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[3.0.0] Fully implement CSS extraction and cleaning. See NEWS for more information, it is now a Filter.

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- Some Lexer things were moved around

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1469 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2007-12-12 21:46:30 +00:00
parent 831f552ec5
commit 5b3431d889
9 changed files with 231 additions and 92 deletions
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112
tests/HTMLPurifier/Filter/ExtractStyleBlocksTest.php Normal file
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@@ -0,0 +1,112 @@
<?php
require_once 'HTMLPurifier/Filter/ExtractStyleBlocks.php';
/**
* @todo Assimilate CSSTidy into our library
*/
class HTMLPurifier_Filter_ExtractStyleBlocksTest extends HTMLPurifier_Harness
{
// usual use case:
function test_tokenizeHTML_extractStyleBlocks() {
$purifier = new HTMLPurifier($this->config);
$purifier->addFilter(new HTMLPurifier_Filter_ExtractStyleBlocks());
$result = $purifier->purify('<style type="text/css">.foo {text-align:center;bogus:remove-me;}</style>Test<style>* {font-size:12pt;}</style>');
$this->assertIdentical($result, 'Test');
$this->assertIdentical($purifier->context->get('StyleBlocks'),
array(
".foo {\ntext-align:center;\n}",
"* {\nfont-size:12pt;\n}"
)
);
}
function assertExtractStyleBlocks($html, $expect = true, $styles = array()) {
$filter = new HTMLPurifier_Filter_ExtractStyleBlocks(false); // disable cleaning
if ($expect === true) $expect = $html;
$result = $filter->preFilter($html, $this->config, $this->context);
$this->assertIdentical($result, $expect);
$this->assertIdentical($this->context->get('StyleBlocks'), $styles);
}
function test_extractStyleBlocks_preserve() {
$this->assertExtractStyleBlocks('Foobar');
}
function test_extractStyleBlocks_allStyle() {
$this->assertExtractStyleBlocks('<style>foo</style>', '', array('foo'));
}
function test_extractStyleBlocks_multipleBlocks() {
$this->assertExtractStyleBlocks(
"<style>1</style><style>2</style>NOP<style>4</style>",
"NOP",
array('1', '2', '4')
);
}
function test_extractStyleBlocks_blockWithAttributes() {
$this->assertExtractStyleBlocks(
'<style type="text/css">css</style>',
'',
array('css')
);
}
function test_extractStyleBlocks_styleWithPadding() {
$this->assertExtractStyleBlocks(
"Alas<styled>Awesome</styled>\n<style>foo</style> Trendy!",
"Alas<styled>Awesome</styled>\n Trendy!",
array('foo')
);
}
function assertCleanCSS($input, $expect = true) {
$filter = new HTMLPurifier_Filter_ExtractStyleBlocks();
if ($expect === true) $expect = $input;
$result = $filter->cleanCSS($input, $this->config, $this->context);
$this->assertIdentical($result, $expect);
}
function test_cleanCSS_malformed() {
$this->assertCleanCSS('</style>', '');
}
function test_cleanCSS_selector() {
$this->assertCleanCSS("a .foo #id div.cl#foo {\nfont-weight:700;\n}");
}
function test_cleanCSS_angledBrackets() {
$this->assertCleanCSS(
".class {\nfont-family:'</style>';\n}",
".class {\nfont-family:'\\3C /style\\3E ';\n}"
);
}
function test_cleanCSS_angledBrackets2() {
// CSSTidy's behavior in this case is wrong, and should be fixed
//$this->assertCleanCSS(
// "span[title=\"</style>\"] {\nfont-size:12pt;\n}",
// "span[title=\"\\3C /style\\3E \"] {\nfont-size:12pt;\n}"
//);
}
function test_cleanCSS_bogus() {
$this->assertCleanCSS("div {bogus:tree;}", "div {\n}");
}
function test_cleanCSS_escapeCodes() {
$this->assertCleanCSS(
".class {\nfont-family:'\\3C /style\\3E ';\n}"
);
}
function test_cleanCSS_noEscapeCodes() {
$filter = new HTMLPurifier_Filter_ExtractStyleBlocks(null, true);
$input = ".class {\nfont-family:'</style>';\n}";
$result = $filter->cleanCSS($input, $this->config, $this->context);
$this->assertIdentical($result, $input);
}
}

53
tests/HTMLPurifier/LexerTest.php
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@@ -31,48 +31,6 @@ class HTMLPurifier_LexerTest extends HTMLPurifier_Harness
$this->assertIsA($lexer, 'HTMLPurifier_Lexer_DirectLex');
}
// HTMLPurifier_Lexer->extractStyleBlocks() --------------------------------
function assertExtractStyleBlocks($html, $expect = true, $styles = array()) {
$lexer = HTMLPurifier_Lexer::create($this->config);
if ($expect === true) $expect = $html;
$result = $lexer->extractStyleBlocks($html, $this->config, $this->context);
$this->assertIdentical($result, $expect);
$this->assertIdentical($this->context->get('StyleBlocks'), $styles);
}
function test_extractStyleBlocks_preserve() {
$this->assertExtractStyleBlocks('Foobar');
}
function test_extractStyleBlocks_allStyle() {
$this->assertExtractStyleBlocks('<style>foo</style>', '', array('foo'));
}
function test_extractStyleBlocks_multipleBlocks() {
$this->assertExtractStyleBlocks(
"<style>1</style><style>2</style>NOP<style>4</style>",
"NOP",
array('1', '2', '4')
);
}
function test_extractStyleBlocks_blockWithAttributes() {
$this->assertExtractStyleBlocks(
'<style type="text/css">css</style>',
'',
array('css')
);
}
function test_extractStyleBlocks_styleWithPadding() {
$this->assertExtractStyleBlocks(
"Alas<styled>Awesome</styled>\n<style>foo</style> Trendy!",
"Alas<styled>Awesome</styled>\n Trendy!",
array('foo')
);
}
// HTMLPurifier_Lexer->parseData() -----------------------------------------
function assertParseData($input, $expect = true) {
@@ -553,17 +511,6 @@ class HTMLPurifier_LexerTest extends HTMLPurifier_Harness
);
}
function test_tokenizeHTML_extractStyleBlocks() {
$this->config->set('HTML', 'ExtractStyleBlocks', true);
$this->assertTokenization(
'<style type="text/css">.foo {text-align:center;}</style>Test',
array(
new HTMLPurifier_Token_Text('Test')
)
);
$this->assertIdentical($this->context->get('StyleBlocks'), array('.foo {text-align:center;}'));
}
/*
function test_tokenizeHTML_() {