13 files changed, 635 insertions, 90 deletions

diff --git a/tests/HttpUtils/ServerUrlTest.php b/tests/HttpUtils/ServerUrlTest.php
index dac02b3e..324b827a 100644
--- a/tests/HttpUtils/ServerUrlTest.php
+++ b/tests/HttpUtils/ServerUrlTest.php
@@ -186,4 +186,36 @@ class ServerUrlTest extends PHPUnit_Framework_TestCase
             )
         );
     }
+
+    /**
+     * Misconfigured server (see #1022): Proxy HTTP but 443
+     */
+    public function testHttpWithPort433()
+    {
+        $this->assertEquals(
+            'https://host.tld',
+            server_url(
+                array(
+                    'HTTPS' => 'Off',
+                    'SERVER_NAME' => 'host.tld',
+                    'SERVER_PORT' => '80',
+                    'HTTP_X_FORWARDED_PROTO' => 'http',
+                    'HTTP_X_FORWARDED_PORT' => '443'
+                )
+            )
+        );
+
+        $this->assertEquals(
+            'https://host.tld',
+            server_url(
+                array(
+                    'HTTPS' => 'Off',
+                    'SERVER_NAME' => 'host.tld',
+                    'SERVER_PORT' => '80',
+                    'HTTP_X_FORWARDED_PROTO' => 'https, http',
+                    'HTTP_X_FORWARDED_PORT' => '443, 80'
+                )
+            )
+        );
+    }
 }
diff --git a/tests/LanguagesTest.php b/tests/LanguagesTest.php
index 79c136c8..864ce630 100644
--- a/tests/LanguagesTest.php
+++ b/tests/LanguagesTest.php
@@ -1,41 +1,203 @@
 <?php
 
-require_once 'application/Languages.php';
+namespace Shaarli;
+
+use Shaarli\Config\ConfigManager;
 
 /**
  * Class LanguagesTest.
  */
-class LanguagesTest extends PHPUnit_Framework_TestCase
+class LanguagesTest extends \PHPUnit_Framework_TestCase
 {
     /**
+     * @var string Config file path (without extension).
+     */
+    protected static $configFile = 'tests/utils/config/configJson';
+
+    /**
+     * @var ConfigManager
+     */
+    protected $conf;
+
+    /**
+     *
+     */
+    public function setUp()
+    {
+        $this->conf = new ConfigManager(self::$configFile);
+    }
+
+    /**
+     * Test t() with a simple non identified value.
+     */
+    public function testTranslateSingleNotIDGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        new Languages('en', $this->conf);
+        $text = 'abcdé 564 fgK';
+        $this->assertEquals($text, t($text));
+    }
+
+    /**
+     * Test t() with a simple identified value in gettext mode.
+     */
+    public function testTranslateSingleIDGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        new Languages('en', $this->conf);
+        $text = 'permalink';
+        $this->assertEquals($text, t($text));
+    }
+
+    /**
+     * Test t() with a non identified plural form in gettext mode.
+     */
+    public function testTranslatePluralNotIDGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        new Languages('en', $this->conf);
+        $text = 'sandwich';
+        $nText = 'sandwiches';
+        $this->assertEquals('sandwiches', t($text, $nText, 0));
+        $this->assertEquals('sandwich', t($text, $nText, 1));
+        $this->assertEquals('sandwiches', t($text, $nText, 2));
+    }
+
+    /**
+     * Test t() with an identified plural form in gettext mode.
+     */
+    public function testTranslatePluralIDGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        new Languages('en', $this->conf);
+        $text = 'shaare';
+        $nText = 'shaares';
+        // In english, zero is followed by plural form
+        $this->assertEquals('shaares', t($text, $nText, 0));
+        $this->assertEquals('shaare', t($text, $nText, 1));
+        $this->assertEquals('shaares', t($text, $nText, 2));
+    }
+
+    /**
      * Test t() with a simple non identified value.
      */
-    public function testTranslateSingleNotID()
+    public function testTranslateSingleNotIDPhp()
     {
+        $this->conf->set('translation.mode', 'php');
+        new Languages('en', $this->conf);
         $text = 'abcdé 564 fgK';
         $this->assertEquals($text, t($text));
     }
 
