mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-28 16:20:52 +00:00
dca609e3f9
In preparation for the big extraction of Parsoid out of VisualEditor, we'll start by moving the tests into the parsoid location. Change-Id: I4a926ee4aad1490d4f769d44e91af80842b881f0
682 lines
19 KiB
JavaScript
682 lines
19 KiB
JavaScript
/**
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* Initial parser tests runner for experimental JS parser
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*
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* This pulls all the parserTests.txt items and runs them through the JS
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* parser and JS HTML renderer. Currently no comparison is done on output,
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* as a direct string comparison won't be very encouraging. :)
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*
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* Needs smarter compare, as well as search-y helpers.
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*
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* @author Brion Vibber <brion@pobox.com>
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* @author Gabriel Wicke <gwicke@wikimedia.org>
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* @author Neil Kandalgaonkar <neilk@wikimedia.org>
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*/
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(function() {
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console.log( "Starting up JS parser tests" );
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var fs = require('fs'),
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path = require('path'),
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jsDiff = require('diff'),
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colors = require('colors'),
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util = require( 'util' ),
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jsdom = require( 'jsdom' ),
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HTML5 = require('html5').HTML5, //TODO is this fixup for tests only, or part of real parsing...
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PEG = require('pegjs'),
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// Handle options/arguments with optimist module
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optimist = require('optimist');
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// track files imported / required
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var fileDependencies = [];
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// Fetch up some of our wacky parser bits...
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var basePath = path.join(path.dirname(path.dirname(process.cwd())), 'modules');
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function _require(filename) {
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var fullpath = path.join( basePath, filename );
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fileDependencies.push( fullpath );
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return require( fullpath );
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}
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function _import(filename, symbols) {
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var module = _require(filename);
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symbols.forEach(function(symbol) {
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global[symbol] = module[symbol];
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});
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}
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// For now most modules only need this for $.extend and $.each :)
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global.$ = require('jquery');
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var pj = path.join;
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// Our code...
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var testWhiteList = require(__dirname + '/parserTests-whitelist.js').testWhiteList;
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_import(pj('parser', 'mediawiki.parser.environment.js'), ['MWParserEnvironment']);
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_import(pj('parser', 'mediawiki.parser.js'), ['ParserPipelineFactory']);
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_import(pj('parser', 'mediawiki.WikitextSerializer.js'), ['WikitextSerializer']);
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// WikiDom and serializers
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//_require(pj('es', 'es.js'));
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//_require(pj('es', 'es.Html.js'));
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//_require(pj('es', 'serializers', 'es.AnnotationSerializer.js'));
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//_require(pj('es', 'serializers', 'es.HtmlSerializer.js'));
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//_require(pj('es', 'serializers', 'es.WikitextSerializer.js'));
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//_require(pj('es', 'serializers', 'es.JsonSerializer.js'));
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function ParserTests () {
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this.argv = optimist.usage( 'Usage: $0', {
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'quick': {
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description: 'Suppress diff output of failed tests',
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'boolean': true,
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'default': false
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},
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'quiet': {
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description: 'Suppress notification of passed tests (shows only failed tests)',
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'boolean': true,
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'default': false
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},
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'color': {
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description: 'Enable color output Ex: --no-color',
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'boolean': true,
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'default': true
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},
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'cache': {
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description: 'Get tests cases from cache file ' + this.cache_file,
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'boolean': true,
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'default': false
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},
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'filter': {
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description: 'Only run tests whose descriptions which match given regex',
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alias: 'regex'
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},
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'whitelist': {
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description: 'Alternatively compare against manually verified parser output from whitelist',
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'default': true,
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'boolean': true
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},
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'help': {
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description: 'Show this help message',
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alias: 'h'
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},
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'disabled': {
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description: 'Run disabled tests (option not implemented)',
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'default': false,
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'boolean': true
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},
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'printwhitelist': {
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description: 'Print out a whitelist entry for failing tests. Default false.',
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'default': false,
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'boolean': true
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},
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'wikidom': {
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description: 'Print out a WikiDom conversion of the HTML DOM',
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'default': false,
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'boolean': true
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},
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'roundtrip': {
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description: 'Roundtrip testing: Wikitext -> DOM -> wikitext',
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'default': false,
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'boolean': true
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},
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'debug': {
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description: 'Print debugging information',
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'default': false,
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'boolean': true
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},
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'trace': {
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description: 'Print trace information (light debugging)',
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'default': false,
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'boolean': true
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},
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'maxtests': {
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description: 'Maximum number of tests to run',
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'boolean': false
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}
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}
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).check( function(argv) {
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if( argv.filter === true ) {
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throw "--filter need an argument";
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}
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}
