default-js-config.test.js

const fs = require('fs');
const path = require('path');
const { run, isWebpack5 } = require('../../../../utils/test-utils');

describe('Zero Config', () => {
    it('runs 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');

        if (!isWebpack5) {
            expect(stdout).toContain('Hash');
            expect(stdout).toContain('Version');
            expect(stdout).toContain('Built at');
            expect(stdout).toContain('Time');
        }

        // check that the output file exists
        expect(fs.existsSync(path.join(__dirname, '/dist/test-output.js'))).toBeTruthy();
    });
});