     /**
-     * Test t() with a non identified plural form.
+     * Test t() with a simple identified value in PHP mode.
      */
-    public function testTranslatePluralNotID()
+    public function testTranslateSingleIDPhp()
     {
-        $text = '%s sandwich';
-        $nText = '%s sandwiches';
-        $this->assertEquals('0 sandwich', t($text, $nText));
-        $this->assertEquals('1 sandwich', t($text, $nText, 1));
-        $this->assertEquals('2 sandwiches', t($text, $nText, 2));
+        $this->conf->set('translation.mode', 'php');
+        new Languages('en', $this->conf);
+        $text = 'permalink';
+        $this->assertEquals($text, t($text));
     }
 
     /**
-     * Test t() with a non identified invalid plural form.
+     * Test t() with a non identified plural form in PHP mode.
      */
-    public function testTranslatePluralNotIDInvalid()
+    public function testTranslatePluralNotIDPhp()
     {
+        $this->conf->set('translation.mode', 'php');
+        new Languages('en', $this->conf);
         $text = 'sandwich';
         $nText = 'sandwiches';
+        $this->assertEquals('sandwiches', t($text, $nText, 0));
         $this->assertEquals('sandwich', t($text, $nText, 1));
         $this->assertEquals('sandwiches', t($text, $nText, 2));
     }
+
+    /**
+     * Test t() with an identified plural form in PHP mode.
+     */
+    public function testTranslatePluralIDPhp()
+    {
+        $this->conf->set('translation.mode', 'php');
+        new Languages('en', $this->conf);
+        $text = 'shaare';
+        $nText = 'shaares';
+        // In english, zero is followed by plural form
+        $this->assertEquals('shaares', t($text, $nText, 0));
+        $this->assertEquals('shaare', t($text, $nText, 1));
+        $this->assertEquals('shaares', t($text, $nText, 2));
+    }
+
+    /**
+     * Test t() with an invalid language set in the configuration in gettext mode.
+     */
+    public function testTranslateWithInvalidConfLanguageGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        $this->conf->set('translation.language', 'nope');
+        new Languages('fr', $this->conf);
+        $text = 'grumble';
+        $this->assertEquals($text, t($text));
+    }
+
+    /**
+     * Test t() with an invalid language set in the configuration in PHP mode.
+     */
+    public function testTranslateWithInvalidConfLanguagePhp()
+    {
+        $this->conf->set('translation.mode', 'php');
+        $this->conf->set('translation.language', 'nope');
+        new Languages('fr', $this->conf);
+        $text = 'grumble';
+        $this->assertEquals($text, t($text));
+    }
+
+    /**
+     * Test t() with an invalid language set with auto language in gettext mode.
+     */
+    public function testTranslateWithInvalidAutoLanguageGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        new Languages('nope', $this->conf);
+        $text = 'grumble';
+        $this->assertEquals($text, t($text));
+    }
+
+    /**
+     * Test t() with an invalid language set with auto language in PHP mode.
+     */
+    public function testTranslateWithInvalidAutoLanguagePhp()
+    {
+        $this->conf->set('translation.mode', 'php');
+        new Languages('nope', $this->conf);
+        $text = 'grumble';
+        $this->assertEquals($text, t($text));
+    }
+
+    /**
+     * Test t() with an extension language file in gettext mode
+     */
+    public function testTranslationExtensionGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        $this->conf->set('translation.extensions.test', 'tests/utils/languages/');
+        new Languages('en', $this->conf);
+        $txt = 'car'; // ignore me poedit
+        $this->assertEquals('car', t($txt, $txt, 1, 'test'));
+        $this->assertEquals('Search', t('Search', 'Search', 1, 'test'));
+    }
+
+    /**
+     * Test t() with an extension language file in PHP mode
+     */
+    public function testTranslationExtensionPhp()
+    {
+        $this->conf->set('translation.mode', 'php');
+        $this->conf->set('translation.extensions.test', 'tests/utils/languages/');
+        new Languages('en', $this->conf);
+        $txt = 'car'; // ignore me poedit
+        $this->assertEquals('car', t($txt, $txt, 1, 'test'));
+        $this->assertEquals('Search', t('Search', 'Search', 1, 'test'));
+    }
 }
diff --git a/tests/LinkFilterTest.php b/tests/LinkFilterTest.php
index d796d3a3..9cd6dbd4 100644
--- a/tests/LinkFilterTest.php
+++ b/tests/LinkFilterTest.php
@@ -8,6 +8,10 @@ require_once 'application/LinkFilter.php';
 class LinkFilterTest extends PHPUnit_Framework_TestCase
 {
     /**
+     * @var string Test datastore path.
+     */
+    protected static $testDatastore = 'sandbox/datastore.php';
+    /**
      * @var LinkFilter instance.
      */
     protected static $linkFilter;
@@ -18,12 +22,19 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
     protected static $refDB;
 
