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HTML API: Fix void tag nesting with next_token #5975

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HTML API: Fix void tag nesting with next_token #5975

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0deab0a
Use $p variable for processor like other tests
sirreal Jan 30, 2024
e0668b6
Add failing test
sirreal Jan 30, 2024
7890b53
Update ticket
sirreal Jan 30, 2024
31d71de
Ensure void and self-closing elements pop from stack when advancing.
dmsnell Jan 30, 2024
19bea7f
Revert "Use $p variable for processor like other tests"
sirreal Jan 31, 2024
200479b
Merge branch 'trunk' into html-api/fix-void-nesting-next-token
dmsnell Feb 1, 2024
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59 changes: 56 additions & 3 deletions tests/phpunit/tests/html-api/wpHtmlProcessor.php
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,59 @@ public function test_cannot_nest_void_tags( $tag_name ) {
);
}

/**
* Ensure non-nesting tags do not nest when processing tokens.
*
* @ticket 60382
*
* @dataProvider data_void_tags
*
* @param string $tag_name Name of void tag under test.
*/
public function test_cannot_nest_void_tags_next_token( $tag_name ) {
$processor = WP_HTML_Processor::create_fragment( "<{$tag_name}><div>" );

/*
* This HTML represents the same as the following HTML,
* assuming that it were provided `<img>` as the tag:
*
* <html>
* <body>
* <img>
* <div></div>
* </body>
* </html>
*/

$found_tag = $processor->next_token();

if ( WP_HTML_Processor::ERROR_UNSUPPORTED === $processor->get_last_error() ) {
$this->markTestSkipped( "Tag {$tag_name} is not supported." );
}

$this->assertTrue(
$found_tag,
"Could not find first {$tag_name}."
);

$this->assertSame(
array( 'HTML', 'BODY', $tag_name ),
$processor->get_breadcrumbs(),
'Found incorrect nesting of first element.'
);

$this->assertTrue(
$processor->next_token(),
'Should have found the DIV as the second tag.'
);

$this->assertSame(
array( 'HTML', 'BODY', 'DIV' ),
$processor->get_breadcrumbs(),
"DIV should have been a sibling of the {$tag_name}."
);
}

/**
* Data provider.
*
Expand Down Expand Up @@ -227,9 +280,9 @@ public function data_void_tags() {
* @param string $tag_name Name of the tag to test.
*/
public function test_step_in_body_fails_on_unsupported_tags( $tag_name ) {
$fragment = WP_HTML_Processor::create_fragment( '<' . $tag_name . '></' . $tag_name . '>' );
$this->assertFalse( $fragment->next_tag(), 'Should fail to find tag: ' . $tag_name . '.' );
$this->assertEquals( $fragment->get_last_error(), WP_HTML_Processor::ERROR_UNSUPPORTED, 'Should have unsupported last error.' );
$p = WP_HTML_Processor::create_fragment( '<' . $tag_name . '></' . $tag_name . '>' );
$this->assertFalse( $p->next_tag(), 'Should fail to find tag: ' . $tag_name . '.' );
$this->assertEquals( $p->get_last_error(), WP_HTML_Processor::ERROR_UNSUPPORTED, 'Should have unsupported last error.' );
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}

/**
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