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from __future__ import nested_scopes
import unittest
import sys
sys.path.insert(1, "..")
from rpy import *
class DummyOut:
def write(self, *args, **kwds):
pass
class IOTestCase(unittest.TestCase):
def setUp(self):
sys.stdout = sys.stderr = DummyOut()
def tearDown(self):
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
# reset i/o defaults
set_rpy_output(rpy_io.rpy_output)
set_rpy_input(rpy_io.rpy_input)
def testIOstdin(self):
def dummy(prompt, n):
return prompt+'\n'
set_rpy_input(dummy)
self.failUnless(r.readline('foo') == 'foo')
def testIOstdout(self):
out = []
def dummy(s):
out.append(s)
set_rpy_output(dummy)
r.print_(5)
self.failUnless(out == ['[1]', ' 5', '\n'])
def testIOshowfiles(self):
if sys.platform != 'win32':
out = []
def dummy(files, headers, title, delete):
out.append('foo')
print "Names curently defined"
dir()
set_rpy_showfiles(dummy)
r.help()
self.failUnless(out == ['foo'])
def testIOstdoutException(self):
def stdout(s):
raise Exception
set_rpy_output(stdout)
self.assert_(r.print_(5))
def testIOstdinException(self):
def stdin(prompt, n):
raise Exception
set_rpy_input(stdin)
self.assert_(r.readline() == '')
def testIOshowfilesException(self):
if sys.platform != 'win32':
def showfiles(files, headers, title, delete):
raise Exception
set_rpy_showfiles(showfiles)
self.assert_(r.help() == None)
if __name__ == '__main__':
unittest.main()
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