def test_object_referencecount_delete(self):
t = CustomObjectStore(1)
t2 = CustomObjectStore(2)
t_ref_count = 2
t2_ref_count = 2
tbl = Table({"a": [1], "b": [t]}, index="a")
t_ref_count += 1
assert tbl.schema() == {"a": int, "b": object}
assert tbl.size() == 1
# Count references
# 1 for `t`, 1 for `data`, 1 for argument to sys.getrefcount, and 1 for the table
print(sys.getrefcount(t), "should be", t_ref_count)
print(sys.getrefcount(t2), "should be", t2_ref_count)
tbl.update({"a": [2], "b": [t]})
t_ref_count += 1
tbl.update({"a": [3], "b": [t]})
t_ref_count += 1
assert sys.getrefcount(t) == t_ref_count
tbl.remove([1])
tbl.clear()
assert tbl.size() == 0
assert tbl.view().to_dict() == {}
print(sys.getrefcount(t), "should be", 2)
assert sys.getrefcount(t) == 2
print(sys.getrefcount(t2), "should be", 2)
assert sys.getrefcount(t2) == 2
def test_remove_multiple_single(self):
tbl = Table({"a": int, "b": str}, index="a")
for i in range(0, 10):
tbl.update([{"a": i, "b": str(i)}])
for i in range(1, 10):
tbl.remove([i])
assert tbl.view().to_records() == [{"a": 0, "b": "0"}]
def test_remove_nonsequential(self):
tbl = Table([{
"a": "abc",
"b": 123
}, {
"a": "def",
"b": 456
}, {
"a": "efg",
"b": 789
}], {"index": "a"})
tbl.remove(["abc", "efg"])
assert tbl.view().to_records() == [{"a": "def", "b": 456}]
def test_remove_all(self):
tbl = Table([{"a": "abc", "b": 123}], index="a")
tbl.remove(["abc"])
assert tbl.view().to_records() == []