Global-Variables-and-PHPUnit.html
*/
protected $backupGlobals = FALSE;
/**
* Helper arrays for illegalExtensions/requiredExtensions code
*/
private $extensionsToReapply = array(), $extensionsToRemove = array();
public static function is_running_test() {
return self::$is_running_test;
}
/**
* @var array $fixtures Array of {@link YamlFixture} instances
*/
protected $fixtures;
function setUp() {
// Mark test as being run
$this->originalIsRunningTest = self::$is_running_test;
self::$is_running_test = true;
// Remove password validation
$this->originalMemberPasswordValidator = Member::password_validator();
$this->originalRequirements = Requirements::backend();
Member::set_password_validator(null);
Cookie::set_report_errors(false);
RootURLController::reset();
Translatable::reset();
Versioned::reset();
DataObject::reset();
SiteTree::reset();
Hierarchy::reset();
Controller::curr()->setSession(new Session(array()));
$this->originalTheme = SSViewer::current_theme();
// Save nested_urls state, so we can restore it later
$this->originalNestedURLsState = SiteTree::nested_urls();
$className = get_class($this);
$fixtureFile = eval("return {$className}::\$fixture_file;");
// Set up fixture
if($fixtureFile || $this->usesDatabase || !self::using_temp_db()) {
if(substr(DB::getConn()->currentDatabase(),0,5) != 'tmpdb') {
//echo "Re-creating temp database... ";
self::create_temp_db();
//echo "done.\n";
}
singleton('DataObject')->flushCache();
self::empty_temp_db();
$fixtureFiles = (is_array($fixtureFile)) ? $fixtureFile : array($fixtureFile);
$i = 0;
foreach($fixtureFiles as $fixtureFilePath) {
$fixture = new YamlFixture($fixtureFilePath);
$fixture->saveIntoDatabase();
$this->fixtures[] = $fixture;
// backwards compatibility: Load first fixture into $this->fixture
if($i == 0) $this->fixture = $fixture;
$i++;
}
$this->logInWithPermssion("ADMIN");
}
// Set up email
$this->originalMailer = Email::mailer();
$this->mailer = new TestMailer();
Email::set_mailer($this->mailer);
Email::send_all_emails_to(null);
}
/**
* Called once per test case ({@link SapphireTest} subclass).
* This is different to {@link setUp()}, which gets called once
* per method. Useful to initialize expensive operations which
* don't change state for any called method inside the test,
* e.g. dynamically adding an extension. See {@link tearDownOnce()}
* for tearing down the state again.
*/
function setUpOnce() {
// Remove any illegal extensions that are present
foreach($this->illegalExtensions as $class => $extensions) {
foreach($extensions as $extension) {
if (Object::has_extension($class, $extension)) {
if(!isset($this->extensionsToReapply[$class])) $this->extensionsToReapply[$class] = array();
$this->extensionsToReapply[$class][] = $extension;
Object::remove_extension($class, $extension);
$isAltered = true;
}
}
}
// Add any required extensions that aren't present
foreach($this->requiredExtensions as $class => $extensions) {
$this->extensionsToRemove[$class] = array();
foreach($extensions as $extension) {
if(!Object::has_extension($class, $extension)) {
if(!isset($this->extensionsToRemove[$class])) $this->extensionsToReapply[$class] = array();
$this->extensionsToRemove[$class][] = $extension;
Object::add_extension($class, $extension);
$isAltered = true;
}
}
}
// If we have made changes to the extensions present, then migrate the database schema.
if($this->extensionsToReapply || $this->extensionsToRemove || $this->extraDataObjects) {
if(!self::using_temp_db()) self::create_temp_db();
$this->resetDBSchema(true);
}
// clear singletons, they're caching old extension info
// which is used in DatabaseAdmin->doBuild()
global $_SINGLETONS;
$_SINGLETONS = array();
}
/**
* tearDown method that's called once per test class rather once per test method.
