JezK
Edit File: test_rake_extension.rb
require File.expand_path('../helper', __FILE__) require 'stringio' class TestRakeExtension < Rake::TestCase module Redirect def error_redirect old_err = $stderr result = StringIO.new $stderr = result yield result ensure $stderr = old_err end end class Sample extend Redirect def duplicate_method :original end OK_ERRS = error_redirect do rake_extension("a") do def ok_method end end end DUP_ERRS = error_redirect do rake_extension("duplicate_method") do def duplicate_method :override end end end end def test_methods_actually_exist sample = Sample.new sample.ok_method sample.duplicate_method end def test_no_warning_when_defining_ok_method assert_equal "", Sample::OK_ERRS.string end def test_extension_complains_when_a_method_that_is_present assert_match(/warning:/i, Sample::DUP_ERRS.string) assert_match(/already exists/i, Sample::DUP_ERRS.string) assert_match(/duplicate_method/i, Sample::DUP_ERRS.string) assert_equal :original, Sample.new.duplicate_method end end