Contents

# encoding: utf-8

require 'spec_helper'

describe Rubocop::Cop::Style::SpecialGlobalVars do
  subject(:cop) { described_class.new }

  it 'registers an offense for $:' do
    inspect_source(cop, ['puts $:'])
    expect(cop.offenses.size).to eq(1)
    expect(cop.messages)
      .to eq(['Prefer $LOAD_PATH over $:.'])
  end

  it 'registers an offense for $"' do
    inspect_source(cop, ['puts $"'])
    expect(cop.offenses.size).to eq(1)
    expect(cop.messages)
      .to eq(['Prefer $LOADED_FEATURES over $".'])
  end

  it 'registers an offense for $0' do
    inspect_source(cop, ['puts $0'])
    expect(cop.offenses.size).to eq(1)
    expect(cop.messages)
      .to eq(['Prefer $PROGRAM_NAME over $0.'])
  end

  it 'registers an offense for $$' do
    inspect_source(cop, ['puts $$'])
    expect(cop.offenses.size).to eq(1)
    expect(cop.messages)
      .to eq(['Prefer $PROCESS_ID or $PID from the English library over $$.'])
  end

  it 'is clear about variables from the English library vs those not' do
    inspect_source(cop, ['puts $*'])
    expect(cop.messages)
      .to eq(['Prefer $ARGV from the English library, or ARGV over $*.'])
  end

  it 'does not register an offense for backrefs like $1' do
    inspect_source(cop, ['puts $1'])
    expect(cop.offenses).to be_empty
  end

  it 'auto-corrects $: to $LOAD_PATH' do
    new_source = autocorrect_source(cop, '$:')
    expect(new_source).to eq('$LOAD_PATH')
  end

  it 'auto-corrects $/ to $INPUT_RECORD_SEPARATOR' do
    new_source = autocorrect_source(cop, '$/')
    expect(new_source).to eq('$INPUT_RECORD_SEPARATOR')
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rubocop-0.19.1	spec/rubocop/cop/style/special_global_vars_spec.rb
rubocop-0.19.0	spec/rubocop/cop/style/special_global_vars_spec.rb