silverstripe-framework/tests/php/i18n/i18nTestManifest.php

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<?php
namespace SilverStripe\i18n\Tests;
use SilverStripe\Control\Director;
use SilverStripe\Core\Injector\Injector;
use SilverStripe\Core\Manifest\ClassManifest;
use SilverStripe\Core\Manifest\ClassLoader;
use SilverStripe\Core\Manifest\ModuleLoader;
use SilverStripe\Core\Manifest\ModuleManifest;
use SilverStripe\i18n\i18n;
use SilverStripe\i18n\Messages\MessageProvider;
use SilverStripe\i18n\Messages\Symfony\ModuleYamlLoader;
use SilverStripe\i18n\Messages\Symfony\SymfonyMessageProvider;
use SilverStripe\i18n\Messages\YamlReader;
use SilverStripe\i18n\Tests\i18nTest\MyObject;
use SilverStripe\i18n\Tests\i18nTest\MySubObject;
use SilverStripe\i18n\Tests\i18nTest\TestDataObject;
use SilverStripe\View\SSViewer;
use SilverStripe\View\SSViewer_DataPresenter;
use SilverStripe\View\ThemeResourceLoader;
use SilverStripe\View\ThemeManifest;
use SilverStripe\View\ViewableData;
use Symfony\Component\Translation\Loader\ArrayLoader;
use Symfony\Component\Translation\Translator;
/**
* Helper trait for bootstrapping test manifest for i18n tests
*/
trait i18nTestManifest
{
/**
* Fake webroot with a single module /i18ntestmodule which contains some files with _t() calls.
*
* @var string
*/
protected $alternateBasePath;
/**
* Number of test manifests
*
* @var int
*/
protected $manifests = 0;
/**
* Number of module manifests
*
* @var int
*/
protected $moduleManifests = 0;
protected static function getExtraDataObjects()
{
return [
TestDataObject::class,
MyObject::class,
MySubObject::class,
];
}
/**
* @var ThemeResourceLoader
*/
protected $oldThemeResourceLoader = null;
/**
* @var string
*/
protected $originalLocale = null;
public function setupManifest()
{
// force SSViewer_DataPresenter to cache global template vars before we switch to the
// test-project class manifest (since it will lose visibility of core classes)
$presenter = new SSViewer_DataPresenter(new ViewableData());
unset($presenter);
// Switch to test manifest
$s = DIRECTORY_SEPARATOR;
$this->alternateBasePath = __DIR__ . $s . 'i18nTest' . $s . "_fakewebroot";
Director::config()->update('alternate_base_folder', $this->alternateBasePath);
// New module manifest
$moduleManifest = new ModuleManifest($this->alternateBasePath, false);
$this->pushModuleManifest($moduleManifest);
// Replace old template loader with new one with alternate base path
$this->oldThemeResourceLoader = ThemeResourceLoader::instance();
ThemeResourceLoader::set_instance($loader = new ThemeResourceLoader($this->alternateBasePath));
$loader->addSet(
'$default',
new ThemeManifest($this->alternateBasePath, project(), false)
);
SSViewer::set_themes([
'testtheme1',
'$default',
]);
$this->originalLocale = i18n::get_locale();
i18n::set_locale('en_US');
// Set new manifest against the root
$classManifest = new ClassManifest($this->alternateBasePath, true);
$this->pushManifest($classManifest);
// Setup uncached translator
// This should pull the module list from the above manifest
$translator = new Translator('en');
$translator->setFallbackLocales(['en']);
$loader = new ModuleYamlLoader();
$loader->setReader(new YamlReader());
$translator->addLoader('ss', $loader); // Standard ss module loader
$translator->addLoader('array', new ArrayLoader()); // Note: array loader isn't added by default
$provider = new SymfonyMessageProvider();
$provider->setTranslator($translator);
Injector::inst()->registerService($provider, MessageProvider::class);
}
public function tearDownManifest()
{
ThemeResourceLoader::set_instance($this->oldThemeResourceLoader);
i18n::set_locale($this->originalLocale);
// Reset any manifests pushed during this test
$this->popManifests();
}
/**
* Safely push a new class manifest.
* These will be cleaned up on tearDown()
*
* @param ClassManifest $manifest
*/
protected function pushManifest(ClassManifest $manifest)
{
$this->manifests++;
ClassLoader::instance()->pushManifest($manifest);
}
protected function pushModuleManifest(ModuleManifest $manifest)
{
$this->moduleManifests++;
ModuleLoader::instance()->pushManifest($manifest);
}
/**
* Pop off all extra manifests
*/
protected function popManifests()
{
// Reset any manifests pushed during this test
while ($this->manifests > 0) {
ClassLoader::instance()->popManifest();
$this->manifests--;
}
while ($this->moduleManifests > 0) {
ModuleLoader::instance()->popManifest();
$this->moduleManifests--;
}
}
}