add PrepareClientTrait and add test in Export

- the trait `PrepareClientTrait` allow to prepare an authenticated client usable in tests
- a new test is added in `AbstractExportTest`, which check that the page '/fr/exports/' is
still successfull and contains the translated title of the export

Test/Export/AbstractExportTest.php

@@ -17,10 +17,12 @@
  */
 namespace Chill\MainBundle\Test\Export;
 
-use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 use Doctrine\ORM\QueryBuilder;
 use Doctrine\ORM\NativeQuery;
 use Symfony\Component\Security\Core\Role\Role;
+use Chill\MainBundle\Test\PrepareClientTrait;
+use Symfony\Component\HttpFoundation\Request;
 
 /**
  * This class provide a set of tests for exports.
@@ -30,8 +32,12 @@ use Symfony\Component\Security\Core\Role\Role;
  *
  * @author julien.fastre@champs-libres.coop
  */
-abstract class AbstractExportTest extends KernelTestCase
+abstract class AbstractExportTest extends WebTestCase
 {
+    
+    use PrepareClientTrait;
+
+            
     /**
      * Create an instance of the report to test
      * 
@@ -318,4 +324,35 @@ abstract class AbstractExportTest extends KernelTestCase
         } 
         
     }
+    
+
+    /**
+     * Test that the translated title of the export is present the list, 
+     * and that the list of exports (under `/fr/exports/`) is still successfull
+     */
+    public function testListExportPage()
+    {
+        /* @var $client \Symfony\Component\BrowserKit\Client */
+        $client = $this->getClient();
+        $export = $this->getExport();
+        $prophet= new \Prophecy\Prophet;
+        $container = static::$kernel->getContainer();
+        
+        // store the locale in a request
+        $request = new Request();
+        $request->setLocale('fr');
+        $container->get('request_stack')->push($request);
+        // translate the title
+        $title  = $container->get('translator')->trans($export->getTitle());
+        
+        // performs the request to /fr/exports
+        $crawler = $client->request('GET', '/fr/exports/');
+        
+        // and finally make tests
+        $this->assertTrue($client->getResponse()->isSuccessful(),
+            "test that the response of /fr/exports/ is successful");
+        $this->assertContains($title, $crawler->text(),
+            "test that the page /fr/exports/ contains the title of the "
+            . "exports ('$title')");
+    }
 }

Test/PrepareClientTrait.php

@@ -0,0 +1,50 @@
+<?php
+/*
+ * Copyright (C) 2017 Champs Libres Cooperative <info@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+namespace Chill\MainBundle\Test;
+
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+/**
+ * Prepare a client authenticated with a user 
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+trait PrepareClientTrait
+{
+    /**
+     * 
+     * @param string $username
+     * @param string $password
+     * @return \Symfony\Component\BrowserKit\Client
+     * @throws \LogicException
+     */
+    public function getClient(
+        $username = 'center a_social', 
+        $password = 'password'
+    ) {
+        if (!$this instanceof WebTestCase) {
+            throw new \LogicException(sprintf("The current class does not "
+                . "implements %s", WebTestCase::class));
+        }
+        
+        return static::createClient(array(), array(
+           'PHP_AUTH_USER' => $username,
+           'PHP_AUTH_PW'   => $password,
+        ));
+    }
+}