116 lines
3.7 KiB
Python
116 lines
3.7 KiB
Python
from __future__ import print_function
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from __future__ import absolute_import
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import sys
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import greenlet
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from . import _test_extension
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from . import TestCase
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# pylint:disable=c-extension-no-member
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class CAPITests(TestCase):
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def test_switch(self):
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self.assertEqual(
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50, _test_extension.test_switch(greenlet.greenlet(lambda: 50)))
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def test_switch_kwargs(self):
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def adder(x, y):
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return x * y
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g = greenlet.greenlet(adder)
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self.assertEqual(6, _test_extension.test_switch_kwargs(g, x=3, y=2))
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def test_setparent(self):
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# pylint:disable=disallowed-name
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def foo():
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def bar():
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greenlet.getcurrent().parent.switch()
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# This final switch should go back to the main greenlet, since
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# the test_setparent() function in the C extension should have
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# reparented this greenlet.
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greenlet.getcurrent().parent.switch()
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raise AssertionError("Should never have reached this code")
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child = greenlet.greenlet(bar)
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child.switch()
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greenlet.getcurrent().parent.switch(child)
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greenlet.getcurrent().parent.throw(
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AssertionError("Should never reach this code"))
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foo_child = greenlet.greenlet(foo).switch()
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self.assertEqual(None, _test_extension.test_setparent(foo_child))
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def test_getcurrent(self):
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_test_extension.test_getcurrent()
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def test_new_greenlet(self):
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self.assertEqual(-15, _test_extension.test_new_greenlet(lambda: -15))
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def test_raise_greenlet_dead(self):
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self.assertRaises(
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greenlet.GreenletExit, _test_extension.test_raise_dead_greenlet)
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def test_raise_greenlet_error(self):
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self.assertRaises(
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greenlet.error, _test_extension.test_raise_greenlet_error)
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def test_throw(self):
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seen = []
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def foo(): # pylint:disable=disallowed-name
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try:
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greenlet.getcurrent().parent.switch()
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except ValueError:
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seen.append(sys.exc_info()[1])
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except greenlet.GreenletExit:
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raise AssertionError
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g = greenlet.greenlet(foo)
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g.switch()
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_test_extension.test_throw(g)
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self.assertEqual(len(seen), 1)
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self.assertTrue(
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isinstance(seen[0], ValueError),
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"ValueError was not raised in foo()")
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self.assertEqual(
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str(seen[0]),
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'take that sucka!',
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"message doesn't match")
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def test_non_traceback_param(self):
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with self.assertRaises(TypeError) as exc:
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_test_extension.test_throw_exact(
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greenlet.getcurrent(),
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Exception,
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Exception(),
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self
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)
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self.assertEqual(str(exc.exception),
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"throw() third argument must be a traceback object")
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def test_instance_of_wrong_type(self):
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with self.assertRaises(TypeError) as exc:
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_test_extension.test_throw_exact(
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greenlet.getcurrent(),
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Exception(),
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BaseException(),
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None,
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)
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self.assertEqual(str(exc.exception),
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"instance exception may not have a separate value")
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def test_not_throwable(self):
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with self.assertRaises(TypeError) as exc:
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_test_extension.test_throw_exact(
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greenlet.getcurrent(),
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"abc",
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None,
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None,
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)
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self.assertEqual(str(exc.exception),
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"exceptions must be classes, or instances, not str")
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if __name__ == '__main__':
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import unittest
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unittest.main()
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