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require 'rspec/support/ruby_features'
module RSpec
module Support
describe OS do
describe ".windows?" do
%w[cygwin mswin mingw bccwin wince emx].each do |fragment|
it "returns true when host os is #{fragment}" do
stub_const("RbConfig::CONFIG", 'host_os' => fragment)
expect(OS.windows?).to be true
end
end
%w[darwin linux].each do |fragment|
it "returns false when host os is #{fragment}" do
stub_const("RbConfig::CONFIG", 'host_os' => fragment)
expect(OS.windows?).to be false
end
end
end
describe ".windows_file_path?" do
it "returns true when the file alt seperator is a colon" do
stub_const("File::ALT_SEPARATOR", "\\") unless OS.windows?
expect(OS).to be_windows_file_path
end
it "returns false when file alt seperator is not present" do
stub_const("File::ALT_SEPARATOR", nil) if OS.windows?
expect(OS).to_not be_windows_file_path
end
end
end
describe Ruby do
specify "jruby? reflects the state of RUBY_PLATFORM" do
stub_const("RUBY_PLATFORM", "java")
expect(Ruby).to be_jruby
stub_const("RUBY_PLATFORM", "")
expect(Ruby).to_not be_jruby
end
specify "rbx? reflects the state of RUBY_ENGINE" do
stub_const("RUBY_ENGINE", "rbx")
expect(Ruby).to be_rbx
hide_const("RUBY_ENGINE")
expect(Ruby).to_not be_rbx
end
specify "rbx? reflects the state of RUBY_ENGINE" do
hide_const("RUBY_ENGINE")
expect(Ruby).to be_mri
stub_const("RUBY_ENGINE", "ruby")
expect(Ruby).to be_mri
stub_const("RUBY_ENGINE", "rbx")
expect(Ruby).to_not be_mri
end
end
describe RubyFeatures do
specify "#supports_exception_cause? exists" do
RubyFeatures.supports_exception_cause?
end
specify "#kw_args_supported? exists" do
RubyFeatures.kw_args_supported?
end
specify "#required_kw_args_supported? exists" do
RubyFeatures.required_kw_args_supported?
end
specify "#supports_rebinding_module_methods? exists" do
RubyFeatures.supports_rebinding_module_methods?
end
specify "#caller_locations_supported? exists" do
RubyFeatures.caller_locations_supported?
if Ruby.mri?
expect(RubyFeatures.caller_locations_supported?).to eq(RUBY_VERSION >= '2.0.0')
end
end
describe "#ripper_supported?" do
it 'does not load Ripper' do
expect { RubyFeatures.ripper_supported? }.not_to change { defined?(::Ripper) }
end
describe 'Ripper' do
let(:line_number) do
token = tokens.first
location = token.first
location.first
end
let(:tokens) do
require 'ripper'
::Ripper.lex('foo')
end
if Ruby.mri?
context 'on MRI' do
context '1.8.x', :if => RUBY_VERSION.start_with?('1.8.') do
it 'is not supported' do
expect { tokens }.to raise_error(LoadError)
end
end
context '1.9.x or later', :if => RUBY_VERSION >= '1.9' do
it 'is supported' do
expect(line_number).to eq(1)
end
end
end
end
if Ruby.jruby?
context 'on JRuby' do
context '1.7.x', :if => JRUBY_VERSION.start_with?('1.7.') do
context 'in 1.8 mode', :if => RUBY_VERSION.start_with?('1.8.') do
it 'is not supported' do
expect { tokens }.to raise_error(NameError)
end
end
context 'in non 1.8 mode', :unless => RUBY_VERSION.start_with?('1.8.') do
it 'is supported' do
expect(line_number).to eq(1)
end
end
end
context '9.x.x.x', :if => JRUBY_VERSION.start_with?('9.') do
it 'reports wrong line number' do
expect(line_number).to eq(2)
end
end
end
end
end
end
end
end
end
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