Add some tests for SimpleSAML\Module.

tests/lib/SimpleSAML/ModuleTest.php

+<?php
+namespace SimpleSAML\Test;
+
+use SimpleSAML\Module;
+
+class ModuleTest extends \PHPUnit_Framework_TestCase
+{
+
+
+    /**
+     * Test for SimpleSAML\Module::isModuleEnabled().
+     */
+    public function testIsModuleEnabled()
+    {
+        // test for the most basic functionality
+        $this->assertTrue(Module::isModuleEnabled('core'));
+    }
+
+
+    /**
+     * Test for SimpleSAML\Module::getModuleDir().
+     */
+    public function testGetModuleDir()
+    {
+        // test for the most basic functionality
+        $this->assertEquals(
+            dirname(dirname(dirname(dirname(__FILE__)))).'/modules/module',
+            Module::getModuleDir('module')
+        );
+    }
+
+
+    /**
+     * Test for SimpleSAML\Module::getModuleURL().
+     */
+    public function testGetModuleURL()
+    {
+        \SimpleSAML_Configuration::loadFromArray(array(
+            'baseurlpath' => 'https://example.com/simplesaml/'
+        ), '', 'simplesaml');
+        $this->assertEquals(
+            'https://example.com/simplesaml/module.php/module/script.php',
+            Module::getModuleURL('module/script.php')
+        );
+        $this->assertEquals(
+            'https://example.com/simplesaml/module.php/module/script.php?param1=value1&param2=value2',
+            Module::getModuleURL('module/script.php', array(
+                'param1' => 'value1',
+                'param2' => 'value2',
+            ))
+        );
+    }
+
+
+    /**
+     * Test for SimpleSAML\Module::getModules().
+     */
+    public function testGetModules()
+    {
+        $this->assertGreaterThan(0, count(Module::getModules()));
+    }
+
+
+    /**
+     * Test for SimpleSAML\Module::resolveClass(). It will make sure that an exception is thrown if we are not asking
+     * for a class inside a module (that is, there is no colon separating the name of the module and the name of the
+     * class).
+     *
+     * @expectedException \Exception
+     */
+    public function testResolveClassNoModule()
+    {
+        Module::resolveClass('nomodule', '');
+    }
+
+
+    /**
+     * Test for SimpleSAML\Module::resolveClass(). It will make sure that an exception is thrown if the class we are
+     * asking for cannot be found.
+     *
+     * @expectedException \Exception
+     */
+    public function testResolveClassNotFound()
+    {
+        Module::resolveClass('core:Missing', '');
+    }
+
+
+    /**
+     * Test for SimpleSAML\Module::resolveClass(). It will make sure that an exception is thrown if the class we are
+     * asking for can be resolved, but does not extend a given class.
+     *
+     * @expectedException \Exception
+     */
+    public function testResolveClassNotSubclass()
+    {
+        Module::resolveClass('core:PHP', 'Auth_Process', '\Exception');
+    }
+
+
+    /**
+     * Test for SimpleSAML\Module::resolveClass(). It covers all the valid use cases.
+     */
+    public function tesstResolveClass()
+    {
+        // most basic test
+        $this->assertEquals('sspmod_core_ACL', Module::resolveClass('core:ACL', ''));
+
+        // test for the $type parameter correctly translated into a path
+        $this->assertEquals('sspmod_core_Auth_Process_PHP', Module::resolveClass('core:PHP', 'Auth_Process'));
+
+        // test for valid subclasses
+        $this->assertEquals('sspmod_core_Auth_Process_PHP', Module::resolveClass(
+            'core:PHP',
+            'Auth_Process',
+            'SimpleSAML_Auth_ProcessingFilter'
+        ));
+    }
+}