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123 lines
3.5 KiB
Python
123 lines
3.5 KiB
Python
import logging
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import time
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import unittest2
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import mitogen.core
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import mitogen.master
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import testlib
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import plain_old_module
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class CrazyType(object):
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pass
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def function_that_adds_numbers(x, y):
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return x + y
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def function_that_fails():
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raise plain_old_module.MyError('exception text')
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def func_with_bad_return_value():
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return CrazyType()
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def func_accepts_returns_context(context):
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return context
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def func_accepts_returns_sender(sender):
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sender.send(123)
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sender.close()
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return sender
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class TargetClass:
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offset = 100
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@classmethod
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def add_numbers_with_offset(cls, x, y):
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return cls.offset + x + y
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class CallFunctionTest(testlib.RouterMixin, testlib.TestCase):
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def setUp(self):
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super(CallFunctionTest, self).setUp()
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self.local = self.router.fork()
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def test_succeeds(self):
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self.assertEqual(3, self.local.call(function_that_adds_numbers, 1, 2))
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def test_succeeds_class_method(self):
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self.assertEqual(
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self.local.call(TargetClass.add_numbers_with_offset, 1, 2),
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103,
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)
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def test_crashes(self):
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exc = self.assertRaises(mitogen.core.CallError,
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lambda: self.local.call(function_that_fails))
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s = str(exc)
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etype, _, s = s.partition(': ')
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self.assertEqual(etype, 'plain_old_module.MyError')
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msg, _, s = s.partition('\n')
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self.assertEqual(msg, 'exception text')
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# Traceback
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self.assertGreater(len(s), 0)
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def test_bad_return_value(self):
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exc = self.assertRaises(mitogen.core.StreamError,
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lambda: self.local.call(func_with_bad_return_value))
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self.assertEquals(
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exc.args[0],
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"cannot unpickle '%s'/'CrazyType'" % (__name__,),
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)
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def test_aborted_on_local_context_disconnect(self):
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stream = self.router._stream_by_id[self.local.context_id]
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self.broker.stop_receive(stream)
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recv = self.local.call_async(time.sleep, 120)
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self.broker.defer(stream.on_disconnect, self.broker)
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exc = self.assertRaises(mitogen.core.ChannelError,
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lambda: recv.get())
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self.assertEquals(exc.args[0], mitogen.core.ChannelError.local_msg)
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def test_aborted_on_local_broker_shutdown(self):
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stream = self.router._stream_by_id[self.local.context_id]
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recv = self.local.call_async(time.sleep, 120)
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time.sleep(0.05) # Ensure GIL is released
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self.broker.shutdown()
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exc = self.assertRaises(mitogen.core.ChannelError,
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lambda: recv.get())
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self.assertEquals(exc.args[0], mitogen.core.ChannelError.local_msg)
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def test_accepts_returns_context(self):
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context = self.local.call(func_accepts_returns_context, self.local)
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self.assertIsNot(context, self.local)
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self.assertEqual(context.context_id, self.local.context_id)
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self.assertEqual(context.name, self.local.name)
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def test_accepts_returns_sender(self):
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recv = mitogen.core.Receiver(self.router)
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sender = recv.to_sender()
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sender2 = self.local.call(func_accepts_returns_sender, sender)
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self.assertEquals(sender.context.context_id,
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sender2.context.context_id)
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self.assertEquals(sender.dst_handle, sender2.dst_handle)
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self.assertEquals(123, recv.get().unpickle())
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self.assertRaises(mitogen.core.ChannelError,
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lambda: recv.get().unpickle())
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if __name__ == '__main__':
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unittest2.main()
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