webpack/test/WatchClose.test.js

62 lines
1.2 KiB
JavaScript

"use strict";
require("./helpers/warmup-webpack");
const path = require("path");
describe("WatchClose", () => {
jest.setTimeout(5000);
describe("multiple calls watcher", () => {
const fixturePath = path.join(__dirname, "fixtures");
const outputPath = path.join(__dirname, "js/WatchClose");
const filePath = path.join(fixturePath, "a.js");
let compiler;
let watcher;
beforeEach(() => {
const webpack = require("../");
compiler = webpack({
mode: "development",
entry: filePath,
output: {
path: outputPath,
filename: "bundle.js"
}
});
watcher = compiler.watch({ poll: 300 }, () => {});
});
afterEach(() => {
watcher.close();
compiler = null;
});
function close(watcher, callback) {
return new Promise(res => {
const onClose = () => {
callback();
res();
};
watcher.close(onClose);
});
}
it("each callback should be called", async () => {
let num = 0;
await Promise.all([
close(watcher, () => (num += 1)),
close(watcher, () => (num += 10))
]);
await Promise.all([
close(watcher, () => (num += 100)),
close(watcher, () => (num += 1000))
]);
expect(num).toBe(1111);
});
});
});