def test_dmf_remove():
tmp_dir = Path(scratch_dir) / "dmf_remove"
dmf = DMF(path=tmp_dir, create=True)
n = 10
ids = add_resources(dmf, num=n)
assert dmf.count() == n
while n > 0:
n = n - 1
dmf.remove(ids[n])
assert dmf.count() == n
def test_dmf_remove_filter():
tmp_dir = Path(scratch_dir) / "dmf_remove_filter"
dmf = DMF(path=tmp_dir, create=True)
n = 10
ids = add_resources(dmf, num=n)
assert dmf.count() == n
# remove half of the added resources
# print("@@ remove half")
dmf.remove(filter_dict={"data.i": {"$lt": n / 2}})
n2 = dmf.count()
assert n2 == n / 2
# try to remove the same group (should do nothing
# print("@@ remove more")
dmf.remove(filter_dict={"data.i": {"$lt": n / 2}})
n2 = dmf.count()
assert dmf.count() == n / 2
# remove the rest
# print("@@ remove the rest")
dmf.remove(filter_dict={"data.i": {"$ge": n / 2}})
assert dmf.count() == 0
