Created
January 28, 2013 22:56
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For testing io stdin and stdout interaction.
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| module SpecHelper | |
| def local_io(in_str) | |
| old_stdin, old_stdout = $stdin, $stdout | |
| $stdin = StringIO.new(in_str) | |
| $stdout = StringIO.new | |
| yield | |
| $stdout.string | |
| ensure | |
| $stdin, $stdout = old_stdin, old_stdout | |
| end | |
| end | |
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