def it_returns_an_open_array_without_overwrite():
with tmp.tmp_folder(chdir=True):
ar = ArrayResult("test1", shape=(10, 5), dtype=np.uint8, mode="w+")
fp = ar.arr()
ar[:] = np.arange(10 * 5).astype(np.uint8).reshape((10, 5))
_fp = ar.arr()
assert _fp is fp
ar.flush()
assert local.path("test1").stat().st_size == 10 * 5
def it_resizes():
with tmp.tmp_folder(chdir=True):
ar = ArrayResult("test1", shape=(10, 5), dtype=np.uint8, mode="w+")
ar[:] = np.arange(10 * 5).astype(np.uint8).reshape((10, 5))
ar.reshape((4, 5))
assert ar.shape == (4, 5)
assert np.all(ar.arr() == np.arange(4 * 5).astype(np.uint8).reshape((4, 5)))