JezK
Edit File: zentest_assertions.rb
require 'test/unit/assertions' ## # Extra assertions for Test::Unit module Test::Unit::Assertions has_miniunit = defined? ::Mini if has_miniunit then alias :assert_include :assert_includes alias :deny :refute alias :deny_empty :refute_empty alias :deny_equal :refute_equal alias :deny_include :refute_includes alias :deny_includes :refute_includes alias :deny_nil :refute_nil alias :util_capture :capture_io else alias :refute_nil :assert_not_nil ## # Asserts that +obj+ responds to #empty? and #empty? returns true. def assert_empty(obj) assert_respond_to obj, :empty? assert_block "#{obj.inspect} expected to be empty." do obj.empty? end end ## # Like assert_in_delta but better dealing with errors proportional # to the sizes of +a+ and +b+. def assert_in_epsilon(a, b, epsilon, message = nil) return assert(true) if a == b # count assertion error = ((a - b).to_f / ((b.abs > a.abs) ? b : a)).abs message ||= "#{a} expected to be within #{epsilon * 100}% of #{b}, was #{error}" assert_block message do error <= epsilon end end ## # Asserts that +collection+ includes +obj+. def assert_include collection, obj, msg = nil assert_respond_to collection, :include? message ||= "#{collection.inspect}\ndoes not include\n#{obj.inspect}." assert_block message do collection.include?(obj) end end alias assert_includes assert_include ## # Asserts that +boolean+ is not false or nil. def deny(boolean, message = nil) _wrap_assertion do assert_block(build_message(message, "Failed refutation, no message given.")) { not boolean } end end ## # Asserts that +obj+ responds to #empty? and #empty? returns false. def deny_empty(obj) assert_respond_to obj, :empty? assert_block "#{obj.inspect} expected to have stuff." do !obj.empty? end end ## # Alias for assert_not_equal alias deny_equal assert_not_equal # rescue nil # rescue for miniunit ## # Asserts that +obj+ responds to #include? and that obj does not include # +item+. def deny_include(collection, obj, message = nil) assert_respond_to collection, :include? message ||= "#{collection.inspect} includes #{obj.inspect}." assert_block message do !collection.include? obj end end alias deny_includes deny_include ## # Asserts that +obj+ is not nil. alias deny_nil assert_not_nil ## # Captures $stdout and $stderr to StringIO objects and returns them. # Restores $stdout and $stderr when done. # # Usage: # def test_puts # out, err = capture do # puts 'hi' # STDERR.puts 'bye!' # end # assert_equal "hi\n", out.string # assert_equal "bye!\n", err.string # end def util_capture require 'stringio' orig_stdout = $stdout.dup orig_stderr = $stderr.dup captured_stdout = StringIO.new captured_stderr = StringIO.new $stdout = captured_stdout $stderr = captured_stderr yield captured_stdout.rewind captured_stderr.rewind return captured_stdout.string, captured_stderr.string ensure $stdout = orig_stdout $stderr = orig_stderr end end end class Object # :nodoc: unless respond_to? :path2class then def path2class(path) # :nodoc: path.split('::').inject(Object) { |k,n| k.const_get n } end end end