     /**
+     * @var LinkDB instance
+     */
+    protected static $linkDB;
+
+    /**
      * Instanciate linkFilter with ReferenceLinkDB data.
      */
     public static function setUpBeforeClass()
     {
         self::$refDB = new ReferenceLinkDB();
-        self::$linkFilter = new LinkFilter(self::$refDB->getLinks());
+        self::$refDB->write(self::$testDatastore);
+        self::$linkDB = new LinkDB(self::$testDatastore, true, false);
+        self::$linkFilter = new LinkFilter(self::$linkDB);
     }
 
     /**
diff --git a/tests/LinkUtilsTest.php b/tests/LinkUtilsTest.php
index c77922ec..99679320 100644
--- a/tests/LinkUtilsTest.php
+++ b/tests/LinkUtilsTest.php
@@ -131,6 +131,21 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
     }
 
     /**
+     * Test text2clickable a redirector set and without URL encode.
+     */
+    public function testText2clickableWithRedirectorDontEncode()
+    {
+        $text = 'stuff http://hello.there/?is=someone&or=something#here otherstuff';
+        $redirector = 'http://redirector.to';
+        $expectedText = 'stuff <a href="'.
+            $redirector .
+            'http://hello.there/?is=someone&or=something#here' .
+            '">http://hello.there/?is=someone&or=something#here</a> otherstuff';
+        $processedText = text2clickable($text, $redirector, false);
+        $this->assertEquals($expectedText, $processedText);
+    }
+
+    /**
      * Test testSpace2nbsp.
      */
     public function testSpace2nbsp()
diff --git a/tests/SessionManagerTest.php b/tests/SessionManagerTest.php
new file mode 100644
index 00000000..aa75962a
--- /dev/null
+++ b/tests/SessionManagerTest.php
@@ -0,0 +1,149 @@
+<?php
+require_once 'tests/utils/FakeConfigManager.php';
+
+// Initialize reference data _before_ PHPUnit starts a session
+require_once 'tests/utils/ReferenceSessionIdHashes.php';
+ReferenceSessionIdHashes::genAllHashes();
+
+use \Shaarli\SessionManager;
+use \PHPUnit\Framework\TestCase;
+
+
+/**
+ * Test coverage for SessionManager
+ */
+class SessionManagerTest extends TestCase
+{
+    // Session ID hashes
+    protected static $sidHashes = null;
+
+    // Fake ConfigManager
+    protected static $conf = null;
+
+    /**
+     * Assign reference data
+     */
+    public static function setUpBeforeClass()
+    {
+        self::$sidHashes = ReferenceSessionIdHashes::getHashes();
+        self::$conf = new FakeConfigManager();
+    }
+
+    /**
+     * Generate a session token
+     */
+    public function testGenerateToken()
+    {
+        $session = [];
+        $sessionManager = new SessionManager($session, self::$conf);
+
+        $token = $sessionManager->generateToken();
+
+        $this->assertEquals(1, $session['tokens'][$token]);
+        $this->assertEquals(40, strlen($token));
+    }
+
+    /**
+     * Check a session token
+     */
+    public function testCheckToken()
+    {
+        $token = '4dccc3a45ad9d03e5542b90c37d8db6d10f2b38b';
+        $session = [
+            'tokens' => [
+                $token => 1,
+            ],
+        ];
+        $sessionManager = new SessionManager($session, self::$conf);
+
+        // check and destroy the token
