discourse/vendor/assets/javascripts/run-qunit-chrome.js

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// Chrome QUnit Test Runner
// Author: David Taylor
// Requires chrome-launcher and chrome-remote-interface from npm
// An up-to-date version of chrome is also required
var args = process.argv.slice(2);
if (args.length < 1 || args.length > 2) {
console.log("Usage: node run-qunit-chrome.js <URL> <timeout>");
process.exit(1);
}
const chromeLauncher = require('chrome-launcher');
const CDP = require('chrome-remote-interface');
(async function() {
async function launchChrome() {
return await chromeLauncher.launch({
chromeFlags: [
'--disable-gpu',
'--headless'
]
});
}
const chrome = await launchChrome();
const protocol = await CDP({
port: chrome.port
});
const {
Page,
Runtime
} = protocol;
await Page.enable();
await Runtime.enable();
Runtime.consoleAPICalled((response) => {
const message = response['args'][0].value;
// If it's a simple test result, write without newline
if(message === "." || message === "F"){
process.stdout.write(message);
}else{
console.log(message);
}
});
Page.navigate({
url: args[0]
});
Page.loadEventFired(async() => {
await Runtime.evaluate({
expression: `(${qunit_script})()`
});
const timeout = parseInt(args[1] || 300000, 10);
var start = Date.now();
var interval = setInterval(async() => {
if (Date.now() > start + timeout) {
console.error("Tests timed out");
protocol.close();
chrome.kill();
process.exit(124);
} else {
const numFails = await Runtime.evaluate({
expression: `(${check_script})()`
});
if (numFails.result.type !== 'undefined') {
clearInterval(interval);
protocol.close();
chrome.kill();
if (numFails.value > 0) {
process.exit(1);
} else {
process.exit();
}
}
}
}, 250);
});
})();
// The following functions are converted to strings
// And then sent to chrome to be evalaluated
function logQUnit() {
var moduleErrors = [];
var testErrors = [];
var assertionErrors = [];
console.log("\nRunning: " + JSON.stringify(QUnit.urlParams) + "\n");
QUnit.config.testTimeout = 10000;
QUnit.moduleDone(function(context) {
if (context.failed) {
var msg = "Module Failed: " + context.name + "\n" + testErrors.join("\n");
moduleErrors.push(msg);
testErrors = [];
}
});
QUnit.testDone(function(context) {
if (context.failed) {
var msg = " Test Failed: " + context.name + assertionErrors.join(" ");
testErrors.push(msg);
assertionErrors = [];
console.log("F");
} else {
console.log(".");
}
});
QUnit.log(function(context) {
if (context.result) { return; }
var msg = "\n Assertion Failed:";
if (context.message) {
msg += " " + context.message;
}
if (context.expected) {
msg += "\n Expected: " + context.expected + ", Actual: " + context.actual;
}
assertionErrors.push(msg);
});
QUnit.done(function(context) {
console.log("\n");
if (moduleErrors.length > 0) {
for (var idx=0; idx<moduleErrors.length; idx++) {
console.error(moduleErrors[idx]+"\n");
}
}
var stats = [
"Time: " + context.runtime + "ms",
"Total: " + context.total,
"Passed: " + context.passed,
"Failed: " + context.failed
];
console.log(stats.join(", "));
window.qunitDone = context;
});
}
const qunit_script = logQUnit.toString();
function check() {
if(window.qunitDone){
return window.qunitDone.failed;
}
}
const check_script = check.toString();