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#*****************************************************************************
# Copyright 2004-2008 Steve Menard
#
# Licensed 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 jpype import *
from . import common
try:
import unittest2 as unittest
except ImportError:
import unittest
import time
class C:
def testMethodInt(self):
return 5
def testMethodObject(self):
return JPackage("jpype.proxy").ReturnObject(3)
def testMethodString(self):
return "Hallo"
def testMethodList(self, noOfValues):
responses = list()
for i in range(0, noOfValues):
responses.append(JPackage("jpype.proxy").ReturnObject(i))
return java.util.Arrays.asList(responses)
class ThreadCallbackImpl:
def __init__(self):
self.values = []
def notifyValue(self, val):
self.values.append(val)
class ProxyMultiThreadedTestCase(common.JPypeTestCase):
def setUp(self):
super(ProxyMultiThreadedTestCase, self).setUp()
self.package = JPackage("jpype.proxy")
self.executor = None
def tearDown(self):
if self.executor is not None:
self.executor.shutdown()
def testProxyWithSingleThreadExecution(self):
"""Test multiple proxy calls with a single threaded executor.
The Java part will only call one proxy method (longer running methods)
at a time.
The methods should run correctly.
"""
proxy = JProxy(self.package.TestInterface4, inst=C())
self.executor = self.package.ProxyExecutor(1)
self.executor.registerProxy(proxy,10)
# register proxy executions
# threads
self.executor.runExecutor()
result = self.executor.waitForExecutedTasks()
expected = self.executor.getExpectedTasks()
self.assertEqual(result, expected, "Executed Tasks should be the same.")
def testProxyWithMultipleThreadExecutionSingleCallbackInstance(self):
"""Test multiple proxy calls with different threads at the same time.
The Java part will call the same callback instance from different
threads at a time.
Jpype library will throw an exception and the proxy method won't be
called:
java.lang.RuntimeException: Python exception thrown:
AttributeError: 'NoneType' object has no attribute 'getName'
at jpype.JPypeInvocationHandler.hostInvoke(Native Method)
at jpype.JPypeInvocationHandler.invoke(
JPypeInvocationHandler.java:10)
...
"""
proxy = JProxy(self.package.TestInterface4, inst=C())
self.executor = self.package.ProxyExecutor(10)
self.executor.registerProxy(proxy,100)
# register proxy executions
# threads
self.executor.runExecutor()
result = self.executor.waitForExecutedTasks()
expected = self.executor.getExpectedTasks()
self.assertEqual(result, expected, "Executed Tasks should be the same.")
def testProxyWithMultipleThreadExecutionMultiCallbackInstances(self):
"""Test multiple proxy calls with different threads at the same time.
The Java part will call the proxy method from different callback
instances and from different threads at a time.
Jpype library will throw an exception and the proxy method won't be
called:
java.lang.RuntimeException: Python exception thrown:
AttributeError: 'NoneType' object has no attribute 'getName'
at jpype.JPypeInvocationHandler.hostInvoke(Native Method)
at jpype.JPypeInvocationHandler.invoke(
JPypeInvocationHandler.java:10)
...
"""
self.executor = self.package.ProxyExecutor(10)
for i in range(0,5):
proxy = JProxy(self.package.TestInterface4, inst=C())
self.executor.registerProxy(proxy,15)
# register proxy executions
# threads
self.executor.runExecutor()
result = self.executor.waitForExecutedTasks()
expected = self.executor.getExpectedTasks()
self.assertEqual(result, expected, "Executed Tasks should be the same.")
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