+        $this->assertTrue($sessionManager->checkToken($token));
+        $this->assertFalse(isset($session['tokens'][$token]));
+
+        // ensure the token has been destroyed
+        $this->assertFalse($sessionManager->checkToken($token));
+    }
+
+    /**
+     * Generate and check a session token
+     */
+    public function testGenerateAndCheckToken()
+    {
+        $session = [];
+        $sessionManager = new SessionManager($session, self::$conf);
+
+        $token = $sessionManager->generateToken();
+
+        // ensure a token has been generated
+        $this->assertEquals(1, $session['tokens'][$token]);
+        $this->assertEquals(40, strlen($token));
+
+        // check and destroy the token
+        $this->assertTrue($sessionManager->checkToken($token));
+        $this->assertFalse(isset($session['tokens'][$token]));
+
+        // ensure the token has been destroyed
+        $this->assertFalse($sessionManager->checkToken($token));
+    }
+
+    /**
+     * Check an invalid session token
+     */
+    public function testCheckInvalidToken()
+    {
+        $session = [];
+        $sessionManager = new SessionManager($session, self::$conf);
+
+        $this->assertFalse($sessionManager->checkToken('4dccc3a45ad9d03e5542b90c37d8db6d10f2b38b'));
+    }
+
+    /**
+     * Test SessionManager::checkId with a valid ID - TEST ALL THE HASHES!
+     *
+     * This tests extensively covers all hash algorithms / bit representations
+     */
+    public function testIsAnyHashSessionIdValid()
+    {
+        foreach (self::$sidHashes as $algo => $bpcs) {
+            foreach ($bpcs as $bpc => $hash) {
+                $this->assertTrue(SessionManager::checkId($hash));
+            }
+        }
+    }
+
+    /**
+     * Test checkId with a valid ID - SHA-1 hashes
+     */
+    public function testIsSha1SessionIdValid()
+    {
+        $this->assertTrue(SessionManager::checkId(sha1('shaarli')));
+    }
+
+    /**
+     * Test checkId with a valid ID - SHA-256 hashes
+     */
+    public function testIsSha256SessionIdValid()
+    {
+        $this->assertTrue(SessionManager::checkId(hash('sha256', 'shaarli')));
+    }
+
+    /**
+     * Test checkId with a valid ID - SHA-512 hashes
+     */
+    public function testIsSha512SessionIdValid()
+    {
+        $this->assertTrue(SessionManager::checkId(hash('sha512', 'shaarli')));
+    }
+
+    /**
+     * Test checkId with invalid IDs.
+     */
+    public function testIsSessionIdInvalid()
+    {
+        $this->assertFalse(SessionManager::checkId(''));
+        $this->assertFalse(SessionManager::checkId([]));
+        $this->assertFalse(
+            SessionManager::checkId('c0ZqcWF3VFE2NmJBdm1HMVQ0ZHJ3UmZPbTFsNGhkNHI=')
+        );
+    }
+}
diff --git a/tests/UtilsTest.php b/tests/UtilsTest.php
index 3d1aa653..6cd37a7a 100644
--- a/tests/UtilsTest.php
+++ b/tests/UtilsTest.php
@@ -5,10 +5,6 @@
 
 require_once 'application/Utils.php';
 require_once 'application/Languages.php';
-require_once 'tests/utils/ReferenceSessionIdHashes.php';
-
-// Initialize reference data before PHPUnit starts a session
-ReferenceSessionIdHashes::genAllHashes();
 
