webpack/test/configCases/plugins/profiling-plugin/index.js

it("should generate a events.json file", () => {
    var fs = require("fs"),
        path = require("path"),
        os = require("os");
    expect(fs.existsSync(path.join(__dirname, "events.json"))).toBe(true);
});

it("should have proper setup record inside of the json stream", () => {
    var fs = require("fs"),
        path = require("path"),
        os = require("os");

    // convert json stream to valid
    var source = JSON.parse(fs.readFileSync(path.join(__dirname, "events.json"), "utf-8").toString() + "{}]");
    expect(source[0].id).toEqual(1);
});