The Cucumber Book, 2nd Edition

Interacting with User Input

Sometimes a command-line application needs to ask the user a question. Aruba supports this, allowing you to write scenarios that include a user responding to requests for information from the command-line application. We’ve been getting feedback from user testing of our calculator that a significant number of our users want to be able to perform additions without saving them to a file first. Let’s write another scenario to describe that use case:

command_line_applications/09/features/adding.feature

Scenario: Add two numbers interactively
  When the calculator is run with no input
  And I enter the calculation "2+2"
  Then the output should be "4"

Run cucumber to generate the new step definition snippets, and ...