tests/HTMLPurifier/ContextTest.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/Context.php';
   4
   5 // mocks
   6 require_once 'HTMLPurifier/IDAccumulator.php';
   7
   8 class HTMLPurifier_ContextTest extends UnitTestCase
   9 {
  10
  11     var $context;
  12
  13     function setUp() {
  14         $this->context = new HTMLPurifier_Context();
  15     }
  16
  17     function testStandardUsage() {
  18
  19         generate_mock_once('HTMLPurifier_IDAccumulator');
  20
  21         $this->assertFalse($this->context->exists('IDAccumulator'));
  22
  23         $accumulator = new HTMLPurifier_IDAccumulatorMock();
  24         $this->context->register('IDAccumulator', $accumulator);
  25         $this->assertTrue($this->context->exists('IDAccumulator'));
  26
  27         $accumulator_2 =& $this->context->get('IDAccumulator');
  28         $this->assertReference($accumulator, $accumulator_2);
  29
  30         $this->context->destroy('IDAccumulator');
  31         $this->assertFalse($this->context->exists('IDAccumulator'));
  32
  33         $this->expectError('Attempted to retrieve non-existent variable IDAccumulator');
  34         $accumulator_3 =& $this->context->get('IDAccumulator');
  35         $this->assertNull($accumulator_3);
  36
  37         $this->expectError('Attempted to destroy non-existent variable IDAccumulator');
  38         $this->context->destroy('IDAccumulator');
  39
  40     }
  41
  42     function testReRegister() {
  43
  44         $var = true;
  45         $this->context->register('OnceOnly', $var);
  46
  47         $this->expectError('Name OnceOnly produces collision, cannot re-register');
  48         $this->context->register('OnceOnly', $var);
  49
  50         // destroy it, now registration is okay
  51         $this->context->destroy('OnceOnly');
  52         $this->context->register('OnceOnly', $var);
  53
  54     }
  55
  56     function test_loadArray() {
  57
  58         // references can be *really* wonky!
  59
  60         $context_manual = new HTMLPurifier_Context();
  61         $context_load   = new HTMLPurifier_Context();
  62
  63         $var1 = 1;
  64         $var2 = 2;
  65
  66         $context_manual->register('var1', $var1);
  67         $context_manual->register('var2', $var2);
  68
  69         // you MUST set up the references when constructing the array,
  70         // otherwise the registered version will be a copy
  71         $array = array(
  72             'var1' => &$var1,
  73             'var2' => &$var2
  74         );
  75
  76         $context_load->loadArray($array);
  77         $this->assertIdentical($context_manual, $context_load);
  78
  79         $var1 = 10;
  80         $var2 = 20;
  81
  82         $this->assertIdentical($context_manual, $context_load);
  83
  84     }
  85
  86 }
  87