76 lines
2.0 KiB
JavaScript
76 lines
2.0 KiB
JavaScript
"use strict";
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require("./helpers/warmup-webpack");
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const path = require("path");
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const fs = require("graceful-fs");
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const rimraf = require("rimraf");
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describe("Profiling Plugin", function () {
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jest.setTimeout(120000);
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it("should handle output path with folder creation", done => {
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const webpack = require("../");
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const outputPath = path.join(__dirname, "js/profilingPath");
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const finalPath = path.join(outputPath, "events.json");
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let counter = 0;
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rimraf(outputPath, () => {
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const startTime = process.hrtime();
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const compiler = webpack({
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context: __dirname,
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entry: "./fixtures/a.js",
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output: {
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path: path.join(__dirname, "js/profilingOut")
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},
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plugins: [
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new webpack.debug.ProfilingPlugin({
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outputPath: finalPath
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}),
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{
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apply(compiler) {
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const hook = compiler.hooks.make;
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[
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{ stage: 0, order: 1 },
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{ stage: 1, order: 2 },
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{ stage: -1, order: 0 }
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].forEach(({ stage, order }) => {
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hook.tap(
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{
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name: "RespectStageCheckerPlugin",
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stage
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},
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() => {
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expect(counter++).toBe(order);
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}
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);
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});
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}
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}
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],
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experiments: {
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backCompat: false
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}
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});
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compiler.run(err => {
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if (err) return done(err);
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const testDuration = process.hrtime(startTime);
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if (!fs.existsSync(outputPath))
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return done(new Error("Folder should be created."));
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const data = require(finalPath);
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const maxTs = data.reduce((max, entry) => Math.max(max, entry.ts), 0);
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const minTs = data[0].ts;
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const duration = maxTs - minTs;
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expect(duration).toBeLessThan(
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testDuration[0] * 1000000 + testDuration[1] / 1000
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);
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const cpuProfile = data.find(entry => entry.name === "CpuProfile");
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expect(cpuProfile).toBeTypeOf("object");
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const profile = cpuProfile.args.data.cpuProfile;
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expect(profile.startTime).toBeGreaterThanOrEqual(minTs);
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expect(profile.endTime).toBeLessThanOrEqual(maxTs);
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done();
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});
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});
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});
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});
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