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cli_disable_uncorrectable_spec.rb
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cli_disable_uncorrectable_spec.rb
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# frozen_string_literal: true
RSpec.describe RuboCop::CLI, :isolated_environment do
include_context 'cli spec behavior'
subject(:cli) { described_class.new }
describe '--disable-uncorrectable' do
let(:exit_code) do
cli.run(%w[--auto-correct --format simple --disable-uncorrectable])
end
let(:setup_long_line) do
create_file('.rubocop.yml', <<~YAML)
Style/IpAddresses:
Enabled: true
Layout/LineLength:
Max: #{max_length}
YAML
create_file('example.rb', <<~RUBY)
ip('1.2.3.4')
# last line
RUBY
end
let(:max_length) { 46 }
it 'does not disable anything for cops that support autocorrect' do
create_file('example.rb', 'puts 1==2')
expect(exit_code).to eq(0)
expect($stderr.string).to eq('')
expect($stdout.string).to eq(<<~OUTPUT)
== example.rb ==
C: 1: 1: [Corrected] Style/FrozenStringLiteralComment: Missing frozen string literal comment.
C: 1: 7: [Corrected] Layout/SpaceAroundOperators: Surrounding space missing for operator ==.
C: 2: 1: [Corrected] Layout/EmptyLineAfterMagicComment: Add an empty line after magic comments.
1 file inspected, 3 offenses detected, 3 offenses corrected
OUTPUT
expect(IO.read('example.rb')).to eq(<<~RUBY)
# frozen_string_literal: true
puts 1 == 2
RUBY
end
context 'if one one-line disable statement fits' do
it 'adds it' do
setup_long_line
expect(exit_code).to eq(0)
expect($stderr.string).to eq('')
expect($stdout.string).to eq(<<~OUTPUT)
== example.rb ==
C: 1: 1: [Corrected] Style/FrozenStringLiteralComment: Missing frozen string literal comment.
C: 1: 4: [Todo] Style/IpAddresses: Do not hardcode IP addresses.
C: 2: 1: [Corrected] Layout/EmptyLineAfterMagicComment: Add an empty line after magic comments.
1 file inspected, 3 offenses detected, 3 offenses corrected
OUTPUT
expect(IO.read('example.rb')).to eq(<<~RUBY)
# frozen_string_literal: true
ip('1.2.3.4') # rubocop:todo Style/IpAddresses
# last line
RUBY
end
it 'adds it when the cop supports autocorrect but does not correct the offense' do
create_file('example.rb', <<~RUBY)
def ordinary_method(some_arg)
puts 'Ignoring args'
end
def method_with_keyword_arg(some_keyword_arg:)
puts 'Ignoring args'
end
RUBY
expect(exit_code).to eq(0)
expect($stderr.string).to eq('')
expect($stdout.string).to eq(<<~OUTPUT)
== example.rb ==
C: 1: 1: [Corrected] Style/FrozenStringLiteralComment: Missing frozen string literal comment.
W: 1: 21: [Corrected] Lint/UnusedMethodArgument: Unused method argument - some_arg. If it's necessary, use _ or _some_arg as an argument name to indicate that it won't be used. You can also write as ordinary_method(*) if you want the method to accept any arguments but don't care about them.
C: 2: 1: [Corrected] Layout/EmptyLineAfterMagicComment: Add an empty line after magic comments.
W: 5: 29: [Todo] Lint/UnusedMethodArgument: Unused method argument - some_keyword_arg. You can also write as method_with_keyword_arg(*) if you want the method to accept any arguments but don't care about them.
1 file inspected, 4 offenses detected, 4 offenses corrected
OUTPUT
expect(IO.read('example.rb')).to eq(<<~RUBY)
# frozen_string_literal: true
def ordinary_method(_some_arg)
puts 'Ignoring args'
end
def method_with_keyword_arg(some_keyword_arg:) # rubocop:todo Lint/UnusedMethodArgument
puts 'Ignoring args'
end
RUBY
end
context 'and there are two offenses of the same kind on one line' do
it 'adds a single one-line disable statement' do
create_file('.rubocop.yml', <<~YAML)
Style/IpAddresses:
Enabled: true
YAML
create_file('example.rb', <<~RUBY)
ip('1.2.3.4', '5.6.7.8')
RUBY
expect(exit_code).to eq(0)
expect($stderr.string).to eq('')
expect($stdout.string).to eq(<<~OUTPUT)
== example.rb ==
C: 1: 1: [Corrected] Style/FrozenStringLiteralComment: Missing frozen string literal comment.
C: 1: 4: [Todo] Style/IpAddresses: Do not hardcode IP addresses.
