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dot_position_spec.rb
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dot_position_spec.rb
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# frozen_string_literal: true
RSpec.describe RuboCop::Cop::Layout::DotPosition, :config do
context 'Leading dots style' do
let(:cop_config) { { 'EnforcedStyle' => 'leading' } }
it 'registers an offense for trailing dot in multi-line call' do
expect_offense(<<~RUBY)
something.
^ Place the . on the next line, together with the method name.
method_name
RUBY
expect_correction(<<~RUBY)
something
.method_name
RUBY
end
it 'registers an offense for correct + opposite' do
expect_offense(<<~RUBY)
something
.method_name
something.
^ Place the . on the next line, together with the method name.
method_name
RUBY
expect_correction(<<~RUBY)
something
.method_name
something
.method_name
RUBY
end
it 'accepts leading do in multi-line method call' do
expect_no_offenses(<<~RUBY)
something
.method_name
RUBY
end
it 'does not err on method call with no dots' do
expect_no_offenses('puts something')
end
it 'does not err on method call without a method name' do
expect_offense(<<~RUBY)
l.
^ Place the . on the next line, together with the method name.
(1)
RUBY
expect_correction(<<~RUBY)
l
.(1)
RUBY
end
it 'does not err on method call on same line' do
expect_no_offenses('something.method_name')
end
context 'when there is an intervening line comment' do
it 'does not register offense' do
expect_no_offenses(<<~RUBY)
something.
# a comment here
method_name
RUBY
end
end
context 'when there is an intervening blank line' do
it 'does not register offense' do
expect_no_offenses(<<~RUBY)
something.
method_name
RUBY
end
end
context 'when using safe navigation operator' do
it 'registers an offense for correct + opposite' do
expect_offense(<<~RUBY)
something
&.method_name
something&.
^^ Place the &. on the next line, together with the method name.
method_name
RUBY
expect_correction(<<~RUBY)
something
&.method_name
something
&.method_name
RUBY
end
it 'accepts leading do in multi-line method call' do
expect_no_offenses(<<~RUBY)
something
&.method_name
RUBY
end
end
end
context 'Trailing dots style' do
let(:cop_config) { { 'EnforcedStyle' => 'trailing' } }
it 'registers an offense for leading dot in multi-line call' do
expect_offense(<<~RUBY)
something
.method_name
^ Place the . on the previous line, together with the method call receiver.
RUBY
expect_correction(<<~RUBY)
something.
method_name
RUBY
end
it 'accepts trailing dot in multi-line method call' do
expect_no_offenses(<<~RUBY)
something.
method_name
RUBY
end
it 'does not err on method call with no dots' do
expect_no_offenses('puts something')
end
it 'does not err on method call without a method name' do
expect_offense(<<~RUBY)
l
.(1)
^ Place the . on the previous line, together with the method call receiver.
RUBY
expect_correction(<<~RUBY)
l.
(1)
RUBY
end
it 'does not err on method call on same line' do
expect_no_offenses('something.method_name')
end
it 'does not get confused by several lines of chained methods' do
expect_no_offenses(<<~RUBY)
File.new(something).
readlines.map.
compact.join("\n")
RUBY
end
context 'when using safe navigation operator' do
it 'registers an offense for correct + opposite' do
expect_offense(<<~RUBY)
something
&.method_name
^^ Place the &. on the previous line, together with the method call receiver.
RUBY
expect_correction(<<~RUBY)
something&.
method_name
RUBY
end
it 'accepts trailing dot in multi-line method call' do
expect_no_offenses(<<~RUBY)
something&.
method_name
RUBY
end
end
end
end