refs #1694 - add unit tests for missing and obsolete search engine icons;...

refs #1694 - add unit tests for missing and obsolete search engine icons; adapted from halfdan's ProcessFavIcons.php in #1350

git-svn-id: http://dev.piwik.org/svn/trunk@3142 59fd770c-687e-43c8-a1e3-f5a4ff64c105

plugins/Referers/tests/Referers.test.php

+<?php
+if(!defined("PIWIK_PATH_TEST_TO_ROOT")) {
+	define('PIWIK_PATH_TEST_TO_ROOT', getcwd().'/../../..');
+}
+if(!defined('PIWIK_CONFIG_TEST_INCLUDED'))
+{
+	require_once PIWIK_PATH_TEST_TO_ROOT . "/tests/config_test.php";
+}
+
+// require_once 'Referers/API.php';
+
+class Test_Referers extends UnitTestCase
+{
+	function __construct( $title = '')
+	{
+		parent::__construct( $title );
+	}
+
+	// search engine is defined in DataFiles/SearchEngines.php but there's no favicon
+	function test_missingSearchEngineIcons()
+	{
+		require_once PIWIK_PATH_TEST_TO_ROOT . '/core/DataFiles/SearchEngines.php';
+
+		// Get list of existing favicons
+		$favicons = scandir(PIWIK_PATH_TEST_TO_ROOT . '/plugins/Referers/images/searchEngines/');
+
+		// Get list of search engines and first appearing URL
+		$searchEngines = array();
+		foreach($GLOBALS['Piwik_SearchEngines'] as $url => $searchEngine)
+		{
+			$name = parse_url('http://'.$url);
+			if(!array_key_exists($searchEngine[0], $searchEngines))
+			{
+				$searchEngines[$searchEngine[0]] = $url;
+
+				$this->assertTrue(in_array($name['host'] . '.png', $favicons), $name['host']);
+			}
+		}
+	}
+
+	// favicon exists but there's no corresponding search engine defined in DataFiles/SearchEngines.php
+	function test_obsoleteSearchEngineIcons()
+	{
+		require_once PIWIK_PATH_TEST_TO_ROOT . '/core/DataFiles/SearchEngines.php';
+
+		// Get list of search engines and first appearing URL
+		$searchEngines = array();
+		foreach($GLOBALS['Piwik_SearchEngines'] as $url => $searchEngine)
+		{
+			$name = parse_url('http://'.$url);
+			if(!array_key_exists($name['host'], $searchEngines))
+			{
+				$searchEngines[$name['host']] = true;
+			}
+		}
+
+		// Get list of existing favicons
+		$favicons = scandir(PIWIK_PATH_TEST_TO_ROOT . '/plugins/Referers/images/searchEngines/');
+		foreach($favicons as $name)
+		{
+			if($name[0] == '.' || strpos($name, 'xx.') === 0)
+			{
+				continue;
+			}
+
+			$host = substr($name, 0, -4);
+			$this->assertTrue(array_key_exists($host, $searchEngines), $host);
+		}
+	}
+}