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#!/usr/bin/env python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
from ThriftTest.ttypes import Xtruct
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol
from thrift.protocol import TCompactProtocol
import unittest
class TestEof(unittest.TestCase):
def make_data(self, pfactory=None):
trans = TTransport.TMemoryBuffer()
if pfactory:
prot = pfactory.getProtocol(trans)
else:
prot = TBinaryProtocol.TBinaryProtocol(trans)
x = Xtruct()
x.string_thing = "Zero"
x.byte_thing = 0
x.write(prot)
x = Xtruct()
x.string_thing = "One"
x.byte_thing = 1
x.write(prot)
return trans.getvalue()
def testTransportReadAll(self):
"""Test that readAll on any type of transport throws an EOFError"""
trans = TTransport.TMemoryBuffer(self.make_data())
trans.readAll(1)
try:
trans.readAll(10000)
except EOFError:
return
self.fail("Should have gotten EOFError")
def eofTestHelper(self, pfactory):
trans = TTransport.TMemoryBuffer(self.make_data(pfactory))
prot = pfactory.getProtocol(trans)
x = Xtruct()
x.read(prot)
self.assertEqual(x.string_thing, "Zero")
self.assertEqual(x.byte_thing, 0)
x = Xtruct()
x.read(prot)
self.assertEqual(x.string_thing, "One")
self.assertEqual(x.byte_thing, 1)
try:
x = Xtruct()
x.read(prot)
except EOFError:
return
self.fail("Should have gotten EOFError")
def eofTestHelperStress(self, pfactory):
"""Test the ability of TBinaryProtocol to deal with the removal of every byte in the file"""
# TODO: we should make sure this covers more of the code paths
data = self.make_data(pfactory)
for i in range(0, len(data) + 1):
trans = TTransport.TMemoryBuffer(data[0:i])
prot = pfactory.getProtocol(trans)
try:
x = Xtruct()
x.read(prot)
x.read(prot)
x.read(prot)
except EOFError:
continue
self.fail("Should have gotten an EOFError")
def testBinaryProtocolEof(self):
"""Test that TBinaryProtocol throws an EOFError when it reaches the end of the stream"""
self.eofTestHelper(TBinaryProtocol.TBinaryProtocolFactory())
self.eofTestHelperStress(TBinaryProtocol.TBinaryProtocolFactory())
def testBinaryProtocolAcceleratedBinaryEof(self):
"""Test that TBinaryProtocolAccelerated throws an EOFError when it reaches the end of the stream"""
self.eofTestHelper(TBinaryProtocol.TBinaryProtocolAcceleratedFactory(fallback=False))
self.eofTestHelperStress(TBinaryProtocol.TBinaryProtocolAcceleratedFactory(fallback=False))
def testCompactProtocolEof(self):
"""Test that TCompactProtocol throws an EOFError when it reaches the end of the stream"""
self.eofTestHelper(TCompactProtocol.TCompactProtocolFactory())
self.eofTestHelperStress(TCompactProtocol.TCompactProtocolFactory())
def testCompactProtocolAcceleratedCompactEof(self):
"""Test that TCompactProtocolAccelerated throws an EOFError when it reaches the end of the stream"""
self.eofTestHelper(TCompactProtocol.TCompactProtocolAcceleratedFactory(fallback=False))
self.eofTestHelperStress(TCompactProtocol.TCompactProtocolAcceleratedFactory(fallback=False))
def suite():
suite = unittest.TestSuite()
loader = unittest.TestLoader()
suite.addTest(loader.loadTestsFromTestCase(TestEof))
return suite
if __name__ == "__main__":
unittest.main(defaultTest="suite", testRunner=unittest.TextTestRunner(verbosity=2))
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