[3.1.0] Implement ConfigSchema interchange

- Implement exception hierarchy

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1582 48356398-32a2-884e-a903-53898d9a118a

tests/HTMLPurifier/ConfigSchema/InterchangeTest.php

@@ -0,0 +1,44 @@
+<?php
+
+class HTMLPurifier_ConfigSchema_InterchangeTest extends UnitTestCase
+{
+    
+    protected $interchange;
+    
+    public function setup() {
+        $this->interchange = new HTMLPurifier_ConfigSchema_Interchange();
+    }
+    
+    public function testAddNamespace() {
+        $this->interchange->addNamespace($v = array(
+            'ID' => 'Namespace',
+            'Foo' => 'Bar',
+        ));
+        $this->assertIdentical($v, $this->interchange->namespaces['Namespace']);
+    }
+    
+    public function testAddNamespaceError() {
+        try {
+            $this->interchange->addNamespace(array());
+        } catch (HTMLPurifier_ConfigSchema_Exception $e) {
+            $this->assertIdentical($e->getMessage(), 'Namespace must have ID');
+        }
+    }
+    
+    public function testAddDirective() {
+        $this->interchange->addDirective($v = array(
+            'ID' => 'Namespace.Directive',
+            'Foo' => 'Bar',
+        ));
+        $this->assertIdentical($v, $this->interchange->directives['Namespace.Directive']);
+    }
+    
+    public function testAddDirectiveError() {
+        try {
+            $this->interchange->addDirective(array());
+        } catch (HTMLPurifier_ConfigSchema_Exception $e) {
+            $this->assertIdentical($e->getMessage(), 'Directive must have ID');
+        }
+    }
+    
+}