|
|
# encoding: utf-8
|
|
|
"""Tests for io.py"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2008 The IPython Development Team
|
|
|
#
|
|
|
# Distributed under the terms of the BSD License. The full license is in
|
|
|
# the file COPYING, distributed as part of this software.
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
import sys
|
|
|
|
|
|
from cStringIO import StringIO
|
|
|
|
|
|
import nose.tools as nt
|
|
|
|
|
|
from IPython.testing import decorators as dec
|
|
|
from IPython.utils.io import Tee
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Tests
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
def test_tee_simple():
|
|
|
"Very simple check with stdout only"
|
|
|
chan = StringIO()
|
|
|
text = 'Hello'
|
|
|
tee = Tee(chan, channel='stdout')
|
|
|
print >> chan, text,
|
|
|
nt.assert_equal(chan.getvalue(), text)
|
|
|
|
|
|
|
|
|
class TeeTestCase(dec.ParametricTestCase):
|
|
|
|
|
|
def tchan(self, channel, check='close'):
|
|
|
trap = StringIO()
|
|
|
chan = StringIO()
|
|
|
text = 'Hello'
|
|
|
|
|
|
std_ori = getattr(sys, channel)
|
|
|
setattr(sys, channel, trap)
|
|
|
|
|
|
tee = Tee(chan, channel=channel)
|
|
|
print >> chan, text,
|
|
|
setattr(sys, channel, std_ori)
|
|
|
trap_val = trap.getvalue()
|
|
|
nt.assert_equals(chan.getvalue(), text)
|
|
|
if check=='close':
|
|
|
tee.close()
|
|
|
else:
|
|
|
del tee
|
|
|
|
|
|
def test(self):
|
|
|
for chan in ['stdout', 'stderr']:
|
|
|
for check in ['close', 'del']:
|
|
|
yield self.tchan(chan, check)
|
|
|
|
