How to use the worker-farm.mock function in worker-farm
To help you get started, we’ve selected a few worker-farm examples, based on popular ways it is used in public projects.
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trivago / parallel-webpack / __tests__ / index.spec.js View on Github 
it('should call generate workers and return farm promise', () => {
jest.spyOn(console, 'log').mockImplementation(() => {});
promisify.mockReturnValueOnce(jest.fn());
const returnPromise = run('testConfig.js', { colors: false }, jest.fn());
expect(workerFarm.mock.calls[0][0]).toEqual({ maxRetries: 0 });
expect(returnPromise).toBe(Bluebird);
expect(promisify).toHaveBeenCalledTimes(1);
expect(error).toHaveBeenCalledTimes(1);
expect(then).toHaveBeenCalledTimes(2);
expect(Bluebird.finally).toHaveBeenCalledTimes(1);
expect(asCallback).toHaveBeenCalledTimes(1);
});worker-farm
Distribute processing tasks to child processes with an über-simple API and baked-in durability & custom concurrency options.
