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Contents
module RuboCop
module Cop
module RSpec
# Check for expectations where `be` is used without argument.
#
# The `be` matcher is too generic, as it pass on everything that is not
# nil or false. If that is the exact intend, use `be_truthy`. In all other
# cases it's better to specify what exactly is the expected value.
#
# @example
#
# # bad
# expect(foo).to be
#
# # good
# expect(foo).to be_truthy
# expect(foo).to be 1.0
# expect(foo).to be(true)
#
class Be < Cop
MSG = 'Don\'t use `be` without an argument.'.freeze
def_node_matcher :be_without_args, <<-PATTERN
(send _ {:to :not_to :to_not} $(send nil? :be))
PATTERN
def on_send(node)
be_without_args(node) do |matcher|
add_offense(matcher, location: :selector)
end
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems