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Versions: 9
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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module RSpec
# This cop checks void `expect()`.
#
# @example
# # bad
# expect(something)
#
# # good
# expect(something).to be(1)
class VoidExpect < Base
MSG = 'Do not use `expect()` without `.to` or `.not_to`. ' \
'Chain the methods or remove it.'
def_node_matcher :expect?, <<-PATTERN
(send nil? :expect ...)
PATTERN
def_node_matcher :expect_block?, <<-PATTERN
(block #expect? (args) _body)
PATTERN
def on_send(node)
return unless expect?(node)
check_expect(node)
end
def on_block(node)
return unless expect_block?(node)
check_expect(node)
end
private
def check_expect(node)
return unless void?(node)
add_offense(node)
end
def void?(expect)
parent = expect.parent
return true unless parent
return true if parent.begin_type?
return true if parent.block_type? && parent.body == expect
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems