def test_overwrite_file(self):
self.polypype.write_event(1, [2])
new_polypype = PolyPype(self.test_filename, overwrite_file=True)
new_polypype.write_event(3, [4])
with self.open_output_file() as f:
self.assert_next_ctype_equal(f, '<f', 3)
self.assert_next_ctype_equal(f, '<I', 1)
self.assert_next_ctype_equal(f, '<f', 4)
def setUp(self, *args, **kwargs):
self.test_filename = 'test_output'
self.polypype = PolyPype(self.test_filename)
self.addCleanup(self.remove_file_if_exists,
self.polypype.output_filename)
def test_append_and_overwrite(self):
with self.assertRaises(PolyPypeArgumentException):
PolyPype(self.test_filename,
append_to_file=True,
overwrite_file=True)
def test_file_already_exists(self):
with self.assertRaises(PolyPypeFileExistsException):
filename = tempfile.mkstemp()[1]
PolyPype(filename)
os.remove(filename)