 
 /**
@@ -16,9 +12,6 @@ ReferenceSessionIdHashes::genAllHashes();
  */
 class UtilsTest extends PHPUnit_Framework_TestCase
 {
-    // Session ID hashes
-    protected static $sidHashes = null;
-
     // Log file
     protected static $testLogFile = 'tests.log';
 
@@ -30,13 +23,11 @@ class UtilsTest extends PHPUnit_Framework_TestCase
      */
     protected static $defaultTimeZone;
 
-
     /**
      * Assign reference data
      */
     public static function setUpBeforeClass()
     {
-        self::$sidHashes = ReferenceSessionIdHashes::getHashes();
         self::$defaultTimeZone = date_default_timezone_get();
         // Timezone without DST for test consistency
         date_default_timezone_set('Africa/Nairobi');
@@ -221,57 +212,8 @@ class UtilsTest extends PHPUnit_Framework_TestCase
         $this->assertEquals('?', generateLocation($ref, 'localhost'));
     }
 
-    /**
-     * Test is_session_id_valid with a valid ID - TEST ALL THE HASHES!
-     *
-     * This tests extensively covers all hash algorithms / bit representations
-     */
-    public function testIsAnyHashSessionIdValid()
-    {
-        foreach (self::$sidHashes as $algo => $bpcs) {
-            foreach ($bpcs as $bpc => $hash) {
-                $this->assertTrue(is_session_id_valid($hash));
-            }
-        }
-    }
 
     /**
-     * Test is_session_id_valid with a valid ID - SHA-1 hashes
-     */
-    public function testIsSha1SessionIdValid()
-    {
-        $this->assertTrue(is_session_id_valid(sha1('shaarli')));
-    }
-
-    /**
-     * Test is_session_id_valid with a valid ID - SHA-256 hashes
-     */
-    public function testIsSha256SessionIdValid()
-    {
-        $this->assertTrue(is_session_id_valid(hash('sha256', 'shaarli')));
-    }
-
-    /**
-     * Test is_session_id_valid with a valid ID - SHA-512 hashes
-     */
-    public function testIsSha512SessionIdValid()
-    {
-        $this->assertTrue(is_session_id_valid(hash('sha512', 'shaarli')));
-    }
-
-    /**
-     * Test is_session_id_valid with invalid IDs.
-     */
-    public function testIsSessionIdInvalid()
-    {
-        $this->assertFalse(is_session_id_valid(''));
-        $this->assertFalse(is_session_id_valid(array()));
-        $this->assertFalse(
-            is_session_id_valid('c0ZqcWF3VFE2NmJBdm1HMVQ0ZHJ3UmZPbTFsNGhkNHI=')
-        );
-    }
-    
-    /**
      * Test generateSecretApi.
      */
     public function testGenerateSecretApi()
@@ -384,18 +326,18 @@ class UtilsTest extends PHPUnit_Framework_TestCase
      */
     public function testHumanBytes()
     {
-        $this->assertEquals('2kiB', human_bytes(2 * 1024));
-        $this->assertEquals('2kiB', human_bytes(strval(2 * 1024)));
-        $this->assertEquals('2MiB', human_bytes(2 * (pow(1024, 2))));
-        $this->assertEquals('2MiB', human_bytes(strval(2 * (pow(1024, 2)))));
-        $this->assertEquals('2GiB', human_bytes(2 * (pow(1024, 3))));
-        $this->assertEquals('2GiB', human_bytes(strval(2 * (pow(1024, 3)))));
-        $this->assertEquals('374B', human_bytes(374));
-        $this->assertEquals('374B', human_bytes('374'));
-        $this->assertEquals('232kiB', human_bytes(237481));
-        $this->assertEquals('Unlimited', human_bytes('0'));
-        $this->assertEquals('Unlimited', human_bytes(0));
-        $this->assertEquals('Setting not set', human_bytes(''));
+        $this->assertEquals('2'. t('kiB'), human_bytes(2 * 1024));
+        $this->assertEquals('2'. t('kiB'), human_bytes(strval(2 * 1024)));
+        $this->assertEquals('2'. t('MiB'), human_bytes(2 * (pow(1024, 2))));
+        $this->assertEquals('2'. t('MiB'), human_bytes(strval(2 * (pow(1024, 2)))));
+        $this->assertEquals('2'. t('GiB'), human_bytes(2 * (pow(1024, 3))));
+        $this->assertEquals('2'. t('GiB'), human_bytes(strval(2 * (pow(1024, 3)))));
+        $this->assertEquals('374'. t('B'), human_bytes(374));
+        $this->assertEquals('374'. t('B'), human_bytes('374'));
+        $this->assertEquals('232'. t('kiB'), human_bytes(237481));
+        $this->assertEquals(t('Unlimited'), human_bytes('0'));
+        $this->assertEquals(t('Unlimited'), human_bytes(0));
+        $this->assertEquals(t('Setting not set'), human_bytes(''));
     }
 
