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Capybara vs Lettuce: What are the differences?
What is Capybara? Acceptance test framework for web applications. Capybara helps you test web applications by simulating how a real user would interact with your app. It is agnostic about the driver running your tests and comes with Rack::Test and Selenium support built in. WebKit is supported through an external gem.
What is Lettuce? Behavior-driven-development tool for python, inspired by Cucumber for Ruby. It is a very simple BDD tool based on the Cucumber, which currently has many more features than Lettuce It aims the most common tasks on BDD and it focus specially on those that make BDD so fun..
Capybara and Lettuce can be primarily classified as "Testing Frameworks" tools.
Some of the features offered by Capybara are:
- No setup necessary for Rails and Rack application. Works out of the box.
- Intuitive API which mimics the language an actual user would use.
- Switch the backend your tests run against from fast headless mode to an actual browser with no changes to your tests.
On the other hand, Lettuce provides the following key features:
- Used as a command-line utility
- Features, scenarios, and steps are python objects within lettuce’s feature engine
- Language support
Capybara is an open source tool with 9.1K GitHub stars and 1.34K GitHub forks. Here's a link to Capybara's open source repository on GitHub.
Pros of Capybara
- Best acceptance test framework for Ruby on Rails apps12
- Synchronous with Rack::Test2
- Fast with Rack::Test1
Pros of Lettuce
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Cons of Capybara
- Hard to make reproducible tests when using with browser1