141 lines
3.0 KiB
JavaScript
141 lines
3.0 KiB
JavaScript
"use strict";
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/* globals describe it */
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const path = require("path");
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const MemoryFs = require("memory-fs");
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const webpack = require("..");
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const fs = require("fs");
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const rimraf = require("rimraf");
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const createCompiler = config => {
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const compiler = webpack(config);
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compiler.outputFileSystem = new MemoryFs();
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return compiler;
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};
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const tempFolderPath = path.join(__dirname, "temp");
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const tempFilePath = path.join(tempFolderPath, "temp-file.js");
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const tempFile2Path = path.join(tempFolderPath, "temp-file2.js");
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const createSingleCompiler = () => {
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return createCompiler({
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entry: tempFilePath,
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watch: true,
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output: {
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path: tempFolderPath,
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filename: "bundle.js"
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}
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});
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};
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describe("RemovedFiles", () => {
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if (process.env.NO_WATCH_TESTS) {
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it.skip("watch tests excluded", () => {});
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return;
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}
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jest.setTimeout(20000);
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function cleanup() {
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rimraf.sync(tempFolderPath);
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}
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beforeAll(() => {
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cleanup();
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fs.mkdirSync(tempFolderPath);
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fs.writeFileSync(
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tempFilePath,
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"module.exports = function temp() {return 'temp file';};\n require('./temp-file2')",
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"utf-8"
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);
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fs.writeFileSync(
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tempFile2Path,
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"module.exports = function temp2() {return 'temp file 2';};",
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"utf-8"
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);
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});
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afterAll(done => {
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cleanup();
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done();
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});
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it("should track removed files when they've been deleted in watchRun", done => {
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const compiler = createSingleCompiler();
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let watcher;
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function handleError(err) {
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if (err) done(err);
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}
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setTimeout(() => {
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fs.unlinkSync(tempFilePath, handleError);
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}, 2000);
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compiler.hooks.watchRun.tap("RemovedFilesTest", (compiler, err) => {
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if (err) {
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done(err);
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}
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const removals = Array.from(compiler.removedFiles);
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if (removals.length > 0) {
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setTimeout(() => {
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expect(removals).toContain(tempFilePath);
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watcher.close();
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done();
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}, 100);
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}
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});
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watcher = compiler.watch(
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{
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aggregateTimeout: 50
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},
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(err, stats) => {}
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);
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});
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it("should not track removed files when they have not been deleted in watchRun", done => {
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const compiler = createSingleCompiler();
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let watcher;
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compiler.hooks.watchRun.tap("RemovedFilesTest", (compiler, err) => {
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if (err) {
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done(err);
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}
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expect(Array.from(compiler.removedFiles)).toHaveLength(0);
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done();
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watcher.close();
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});
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watcher = compiler.watch(
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{
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aggregateTimeout: 50
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},
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(err, stats) => {}
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);
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});
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it("should not track removed files when files have been modified", done => {
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const compiler = createSingleCompiler();
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let watcher;
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function handleError(err) {
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if (err) done(err);
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}
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let updateFile = () => {
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fs.writeFile(tempFile2Path, "hello world", "utf-8", handleError);
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};
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updateFile();
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compiler.hooks.watchRun.tap("RemovedFilesTest", (compiler, err) => {
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handleError(err);
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setTimeout(() => {
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expect(Array.from(compiler.removedFiles)).toHaveLength(0);
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watcher.close();
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done();
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}, 500);
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watcher.close();
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});
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watcher = compiler.watch(
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{
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aggregateTimeout: 50
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},
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(err, stats) => {}
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);
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});
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});
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