Espec vs Laravel Dusk comparison of testing frameworks
What are the differences between Espec and Laravel Dusk?

Espec

https://github.com/antonmi/espec

Laravel Dusk

https://laravel.com/docs/5.8/dusk
Programming language

Elixir

PHP

Category

Unit Testing

Browser Automation

General info

BDD driven testing framework for Elixir

It is a testing framework written from scratch which is inspired by RSpec and the main idea is to close to its perfect DSL (Domain Specific Language)

Laravel Dusk is an easy-to-use browser automation and testing API.

One can use Dusk to programmatically test applications, visit any website using a real Chrome browser, automate repetitive tasks, scrape information from other sites or test to make sure your app always works in the browser.
xUnit
Set of frameworks originating from SUnit (Smalltalk's testing framework). They share similar structure and functionality.

No

N/A

Client-side
Allows testing code execution on the client, such as a web browser

Yes

Front-end components can be tested; there is also espec_phoenix for the Phoenix web framework

Yes

It is a browser automation tool which tests front-end components and functionality
Server-side
Allows testing the bahovior of a server-side code

Yes

databases and server behaviour can be tested using Espec

Yes

Laravel provides a variety of tools to make it easier to test your database driven applications
Fixtures
Allows defining a fixed, specific states of data (fixtures) that are test-local. This ensures specific environment for a single test

N/A

N/A

Group fixtures
Allows defining a fixed, specific states of data for a group of tests (group-fixtures). This ensures specific environment for a given group of tests.

N/A

N/A

Generators
Supports data generators for tests. Data generators generate input data for test. The test is then run for each input data produced in this way.

N/A

N/A

Licence
Licence type governing the use and redistribution of the software

MIT License

MIT License

Mocks
Mocks are objects that simulate the behavior of real objects. Using mocks allows testing some part of the code in isolation (with other parts mocked when needed)

Yes

It has a Built-in mocking functionality on top of Erlang 'meck' library

Yes

Laravel provides helpers for mocking events, jobs, and facades out of the box or use Mockery or PHPUnit to create your own mocks or spies
Grouping
Allows organizing tests in groups

Yes

By use of context blocksand tags functions

Yes

Using the 'dusk' which command accepts any argument that is normally accepted by the PHPUnit test runner, allowing you to run the tests for a given group.
Other
Other useful information about the testing framework