# encoding: utf-8 require 'spec_helper' describe Rubocop::Cop::Style::NumericLiterals, :config do subject(:cop) { described_class.new(config) } let(:cop_config) { { 'MinDigits' => 5 } } it 'registers an offense for a long undelimited integer' do inspect_source(cop, ['a = 12345']) expect(cop.offenses.size).to eq(1) expect(cop.config_to_allow_offenses).to eq('MinDigits' => 6) end it 'registers an offense for a float with a long undelimited integer part' do inspect_source(cop, ['a = 123456.789']) expect(cop.offenses.size).to eq(1) expect(cop.config_to_allow_offenses).to eq('MinDigits' => 7) end it 'registers an offense for an integer with misplaced underscore' do inspect_source(cop, ['a = 123_456_78_90_00']) expect(cop.offenses.size).to eq(1) expect(cop.config_to_allow_offenses).to eq('Enabled' => false) end it 'accepts long numbers with underscore' do inspect_source(cop, ['a = 123_456', 'b = 123_456.55']) expect(cop.messages).to be_empty end it 'accepts a short integer without underscore' do inspect_source(cop, ['a = 123']) expect(cop.messages).to be_empty end it 'does not count a leading minus sign as a digit' do inspect_source(cop, ['a = -1230']) expect(cop.messages).to be_empty end it 'accepts short numbers without underscore' do inspect_source(cop, ['a = 123', 'b = 123.456']) expect(cop.messages).to be_empty end it 'ignores non-decimal literals' do inspect_source(cop, ['a = 0b1010101010101', 'b = 01717171717171', 'c = 0xab11111111bb']) expect(cop.offenses).to be_empty end it 'autocorrects a long integer offense' do corrected = autocorrect_source(cop, ['a = 123456']) expect(corrected).to eq 'a = 123_456' end it 'autocorrects an integer with misplaced underscore' do corrected = autocorrect_source(cop, ['a = 123_456_78_90_00']) expect(corrected).to eq 'a = 123_456_789_000' end it 'autocorrects negative numbers' do corrected = autocorrect_source(cop, ['a = -123456']) expect(corrected).to eq 'a = -123_456' end end