Ajout tests pour meilleure couverture.

tests/UnicaenAuthTest/Authentication/Adapter/LdapTest.php

@@ -84,6 +84,14 @@ class LdapTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(array_combine($connectionNames, $connectionParams), $adapter->getOptions());
     }
     
+    public function testAuthenticatingReturnsNullIfAlreadyStatisfied()
+    {
+        $event = new AdapterChainEvent();
+        $this->adapter->setSatisfied();
+        $this->assertNull($this->adapter->authenticate($event));
+        $this->assertEquals($event->getCode(), Result::SUCCESS);
+    }
+    
     public function testUsurpationWithAllowedUsernameAndSuccessfulAuthentication()
     {
         $this->authModuleOptions->setUsurpationAllowedUsernames(array('usurpateur'));