unit tests for the wallabag plugin

+ removed exit error if the config is not found
+ coding style

tests/plugins/PluginWallabagTest.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * PluginWallabagTest.php.php
+ */
+
+require_once 'plugins/wallabag/wallabag.php';
+
+/**
+ * Class PluginWallabagTest
+ * Unit test for the Wallabag plugin
+ */
+class PluginWallabagTest extends PHPUnit_Framework_TestCase
+{
+    /**
+     * Reset plugin path
+     */
+    function setUp()
+    {
+        PluginManager::$PLUGINS_PATH = 'plugins';
+    }
+
+    /**
+     * Test render_linklist hook.
+     */
+    function testWallabagLinklist()
+    {
+        $GLOBALS['plugins']['WALLABAG_URL'] = 'value';
+        $str = 'http://randomstr.com/test';
+        $data = array(
+            'title' => $str,
+            'links' => array(
+                array(
+                    'url' => $str,
+                )
+            )
+        );
+
+        $data = hook_wallabag_render_linklist($data);
+        $link = $data['links'][0];
+        // data shouldn't be altered
+        $this->assertEquals($str, $data['title']);
+        $this->assertEquals($str, $link['url']);
+
+        // plugin data
+        $this->assertEquals(1, count($link['link_plugin']));
+        $this->assertNotFalse(strpos($link['link_plugin'][0], $str));
+    }
+}