# File lib/rscm/difftool.rb, line 9
 9:     def assert_equal_with_diff(expected, actual, message="", temp_basedir=File.dirname(__FILE__) + "/../../target")
10:       diff(expected, actual, temp_basedir) do |diff_io, cmd|
11:         diff_string = diff_io.read
12:         if(diff_string.strip != "")
13:           flunk "#{message}\nThere were differences\ndiff command: #{cmd}\ndiff:\n#{diff_string}"
14:         end
15:       end
16:     end

    # File lib/rscm/difftool.rb, line 19
19:     def diff(expected, actual, temp_basedir, &block)
20:       dir = RSCM.new_temp_dir("diff", temp_basedir)
21: 
22:       expected_file = nil
23:       if(File.exist?(expected))
24:         expected_file = expected
25:       else
26:         expected_file = "#{dir}/expected"
27:         File.open(expected_file, "w") {|io| io.write(expected)}
28:       end
29: 
30:       actual_file = "#{dir}/actual"
31:       File.open(actual_file, "w") {|io| io.write(actual)}
32: 
33:       difftool = WINDOWS ? File.dirname(__FILE__) + "/../../bin/diff.exe" : "diff"
34:       e = RSCM::PathConverter.filepath_to_nativepath(expected_file, false)
35:       a = RSCM::PathConverter.filepath_to_nativepath(actual_file, false)
36:       cmd = "#{difftool} --ignore-space-change #{e} #{a}"
37:       IO.popen(cmd) do |io|
38:         yield io, cmd
39:       end
40:     end