Module: Test::Unit::Util::Output
Relationships & Source Files | |
Extension / Inclusion / Inheritance Descendants | |
Included In:
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Defined in: | lib/test/unit/util/output.rb |
Instance Method Summary
-
#capture_output
Returns output for standard output and standard error as string.
Instance Method Details
#capture_output
Returns output for standard output and standard error as string.
Example:
capture_output do
puts("stdout")
warn("stderr")
end # -> ["stdout\n", "stderr\n"]
# File 'lib/test/unit/util/output.rb', line 14
def capture_output require 'stringio' output = StringIO.new error = StringIO.new stdout_save, stderr_save = $stdout, $stderr $stdout, $stderr = output, error begin yield [output.string, error.string] ensure $stdout, $stderr = stdout_save, stderr_save end end