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Fix an error for Rails/NegateInclude when there is no receiver #920

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merged 1 commit into from
Jan 24, 2023

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fatkodima
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This PR fixes an error when there is no receiver. And handles the case when it is used within exclude? method (because correcting would cause infinite recursion).

Example from rails: https://github.com/rails/rails/blob/d75fdd1c2f6002d62e5ecf65dda2942065f071f0/activesupport/lib/active_support/core_ext/string/exclude.rb#L10-L12

private

def within_exclude_method?(node)
def_node = node.each_ancestor(:def, :defs).first
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Can you add a test for :defs?

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Added.

def self.foo
!include?(2)
^^^^^^^^^^^^ Use `.exclude?` and remove the negation part.
end
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That's what I noticed after reconsidering. It looks better to allow if there is no receiver because there may be user-defined include?, which may not have exclude?.

And can you separate the tests for def and defs?

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Updated to not raise an offense when there is no receiver. Now this PR is tiny 👍.
And that was actually an overkill from my side to detect cases like !include? inside def exclude?.

@koic koic merged commit 0449e6d into rubocop:master Jan 24, 2023
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koic commented Jan 24, 2023

Great! Thank you!

@fatkodima fatkodima deleted the negate_include-no-receiver branch January 24, 2023 16:56
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2 participants