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# encoding: utf-8
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"""This file contains unittests for the shell.py module."""
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__docformat__ = "restructuredtext en"
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#-------------------------------------------------------------------------------
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# Copyright (C) 2008 The IPython Development Team
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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# Imports
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#-------------------------------------------------------------------------------
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import zope.interface as zi
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from twisted.trial import unittest
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from IPython.testutils.util import DeferredTestCase
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from IPython.kernel.newserialized import \
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ISerialized, \
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IUnSerialized, \
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Serialized, \
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UnSerialized, \
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SerializeIt, \
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UnSerializeIt
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#-------------------------------------------------------------------------------
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# Tests
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#-------------------------------------------------------------------------------
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class SerializedTestCase(unittest.TestCase):
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def setUp(self):
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pass
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def tearDown(self):
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pass
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def testSerializedInterfaces(self):
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us = UnSerialized({'a':10, 'b':range(10)})
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s = ISerialized(us)
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uss = IUnSerialized(s)
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self.assert_(ISerialized.providedBy(s))
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self.assert_(IUnSerialized.providedBy(us))
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self.assert_(IUnSerialized.providedBy(uss))
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for m in list(ISerialized):
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self.assert_(hasattr(s, m))
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for m in list(IUnSerialized):
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self.assert_(hasattr(us, m))
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for m in list(IUnSerialized):
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self.assert_(hasattr(uss, m))
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def testPickleSerialized(self):
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obj = {'a':1.45345, 'b':'asdfsdf', 'c':10000L}
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original = UnSerialized(obj)
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originalSer = ISerialized(original)
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firstData = originalSer.getData()
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firstTD = originalSer.getTypeDescriptor()
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firstMD = originalSer.getMetadata()
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self.assert_(firstTD == 'pickle')
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self.assert_(firstMD == {})
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unSerialized = IUnSerialized(originalSer)
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secondObj = unSerialized.getObject()
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for k, v in secondObj.iteritems():
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self.assert_(obj[k] == v)
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secondSer = ISerialized(UnSerialized(secondObj))
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self.assert_(firstData == secondSer.getData())
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self.assert_(firstTD == secondSer.getTypeDescriptor() )
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self.assert_(firstMD == secondSer.getMetadata())
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def testNDArraySerialized(self):
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try:
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import numpy
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except ImportError:
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pass
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else:
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a = numpy.linspace(0.0, 1.0, 1000)
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unSer1 = UnSerialized(a)
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ser1 = ISerialized(unSer1)
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td = ser1.getTypeDescriptor()
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self.assert_(td == 'ndarray')
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md = ser1.getMetadata()
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self.assert_(md['shape'] == a.shape)
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self.assert_(md['dtype'] == a.dtype.str)
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buff = ser1.getData()
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self.assert_(buff == numpy.getbuffer(a))
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s = Serialized(buff, td, md)
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us = IUnSerialized(s)
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final = us.getObject()
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self.assert_(numpy.getbuffer(a) == numpy.getbuffer(final))
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self.assert_(a.dtype.str == final.dtype.str)
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self.assert_(a.shape == final.shape)
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