mediawiki-extensions-Discus.../tests/phpunit/CommentParserTest.php

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<?php
namespace MediaWiki\Extension\DiscussionTools\Tests;
use DateTimeImmutable;
use DOMElement;
use DOMNode;
use Error;
use MediaWiki\Extension\DiscussionTools\CommentItem;
use MediaWiki\Extension\DiscussionTools\CommentParser;
use MediaWiki\Extension\DiscussionTools\CommentUtils;
use MediaWiki\Extension\DiscussionTools\HeadingItem;
use MediaWiki\Extension\DiscussionTools\ImmutableRange;
use MediaWiki\Extension\DiscussionTools\ThreadItem;
use stdClass;
use Wikimedia\TestingAccessWrapper;
/**
* @coversDefaultClass \MediaWiki\Extension\DiscussionTools\CommentParser
*
* @group DiscussionTools
*/
class CommentParserTest extends CommentTestCase {
/**
* Convert UTF-8 byte offsets to UTF-16 code unit offsets.
*
* @param DOMElement $ancestor
* @param DOMNode $node
* @param int $nodeOffset
* @return string
*/
private static function getOffsetPath(
DOMElement $ancestor, DOMNode $node, int $nodeOffset
) : string {
if ( $node->nodeType === XML_TEXT_NODE ) {
$str = substr( $node->nodeValue, 0, $nodeOffset );
// Count characters that require two code units to encode in UTF-16
$count = preg_match_all( '/[\x{010000}-\x{10FFFF}]/u', $str );
$nodeOffset = mb_strlen( $str ) + $count;
}
$path = [ $nodeOffset ];
while ( $node !== $ancestor ) {
if ( !$node->parentNode ) {
throw new Error( 'Not a descendant' );
}
array_unshift( $path, CommentUtils::childIndexOf( $node ) );
$node = $node->parentNode;
}
return implode( '/', $path );
}
private static function serializeComments( ThreadItem &$threadItem, DOMElement $root ) : stdClass {
$serialized = new stdClass();
if ( $threadItem instanceof HeadingItem ) {
$serialized->placeholderHeading = $threadItem->isPlaceholderHeading();
}
$serialized->type = $threadItem->getType();
if ( $threadItem instanceof CommentItem ) {
$serialized->timestamp = $threadItem->getTimestamp();
$serialized->author = $threadItem->getAuthor();
}
// Can't serialize the DOM nodes involved in the range,
// instead use their offsets within their parent nodes
$range = $threadItem->getRange();
$serialized->range = [
self::getOffsetPath( $root, $range->startContainer, $range->startOffset ),
self::getOffsetPath( $root, $range->endContainer, $range->endOffset )
];
if ( $threadItem instanceof CommentItem ) {
$serialized->signatureRanges = array_map( function ( ImmutableRange $range ) use ( $root ) {
return [
self::getOffsetPath( $root, $range->startContainer, $range->startOffset ),
self::getOffsetPath( $root, $range->endContainer, $range->endOffset )
];
}, $threadItem->getSignatureRanges() );
}
if ( $threadItem instanceof HeadingItem ) {
$serialized->headingLevel = $threadItem->getHeadingLevel();
}
$serialized->level = $threadItem->getLevel();
$serialized->id = $threadItem->getId();
$serialized->warnings = $threadItem->getWarnings();
$serialized->replies = [];
foreach ( $threadItem->getReplies() as $reply ) {
$serialized->replies[] = self::serializeComments( $reply, $root );
}
return $serialized;
}
/**
* @dataProvider provideTimestampRegexps
* @covers ::getTimestampRegexp
*/
public function testGetTimestampRegexp(
string $format, string $expected, string $message
) : void {
$parser = TestingAccessWrapper::newFromObject(
CommentParser::newFromGlobalState( new DOMElement( 'div' ) )
);
// HACK: Fix differences between JS & PHP regexes
// TODO: We may just have to have two version in the test data
$expected = preg_replace( '/\\\\u([0-9A-F]+)/', '\\\\x{$1}', $expected );
$expected = str_replace( ':', '\:', $expected );
$expected = '/' . $expected . '/u';
$result = $parser->getTimestampRegexp( 'en', $format, '\\d', [ 'UTC' => 'UTC' ] );
self::assertSame( $expected, $result, $message );
}
public function provideTimestampRegexps() : array {
return self::getJson( '../cases/timestamp-regex.json' );
}
/**
* @dataProvider provideTimestampParser
* @covers ::getTimestampParser
*/
public function testGetTimestampParser(
string $format, array $data, string $expected, string $message
) : void {
$parser = TestingAccessWrapper::newFromObject(
CommentParser::newFromGlobalState( new DOMElement( 'div' ) )
);
$expected = new DateTimeImmutable( $expected );
$tsParser = $parser->getTimestampParser( 'en', $format, null, 'UTC', [ 'UTC' => 'UTC' ] );
self::assertEquals( $expected, $tsParser( $data ), $message );
}
public function provideTimestampParser() : array {
return self::getJson( '../cases/timestamp-parser.json' );
}
/**
* @dataProvider provideTimestampParserDST
* @covers ::getTimestampParser
*/
public function testGetTimestampParserDST(
string $sample, string $expected, string $expectedUtc, string $format,
string $timezone, array $timezoneAbbrs, string $message
) : void {
$parser = TestingAccessWrapper::newFromObject(
CommentParser::newFromGlobalState( new DOMElement( 'div' ) )
);
$regexp = $parser->getTimestampRegexp( 'en', $format, '\\d', $timezoneAbbrs );
$tsParser = $parser->getTimestampParser( 'en', $format, null, $timezone, $timezoneAbbrs );
$expected = new DateTimeImmutable( $expected );
$expectedUtc = new DateTimeImmutable( $expectedUtc );
preg_match( $regexp, $sample, $match, PREG_OFFSET_CAPTURE );
$date = $tsParser( $match );
self::assertEquals( $expected, $date, $message );
self::assertEquals( $expectedUtc, $date, $message );
}
public function provideTimestampParserDST() : array {
return self::getJson( '../cases/timestamp-parser-dst.json' );
}
/**
* @dataProvider provideComments
* @covers ::getThreads
*/
public function testGetThreads(
string $name, string $dom, string $expected, string $config, string $data
) : void {
$dom = self::getHtml( $dom );
$expectedPath = $expected;
$expected = self::getJson( $expected );
$config = self::getJson( $config );
$data = self::getJson( $data );
$doc = self::createDocument( $dom );
$body = $doc->getElementsByTagName( 'body' )->item( 0 );
$this->setupEnv( $config, $data );
$parser = self::createParser( $body, $data );
$threads = $parser->getThreads();
$processedThreads = [];
foreach ( $threads as $i => $thread ) {
$thread = self::serializeComments( $thread, $body );
$thread = json_decode( json_encode( $thread ), true );
$processedThreads[] = $thread;
}
// Optionally write updated content to the JSON files
if ( getenv( 'DISCUSSIONTOOLS_OVERWRITE_TESTS' ) ) {
self::overwriteJsonFile( $expectedPath, $processedThreads );
}
foreach ( $threads as $i => $thread ) {
self::assertEquals( $expected[$i], $processedThreads[$i], $name . ' section ' . $i );
}
}
public function provideComments() : array {
return self::getJson( '../cases/comments.json' );
}
}