     /**
@@ -403,9 +345,9 @@ class UtilsTest extends PHPUnit_Framework_TestCase
      */
     public function testGetMaxUploadSize()
     {
-        $this->assertEquals('1MiB', get_max_upload_size(2097152, '1024k'));
-        $this->assertEquals('1MiB', get_max_upload_size('1m', '2m'));
-        $this->assertEquals('100B', get_max_upload_size(100, 100));
+        $this->assertEquals('1'. t('MiB'), get_max_upload_size(2097152, '1024k'));
+        $this->assertEquals('1'. t('MiB'), get_max_upload_size('1m', '2m'));
+        $this->assertEquals('100'. t('B'), get_max_upload_size(100, 100));
     }
 
     /**
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 00000000..d36d73cd
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,6 @@
+<?php
+
+require_once 'vendor/autoload.php';
+
+$conf = new \Shaarli\Config\ConfigManager('tests/utils/config/configJson');
+new \Shaarli\Languages('en', $conf);
diff --git a/tests/languages/bootstrap.php b/tests/languages/bootstrap.php
index 95609210..da6ac2e4 100644
--- a/tests/languages/bootstrap.php
+++ b/tests/languages/bootstrap.php
@@ -1,7 +1,6 @@
 <?php
-if (! empty('UT_LOCALE')) {
+require_once 'tests/bootstrap.php';
+
+if (! empty(getenv('UT_LOCALE'))) {
     setlocale(LC_ALL, getenv('UT_LOCALE'));
 }
-
-require_once 'vendor/autoload.php';
-
diff --git a/tests/languages/fr/LanguagesFrTest.php b/tests/languages/fr/LanguagesFrTest.php
new file mode 100644
index 00000000..79d05172
--- /dev/null
+++ b/tests/languages/fr/LanguagesFrTest.php
@@ -0,0 +1,175 @@
+<?php
+
+
+namespace Shaarli;
+
+
+use Shaarli\Config\ConfigManager;
+
+/**
+ * Class LanguagesFrTest
+ *
+ * Test the translation system in PHP and gettext mode with French language.
+ *
+ * @package Shaarli
+ */
+class LanguagesFrTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var string Config file path (without extension).
+     */
+    protected static $configFile = 'tests/utils/config/configJson';
+
+    /**
+     * @var ConfigManager
+     */
+    protected $conf;
+
+    /**
+     * Init: force French
+     */
+    public function setUp()
+    {
+        $this->conf = new ConfigManager(self::$configFile);
+        $this->conf->set('translation.language', 'fr');
+    }
+
+    /**
+     * Reset the locale since gettext seems to mess with it, making it too long
+     */
+    public static function tearDownAfterClass()
+    {
+        if (! empty(getenv('UT_LOCALE'))) {
+            setlocale(LC_ALL, getenv('UT_LOCALE'));
+        }
+    }
+
+    /**
+     * Test t() with a simple non identified value.
+     */
+    public function testTranslateSingleNotIDGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        new Languages('en', $this->conf);
+        $text = 'abcdé 564 fgK';
+        $this->assertEquals($text, t($text));
+    }
+
+    /**
+     * Test t() with a simple identified value in gettext mode.
+     */
+    public function testTranslateSingleIDGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        new Languages('en', $this->conf);
+        $text = 'permalink';
+        $this->assertEquals('permalien', t($text));
+    }
+
+    /**
+     * Test t() with a non identified plural form in gettext mode.
+     */
+    public function testTranslatePluralNotIDGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        new Languages('en', $this->conf);
+        $text = 'sandwich';
+        $nText = 'sandwiches';
+        // Not ID, so English fallback, and in english, plural 0
+        $this->assertEquals('sandwiches', t($text, $nText, 0));
+        $this->assertEquals('sandwich', t($text, $nText, 1));
+        $this->assertEquals('sandwiches', t($text, $nText, 2));
+    }
+
+    /**
+     * Test t() with an identified plural form in gettext mode.
+     */
+    public function testTranslatePluralIDGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        new Languages('en', $this->conf);
