blob: 8b49d3eac26e188766e40e91d7eabc46138d9541 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
# frozen_string_literal: true
module CustomCops
# Enforces the use of `assert_not` over `assert !`.
#
# @example
# # bad
# assert !x
# assert ! x
#
# # good
# assert_not x
#
class AssertNot < RuboCop::Cop::Cop
MSG = "Prefer `assert_not` over `assert !`"
def_node_matcher :offensive?, "(send nil? :assert (send ... :!) ...)"
def on_send(node)
add_offense(node) if offensive?(node)
end
def autocorrect(node)
expression = node.loc.expression
->(corrector) do
corrector.replace(
expression,
corrected_source(expression.source)
)
end
end
private
def corrected_source(source)
source.gsub(/^assert(\(| ) *! */, "assert_not\\1")
end
end
end
|