*/
function tearDownOnce() {
// If we have made changes to the extensions present, then migrate the database schema.
if($this->extensionsToReapply || $this->extensionsToRemove) {
// Remove extensions added for testing
foreach($this->extensionsToRemove as $class => $extensions) {
foreach($extensions as $extension) {
Object::remove_extension($class, $extension);
}
}
// Reapply ones removed
foreach($this->extensionsToReapply as $class => $extensions) {
foreach($extensions as $extension) {
Object::add_extension($class, $extension);
}
}
}
if($this->extensionsToReapply || $this->extensionsToRemove || $this->extraDataObjects) {
$this->resetDBSchema();
}
}
/**
* Array
*/
protected $fixtureDictionary;
/**
* Get the ID of an object from the fixture.
* @param $className The data class, as specified in your fixture file. Parent classes won't work
* @param $identifier The identifier string, as provided in your fixture file
* @return int
*/
protected function idFromFixture($className, $identifier) {
if(!$this->fixtures) {
user_error("You've called idFromFixture() but you haven't specified static \$fixture_file.\n", E_USER_WARNING);
return;
}
foreach($this->fixtures as $fixture) {
$match = $fixture->idFromFixture($className, $identifier);
if($match) return $match;
}
$fixtureFiles = Object::get_static(get_class($this), 'fixture_file');
user_error(sprintf(
"Couldn't find object '%s' (class: %s) in files %s",
$identifier,
$className,
(is_array($fixtureFiles)) ? implode(',', $fixtureFiles) : $fixtureFiles
), E_USER_ERROR);
return false;
}
/**
* Return all of the IDs in the fixture of a particular class name.
* Will collate all IDs form all fixtures if multiple fixtures are provided.
*
* @param string $className
* @return A map of fixture-identifier => object-id
*/
protected function allFixtureIDs($className) {
if(!$this->fixtures) {
user_error("You've called allFixtureIDs() but you haven't specified static \$fixture_file.\n", E_USER_WARNING);
return;
}
$ids = array();
foreach($this->fixtures as $fixture) {
$ids += $fixture->allFixtureIDs($className);
}
return $ids;
}
/**
* Get an object from the fixture.
* @param $className The data class, as specified in your fixture file. Parent classes won't work
* @param $identifier The identifier string, as provided in your fixture file
*/
protected function objFromFixture($className, $identifier) {
if(!$this->fixtures) {
user_error("You've called objFromFixture() but you haven't specified static \$fixture_file.\n", E_USER_WARNING);
return;
}
foreach($this->fixtures as $fixture) {
$match = $fixture->objFromFixture($className, $identifier);
if($match) return $match;
}
$fixtureFiles = Object::get_static(get_class($this), 'fixture_file');
user_error(sprintf(
"Couldn't find object '%s' (class: %s) in files %s",
$identifier,
$className,
(is_array($fixtureFiles)) ? implode(',', $fixtureFiles) : $fixtureFiles
), E_USER_ERROR);
return false;
}
/**
* Load a YAML fixture file into the database.
* Once loaded, you can use idFromFixture() and objFromFixture() to get items from the fixture.
* Doesn't clear existing fixtures.
*
* @param $fixtureFile The location of the .yml fixture file, relative to the site base dir
*/
function loadFixture($fixtureFile) {
$parser = new Spyc();
$fixtureContent = $parser->load(Director::baseFolder().'/'.$fixtureFile);
$fixture = new YamlFixture($fixtureFile);
$fixture->saveIntoDatabase();
$this->fixtures[] = $fixture;
}
/**
* Clear all fixtures which were previously loaded through
* {@link loadFixture()}.