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).argv; // keep that
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if( this.argv.help ) {
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optimist.showHelp();
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process.exit( 0 );
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}
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this.test_filter = null;
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if( this.argv.filter ) { // null is the 'default' by definition
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try {
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this.test_filter = new RegExp( this.argv.filter );
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} catch(e) {
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console.error( "\nERROR> --filter was given an invalid regular expression.");
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console.error( "ERROR> See below for JS engine error:\n" + e + "\n" );
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process.exit( 1 );
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}
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console.log( "Filtering title test using Regexp " + this.test_filter );
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}
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if( !this.argv.color ) {
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colors.mode = 'none';
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}
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// Name of file used to cache the parser tests cases
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this.cache_file = "parserTests.cache";
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this.testFileName = __dirname+'/parserTests.txt';
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if (this.argv._[0]) {
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// hack :D
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this.testFileName = this.argv._[0] ;
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}
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try {
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this.testParser = PEG.buildParser(fs.readFileSync(__dirname+'/parserTests.pegjs', 'utf8'));
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} catch (e2) {
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console.log(e2);
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}
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this.cases = this.getTests() || [];
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if ( this.argv.maxtests ) {
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var n = Number(this.argv.maxtests);
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console.warn('maxtests:' + n );
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if(n > 0) {
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this.cases.length = n;
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}
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}
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this.articles = {};
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this.htmlparser = new HTML5.Parser();
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// Test statistics
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this.passedTests = 0;
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this.passedTestsManual = 0;
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this.failParseTests = 0;
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this.failTreeTests = 0;
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this.failOutputTests = 0;
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// Create a new parser environment
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this.env = new MWParserEnvironment({
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fetchTemplates: false,
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debug: this.argv.debug,
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trace: this.argv.trace,
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wgUploadPath: 'http://example.com/images'
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});
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}
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/**
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* Get an object holding our tests cases. Eventually from a cache file
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*/
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ParserTests.prototype.getTests = function () {
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// Startup by loading .txt test file
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var testFile;
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try {
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testFile = fs.readFileSync(this.testFileName, 'utf8');
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fileDependencies.push( this.testFileName );
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} catch (e) {
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console.log( e );
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}
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if( !this.argv.cache ) {
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// Cache not wanted, parse file and return object
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return this.parseTestCase( testFile );
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}
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// Find out modification time of all files depencies and then hashes those
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// as a unique value using sha1.
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var mtimes = '';
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fileDependencies.sort().forEach( function (file) {
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mtimes += fs.statSync( file ).mtime;
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});
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var sha1 = require('crypto').createHash('sha1')
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.update( mtimes ).digest( 'hex' );
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// Look for a cache_file
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var cache_content;
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var cache_file_digest;
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try {
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console.log( "Looking for cache file " + this.cache_file );
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cache_content = fs.readFileSync( this.cache_file, 'utf8' );
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// Fetch previous digest
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cache_file_digest = cache_content.match( /^CACHE: (\w+)\n/ )[1];
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} catch( e4 ) {
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// cache file does not exist
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}
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if( cache_file_digest === sha1 ) {
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// cache file match our digest.
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console.log( "Loaded tests cases from cache file" );
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// Return contained object after removing first line (CACHE: <sha1>)
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return JSON.parse( cache_content.replace( /.*\n/, '' ) );
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} else {
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// Write new file cache, content preprended with current digest
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console.log( "Cache file either inexistant or outdated" );
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var parse = this.parseTestCase( testFile );
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if ( parse !== undefined ) {
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console.log( "Writing parse result to " + this.cache_file );
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fs.writeFileSync( this.cache_file,
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"CACHE: " + sha1 + "\n" + JSON.stringify( parse ),
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'utf8'
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);
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}
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// We can now return the parsed object
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return parse;
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}
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};
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/**
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* Parse given tests cases given as plaintext
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*/
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ParserTests.prototype.parseTestCase = function ( content ) {
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console.log( "Parsing tests case from file, this takes a few seconds ..." );
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try {
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console.log( "Done parsing." );
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return this.testParser.parse(content);
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} catch (e) {
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console.log(e);
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}
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return undefined;
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};
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ParserTests.prototype.processArticle = function( index, item ) {
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var norm = this.env.normalizeTitle(item.title);
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//console.log( 'processArticle ' + norm );
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this.articles[norm] = item.text;
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process.nextTick( this.processCase.bind( this, index + 1 ) );
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};
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/* Normalize the expected parser output by parsing it using a HTML5 parser and
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* re-serializing it to HTML. Ideally, the parser would normalize inter-tag
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* whitespace for us. For now, we fake that by simply stripping all newlines.
