mirror of https://github.com/webpack/webpack.git
108 lines
2.5 KiB
JavaScript
108 lines
2.5 KiB
JavaScript
"use strict";
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const _ = require("lodash");
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const path = require("path");
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const MemoryFs = require("memory-fs");
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const captureStdio = require("./helpers/captureStdio");
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let webpack;
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describe("ProgressPlugin", function() {
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let stderr;
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beforeEach(() => {
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stderr = captureStdio(process.stderr, true);
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webpack = require("..");
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});
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afterEach(() => {
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stderr && stderr.restore();
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});
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it("should not contain NaN as a percentage when it is applied to MultiCompiler", () => {
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const compiler = createMultiCompiler();
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return RunCompilerAsync(compiler).then(() => {
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expect(stderr.toString()).toContain("%");
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expect(stderr.toString()).not.toContain("NaN");
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});
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});
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it("should not print lines longer than stderr.columns", () => {
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const compiler = createSimpleCompiler();
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process.stderr.columns = 36;
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return RunCompilerAsync(compiler).then(() => {
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const logs = getLogs(stderr.toString());
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expect(logs.length).toBeGreaterThan(20);
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logs.forEach(log => expect(log.length).toBeLessThanOrEqual(35));
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expect(logs).toContain(
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"75% ...optimization ...ChunksPlugin",
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"trims each detail string equally"
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);
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expect(logs).toContain(
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"10% ...ding ...ries ...ules ...tive",
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"remove empty arguments and omit arguments when no space"
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);
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expect(logs).toContain("92% after chunk asset optimization");
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expect(logs).toContain("100%");
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});
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});
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it("should handle when stderr.columns is undefined", () => {
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const compiler = createSimpleCompiler();
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process.stderr.columns = undefined;
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return RunCompilerAsync(compiler).then(() => {
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const logs = getLogs(stderr.toString());
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expect(logs.length).toBeGreaterThan(20);
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expect(_.maxBy(logs, "length").length).toBeGreaterThan(50);
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});
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});
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});
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const createMultiCompiler = () => {
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const compiler = webpack([
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{
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context: path.join(__dirname, "fixtures"),
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entry: "./a.js"
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},
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{
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context: path.join(__dirname, "fixtures"),
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entry: "./b.js"
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}
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]);
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compiler.outputFileSystem = new MemoryFs();
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new webpack.ProgressPlugin().apply(compiler);
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return compiler;
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};
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const createSimpleCompiler = () => {
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const compiler = webpack({
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context: path.join(__dirname, "fixtures"),
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entry: "./a.js"
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});
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compiler.outputFileSystem = new MemoryFs();
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new webpack.ProgressPlugin().apply(compiler);
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return compiler;
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};
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const getLogs = logsStr => logsStr.split(/\r/).filter(v => !(v === " "));
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const RunCompilerAsync = compiler =>
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new Promise((resolve, reject) => {
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compiler.run(err => {
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if (err) {
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reject(err);
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} else {
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resolve();
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}
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});
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});
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