serve_image.feature

Feature: Serve Image
  
  The service should return placholder of requested size and category.
  Default size and default category should be used when either of them
  is not provided.
  
  Scenario: Serve image without any parameter
    Given user wants a placeholder
    When he requests the placeholder
    Then an image is returned
    And it is a default image
    And it has a default size
    
  Scenario: Serve default size with category
    Given a user wants a placeholder
    And he does specify a category A
    When he requests the placeholder
    Then an image is returned
    And it is an image from category A
    And it has a default size
    
# ....
  
  Scenario: Serve default category
    Given user requests a placeholder with a given size
    When he doesn't specifie category
    Then return default image with a default category and given size
    
  Scenario: Unsuccessful request
    Given user requests a placeholder with a given category
    When the category doesn't exist
    Then return error message