lib/rubocop/cop/rspec/any_instance.rb
# frozen_string_literal: true
module RuboCop
module Cop
module RSpec
# Check that instances are not being stubbed globally.
#
# Prefer instance doubles over stubbing any instance of a class
#
# @example
# # bad
# describe MyClass do
# before { allow_any_instance_of(MyClass).to receive(:foo) }
# end
#
# # good
# describe MyClass do
# let(:my_instance) { instance_double(MyClass) }
#
# before do
# allow(MyClass).to receive(:new).and_return(my_instance)
# allow(my_instance).to receive(:foo)
# end
# end
#
class AnyInstance < Base
MSG = 'Avoid stubbing using `%<method>s`.'
RESTRICT_ON_SEND = %i[
any_instance
allow_any_instance_of
expect_any_instance_of
].freeze
def on_send(node)
add_offense(node, message: format(MSG, method: node.method_name))
end
end
end
end
end