forked from rubocop/rubocop
/
empty_lines_around_exception_handling_keywords_spec.rb
253 lines (199 loc) · 4.29 KB
/
empty_lines_around_exception_handling_keywords_spec.rb
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# frozen_string_literal: true
RSpec.describe RuboCop::Cop::Layout::EmptyLinesAroundExceptionHandlingKeywords, :config do
let(:message) { '^{} Extra empty line detected' }
shared_examples 'accepts' do |name, code|
it "accepts #{name}" do
expect_no_offenses(code)
end
end
it 'registers an offense for above rescue keyword with a blank' do
expect_offense(<<~RUBY)
begin
f1
#{message} before the `rescue`.
rescue
f2
end
RUBY
expect_correction(<<~RUBY)
begin
f1
rescue
f2
end
RUBY
end
it 'registers an offense for rescue section starting with a blank' do
expect_offense(<<~RUBY)
begin
f1
rescue
#{message} after the `rescue`.
f2
end
RUBY
expect_correction(<<~RUBY)
begin
f1
rescue
f2
end
RUBY
end
it 'registers an offense for rescue section ending with a blank' do
expect_offense(<<~RUBY)
begin
f1
rescue
f2
#{message} before the `else`.
else
f3
end
RUBY
expect_correction(<<~RUBY)
begin
f1
rescue
f2
else
f3
end
RUBY
end
it 'registers an offense for rescue section ending for method definition a blank' do
expect_offense(<<~RUBY)
def foo
f1
rescue
f2
#{message} before the `else`.
else
f3
end
RUBY
expect_correction(<<~RUBY)
def foo
f1
rescue
f2
else
f3
end
RUBY
end
include_examples 'accepts', 'no empty line', <<~RUBY
begin
f1
rescue
f2
else
f3
ensure
f4
end
RUBY
include_examples 'accepts', 'empty lines around begin body', <<~RUBY
begin
f1
end
RUBY
include_examples 'accepts', 'empty begin', <<~RUBY
begin
end
RUBY
include_examples 'accepts', 'empty method definition', <<~RUBY
def foo
end
RUBY
include_examples 'accepts', '`begin` and `rescue` are on the same line', <<~RUBY
begin; foo; rescue => e; end
RUBY
include_examples 'accepts', '`def` and `rescue` are on the same line', <<~RUBY
def do_something; foo; rescue => e; end
RUBY
it 'with complex begin-end - registers many offenses' do
expect_offense(<<~RUBY)
begin
do_something1
#{message} before the `rescue`.
rescue RuntimeError
#{message} after the `rescue`.
do_something2
#{message} before the `rescue`.
rescue ArgumentError => ex
#{message} after the `rescue`.
do_something3
#{message} before the `rescue`.
rescue
#{message} after the `rescue`.
do_something3
#{message} before the `else`.
else
#{message} after the `else`.
do_something4
#{message} before the `ensure`.
ensure
#{message} after the `ensure`.
do_something4
end
RUBY
expect_correction(<<~RUBY)
begin
do_something1
rescue RuntimeError
do_something2
rescue ArgumentError => ex
do_something3
rescue
do_something3
else
do_something4
ensure
do_something4
end
RUBY
end
it 'with complex method definition - registers many offenses' do
expect_offense(<<~RUBY)
def foo
do_something1
#{message} before the `rescue`.
rescue RuntimeError
#{message} after the `rescue`.
do_something2
#{message} before the `rescue`.
rescue ArgumentError => ex
#{message} after the `rescue`.
do_something3
#{message} before the `rescue`.
rescue
#{message} after the `rescue`.
do_something3
#{message} before the `else`.
else
#{message} after the `else`.
do_something4
#{message} before the `ensure`.
ensure
#{message} after the `ensure`.
do_something4
end
RUBY
expect_correction(<<~RUBY)
def foo
do_something1
rescue RuntimeError
do_something2
rescue ArgumentError => ex
do_something3
rescue
do_something3
else
do_something4
ensure
do_something4
end
RUBY
end
end