class RuboCop::Cop::RSpec::RepeatedDescription


end
end
# …
it ‘is valid’, :flag do
end
# …
it ‘is valid’ do
RSpec.describe User do
# good
end
end
# …
it ‘is valid when last name only is present’ do
end
# …
it ‘is valid when first and last name are present’ do
RSpec.describe User do
# good
end
end
# …
it ‘is valid’ do
end
# …
it ‘is valid’ do
RSpec.describe User do
# bad
@example
Check for repeated description strings in example groups.

def example_signature(example) 

def example_signature(example)
  [example.metadata, example.doc_string]
end

def its_signature(example) 

def its_signature(example)
  [example.doc_string, example]
end

def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler

rubocop:disable InternalAffairs/NumblockHandler 
def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
  return unless example_group?(node)
  repeated_descriptions(node).each do |description|
    add_offense(description)
  end
  repeated_its(node).each do |its|
    add_offense(its)
  end
end

def repeated_descriptions(node)

Select examples in the current scope with repeated description strings 
def repeated_descriptions(node)
  grouped_examples =
    RuboCop::RSpec::ExampleGroup.new(node)
      .examples
      .reject { |n| n.definition.method?(:its) }
      .group_by { |example| example_signature(example) }
  grouped_examples
    .select { |signatures, group| signatures.any? && group.size > 1 }
    .values
    .flatten
    .map(&:definition)
end

def repeated_its(node) 

def repeated_its(node)
  grouped_its =
    RuboCop::RSpec::ExampleGroup.new(node)
      .examples
      .select { |n| n.definition.method?(:its) }
      .group_by { |example| its_signature(example) }
  grouped_its
    .select { |signatures, group| signatures.any? && group.size > 1 }
    .values
    .flatten
    .map(&:to_node)
end