Set up unit tests.

build.xml

@@ -4,11 +4,17 @@
 	<property name="source" value="." />
 
 	<target name="clean" description="Clean up and create artifact directories">
+		<delete dir="${basedir}/build/coverage" />
 		<delete dir="${basedir}/build/logs" />
 
+		<mkdir dir="${basedir}/build/coverage" />
 		<mkdir dir="${basedir}/build/logs" />
 	</target>
 
+	<target name="phpunit" description="Run unit tests using PHPUnit and generates junit.xml and clover.xml">
+		<exec executable="phpunit" />
+	</target>
+
 	<target name="phpcs" description="Generate checkstyle.xml using PHP_CodeSniffer">
 		<exec executable="phpcs">
 			<arg value="--report=checkstyle" />
@@ -18,6 +24,6 @@
 			<arg path="${source}" />
 		</exec>
 	</target>
-	
-	<target name="build" depends="clean,phpcs" />
+
+	<target name="build" depends="clean,phpunit,phpcs" />
 </project>

phpunit.xml.dist

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit bootstrap="tests/unit/bootstrap.php" colors="false">
+	<testsuites>
+		<testsuite name="libraries">
+			<directory>tests/unit/suites/libraries</directory>
+		</testsuite>
+	</testsuites>
+
+	<logging>
+		<log type="coverage-html" target="build/coverage" title="Joomla-CMS" charset="UTF-8" yui="true" highlight="true"
+			lowUpperBound="35" highLowerBound="70" />
+		<log type="coverage-clover" target="build/logs/clover.xml" />
+		<log type="junit" target="build/logs/junit.xml" logIncompleteSkipped="false" />
+	</logging>
+	<filter>
+		<whitelist addUncoveredFilesFromWhitelist="true">
+			<directory suffix=".php">libraries/cms</directory>
+		</whitelist>
+	</filter>
+</phpunit>

tests/unit/bootstrap.php

@@ -0,0 +1,93 @@
+<?php
+/**
+ * Prepares a minimalist framework for unit testing.
+ *
+ * Joomla is assumed to include the /unittest/ directory.
+ * eg, /path/to/joomla/unittest/
+ *
+ * @package     Joomla.UnitTest
+ *
+ * @copyright   Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE
+ * @link        http://www.phpunit.de/manual/current/en/installation.html
+ */
+
+define('_JEXEC', 1);
+
+// Fix magic quotes.
+ini_set('magic_quotes_runtime', 0);
+
+// Maximise error reporting.
+ini_set('zend.ze1_compatibility_mode', '0');
+error_reporting(E_ALL & ~E_STRICT);
+ini_set('display_errors', 1);
+
+/*
+ * Ensure that required path constants are defined.  These can be overridden within the phpunit.xml file
+ * if you chose to create a custom version of that file.
+ */
+if (!defined('JPATH_TESTS'))
+{
+	define('JPATH_TESTS', realpath(__DIR__));
+}
+if (!defined('JPATH_PLATFORM'))
+{
+	define('JPATH_PLATFORM', realpath(dirname(dirname(__DIR__)) . '/libraries'));
+}
+if (!defined('JPATH_LIBRARIES'))
+{
+	define('JPATH_LIBRARIES', realpath(dirname(dirname(__DIR__)) . '/libraries'));
+}
+if (!defined('JPATH_BASE'))
+{
+	define('JPATH_BASE', realpath(dirname(dirname(__DIR__))));
+}
+if (!defined('JPATH_ROOT'))
+{
+	define('JPATH_ROOT', realpath(JPATH_BASE));
+}
+if (!defined('JPATH_CACHE'))
+{
+	define('JPATH_CACHE', JPATH_BASE . '/cache');
+}
+if (!defined('JPATH_CONFIGURATION'))
+{
+	define('JPATH_CONFIGURATION', JPATH_BASE);
+}
+if (!defined('JPATH_SITE'))
+{
+	define('JPATH_SITE', JPATH_ROOT);
+}
+if (!defined('JPATH_ADMINISTRATOR'))
+{
+	define('JPATH_ADMINISTRATOR', JPATH_ROOT . '/administrator');
+}
+if (!defined('JPATH_INSTALLATION'))
+{
+	define('JPATH_INSTALLATION', JPATH_ROOT . '/installation');
+}
+if (!defined('JPATH_MANIFESTS'))
+{
+	define('JPATH_MANIFESTS', JPATH_ADMINISTRATOR . '/manifests');
+}
+if (!defined('JPATH_PLUGINS'))
+{
+	define('JPATH_PLUGINS', JPATH_BASE . '/plugins');
+}
+if (!defined('JPATH_THEMES'))
+{
+	define('JPATH_THEMES', JPATH_BASE . '/templates');
+}
+
+// Import the platform in legacy mode.
+require_once JPATH_PLATFORM . '/import.legacy.php';
+
+// Force library to be in JError legacy mode
+JError::setErrorHandling(E_NOTICE, 'message');
+JError::setErrorHandling(E_WARNING, 'message');
+
+// Bootstrap the CMS libraries.
+require_once JPATH_LIBRARIES . '/cms.php';
+
+// Register the core Joomla test classes.
+JLoader::registerPrefix('Test', __DIR__ . '/core');