<?php
namespace SilverStripe\View\Tests\Parsers;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\View\Parsers\HTML4Value;
class HTML4ValueTest extends SapphireTest
{
public function testInvalidHTMLSaving()
{
$value = new HTML4Value();
$invalid = [
'<p>Enclosed Value</p></p>'
=> '<p>Enclosed Value</p>',
'<meta content="text/html"></meta>'
=> '<meta content="text/html">',
'<p><div class="example"></div></p>'
=> '<p></p><div class="example"></div>',
'<html><html><body><falsetag "attribute=""attribute""">'
=> '<falsetag></falsetag>',
'<body<body<body>/bodu>/body>'
=> '/bodu>/body>'
];
foreach ($invalid as $input => $expected) {
$value->setContent($input);
$this->assertEquals($expected, $value->getContent(), 'Invalid HTML can be saved');
}
}
public function testUtf8Saving()
{
$value = new HTML4Value();
$value->setContent('<p>ö ß ā い 家</p>');
$this->assertEquals('<p>ö ß ā い 家</p>', $value->getContent());
}
public function testInvalidHTMLTagNames()
{
$value = new HTML4Value();
$invalid = [
'<p><div><a href="test-link"></p></div>',
'<html><div><a href="test-link"></a></a></html_>',
'""\'\'\'"""\'""<<<>/</<htmlbody><a href="test-link"<<>'
];
foreach ($invalid as $input) {
$value->setContent($input);
$this->assertEquals(
'test-link',
$value->getElementsByTagName('a')->item(0)->getAttribute('href'),
'Link data can be extraced from malformed HTML'
);
}
}
public function testMixedNewlines()
{
$value = new HTML4Value();
$value->setContent("<p>paragraph</p>\n<ul><li>1</li>\r\n</ul>");
$this->assertEquals(
"<p>paragraph</p>\n<ul><li>1</li>\n</ul>",
$value->getContent(),
'Newlines get converted'
);
}
public function testAttributeEscaping()
{
$value = new HTML4Value();
$value->setContent('<a href="[]"></a>');
$this->assertEquals('<a href="[]"></a>', $value->getContent(), "'[' character isn't escaped");
$value->setContent('<a href="""></a>');
$this->assertEquals('<a href="""></a>', $value->getContent(), "'\"' character is escaped");
}
public function testGetContent()
{
$value = new HTML4Value();
$value->setContent('<p>This is valid</p>');
$this->assertEquals('<p>This is valid</p>', $value->getContent(), "Valid content is returned");
$value->setContent('<p?< This is not really valid but it will get parsed into something valid');
// can sometimes get a this state where HTMLValue->valid is false
// for instance if a content editor saves something really weird in a LiteralField
// we can manually get to this state via ->setInvalid()
$value->setInvalid();
$this->assertEquals('', $value->getContent(), "Blank string is returned when invalid");
}
}