C: 1: 15: [Todo] Style/IpAddresses: Do not hardcode IP addresses.
C: 2: 1: [Corrected] Layout/EmptyLineAfterMagicComment: Add an empty line after magic comments.
1 file inspected, 4 offenses detected, 4 offenses corrected
OUTPUT
expect(IO.read('example.rb')).to eq(<<~RUBY)
# frozen_string_literal: true
ip('1.2.3.4', '5.6.7.8') # rubocop:todo Style/IpAddresses
RUBY
end
end
context "but there are more offenses on the line and they don't all " \
'fit' do
it 'adds both one-line and before-and-after disable statements' do
create_file('example.rb', <<~RUBY)
# Chess engine.
class Chess
def choose_move(who_to_move)
legal_moves = all_legal_moves_that_dont_put_me_in_check(who_to_move)
return nil if legal_moves.empty?
mating_move = checkmating_move(legal_moves)
return mating_move if mating_move
best_moves = checking_moves(legal_moves)
best_moves = castling_moves(legal_moves) if best_moves.empty?
best_moves = taking_moves(legal_moves) if best_moves.empty?
best_moves = legal_moves if best_moves.empty?
best_moves = remove_dangerous_moves(best_moves, who_to_move)
best_moves = legal_moves if best_moves.empty?
best_moves.sample
end
end
RUBY
create_file('.rubocop.yml', <<~YAML)
Metrics/AbcSize:
Max: 15
Metrics/CyclomaticComplexity:
Max: 6
YAML
expect(exit_code).to eq(0)
expect($stderr.string).to eq('')
expect($stdout.string).to eq(<<~OUTPUT)
== example.rb ==
C: 1: 1: [Corrected] Style/FrozenStringLiteralComment: Missing frozen string literal comment.
C: 2: 1: [Corrected] Layout/EmptyLineAfterMagicComment: Add an empty line after magic comments.
C: 3: 3: [Todo] Metrics/AbcSize: Assignment Branch Condition size for choose_move is too high. [<8, 12, 6> 15.62/15]
C: 3: 3: [Todo] Metrics/CyclomaticComplexity: Cyclomatic complexity for choose_move is too high. [7/6]
C: 3: 3: [Todo] Metrics/MethodLength: Method has too many lines. [11/10]
C: 4: 3: [Todo] Metrics/AbcSize: Assignment Branch Condition size for choose_move is too high. [<8, 12, 6> 15.62/15]
C: 4: 3: [Todo] Metrics/MethodLength: Method has too many lines. [11/10]
C: 4: 32: [Corrected] Style/DoubleCopDisableDirective: More than one disable comment on one line.
1 file inspected, 8 offenses detected, 8 offenses corrected
OUTPUT
expect(IO.read('example.rb')).to eq(<<~RUBY)
# frozen_string_literal: true
# Chess engine.
class Chess
# rubocop:todo Metrics/MethodLength
# rubocop:todo Metrics/AbcSize
def choose_move(who_to_move) # rubocop:todo Metrics/CyclomaticComplexity
legal_moves = all_legal_moves_that_dont_put_me_in_check(who_to_move)
return nil if legal_moves.empty?
mating_move = checkmating_move(legal_moves)
return mating_move if mating_move
best_moves = checking_moves(legal_moves)
best_moves = castling_moves(legal_moves) if best_moves.empty?
best_moves = taking_moves(legal_moves) if best_moves.empty?
best_moves = legal_moves if best_moves.empty?
best_moves = remove_dangerous_moves(best_moves, who_to_move)
best_moves = legal_moves if best_moves.empty?
best_moves.sample
end
# rubocop:enable Metrics/AbcSize
# rubocop:enable Metrics/MethodLength
end
RUBY
end
end
end
context "if a one-line disable statement doesn't fit" do
let(:max_length) { super() - 1 }
it 'adds before-and-after disable statement' do
setup_long_line
expect(exit_code).to eq(0)
expect($stderr.string).to eq('')
expect($stdout.string).to eq(<<~OUTPUT)
== example.rb ==
C: 1: 1: [Corrected] Style/FrozenStringLiteralComment: Missing frozen string literal comment.
C: 1: 4: [Todo] Style/IpAddresses: Do not hardcode IP addresses.
C: 2: 1: [Corrected] Layout/EmptyLineAfterMagicComment: Add an empty line after magic comments.
1 file inspected, 3 offenses detected, 3 offenses corrected
OUTPUT
expect(IO.read('example.rb')).to eq(<<~RUBY)
# frozen_string_literal: true
# rubocop:todo Style/IpAddresses
ip('1.2.3.4')
# rubocop:enable Style/IpAddresses
# last line
RUBY
end
end
end
end