*/
function clearFixtures() {
$this->fixtures = array();
}
function tearDown() {
// Restore email configuration
Email::set_mailer($this->originalMailer);
$this->originalMailer = null;
$this->mailer = null;
// Restore password validation
Member::set_password_validator($this->originalMemberPasswordValidator);
// Restore requirements
Requirements::set_backend($this->originalRequirements);
// Mark test as no longer being run - we use originalIsRunningTest to allow for nested SapphireTest calls
self::$is_running_test = $this->originalIsRunningTest;
$this->originalIsRunningTest = null;
// Reset theme setting
SSViewer::set_theme($this->originalTheme);
// Reset mocked datetime
SS_Datetime::clear_mock_now();
// Restore nested_urls state
if ( $this->originalNestedURLsState )
SiteTree::enable_nested_urls();
else
SiteTree::disable_nested_urls();
// Stop the redirection that might have been requested in the test.
// Note: Ideally a clean Controller should be created for each test.
// Now all tests executed in a batch share the same controller.
$controller = Controller::curr();
if ( $controller && $controller->response && $controller->response->getHeader('Location') ) {
$controller->response->setStatusCode(200);
$controller->response->removeHeader('Location');
}
}
/**
* Clear the log of emails sent
*/
function clearEmails() {
return $this->mailer->clearEmails();
}
/**
* Search for an email that was sent.
* All of the parameters can either be a string, or, if they start with "/", a PREG-compatible regular expression.
* @param $to
* @param $from
* @param $subject
* @param $content
* @return An array containing the keys: 'type','to','from','subject','content', 'plainContent','attachedFiles','customHeaders','htmlContent',inlineImages'
*/
function findEmail($to, $from = null, $subject = null, $content = null) {
return $this->mailer->findEmail($to, $from, $subject, $content);
}
/**
* Assert that the matching email was sent since the last call to clearEmails()
* All of the parameters can either be a string, or, if they start with "/", a PREG-compatible regular expression.
* @param $to
* @param $from
* @param $subject
* @param $content
* @return An array containing the keys: 'type','to','from','subject','content', 'plainContent','attachedFiles','customHeaders','htmlContent',inlineImages'
*/
function assertEmailSent($to, $from = null, $subject = null, $content = null) {
// To do - this needs to be turned into a "real" PHPUnit ass
if(!$this->findEmail($to, $from, $subject, $content)) {
$infoParts = "";
$withParts = array();
if($to) $infoParts .= " to '$to'";
if($from) $infoParts .= " from '$from'";
if($subject) $withParts[] = "subject '$subject'";
if($content) $withParts[] = "content '$content'";
if($withParts) $infoParts .= " with " . implode(" and ", $withParts);
throw new PHPUnit_Framework_AssertionFailedError(
"Failed asserting that an email was sent$infoParts."
);
}
}
/**
* Assert that the given {@link DataObjectSet} includes DataObjects matching the given key-value
* pairs. Each match must correspond to 1 distinct record.
*
* @param $matches The patterns to match. Each pattern is a map of key-value pairs. You can
* either pass a single pattern or an array of patterns.
* @param $dataObjectSet The {@link DataObjectSet} to test.
*
* Examples
* --------
* Check that $members includes an entry with Email = sam@example.com:
* $this->assertDOSContains(array('Email' => '...@example.com'), $members);
*
* Check that $members includes entries with Email = sam@example.com and with
* Email = ingo@example.com:
* $this->assertDOSContains(array(
* array('Email' => '...@example.com'),
* array('Email' => 'i...@example.com'),
* ), $members);
*/
function assertDOSContains($matches, $dataObjectSet) {
$extracted = array();
foreach($dataObjectSet as $item) $extracted[] = $item->toMap();
foreach($matches as $match) {
$matched = false;
foreach($extracted as $i => $item) {
if($this->dataObjectArrayMatch($item, $match)) {
// Remove it from $extracted so that we don't get duplicate mapping.
unset($extracted[$i]);
$matched = true;
break;
}
}
// We couldn't find a match - assertion failed
if(!$matched) {
throw new PHPUnit_Framework_AssertionFailedError(
"Failed asserting that the DataObjectSet contains an item matching "
. var_export($match, true) . "\n\nIn the following DataObjectSet:\n"
. $this->DOSSummaryForMatch($dataObjectSet, $match)
);
}
}
}
/**
* Assert that the given {@link DataObjectSet} includes only DataObjects matching the given
* key-value pairs. Each match must correspond to 1 distinct record.
