added some unit tests for the locale (refs #384)

tests/Silex/Tests/LocaleTest.php

+<?php
+
+/*
+ * This file is part of the Silex framework.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Silex\Tests;
+
+use Silex\Application;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+
+/**
+ * Locale test cases.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class LocaleTest extends \PHPUnit_Framework_TestCase
+{
+    public function testLocale()
+    {
+        $app = new Application();
+        $app->get('/', function (Request $request) { return $request->getLocale(); });
+        $response = $app->handle(Request::create('/'));
+        $this->assertEquals('en', $response->getContent());
+
+        $app = new Application();
+        $app['locale'] = 'fr';
+        $app->get('/', function (Request $request) { return $request->getLocale(); });
+        $response = $app->handle(Request::create('/'));
+        $this->assertEquals('fr', $response->getContent());
+
+        $app = new Application();
+        $app->get('/{_locale}', function (Request $request) { return $request->getLocale(); });
+        $response = $app->handle(Request::create('/es'));
+        $this->assertEquals('es', $response->getContent());
+    }
+
+    public function testLocaleInSubRequests()
+    {
+        $app = new Application();
+        $app->get('/embed/{_locale}', function (Request $request) { return $request->getLocale(); });
+        $app->get('/{_locale}', function (Request $request) use ($app) {
+            return $request->getLocale().$app->handle(Request::create('/embed/es'), HttpKernelInterface::SUB_REQUEST)->getContent().$request->getLocale();
+        });
+        $response = $app->handle(Request::create('/fr'));
+        $this->assertEquals('fresfr', $response->getContent());
+
+        $app = new Application();
+        $app->get('/embed', function (Request $request) { return $request->getLocale(); });
+        $app->get('/{_locale}', function (Request $request) use ($app) {
+            return $request->getLocale().$app->handle(Request::create('/embed'), HttpKernelInterface::SUB_REQUEST)->getContent().$request->getLocale();
+        });
+        $response = $app->handle(Request::create('/fr'));
+        // locale in sub-request must be "en" as this is the value if the sub-request is converted to an ESI
+        $this->assertEquals('frenfr', $response->getContent());
+    }
+
+    public function testLocaleWithBefore()
+    {
+        $app = new Application();
+        $app->before(function (Request $request) use ($app) { $request->setLocale('fr'); });
+        $app->get('/embed', function (Request $request) { return $request->getLocale(); });
+        $app->get('/', function (Request $request) use ($app) {
+            return $request->getLocale().$app->handle(Request::create('/embed'), HttpKernelInterface::SUB_REQUEST)->getContent().$request->getLocale();
+        });
+        $response = $app->handle(Request::create('/'));
+        // locale in sub-request is "en" as the before filter is only executed for the main request
+        $this->assertEquals('frenfr', $response->getContent());
+    }
+}