tests/HTMLPurifier/ContextTest.php

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