*
* @param $matches The patterns to match. Each pattern is a map of key-value pairs. You can
* either pass a single pattern or an array of patterns.
* @param $dataObjectSet The {@link DataObjectSet} to test.
*
* Example
* --------
* Check that *only* the entries Sam Minnee and Ingo Schommer exist in $members. Order doesn't
* matter:
* $this->assertDOSEquals(array(
* array('FirstName' =>'Sam', 'Surname' => 'Minnee'),
* array('FirstName' => 'Ingo', 'Surname' => 'Schommer'),
* ), $members);
*/
function assertDOSEquals($matches, $dataObjectSet) {
if(!$dataObjectSet) return false;
$extracted = array();
foreach($dataObjectSet as $item) $extracted[] = $item->toMap();
foreach($matches as $match) {
$matched = false;
foreach($extracted as $i => $item) {
if($this->dataObjectArrayMatch($item, $match)) {
// Remove it from $extracted so that we don't get duplicate mapping.
unset($extracted[$i]);
$matched = true;
break;
}
}
// We couldn't find a match - assertion failed
if(!$matched) {
throw new PHPUnit_Framework_AssertionFailedError(
"Failed asserting that the DataObjectSet contains an item matching "
. var_export($match, true) . "\n\nIn the following DataObjectSet:\n"
. $this->DOSSummaryForMatch($dataObjectSet, $match)
);
}
}
// If we have leftovers than the DOS has extra data that shouldn't be there
if($extracted) {
// If we didn't break by this point then we couldn't find a match
throw new PHPUnit_Framework_AssertionFailedError(
"Failed asserting that the DataObjectSet contained only the given items, the "
. "following items were left over:\n" . var_export($extracted, true)
);
}
}
/**
* Assert that the every record in the given {@link DataObjectSet} matches the given key-value
* pairs.
*
* @param $match The pattern to match. The pattern is a map of key-value pairs.
* @param $dataObjectSet The {@link DataObjectSet} to test.
*
* Example
* --------
* Check that every entry in $members has a Status of 'Active':
* $this->assertDOSAllMatch(array('Status' => 'Active'), $members);
*/
function assertDOSAllMatch($match, $dataObjectSet) {
$extracted = array();
foreach($dataObjectSet as $item) $extracted[] = $item->toMap();
foreach($extracted as $i => $item) {
if(!$this->dataObjectArrayMatch($item, $match)) {
throw new PHPUnit_Framework_AssertionFailedError(
"Failed asserting that the the following item matched "
. var_export($match, true) . ": " . var_export($item, true)
);
}
}
}
/**
* Helper function for the DOS matchers
*/
private function dataObjectArrayMatch($item, $match) {
foreach($match as $k => $v) {
if(!isset($item[$k]) || $item[$k] != $v) return false;
}
return true;
}
/**
* Helper function for the DOS matchers
*/
private function DOSSummaryForMatch($dataObjectSet, $match) {
$extracted = array();
foreach($dataObjectSet as $item) $extracted[] = array_intersect_key($item->toMap(), $match);
return var_export($extracted, true);
}
/**
* Returns true if we are currently using a temporary database
*/
static function using_temp_db() {
$dbConn = DB::getConn();
return $dbConn && (substr($dbConn->currentDatabase(),0,5) == 'tmpdb');
}
/**
* @todo Make this db agnostic
*/
static function kill_temp_db() {
// Delete our temporary database
if(self::using_temp_db()) {
$dbConn = DB::getConn();
$dbName = $dbConn->currentDatabase();
if($dbName && DB::getConn()->databaseExists($dbName)) {
// Some DataObjectsDecorators keep a static cache of information that needs to
// be reset whenever the database is killed
foreach(ClassInfo::subclassesFor('DataObjectDecorator') as $class) {
$toCall = array($class, 'on_db_reset');
if(is_callable($toCall)) call_user_func($toCall);
}
// echo "Deleted temp database " . $dbConn->currentDatabase() . "\n";
$dbConn->dropDatabase();
}
}
}
/**
* Remove all content from the temporary database.
