def test_filename(self):
"""Verify that an appropriate file name is generated in an appropriate
folder"""
file_path = tempfile.mkdtemp() + os.path.join('some', 'depth', 'here')
cp = Checkpointer(file_path)
cp.counter = 25
filename = cp._filename('A WeIrD TaG')
self.assertTrue(os.path.join('some', 'depth', 'here') in filename)
self.assertTrue('25' in filename)
self.assertTrue('aweirdtag' in filename)
def test_filename(self):
"""Verify that an appropriate file name is generated in an appropriate
folder"""
file_path = tempfile.mkdtemp() + os.path.join('some', 'depth', 'here')
cp = Checkpointer(file_path)
cp.counter = 25
filename = cp._filename('A WeIrD TaG')
self.assertTrue(os.path.join('some', 'depth', 'here') in filename)
self.assertTrue('25' in filename)
self.assertTrue('aweirdtag' in filename)
def test_exception_reading(self):
"""If a file exists but is not the correct format, we expect
deserialization to gracefully fail (rather than exploding)"""
cp = Checkpointer(tempfile.mkdtemp())
self.assertEqual(1, cp.checkpoint("1", lambda: 1))
with open(cp._filename("1"), "w") as written_file:
written_file.write("")
cp._reset()
# pickle will raise an exception, so we will recompute
self.assertEqual(-1, cp.checkpoint("1", lambda: -1))
def test_exception_reading(self):
"""If a file exists but is not the correct format, we expect
deserialization to gracefully fail (rather than exploding)"""
cp = Checkpointer(tempfile.mkdtemp())
self.assertEqual(1, cp.checkpoint("1", lambda: 1))
with open(cp._filename("1"), "w") as written_file:
written_file.write("")
cp._reset()
# pickle will raise an exception, so we will recompute
self.assertEqual(-1, cp.checkpoint("1", lambda: -1))