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*/
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ParserTests.prototype.normalizeHTML = function (source) {
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// TODO: Do not strip newlines in pre and nowiki blocks!
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source = source.replace(/[\r\n]/g, '');
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try {
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this.htmlparser.parse('<body>' + source + '</body>');
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return this.htmlparser.document.childNodes[0].childNodes[1]
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.innerHTML
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// a few things we ignore for now..
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//.replace(/\/wiki\/Main_Page/g, 'Main Page')
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// do not expect a toc for now
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.replace(/<table[^>]+?id="toc"[^>]*>.+?<\/table>/mg, '')
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// do not expect section editing for now
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.replace(/(<span class="editsection">\[.*?<\/span> *)?<span[^>]+class="mw-headline"[^>]*>(.*?)<\/span>/g, '$2')
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// general class and titles, typically on links
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.replace(/(title|class|rel)="[^"]+"/g, '')
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// strip red link markup, we do not check if a page exists yet
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.replace(/\/index.php\?title=([^']+?)&action=edit&redlink=1/g, '/wiki/$1')
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// the expected html has some extra space in tags, strip it
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.replace(/<a +href/g, '<a href')
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.replace(/" +>/g, '">');
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} catch(e) {
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console.log("normalizeHTML failed on" +
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source + " with the following error: " + e);
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console.trace();
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return source;
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}
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};
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// Specialized normalization of the wiki parser output, mostly to ignore a few
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// known-ok differences.
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ParserTests.prototype.normalizeOut = function ( out ) {
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// TODO: Do not strip newlines in pre and nowiki blocks!
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return out
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.replace(/<span data-gen=[^>]*>((?:[^<]+|(?!<\/span).)*)<\/span>/g,
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'$1')
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.replace(/[\r\n]| (data-rt|typeof|resource|rel|prefix|about|rev|datatype|inlist|property|vocab|content)="[^">]*"/g, '')
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.replace(/<!--.*?-->\n?/gm, '')
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.replace(/<\/?meta[^>]*>/g, '');
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};
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ParserTests.prototype.formatHTML = function ( source ) {
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// Quick hack to insert newlines before some block level start tags
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return source.replace(
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/(?!^)<((div|dd|dt|li|p|table|tr|td|tbody|dl|ol|ul|h1|h2|h3|h4|h5|h6)[^>]*)>/g,
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'\n<$1>');
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};
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ParserTests.prototype.printTitle = function( item, failure_only ) {
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if( failure_only ) {
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console.log('FAILED'.red + ': ' + item.title.yellow);
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return;
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}
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console.log('=====================================================');
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console.log('FAILED'.red + ': ' + item.title.yellow);
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console.log(item.comments.join('\n'));
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if (item.options) {
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console.log("OPTIONS".cyan + ":");
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console.log(item.options + '\n');
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}
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console.log("INPUT".cyan + ":");
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console.log(item.input + "\n");
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};
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ParserTests.prototype.processTest = function ( index, item ) {
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if (!('title' in item)) {
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console.log(item);
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throw new Error('Missing title from test case.');
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}
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if (!('input' in item)) {
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console.log(item);
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throw new Error('Missing input from test case ' + item.title);
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}
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if (!('result' in item)) {
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console.log(item);
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throw new Error('Missing input from test case ' + item.title);
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}
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this.parserPipeline.once( 'document',
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this.processResult.bind( this, index, item )
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);
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// Start the pipeline by feeding it the input
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this.parserPipeline.process( item.input );
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};
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ParserTests.prototype.processResult = function ( index, item, doc ) {
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// Check for errors
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if (doc.err) {
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this.printTitle(item);
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this.failParseTests++;
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console.log('PARSE FAIL', res.err);
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} else {
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if (this.argv.roundtrip) {
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var rt_wikiText = new WikitextSerializer({env: this.env}).serializeDOM(doc.body);
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this.checkRoundTripResult(item, rt_wikiText);
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} else {
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// Check the result vs. the expected result.
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this.checkResult( item, doc.body.innerHTML );
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if ( this.argv.wikidom ) {
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// Test HTML DOM -> WikiDOM conversion
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this.printWikiDom( parserPipeline.getWikiDom() );
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}
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}
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}
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// Now call schedule the next test, if any
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process.nextTick( this.processCase.bind( this, index + 1 ) );
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};
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ParserTests.prototype.diff = function ( a, b ) {
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if ( this.argv.color ) {
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return jsDiff.diffWords( a, b ).map( function ( change ) {
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if ( change.added ) {
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return change.value.green;
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} else if ( change.removed ) {
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return change.value.red;
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} else {
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return change.value;
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}
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}).join('');
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} else {
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var patch = jsDiff.createPatch('wikitext.txt', a, b, 'before', 'after');
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console.log('DIFF'.cyan +': ');
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// Strip the header from the patch, we know how diffs work..
