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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Minitest
# Enforces the test to use `assert(actual)` instead of using `assert_equal(true, actual)`.
#
# @example
# # bad
# assert_equal(true, actual)
# assert_equal(true, actual, 'message')
#
# # good
# assert(actual)
# assert(actual, 'message')
#
class AssertTruthy < Base
include ArgumentRangeHelper
extend AutoCorrector
MSG = 'Prefer using `assert(%<arguments>s)`.'
RESTRICT_ON_SEND = %i[assert_equal].freeze
def_node_matcher :assert_equal_with_truthy, <<~PATTERN
(send nil? :assert_equal true $_ $...)
PATTERN
def on_send(node)
assert_equal_with_truthy(node) do |actual, rest_receiver_arg|
message = rest_receiver_arg.first
arguments = [actual.source, message&.source].compact.join(', ')
add_offense(node, message: format(MSG, arguments: arguments)) do |corrector|
corrector.replace(node.loc.selector, 'assert')
corrector.replace(first_and_second_arguments_range(node), actual.source)
end
end
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems