Posted 13 days ago. Visible to the public.

Cucumber: How to find unused step definitions

Cucumber has an output format that prints step definitions only. You can use this to find unused ones:

  1. Temporarily add require_relative 'env' to the top of the first file in features/support. --dry-run makes Cucumber skip loading env.rb.
  2. Open a really wide terminal window.
  3. bundle exec cucumber --dry-run --format stepdefs | grep -B1 'NOT MATCHED' --no-group-separator | grep features/step_definitions

This will print all unused step definitions from your project – however, the result will include false positives. Steps that are exclusively called from other steps will be in the list. Assure a step is not used before removing it.

If you remove the --dry-run flag, all tests will actually run and you can skip adding the require_relative line. It will take much longer, but provide more accurate results.

Once an application no longer requires constant development, it needs periodic maintenance for stable and secure operation. makandra offers monthly maintenance contracts that let you focus on your business while we make sure the lights stay on.

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Dominik Schöler
Last edit:
13 days ago
by Dominik Schöler
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We are makandra and do test-driven, agile Ruby on Rails software development.
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Posted by Dominik Schöler to makandra dev
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