discourse/test/run-qunit.js

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/*eslint no-console: ["error", { allow: ["log", "error"] }] */
// 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
/* globals Promise */
var args = process.argv.slice(2);
if (args.length < 1 || args.length > 3) {
console.log("Usage: node run-qunit.js <URL> <timeout> <result_file>");
process.exit(1);
}
const chromeLauncher = require("chrome-launcher");
const CDP = require("chrome-remote-interface");
const QUNIT_RESULT = args[2];
const fs = require("fs");
if (QUNIT_RESULT) {
(async () => {
await fs.stat(QUNIT_RESULT, (err, stats) => {
if (stats && stats.isFile())
fs.unlink(QUNIT_RESULT, unlinkErr => {
if (unlinkErr) {
console.log("Error deleting " + QUNIT_RESULT + " " + unlinkErr);
}
});
});
})();
}
async function runAllTests() {
function launchChrome() {
const options = {
chromeFlags: [
"--disable-gpu",
"--headless",
"--no-sandbox",
"--disable-dev-shm-usage",
"--mute-audio",
"--window-size=1440,900"
]
};
if (process.env.REMOTE_DEBUG) {
options.port = 9222;
}
return chromeLauncher.launch(options);
}
let chrome = await launchChrome();
let protocol = null;
let connectAttempts = 0;
while (!protocol) {
// Workaround for intermittent CI error caused by
// https://github.com/GoogleChrome/chrome-launcher/issues/145
try {
protocol = await CDP({ port: chrome.port });
} catch (e) {
if (e.message === "No inspectable targets" && connectAttempts < 50) {
connectAttempts++;
console.log(
"Unable to establish connection to chrome target - trying again..."
);
await new Promise(resolve => setTimeout(resolve, 100));
} else {
throw e;
}
}
}
const { Inspector, Page, Runtime } = protocol;
await Promise.all([Inspector.enable(), Page.enable(), Runtime.enable()]);
Inspector.targetCrashed(entry => {
console.log("Chrome target crashed:");
console.log(entry);
});
Runtime.exceptionThrown(exceptionInfo => {
console.log(exceptionInfo.exceptionDetails.exception.description);
});
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 if (
message &&
message.startsWith &&
message.startsWith("AUTOSPEC:")
) {
fs.appendFileSync(QUNIT_RESULT, `${message.slice(10)}\n`);
} else {
console.log(message);
}
});
console.log("navigate to " + args[0]);
Page.navigate({ url: args[0] });
Page.loadEventFired(async () => {
await Runtime.evaluate({
expression: `(${qunit_script})()`
});
const timeout = parseInt(args[1] || 300000, 10);
var start = Date.now();
var interval;
let runTests = async function() {
if (Date.now() > start + timeout) {
console.error("Tests timed out");
protocol.close();
chrome.kill();
process.exit(124);
}
let numFails = await Runtime.evaluate({
expression: `(${check_script})()`
});
if (numFails && numFails.result && numFails.result.type !== "undefined") {
clearInterval(interval);
protocol.close();
chrome.kill();
if (numFails.result.value > 0) {
process.exit(1);
} else {
process.exit();
}
}
};
interval = setInterval(runTests, 250);
});
}
runAllTests().catch(e => {
console.log("Failed to run tests: " + e);
process.exit(1);
});
// 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 = [];
}
});
let durations = {};
QUnit.testStart(function(context) {
console.log("\n" + context.module + "::" + context.name);
});
QUnit.testDone(function(context) {
durations[context.module + "::" + context.name] = context.runtime;
if (context.failed) {
var msg = " Test Failed: " + context.name + assertionErrors.join(" ");
/* QUNIT_RESULT */
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");
}
}
console.log("Slowest tests");
console.log("----------------------------------------------");
let ary = Object.keys(durations).map(key => ({
key: key,
value: durations[key]
}));
ary.sort((p1, p2) => p2.value - p1.value);
ary.slice(0, 30).forEach(pair => {
console.log(pair.key + ": " + pair.value + "ms");
});
var stats = [
"Time: " + context.runtime + "ms",
"Total: " + context.total,
"Passed: " + context.passed,
"Failed: " + context.failed
];
console.log(stats.join(", "));
window.qunitDone = context;
});
}
let qunit_script = logQUnit.toString();
if (QUNIT_RESULT) {
qunit_script = qunit_script.replace(
"/* QUNIT_RESULT */",
"console.log(`AUTOSPEC: ${context.module}:::${context.testId}:::${context.name}`);"
);
}
function check() {
if (window.qunitDone) {
return window.qunitDone.failed;
}
}
const check_script = check.toString();