behat:tldr:83159

The command "behat" is used to run Behat, which is a popular open-source behavior-driven development (BDD) framework for automating tests written in a human-readable language.

Behat allows you to define test scenarios in a language called Gherkin, which uses keywords like "Given," "When," and "Then" to describe the expected behavior of your application. These scenarios are then translated into executable tests.

When you run the "behat" command, it looks for a configuration file named "behat.yml" in the current directory (or specified using the "-c" option). This configuration file contains various settings, such as the location of your feature files and test suites.

Once Behat is executed, it reads the feature files (*.feature) and executes the corresponding step definitions written in the programming language of your choice (usually PHP). These step definitions define the actions and assertions required to fulfill the behaviors described in the feature files.

The output of Behat includes a detailed report highlighting which steps have passed, failed, or are pending. It provides useful feedback to developers and serves as a documentation of the expected behavior of the application.

Overall, by running the "behat" command, you can automate the testing process, ensure that your application behaves as expected, and catch any potential bugs or issues early in the development cycle.