+        $text = 'shaare';
+        $nText = 'shaares';
+        $this->assertEquals('shaare', t($text, $nText, 0));
+        $this->assertEquals('shaare', t($text, $nText, 1));
+        $this->assertEquals('shaares', t($text, $nText, 2));
+    }
+
+    /**
+     * Test t() with a simple non identified value.
+     */
+    public function testTranslateSingleNotIDPhp()
+    {
+        $this->conf->set('translation.mode', 'php');
+        new Languages('en', $this->conf);
+        $text = 'abcdé 564 fgK';
+        $this->assertEquals($text, t($text));
+    }
+
+    /**
+     * Test t() with a simple identified value in PHP mode.
+     */
+    public function testTranslateSingleIDPhp()
+    {
+        $this->conf->set('translation.mode', 'php');
+        new Languages('en', $this->conf);
+        $text = 'permalink';
+        $this->assertEquals('permalien', t($text));
+    }
+
+    /**
+     * Test t() with a non identified plural form in PHP mode.
+     */
+    public function testTranslatePluralNotIDPhp()
+    {
+        $this->conf->set('translation.mode', 'php');
+        new Languages('en', $this->conf);
+        $text = 'sandwich';
+        $nText = 'sandwiches';
+        // Not ID, so English fallback, and in english, plural 0
+        $this->assertEquals('sandwiches', t($text, $nText, 0));
+        $this->assertEquals('sandwich', t($text, $nText, 1));
+        $this->assertEquals('sandwiches', t($text, $nText, 2));
+    }
+
+    /**
+     * Test t() with an identified plural form in PHP mode.
+     */
+    public function testTranslatePluralIDPhp()
+    {
+        $this->conf->set('translation.mode', 'php');
+        new Languages('en', $this->conf);
+        $text = 'shaare';
+        $nText = 'shaares';
+        // In english, zero is followed by plural form
+        $this->assertEquals('shaare', t($text, $nText, 0));
+        $this->assertEquals('shaare', t($text, $nText, 1));
+        $this->assertEquals('shaares', t($text, $nText, 2));
+    }
+
+    /**
+     * Test t() with an extension language file in gettext mode
+     */
+    public function testTranslationExtensionGettext()
+    {
+        $this->conf->set('translation.mode', 'gettext');
+        $this->conf->set('translation.extensions.test', 'tests/utils/languages/');
+        new Languages('en', $this->conf);
+        $txt = 'car'; // ignore me poedit
+        $this->assertEquals('voiture', t($txt, $txt, 1, 'test'));
+        $this->assertEquals('Fouille', t('Search', 'Search', 1, 'test'));
+    }
+
+    /**
+     * Test t() with an extension language file in PHP mode
+     */
+    public function testTranslationExtensionPhp()
+    {
+        $this->conf->set('translation.mode', 'php');
+        $this->conf->set('translation.extensions.test', 'tests/utils/languages/');
+        new Languages('en', $this->conf);
+        $txt = 'car'; // ignore me poedit
+        $this->assertEquals('voiture', t($txt, $txt, 1, 'test'));
+        $this->assertEquals('Fouille', t('Search', 'Search', 1, 'test'));
+    }
+}
diff --git a/tests/utils/FakeConfigManager.php b/tests/utils/FakeConfigManager.php
new file mode 100644
index 00000000..f29760cb
--- /dev/null
+++ b/tests/utils/FakeConfigManager.php
@@ -0,0 +1,12 @@
+<?php
+
+/**
+ * Fake ConfigManager
+ */
+class FakeConfigManager
+{
+    public static function get($key)
+    {
+        return $key;
+    }
+}
diff --git a/tests/utils/ReferenceLinkDB.php b/tests/utils/ReferenceLinkDB.php
index f09eebc1..e887aa78 100644
--- a/tests/utils/ReferenceLinkDB.php
+++ b/tests/utils/ReferenceLinkDB.php
@@ -141,6 +141,7 @@ class ReferenceLinkDB
      */
     public function write($filename)
     {
+        $this->reorder();
         file_put_contents(
             $filename,
             '<?php /* '.base64_encode(gzdeflate(serialize($this->_links))).' */ ?>'
@@ -148,6 +149,27 @@ class ReferenceLinkDB
     }
 
