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# frozen_string_literal: true
require 'fast_spec_helper'
require_relative '../../../../rubocop/cop/style/regexp_literal_mixed_preserve'
# This spec contains only relevant examples.
#
# See also https://github.com/rubocop/rubocop/pull/9688
RSpec.describe RuboCop::Cop::Style::RegexpLiteralMixedPreserve, :config do
let(:config) do
supported_styles = { 'SupportedStyles' => %w[slashes percent_r mixed mixed_preserve] }
RuboCop::Config.new('Style/PercentLiteralDelimiters' =>
percent_literal_delimiters_config,
'Style/RegexpLiteralMixedPreserve' =>
cop_config.merge(supported_styles))
end
let(:percent_literal_delimiters_config) { { 'PreferredDelimiters' => { '%r' => '{}' } } }
context 'when EnforcedStyle is set to mixed_preserve' do
let(:cop_config) { { 'EnforcedStyle' => 'mixed_preserve' } }
describe 'a single-line `//` regex without slashes' do
it 'is accepted' do
expect_no_offenses('foo = /a/')
end
end
describe 'a single-line `//` regex with slashes' do
it 'registers an offense and corrects' do
expect_offense(<<~'RUBY')
foo = /home\//
^^^^^^^^ Use `%r` around regular expression.
RUBY
expect_correction(<<~'RUBY')
foo = %r{home/}
RUBY
end
describe 'when configured to allow inner slashes' do
before do
cop_config['AllowInnerSlashes'] = true
end
it 'is accepted' do
expect_no_offenses('foo = /home\\//')
end
end
end
describe 'a multi-line `//` regex without slashes' do
it 'is accepted' do
expect_no_offenses(<<~'RUBY')
foo = /
foo
bar
/x
RUBY
end
end
describe 'a multi-line `//` regex with slashes' do
it 'registers an offense and corrects' do
expect_offense(<<~'RUBY')
foo = /
^ Use `%r` around regular expression.
https?:\/\/
example\.com
/x
RUBY
expect_correction(<<~'RUBY')
foo = %r{
https?://
example\.com
}x
RUBY
end
end
describe 'a single-line %r regex without slashes' do
it 'is accepted' do
expect_no_offenses(<<~RUBY)
foo = %r{a}
RUBY
end
end
describe 'a single-line %r regex with slashes' do
it 'is accepted' do
expect_no_offenses('foo = %r{home/}')
end
describe 'when configured to allow inner slashes' do
before do
cop_config['AllowInnerSlashes'] = true
end
it 'is accepted' do
expect_no_offenses(<<~RUBY)
foo = %r{home/}
RUBY
end
end
end
describe 'a multi-line %r regex without slashes' do
it 'is accepted' do
expect_no_offenses(<<~RUBY)
foo = %r{
foo
bar
}x
RUBY
end
end
describe 'a multi-line %r regex with slashes' do
it 'is accepted' do
expect_no_offenses(<<~RUBY)
foo = %r{
https?://
example\.com
}x
RUBY
end
end
end
end
|
