Implement TextAlign and all hooks necessary, but it's kind of useless since CSS validation hasn't been built yet.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@166 48356398-32a2-884e-a903-53898d9a118a

tests/HTMLPurifier/AttrTransform/TextAlignTest.php

@@ -0,0 +1,55 @@
+<?php
+
+require_once 'HTMLPurifier/AttrTransform/TextAlign.php';
+
+class HTMLPurifier_AttrTransform_TextAlignTest extends HTMLPurifier_AttrTransformHarness
+{
+    
+    function test() {
+        
+        $this->transform = new HTMLPurifier_AttrTransform_TextAlign();
+        
+        $inputs = array();
+        $expect = array();
+        
+        // leave empty arrays alone
+        $inputs[0] = array();
+        $expect[0] = true;
+        
+        // leave arrays without interesting stuff alone
+        $inputs[1] = array('style' => 'font-weight:bold;');
+        $expect[1] = true;
+        
+        // test each of the conversions
+        
+        $inputs[2] = array('align' => 'left');
+        $expect[2] = array('style' => 'text-align:left;');
+        
+        $inputs[3] = array('align' => 'right');
+        $expect[3] = array('style' => 'text-align:right;');
+        
+        $inputs[4] = array('align' => 'center');
+        $expect[4] = array('style' => 'text-align:center;');
+        
+        $inputs[5] = array('align' => 'justify');
+        $expect[5] = array('style' => 'text-align:justify;');
+        
+        // drop garbage value
+        $inputs[6] = array('align' => 'invalid');
+        $expect[6] = array();
+        
+        // test CSS munging
+        $inputs[7] = array('align' => 'left', 'style' => 'font-weight:bold;');
+        $expect[7] = array('style' => 'text-align:left;font-weight:bold;');
+        
+        // test case insensitivity
+        $inputs[4] = array('align' => 'CENTER');
+        $expect[4] = array('style' => 'text-align:center;');
+        
+        $this->assertTransform($inputs, $expect);
+        
+    }
+    
+}
+
+?>