cs142/project2/node_modules/htmlparser2/test/test-helper.js
2020-08-01 19:26:11 -03:00

84 lines
1.9 KiB
JavaScript

var htmlparser2 = require(".."),
fs = require("fs"),
path = require("path"),
assert = require("assert"),
Parser = htmlparser2.Parser,
CollectingHandler = htmlparser2.CollectingHandler;
exports.writeToParser = function(handler, options, data){
var parser = new Parser(handler, options);
//first, try to run the test via chunks
for(var i = 0; i < data.length; i++){
parser.write(data.charAt(i));
}
parser.end();
//then parse everything
parser.parseComplete(data);
};
//returns a tree structure
exports.getEventCollector = function(cb){
var handler = new CollectingHandler({onerror: cb, onend: onend});
return handler;
function onend(){
cb(null, handler.events.reduce(eventReducer, []));
}
};
function eventReducer(events, arr){
if(arr[0] === "onerror" || arr[0] === "onend");
else if(arr[0] === "ontext" && events.length && events[events.length - 1].event === "text"){
events[events.length - 1].data[0] += arr[1];
} else {
events.push({
event: arr[0].substr(2),
data: arr.slice(1)
});
}
return events;
}
function getCallback(expected, done){
var repeated = false;
return function(err, actual){
assert.ifError(err);
try {
assert.deepEqual(expected, actual, "didn't get expected output");
} catch(e){
e.expected = JSON.stringify(expected, null, 2);
e.actual = JSON.stringify(actual, null, 2);
throw e;
}
if(repeated) done();
else repeated = true;
};
}
exports.mochaTest = function(name, root, test){
describe(name, readDir);
function readDir(){
var dir = path.join(root, name);
fs
.readdirSync(dir)
.filter(RegExp.prototype.test, /^[^\._]/) //ignore all files with a leading dot or underscore
.map(function(name){
return path.join(dir, name);
})
.map(require)
.forEach(runTest);
}
function runTest(file){
it(file.name, function(done){
test(file, getCallback(file.expected, done));
});
}
};