cucumber/cucumber-ruby-core

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lib/cucumber/core/event_bus.rb

Summary

Maintainability
A
25 mins
Test Coverage

Method validate_handler_and_event_id! has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

      def validate_handler_and_event_id!(handler, event_id)
        raise ArgumentError, "Please pass either an object or a handler block" unless handler
        raise ArgumentError, "Please use a symbol for the event_id" unless event_id.is_a?(Symbol)
        raise ArgumentError, "Event ID #{event_id} is not recognised. Try one of these:\n#{event_types.keys.join("\n")}" unless is_registered_id?(event_id)
      end
Severity: Minor
Found in lib/cucumber/core/event_bus.rb - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

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