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Fix an incorrect autocorrect for Minitest/AssertMatch #181

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@koic koic commented Sep 6, 2022

This PR fixes an incorrect autocorrect for Minitest/AssertMatch when assert with match and RHS is a regexp literal.

A regular expression literal must be the first argument to assert_match. TypeError: no implicit conversion of Regexp into String will occur if it is passed as the second argument.

assert_match(object, /regexp/) #=> TypeError: no implicit conversion of Regexp into String

This issue was found on faker-ruby/faker#2556.


Before submitting the PR make sure the following are checked:

  • The PR relates to only one subject with a clear title and description in grammatically correct, complete sentences.
  • Wrote good commit messages.
  • Commit message starts with [Fix #issue-number] (if the related issue exists).
  • Feature branch is up-to-date with master (if not - rebase it).
  • Squashed related commits together.
  • Added tests.
  • Ran bundle exec rake default. It executes all tests and runs RuboCop on its own code.
  • Added an entry (file) to the changelog folder named {change_type}_{change_description}.md if the new code introduces user-observable changes. See changelog entry format for details.

This PR fixes an incorrect autocorrect for `Minitest/AssertMatch`
when `assert` with `match` and RHS is a regexp literal.

A regular expression literal must be the first argument to `assert_match`.
`TypeError: no implicit conversion of Regexp into String` will occur if it is
passed as the second argument.

```ruby
assert_match(object, /regexp/) #=> TypeError: no implicit conversion of Regexp into String
```

This issue was found on faker-ruby/faker#2556.
@koic koic merged commit b31f52c into rubocop:master Sep 8, 2022
@koic koic deleted the fix_an_incorrect_autocorrect_for_minitest_assert_match branch September 8, 2022 04:05
koic added a commit to koic/rubocop-minitest that referenced this pull request Sep 27, 2022
Follow up rubocop#181 and rubocop#184.

This PR fixes an incorrect autocorrect for `Minitest/AssertMatch`
when `refute` with `match` and RHS is a regexp literal.

A regular expression literal must be the first argument to `refute_match`.
`TypeError: no implicit conversion of Regexp into String` will occur if it is
passed as the second argument.

```ruby
refute_match(object, /regexp/) #=> TypeError: no implicit conversion of Regexp into String
```
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