     /**
+     * Reorder links by creation date (newest first).
+     *
+     * Also update the urls and ids mapping arrays.
+     *
+     * @param string $order ASC|DESC
+     */
+    public function reorder($order = 'DESC')
+    {
+        // backward compatibility: ignore reorder if the the `created` field doesn't exist
+        if (! isset(array_values($this->_links)[0]['created'])) {
+            return;
+        }
+
+        $order = $order === 'ASC' ? -1 : 1;
+        // Reorder array by dates.
+        usort($this->_links, function($a, $b) use ($order) {
+            return $a['created'] < $b['created'] ? 1 * $order : -1 * $order;
+        });
+    }
+
+    /**
      * Returns the number of links in the reference data
      */
     public function countLinks()
@@ -187,6 +209,7 @@ class ReferenceLinkDB
 
     public function getLinks()
     {
+        $this->reorder();
         return $this->_links;
     }
 
diff --git a/tests/utils/languages/fr/LC_MESSAGES/test.mo b/tests/utils/languages/fr/LC_MESSAGES/test.mo
new file mode 100644
index 00000000..416c7831
--- /dev/null
+++ b/tests/utils/languages/fr/LC_MESSAGES/test.mo
diff --git a/tests/utils/languages/fr/LC_MESSAGES/test.po b/tests/utils/languages/fr/LC_MESSAGES/test.po
new file mode 100644
index 00000000..89a4fd9b
--- /dev/null
+++ b/tests/utils/languages/fr/LC_MESSAGES/test.po
@@ -0,0 +1,19 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: Extension test\n"
+"POT-Creation-Date: 2017-05-20 13:54+0200\n"
+"PO-Revision-Date: 2017-05-20 14:16+0200\n"
+"Last-Translator: \n"
+"Language-Team: Shaarli\n"
+"Language: fr_FR\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"X-Generator: Poedit 2.0.1\n"
+
+msgid "car"
+msgstr "voiture"
+
+msgid "Search"
+msgstr "Fouille"