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patch = patch.replace(/^[^\n]*\n[^\n]*\n[^\n]*\n[^\n]*\n/, '');
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return patch.split( '\n' ).map( function(line) {
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// Add some colors to diff output
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switch( line.charAt(0) ) {
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case '-':
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return line.red;
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case '+':
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return line.blue;
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default:
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return line;
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}
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}).join( "\n" );
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}
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};
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ParserTests.prototype.checkResult = function ( item, out ) {
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var normalizedOut = this.normalizeOut(out);
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var normalizedExpected = this.normalizeHTML(item.result);
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if ( normalizedOut !== normalizedExpected ) {
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if (this.argv.whitelist &&
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item.title in testWhiteList &&
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this.normalizeOut(testWhiteList[item.title]) === normalizedOut) {
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if( !this.argv.quiet ) {
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console.log( 'PASSED (whiteList)'.green + ': ' + item.title.yellow );
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}
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this.passedTestsManual++;
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return;
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}
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this.printTitle( item, this.argv.quick );
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this.failOutputTests++;
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if( !this.argv.quick ) {
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console.log('RAW EXPECTED'.cyan + ':');
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console.log(item.result + "\n");
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console.log('RAW RENDERED'.cyan + ':');
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console.log(this.formatHTML(out) + "\n");
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var a = this.formatHTML(normalizedExpected);
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console.log('NORMALIZED EXPECTED'.magenta + ':');
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console.log(a + "\n");
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var b = this.formatHTML(normalizedOut);
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console.log('NORMALIZED RENDERED'.magenta + ':');
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console.log(this.formatHTML(this.normalizeOut(out)) + "\n");
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console.log('DIFF'.cyan +': ');
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var colored_diff = this.diff( a, b );
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console.log( colored_diff );
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if(this.argv.printwhitelist) {
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console.log("WHITELIST ENTRY:".cyan);
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console.log("testWhiteList[" +
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JSON.stringify(item.title) + "] = " +
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JSON.stringify(out) +
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";\n");
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}
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}
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} else {
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this.passedTests++;
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if( !this.argv.quiet ) {
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console.log( 'PASSED'.green + ': ' + item.title.yellow );
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}
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}
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};
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ParserTests.prototype.checkRoundTripResult = function ( item, out ) {
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var normalizedOut = out; // FIXME: normalization not in place yet
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var normalizedExpected = item.input; // FIXME: normalization not in place yet
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if ( normalizedOut !== normalizedExpected ) {
