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Contents
module RuboCop
module Cop
module RSpec
# Check for repeated examples within example groups.
#
# @example
#
# it 'is valid' do
# expect(user).to be_valid
# end
#
# it 'validates the user' do
# expect(user).to be_valid
# end
#
class RepeatedExample < Cop
MSG = "Don't repeat examples within an example group.".freeze
def on_block(node)
return unless example_group?(node)
repeated_examples(node).each do |repeated_example|
add_offense(repeated_example, location: :expression)
end
end
private
def repeated_examples(node)
RuboCop::RSpec::ExampleGroup.new(node)
.examples
.group_by { |example| example_signature(example) }
.values
.reject(&:one?)
.flatten
.map(&:to_node)
end
def example_signature(example)
key_parts = [example.metadata, example.implementation]
if example.definition.method_name == :its
key_parts << example.definition.arguments
end
key_parts
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems