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# *****************************************************************************
#
# 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.
#
# See NOTICE file for details.
#
# *****************************************************************************
import jpype
import common
import sys
def pythonNewerThan(major, minor):
return sys.version_info[0] > major or (sys.version_info[0] == major and sys.version_info[1] > minor)
class CloseableTestCase(common.JPypeTestCase):
def setUp(self):
common.JPypeTestCase.setUp(self)
def testCloseable(self):
CloseableTest = jpype.JClass("jpype.closeable.CloseableTest")
CloseableTest.reset()
self.assertFalse(CloseableTest.closed)
with CloseableTest() as myFile:
myFile.print_("hello 1")
self.assertEqual(CloseableTest.printed, "hello 1")
self.assertTrue(CloseableTest.closed)
@common.unittest.skipUnless(pythonNewerThan(3, 0), "requires python 3")
def testCloseableFail(self):
CloseableTest = jpype.JClass("jpype.closeable.CloseableTest")
CloseableTest.reset()
CloseableTest.willfail = True
self.assertFalse(CloseableTest.closed)
ex1 = None
try:
with CloseableTest() as myFile:
myFile.print_("hello 1")
try:
raise Exception('foo')
except Exception as ex:
pass
except Exception as ex:
ex1 = ex
self.assertTrue(ex1)
self.assertEqual(CloseableTest.printed, "hello 1")
self.assertTrue(CloseableTest.closed)
def testCloseablePyExcept(self):
CloseableTest = jpype.JClass("jpype.closeable.CloseableTest")
CloseableTest.reset()
self.assertFalse(CloseableTest.closed)
try:
with CloseableTest() as myFile:
myFile.print_("hello 2")
raise TypeError("Python exception")
myFile.print_("there")
except Exception as ex:
self.assertIsInstance(ex, TypeError)
self.assertEqual(CloseableTest.printed, "hello 2")
self.assertTrue(CloseableTest.closed)
@common.unittest.skipUnless(pythonNewerThan(2, 6), "Earlier python does not support stacked exceptions.")
def testCloseablePyExceptFail(self):
CloseableTest = jpype.JClass("jpype.closeable.CloseableTest")
CloseableTest.reset()
CloseableTest.willfail = True
self.assertFalse(CloseableTest.closed)
try:
with CloseableTest() as myFile:
myFile.print_("hello 3")
raise TypeError("Python exception")
myFile.print_("there")
except TypeError as ex:
self.assertIsInstance(ex, TypeError)
self.assertEqual(CloseableTest.printed, "hello 3")
self.assertTrue(CloseableTest.closed)
self.assertTrue(CloseableTest.failed)
def testCloseableJExcept(self):
CloseableTest = jpype.JClass("jpype.closeable.CloseableTest")
CloseableTest.reset()
self.assertFalse(CloseableTest.closed)
try:
with CloseableTest() as myFile:
myFile.print_("hello 4")
myFile.throwException()
myFile.print_("there")
except Exception as ex:
self.assertIsInstance(ex, jpype.JException,
'type is %s' % type(ex))
self.assertEqual(ex.getMessage(), 'oh no!')
self.assertEqual(CloseableTest.printed, "hello 4")
self.assertTrue(CloseableTest.closed)
@common.unittest.skipUnless(pythonNewerThan(2, 6), "Earlier python does not support stacked exceptions.")
def testCloseableJExceptFail(self):
CloseableTest = jpype.JClass("jpype.closeable.CloseableTest")
CloseableTest.reset()
CloseableTest.willfail = True
self.assertFalse(CloseableTest.closed)
try:
with CloseableTest() as myFile:
myFile.print_("hello 5")
myFile.throwException()
myFile.print_("there")
except Exception as ex:
self.assertIsInstance(ex, jpype.JException,
'type is %s' % type(ex))
self.assertEqual(ex.getMessage(), 'oh no!') # fail if get "oh my?"
self.assertEqual(CloseableTest.printed, "hello 5")
self.assertTrue(CloseableTest.closed)
self.assertTrue(CloseableTest.failed)
def testCloseableAttr(self):
cls = jpype.JClass("java.io.Closeable")
self.assertTrue(hasattr(cls, '__enter__'))
self.assertTrue(hasattr(cls, '__exit__'))
def testAutoCloseableAttr(self):
cls = jpype.JClass("java.lang.AutoCloseable")
self.assertTrue(hasattr(cls, '__enter__'))
self.assertTrue(hasattr(cls, '__exit__'))
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