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this.printTitle( item, this.argv.quick );
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this.failOutputTests++;
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if( !this.argv.quick ) {
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console.log('RAW EXPECTED'.cyan + ':');
|
|
console.log(item.input + "\n");
|
|
|
|
console.log('RAW RENDERED'.cyan + ':');
|
|
console.log(out + "\n");
|
|
|
|
console.log('NORMALIZED EXPECTED'.magenta + ':');
|
|
console.log(normalizedExpected + "\n");
|
|
|
|
console.log('NORMALIZED RENDERED'.magenta + ':');
|
|
console.log(normalizedOut + "\n");
|
|
console.log('DIFF'.cyan +': ');
|
|
var colored_diff = this.diff ( normalizedExpected, normalizedOut );
|
|
console.log( colored_diff );
|
|
}
|
|
} else {
|
|
this.passedTests++;
|
|
if( !this.argv.quiet ) {
|
|
console.log( 'PASSED'.green + ': ' + item.title.yellow );
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* Print out a WikiDom conversion of the HTML DOM
|
|
*/
|
|
ParserTests.prototype.printWikiDom = function ( body ) {
|
|
console.log('WikiDom'.cyan + ':');
|
|
console.log( body );
|
|
};
|
|
|
|
|
|
/**
|
|
* Colorize given number if <> 0
|
|
*
|
|
* @param count Integer: a number to colorize
|
|
* @param color String: 'green' or 'red'
|
|
*/
|
|
ParserTests.prototype.ColorizeCount = function ( count, color ) {
|
|
if( count === 0 ) {
|
|
return count;
|
|
}
|
|
|
|
// We need a string to use colors methods
|
|
count = count.toString();
|
|
// FIXME there must be a wait to call a method by its name
|
|
switch( color ) {
|
|
case 'green': return count.green;
|
|
case 'red': return count.red;
|
|
|
|
default: return count;
|
|
}
|
|
};
|
|
|
|
ParserTests.prototype.reportSummary = function () {
|
|
|
|
var failTotalTests = (this.failParseTests + this.failTreeTests +
|
|
this.failOutputTests);
|
|
|
|
console.log( "==========================================================");
|
|
console.log( "SUMMARY: ");
|
|
|
|
if( failTotalTests !== 0 ) {
|
|
console.log( this.ColorizeCount( this.passedTests , 'green' ) +
|
|
" passed");
|
|
console.log( this.ColorizeCount( this.passedTestsManual , 'green' ) +
|
|
" passed from whitelist");
|
|
console.log( this.ColorizeCount( this.failParseTests , 'red' ) +
|
|
" parse failures");
|
|
console.log( this.ColorizeCount( this.failTreeTests , 'red' ) +
|
|
" tree build failures");
|
|
console.log( this.ColorizeCount( this.failOutputTests, 'red' ) +
|
|
" output differences");
|
|
console.log( "\n" );
|
|
console.log( this.ColorizeCount( this.passedTests + this.passedTestsManual , 'green' ) +
|
|
' total passed tests, ' +
|
|
this.ColorizeCount( failTotalTests , 'red' ) + " total failures");
|
|
|
|
} else {
|
|
if( this.test_filter !== null ) {
|
|
console.log( "Passed " + ( this.passedTests + this.passedTestsManual ) +
|
|
" of " + this.passedTests + " tests matching " + this.test_filter +
|
|
"... " + "ALL TESTS PASSED!".green );
|
|
} else {
|
|
// Should not happen if it does: Champagne!
|
|
console.log( "Passed " + this.passedTests + " of " + this.passedTests +
|
|
" tests... " + "ALL TESTS PASSED!".green );
|
|
}
|
|
}
|
|
console.log( "==========================================================");
|
|
|
|
};
|
|
|
|
ParserTests.prototype.main = function () {
|
|
console.log( "Initialisation complete. Now launching tests." );
|
|
//var parserEnv = new MWParserEnvironment({
|
|
// tagHooks: {
|
|
// 'ref': MWRefTagHook,
|
|
// 'references': MWReferencesTagHook
|
|
// }
|
|
//});
|
|
|
|
this.env.pageCache = this.articles;
|
|
var parserPipelineFactory = new ParserPipelineFactory( this.env );
|
|
this.parserPipeline = parserPipelineFactory.makePipeline( 'text/x-mediawiki/full' );
|
|
|
|
this.comments = [];
|
|
|
|
this.processCase( 0 );
|
|
};
|
|
|
|
ParserTests.prototype.processCase = function ( i ) {
|
|
if ( i < this.cases.length ) {
|
|
var item = this.cases[i];
|
|
//console.log( 'processCase ' + i + JSON.stringify( item ) );
|
|
if ( typeof item == 'object' ) {
|
|
switch(item.type) {
|
|
case 'article':
|
|
this.comments = [];
|
|
this.processArticle( i, item );
|
|
break;
|
|
case 'test':
|
|
if( this.test_filter &&
|
|
-1 === item.title.search( this.test_filter ) ) {
|
|
// Skip test whose title does not match --filter
|
|
process.nextTick( this.processCase.bind( this, i + 1 ) );
|
|
break;
|
|
}
|
|
// Add comments to following test.
|
|
item.comments = this.comments;
|
|
this.comments = [];
|
|
this.processTest( i, item );
|
|
break;
|
|
case 'comment':
|
|
this.comments.push( item.comment );
|
|
process.nextTick( this.processCase.bind( this, i + 1 ) );
|
|
break;
|
|
case 'hooks':
|
|
console.warn('parserTests: Unhandled hook ' + JSON.stringify( item ) );
|
|
break;
|
|
case 'functionhooks':
|
|
console.warn('parserTests: Unhandled functionhook ' + JSON.stringify( item ) );
|
|
break;
|
|
default:
|
|
this.comments = [];
|
|
process.nextTick( this.processCase.bind( this, i + 1 ) );
|
|
break;
|
|
}
|
|
} else {
|
|
process.nextTick( this.processCase.bind( this, i + 1 ) );
|
|
}
|
|
} else {
|
|
// print out the summary
|
|
this.reportSummary();
|
|
}
|
|
};
|
|
|
|
// Construct the ParserTests object and run the parser tests
|
|
new ParserTests().main();
|
|
|
|
|
|
})();
|