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Merge pull request #13405 from webpack/test/profiling-plugin-stability 

improve stability of ProfilingPlugin test
This commit is contained in:
Tobias Koppers 2021-05-19 12:07:00 +02:00 committed by GitHub
parent 2a5ed4a2dc fd0cb346cd
commit 1d2253fdab
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 2 deletions
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8
test/ProfilingPlugin.test.js
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@ -6,12 +6,13 @@ const webpack = require("../");
const rimraf = require("rimraf"); const rimraf = require("rimraf");
describe("Profiling Plugin", function () { describe("Profiling Plugin", function () {
jest.setTimeout(30000); jest.setTimeout(120000);
it("should handle output path with folder creation", done => { it("should handle output path with folder creation", done => {
const outputPath = path.join(__dirname, "js/profilingPath"); const outputPath = path.join(__dirname, "js/profilingPath");
const finalPath = path.join(outputPath, "events.json"); const finalPath = path.join(outputPath, "events.json");
rimraf(outputPath, () => { rimraf(outputPath, () => {
const startTime = process.hrtime();
const compiler = webpack({ const compiler = webpack({
context: __dirname, context: __dirname,
entry: "./fixtures/a.js", entry: "./fixtures/a.js",
@ -26,13 +27,16 @@ describe("Profiling Plugin", function () {
}); });
compiler.run(err => { compiler.run(err => {
if (err) return done(err); if (err) return done(err);
const testDuration = process.hrtime(startTime);
if (!fs.existsSync(outputPath)) if (!fs.existsSync(outputPath))
return done(new Error("Folder should be created.")); return done(new Error("Folder should be created."));
const data = require(finalPath); const data = require(finalPath);
const maxTs = data.reduce((max, entry) => Math.max(max, entry.ts), 0); const maxTs = data.reduce((max, entry) => Math.max(max, entry.ts), 0);
const minTs = data[0].ts; const minTs = data[0].ts;
const duration = maxTs - minTs; const duration = maxTs - minTs;
expect(duration).toBeLessThan(10000 * 1000); expect(duration).toBeLessThan(
testDuration[0] * 1000000 + testDuration[1] / 1000
);
const cpuProfile = data.find(entry => entry.name === "CpuProfile"); const cpuProfile = data.find(entry => entry.name === "CpuProfile");
expect(cpuProfile).toBeTypeOf("object"); expect(cpuProfile).toBeTypeOf("object");
const profile = cpuProfile.args.data.cpuProfile; const profile = cpuProfile.args.data.cpuProfile;