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Contents
# frozen_string_literal: true
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 < Base
MSG = "Don't use `be` without an argument."
RESTRICT_ON_SEND = Runners.all
# @!method be_without_args(node)
def_node_matcher :be_without_args, <<-PATTERN
(send _ #Runners.all $(send nil? :be))
PATTERN
def on_send(node)
be_without_args(node) do |matcher|
add_offense(matcher.loc.selector)
end
end
end
end
end
end
Version data entries
20 entries across 20 versions & 4 rubygems