Test, that compiled catalogue file defines expected variables

tests/KdybyTests/Translation/CatalogueCompiler.phpt

@@ -39,9 +39,48 @@ class CatalogueCompilerTest extends TestCase
 
         $translator->setFallbackLocales(array('en_US', 'en'));
         Assert::same("Hello world", $translator->translate('homepage.hello', NULL, array(), 'front', 'fr'));
-
     }
 
+
+
+	public function testLocaleEscaping()
+	{
+		$container = $this->createContainer();
+
+		/** @var Kdyby\Translation\Translator $translator */
+		$translator = $container->getByType('Nette\Localization\ITranslator');
+		$translator->setFallbackLocales(array('fr_FR', 'fr.UTF8', 'cs_CZ', 'cs'));
+
+		/** @var \Kdyby\Translation\CatalogueCompiler $compiler */
+		$compiler = $container->getByType('Kdyby\Translation\CatalogueCompiler');
+
+		$catalogues = [];
+		$compiler->compile($translator, $catalogues, 'fr-FR.UTF8');
+
+		$tempFiles = array_filter(get_included_files(), function ($path) {
+			return stripos(realpath($path), realpath(TEMP_DIR)) !== FALSE && stripos($path, 'fr-FR.UTF8');
+		});
+
+		Assert::count(1, $tempFiles);
+
+		$compiledCatalogue = call_user_func(function ($__file) use (&$__definedVariables) {
+			$__definedVariables = get_defined_vars() + array('__compiled' => NULL);
+			$__compiled = include $__file;
+			$__definedVariables = array_diff_key(get_defined_vars(), $__definedVariables);
+
+			return $__compiled;
+		}, reset($tempFiles));
+
+		Assert::type('Symfony\Component\Translation\MessageCatalogue', $compiledCatalogue);
+		Assert::same(array(
+			'catalogue',
+			'catalogueFr_FR',
+			'catalogueFr_UTF8',
+			'catalogueCs_CZ',
+			'catalogueCs'
+		), array_keys($__definedVariables));
+	}
+
 }
 
 \run(new CatalogueCompilerTest());