def test_slow_async_opening(self):
# This test relies on the fact that file opening takes longer than the
# assertions tested immediately after the open_async() call. It seems
# to work well even with the small gzip or bzip2 files, but we use a
# much larger gzip file to make sure.
future = mrcfile.open_async(self.slow_mrc_name)
assert future.running()
assert not future.done()
with future.result() as mrc:
assert future.done()
assert not future.running()
assert repr(mrc) == ("GzipMrcFile('{0}', mode='r')".format(
self.slow_mrc_name))
assert future.exception() is None
def test_simple_async_opening(self):
with mrcfile.open_async(self.example_mrc_name).result() as mrc:
assert repr(mrc) == ("MrcFile('{0}', mode='r')".format(
self.example_mrc_name))