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[1.7.0] Add unit test for AttrCollections
- Fixed bug where recursive attribute collections would result in infinite loop - Fixed bug with deep inclusions in attribute collections - Reset doctype object if HTML or Attr is changed - Add accessor functions to AttrTypes, unit tested class git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1077 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
parent
e4b621eec2
commit
3f06d8316c
2
NEWS
2
NEWS
@ -21,6 +21,8 @@ NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
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. Unit test for ElementDef created, ElementDef behavior modified to
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be more flexible
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. Added convenience functions for HTMLModule constructors
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. AttrTypes now has accessor functions that should be used instead
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of directly manipulating info
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1.6.1, released 2007-05-05
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! Support for more deprecated attributes via transformations:
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@ -12,8 +12,6 @@ class HTMLPurifier_AttrCollections
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/**
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* Associative array of attribute collections, indexed by name
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* @note Technically, the composition of these is more complicated,
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* but we bypass it using our own excludes property
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*/
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var $info = array();
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@ -25,27 +23,29 @@ class HTMLPurifier_AttrCollections
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* @param $modules Hash array of HTMLPurifier_HTMLModule members
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*/
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function HTMLPurifier_AttrCollections($attr_types, $modules) {
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$info =& $this->info;
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// load extensions from the modules
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foreach ($modules as $module) {
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foreach ($module->attr_collections as $coll_i => $coll) {
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if (!isset($this->info[$coll_i])) {
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$this->info[$coll_i] = array();
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}
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foreach ($coll as $attr_i => $attr) {
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if ($attr_i === 0 && isset($info[$coll_i][$attr_i])) {
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if ($attr_i === 0 && isset($this->info[$coll_i][$attr_i])) {
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// merge in includes
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$info[$coll_i][$attr_i] = array_merge(
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$info[$coll_i][$attr_i], $attr);
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$this->info[$coll_i][$attr_i] = array_merge(
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$this->info[$coll_i][$attr_i], $attr);
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continue;
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}
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$info[$coll_i][$attr_i] = $attr;
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$this->info[$coll_i][$attr_i] = $attr;
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}
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}
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}
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// perform internal expansions and inclusions
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foreach ($info as $name => $attr) {
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foreach ($this->info as $name => $attr) {
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// merge attribute collections that include others
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$this->performInclusions($info[$name]);
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$this->performInclusions($this->info[$name]);
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// replace string identifiers with actual attribute objects
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$this->expandIdentifiers($info[$name], $attr_types);
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$this->expandIdentifiers($this->info[$name], $attr_types);
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}
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}
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@ -57,16 +57,19 @@ class HTMLPurifier_AttrCollections
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function performInclusions(&$attr) {
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if (!isset($attr[0])) return;
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$merge = $attr[0];
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$seen = array(); // recursion guard
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// loop through all the inclusions
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for ($i = 0; isset($merge[$i]); $i++) {
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if (isset($seen[$merge[$i]])) continue;
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$seen[$merge[$i]] = true;
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// foreach attribute of the inclusion, copy it over
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foreach ($this->info[$merge[$i]] as $key => $value) {
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if (isset($attr[$key])) continue; // also catches more inclusions
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$attr[$key] = $value;
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}
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if (isset($info[$merge[$i]][0])) {
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if (isset($this->info[$merge[$i]][0])) {
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// recursion
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$merge = array_merge($merge, isset($info[$merge[$i]][0]));
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$merge = array_merge($merge, $this->info[$merge[$i]][0]);
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}
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}
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unset($attr[0]);
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@ -86,10 +89,9 @@ class HTMLPurifier_AttrCollections
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unset($attr[$def_i]);
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continue;
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}
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if (isset($attr_types->info[$def])) {
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$attr[$def_i] = $attr_types->info[$def];
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if ($t = $attr_types->get($def)) {
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$attr[$def_i] = $t;
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} else {
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trigger_error('Attempted to reference undefined attribute type', E_USER_ERROR);
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unset($attr[$def_i]);
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}
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}
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@ -37,6 +37,18 @@ class HTMLPurifier_AttrTypes
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// number is really a positive integer (one or more digits)
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$this->info['Number'] = new HTMLPurifier_AttrDef_Integer(false, false, true);
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}
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/**
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* Retrieves a type
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*/
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function get($type) {
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// maybe some extra initialization could be done
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if (!isset($this->info[$type])) {
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trigger_error('Cannot retrieve undefined attribute type ' . $type, E_USER_ERROR);
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return;
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}
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return $this->info[$type];
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}
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}
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?>
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@ -168,9 +168,13 @@ class HTMLPurifier_Config
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return;
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}
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$this->conf[$namespace][$key] = $value;
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// reset definitions if the directives they depend on changed
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// this is a very costly process, so it's discouraged
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// with finalization
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if ($namespace == 'HTML' || $namespace == 'Attr') {
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// reset HTML definition if relevant attributes changed
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$this->html_definition = null;
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$this->doctype = null;
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}
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if ($namespace == 'CSS') {
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$this->css_definition = null;
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131
tests/HTMLPurifier/AttrCollectionsTest.php
Normal file
131
tests/HTMLPurifier/AttrCollectionsTest.php
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<?php
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require_once 'HTMLPurifier/AttrCollections.php';
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Mock::generatePartial(
