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Testing / Cucumber Interview Questions

What is a Background section in a Cucumber feature file?

A Background section contains steps that run before every scenario in a feature file, used to factor out setup steps that would otherwise be repeated identically at the top of each scenario.

Feature: order management

  Background:
    Given the catalog contains a product "Widget" priced at 9.99
    And a customer "alice" is logged in

  Scenario: adding a product to the cart
    When "alice" adds "Widget" to her cart
    Then the cart should contain 1 item

  Scenario: removing a product from the cart
    Given "alice" has added "Widget" to her cart
    When "alice" removes "Widget" from her cart
    Then the cart should be empty

Because the Background re-runs fresh before each individual scenario rather than once for the whole file, every scenario starts from the exact same known state, avoiding the kind of ordering-dependent bugs that can creep in if setup were only performed once and scenarios relied on leftover state from whichever scenario happened to run before them.

A Background section's steps execute:
A benefit of Background running fresh before each scenario is:

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