Revamp Configuration classes, breaking backwards configuration compatibility (not that there was much to broken to begin with). Fix bug involving PHP 4 object typecasting.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@203 48356398-32a2-884e-a903-53898d9a118a

tests/HTMLPurifier/ConfigDefTest.php

@@ -0,0 +1,63 @@
+<?php
+
+require_once 'HTMLPurifier/ConfigDef.php';
+
+class HTMLPurifier_ConfigDefTest extends UnitTestCase
+{
+    
+    var $old_copy;
+    var $our_copy;
+    
+    function setUp() {
+        // yes, I know this is slightly convoluted, but that's the price
+        // you pay for using Singletons. Good thing we can overload it.
+        
+        // first, let's get a clean copy to do tests
+        $our_copy = new HTMLPurifier_ConfigDef();
+        // get the old copy
+        $this->old_copy = HTMLPurifier_ConfigDef::instance();
+        // put in our copy, and reassign to the REAL reference
+        $this->our_copy =& HTMLPurifier_ConfigDef::instance($our_copy);
+    }
+    
+    function tearDown() {
+        // testing is done, restore the old copy
+        HTMLPurifier_ConfigDef::instance($this->old_copy);
+    }
+    
+    function testNormal() {
+        
+        HTMLPurifier_ConfigDef::defineNamespace('Core', 'Configuration that '.
+            'is always available.');
+        $this->assertIdentical( array(
+                'Core' => array()
+            ), $this->our_copy->info);
+        
+        // note that the description is silently dropped
+        HTMLPurifier_ConfigDef::define('Core', 'Name', 'default value',
+            'This is a description of the directive.');
+        $this->assertIdentical( array(
+                'Core' => array(
+                    'Name' => 'default value'
+                )
+            ), $this->our_copy->info);
+        
+        // test an invalid namespace
+        HTMLPurifier_ConfigDef::define('Extension', 'Name', false, 'This is '.
+            'for an extension, but we have not defined its namespace!');
+        $this->assertError('Cannot define directive for undefined namespace');
+        $this->assertNoErrors();
+        $this->swallowErrors();
+        
+        // test overloading already defined value
+        HTMLPurifier_ConfigDef::define('Core', 'Name', 89,
+            'What, you\'re not allowed to overload directives? Bummer!');
+        $this->assertError('Cannot redefine directive');
+        $this->assertNoErrors();
+        $this->swallowErrors();
+        
+    }
+    
+}
+
+?>