default-js-config.test.js

const fs = require("fs");
const path = require("path");
const { run } = require("../../../../utils/test-utils");

describe("default config", () => {
  it("should build and not throw error when config is present but not supplied via flag", async () => {
    const { exitCode, stderr, stdout } = await run(__dirname, []);

        expect(exitCode).toEqual(0);
        expect(stderr).toBeFalsy();
        // default entry should be used
        expect(stdout).toContain("./src/index.js");
        // should pick up the output path from config
        expect(stdout).toContain("test-output");
        expect(stdout).toContain("compiled successfully");
        // check that the output file exists
        expect(fs.existsSync(path.join(__dirname, "/dist/test-output.js"))).toBeTruthy();
    });
});