65 lines
1.2 KiB
JavaScript
65 lines
1.2 KiB
JavaScript
'use strict';
|
|
|
|
class Concurrent {
|
|
constructor(runnables, bail) {
|
|
if (!Array.isArray(runnables)) {
|
|
throw new TypeError('Expected an array of runnables');
|
|
}
|
|
|
|
this.runnables = runnables;
|
|
this.bail = bail || false;
|
|
}
|
|
|
|
run() {
|
|
let allPassed = true;
|
|
|
|
let pending;
|
|
let rejectPending;
|
|
let resolvePending;
|
|
const allPromises = [];
|
|
const handlePromise = promise => {
|
|
if (!pending) {
|
|
pending = new Promise((resolve, reject) => {
|
|
rejectPending = reject;
|
|
resolvePending = resolve;
|
|
});
|
|
}
|
|
|
|
allPromises.push(promise.then(passed => {
|
|
if (!passed) {
|
|
allPassed = false;
|
|
|
|
if (this.bail) {
|
|
// Stop if the test failed and bail mode is on.
|
|
resolvePending();
|
|
}
|
|
}
|
|
}, rejectPending));
|
|
};
|
|
|
|
for (const runnable of this.runnables) {
|
|
const passedOrPromise = runnable.run();
|
|
|
|
if (!passedOrPromise) {
|
|
if (this.bail) {
|
|
// Stop if the test failed and bail mode is on.
|
|
return false;
|
|
}
|
|
|
|
allPassed = false;
|
|
} else if (passedOrPromise !== true) {
|
|
handlePromise(passedOrPromise);
|
|
}
|
|
}
|
|
|
|
if (pending) {
|
|
Promise.all(allPromises).then(resolvePending);
|
|
return pending.then(() => allPassed);
|
|
}
|
|
|
|
return allPassed;
|
|
}
|
|
}
|
|
|
|
module.exports = Concurrent;
|