require File.expand_path('../helper', __FILE__) require 'stringio' class TestTraceOutput < Rake::TestCase include Rake::TraceOutput class PrintSpy attr_reader :result, :calls def initialize @result = "" @calls = 0 end def print(string) @result << string @calls += 1 end end def test_trace_issues_single_io_for_args_with_empty_args spy = PrintSpy.new trace_on(spy) assert_equal "\n", spy.result assert_equal 1, spy.calls end def test_trace_issues_single_io_for_args_multiple_strings spy = PrintSpy.new trace_on(spy, "HI\n", "LO") assert_equal "HI\nLO\n", spy.result assert_equal 1, spy.calls end def test_trace_issues_single_io_for_args_multiple_strings_and_alternate_sep old_sep = $\ $\ = "\r" spy = PrintSpy.new trace_on(spy, "HI\r", "LO") assert_equal "HI\rLO\r", spy.result assert_equal 1, spy.calls ensure $\ = old_sep end end