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'HTMLPurifier_AttrCollections',
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'HTMLPurifier_AttrCollections_TestForConstruct',
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array('performInclusions', 'expandIdentifiers')
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);
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class HTMLPurifier_AttrCollectionsTest extends UnitTestCase
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{
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function testConstruction() {
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generate_mock_once('HTMLPurifier_AttrTypes');
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$collections = new HTMLPurifier_AttrCollections_TestForConstruct($this);
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$types = new HTMLPurifier_AttrTypesMock($this);
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$modules = array();
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$modules['Module1'] = new HTMLPurifier_HTMLModule();
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$modules['Module1']->attr_collections = array(
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'Core' => array(
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0 => array('Soup', 'Undefined'),
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'attribute' => 'Type',
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'attribute-2' => 'Type2',
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),
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'Soup' => array(
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'attribute-3' => 'Type3-old' // overwritten
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)
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);
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$modules['Module2'] = new HTMLPurifier_HTMLModule();
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$modules['Module2']->attr_collections = array(
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'Core' => array(
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0 => array('Brocolli')
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),
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'Soup' => array(
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'attribute-3' => 'Type3'
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),
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'Brocolli' => array()
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);
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$collections->HTMLPurifier_AttrCollections($types, $modules);
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// this is without identifier expansion or inclusions
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$this->assertIdentical(
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$collections->info,
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array(
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'Core' => array(
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0 => array('Soup', 'Undefined', 'Brocolli'),
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'attribute' => 'Type',
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'attribute-2' => 'Type2'
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),
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'Soup' => array(
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'attribute-3' => 'Type3'
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),
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'Brocolli' => array()
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)
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);
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}
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function test_performInclusions() {
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generate_mock_once('HTMLPurifier_AttrTypes');
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$types = new HTMLPurifier_AttrTypesMock($this);
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$collections = new HTMLPurifier_AttrCollections($types, array());
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$collections->info = array(
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'Core' => array(0 => array('Inclusion'), 'attr-original' => 'Type'),
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'Inclusion' => array(0 => array('SubInclusion'), 'attr' => 'Type'),
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'SubInclusion' => array('attr2' => 'Type')
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);
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$collections->performInclusions($collections->info['Core']);
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$this->assertIdentical(
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$collections->info['Core'],
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array(
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'attr-original' => 'Type',
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'attr' => 'Type',
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'attr2' => 'Type'
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)
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);
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// test recursive
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$collections->info = array(
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'One' => array(0 => array('Two'), 'one' => 'Type'),
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'Two' => array(0 => array('One'), 'two' => 'Type')
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);
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$collections->performInclusions($collections->info['One']);
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$this->assertIdentical(
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$collections->info['One'],
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array(
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'one' => 'Type',
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'two' => 'Type'
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)
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);
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}
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function test_expandIdentifiers() {
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generate_mock_once('HTMLPurifier_AttrTypes');
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$types = new HTMLPurifier_AttrTypesMock($this);
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$collections = new HTMLPurifier_AttrCollections($types, array());
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$attr = array(
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'attr1' => 'Color',
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'attr2' => 'URI'
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);
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$types->setReturnValue('get', 'ColorObject', array('Color'));
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$types->setReturnValue('get', 'URIObject', array('URI'));
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$collections->expandIdentifiers($attr, $types);
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$this->assertIdentical(
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$attr,
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array(
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'attr1' => 'ColorObject',
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'attr2' => 'URIObject'
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)
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);
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}
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}
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?>
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23
tests/HTMLPurifier/AttrTypesTest.php
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23
tests/HTMLPurifier/AttrTypesTest.php
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@ -0,0 +1,23 @@
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<?php
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require_once 'HTMLPurifier/AttrTypes.php';
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class HTMLPurifier_AttrTypesTest extends UnitTestCase
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{
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function test_get() {
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$types = new HTMLPurifier_AttrTypes();
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$this->assertIdentical(
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$types->get('CDATA'),
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$types->info['CDATA']
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);
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$this->expectError('Cannot retrieve undefined attribute type foobar');
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$types->get('foobar');
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}
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}
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?>
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@ -3,6 +3,7 @@
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if (!defined('HTMLPurifierTest')) exit;
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// define callable test files (sorted alphabetically)
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$test_files[] = 'AttrCollectionsTest.php';
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$test_files[] = 'AttrDef/CSS/BackgroundPositionTest.php';
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$test_files[] = 'AttrDef/CSS/BackgroundTest.php';
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$test_files[] = 'AttrDef/CSS/BorderTest.php';
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@ -46,6 +47,7 @@ $test_files[] = 'AttrTransform/ImgSpaceTest.php';
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$test_files[] = 'AttrTransform/LangTest.php';
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$test_files[] = 'AttrTransform/LengthTest.php';
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$test_files[] = 'AttrTransform/NameTest.php';
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$test_files[] = 'AttrTypesTest.php';
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$test_files[] = 'ChildDef/ChameleonTest.php';
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$test_files[] = 'ChildDef/CustomTest.php';
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$test_files[] = 'ChildDef/OptionalTest.php';
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