*/
static function empty_temp_db() {
if(self::using_temp_db()) {
$dbadmin = new DatabaseAdmin();
$dbadmin->clearAllData();
// Some DataObjectsDecorators keep a static cache of information that needs to
// be reset whenever the database is cleaned out
foreach(ClassInfo::subclassesFor('DataObjectDecorator') as $class) {
$toCall = array($class, 'on_db_reset');
if(is_callable($toCall)) call_user_func($toCall);
}
}
}
/**
* @todo Make this db agnostic
*/
static function create_temp_db() {
// Create a temporary database
$dbConn = DB::getConn();
$dbname = 'tmpdb' . rand(1000000,9999999);
while(!$dbname || $dbConn->databaseExists($dbname)) {
$dbname = 'tmpdb' . rand(1000000,9999999);
}
$dbConn->selectDatabase($dbname);
$dbConn->createDatabase();
$st = new SapphireTest();
$st->resetDBSchema();
return $dbname;
}
static function delete_all_temp_dbs() {
foreach(DB::getConn()->allDatabaseNames() as $dbName) {
if(preg_match('/^tmpdb[0-9]+$/', $dbName)) {
DB::getConn()->dropDatabaseByName($dbName);
echo "<li>Dropped databse \"$dbName\"\n";
flush();
}
}
}
/**
* Reset the testing database's schema.
* @param $includeExtraDataObjects If true, the extraDataObjects tables will also be included
*/
function resetDBSchema($includeExtraDataObjects = false) {
if(self::using_temp_db()) {
// clear singletons, they're caching old extension info which is used in DatabaseAdmin->doBuild()
global $_SINGLETONS;
$_SINGLETONS = array();
$dataClasses = ClassInfo::subclassesFor('DataObject');
array_shift($dataClasses);
$conn = DB::getConn();
$conn->beginSchemaUpdate();
DB::quiet();
foreach($dataClasses as $dataClass) {
// Check if class exists before trying to instantiate - this sidesteps any manifest weirdness
if(class_exists($dataClass)) {
$SNG = singleton($dataClass);
if(!($SNG instanceof TestOnly)) $SNG->requireTable();
}
}
// If we have additional dataobjects which need schema, do so here:
if($includeExtraDataObjects && $this->extraDataObjects) {
foreach($this->extraDataObjects as $dataClass) {
$SNG = singleton($dataClass);
if(singleton($dataClass) instanceof DataObject) $SNG->requireTable();
}
}
$conn->endSchemaUpdate();
ClassInfo::reset_db_cache();
singleton('DataObject')->flushCache();
}
}
/**
* Create a member and group with the given permission code, and log in with it.
* Returns the member ID.
*/
function logInWithPermssion($permCode = "ADMIN") {
if(!isset($this->cache_generatedMembers[$permCode])) {
$group = new Group();
$group->Title = "$permCode group";
$group->write();
$permission = new Permission();
$permission->Code = $permCode;
$permission->write();
$group->Permissions()->add($permission);
$member = new Member();
$member->FirstName = $permCode;
$member->Surname = "User";
$member->Email = "$permCode@example.org";
$member->write();
$group->Members()->add($member);
$this->cache_generatedMembers[$permCode] = $member;
}
$this->cache_generatedMembers[$permCode]->logIn();
}
/**
* Cache for logInWithPermission()
*/
protected $cache_generatedMembers = array();
}
?>