Files
wcm/tests/test_cidr4_merger.py
T
2025-01-19 00:27:42 +03:00

346 lines
9.1 KiB
Python

import pytest
from cidr4_merger import (
Cidr4MergerError,
cidr4_to_node,
find_neighbours_singles,
get_group_with_max_mask_len,
get_net_addr,
get_parent_ip,
have_same_parent,
lift_lonely_node,
make_cidr4,
make_groups,
make_parent,
merge_neighbors,
merge_nodes,
merge_nodes_recursion,
reduce_nodes,
sort_nodes,
)
def test_true():
assert True
bin_a = "10011000000000001000010000010000"
assert len(bin_a) == 32
ip_a = int(bin_a, 2)
bin_b = "10011100000000000000000000101011"
assert len(bin_b) == 32
ip_b = int(bin_b, 2)
bin_c = "10011000000000000000000000000000"
assert len(bin_c) == 32
ip_c = int(bin_c, 2)
bin_d = "11111100000000000000000000000000"
assert len(bin_c) == 32
ip_d = int(bin_d, 2)
def test_cidr4_to_node():
assert cidr4_to_node("4.78.139.0/24") == (72256256, 24, 0, 72256000)
assert cidr4_to_node("0.0.0.0/32") == (0, 32, 0, 0)
assert cidr4_to_node("23.234.30.0/24") == (401219072, 24, 0, 401219072)
assert cidr4_to_node("172.217.0.0/19") == (2899902464, 19, 0, 2899902464)
assert cidr4_to_node("23.225.141.0/24") == (400657664, 24, 0, 400657408)
assert cidr4_to_node("31.13.94.0/23") == (520969728, 23, 0, 520969216)
assert cidr4_to_node("0.0.0.0/2") == (0, 2, 0, 0)
assert cidr4_to_node("64.0.0.0/2") == (1073741824, 2, 0, 0)
assert cidr4_to_node("128.0.0.0/2") == (2147483648, 2, 0, 2147483648)
assert cidr4_to_node("192.0.0.0/2") == (3221225472, 2, 0, 2147483648)
def test_make_cidr4():
assert make_cidr4(72256256, 24) == "4.78.139.0/24"
assert make_cidr4(0, 32) == "0.0.0.0/32"
assert make_cidr4(401219072, 24) == "23.234.30.0/24"
assert make_cidr4(2899902464, 19) == "172.217.0.0/19"
assert make_cidr4(400657664, 24) == "23.225.141.0/24"
assert make_cidr4(520969728, 23) == "31.13.94.0/23"
def test_get_net_addr():
assert get_net_addr(ip_a, 5) == ip_c
assert get_net_addr(ip_b, 5) == ip_c
assert get_net_addr(0, 1) == 0
assert get_net_addr(0, 0) == 0
def test_get_parent_mask():
assert get_parent_ip(ip_a, 6) == ip_c
assert get_parent_ip(ip_b, 6) == ip_c
assert get_parent_ip(0, 1) == 0
with pytest.raises(Exception) as exc_info:
get_parent_ip(0, 0)
assert str(exc_info.value) == "The top of the tree has no parent!"
assert exc_info.type is Cidr4MergerError
def test_have_same_parent():
assert have_same_parent(ip_c, 6, ip_c, 6) is True
assert have_same_parent(ip_c, 6, ip_c, 5) is False
assert have_same_parent(ip_a, 6, ip_d, 6) is False
assert have_same_parent(ip_a, 6, 0, 1) is False
assert have_same_parent(ip_a, 6, 0, 0) is False
def test_sort_nodes():
assert sort_nodes(
[
(401219072, 24, 0, 401219072),
(2899902464, 19, 0, 2899902464),
(400657664, 24, 0, 400657408),
(520969728, 23, 0, 520969216),
]
) == [
(2899902464, 19, 0, 2899902464),
(520969728, 23, 0, 520969216),
(400657664, 24, 0, 400657408),
(401219072, 24, 0, 401219072),
]
def test_get_group_with_max_mask_len():
assert get_group_with_max_mask_len(
[
(2899902464, 19, 0, 2899902464),
(520969728, 23, 0, 520969216),
(400657664, 24, 0, 400657408),
(401219072, 24, 0, 401219072),
]
) == [(400657664, 24, 0, 400657408), (401219072, 24, 0, 401219072)]
assert get_group_with_max_mask_len(
[
(401219072, 24, 0, 401219072),
(2899902464, 19, 0, 2899902464),
(520969728, 23, 0, 520969216),
]
) == [(401219072, 24, 0, 401219072)]
def test_make_parent():
assert make_parent((0, 2, 12, 0), (1073741824, 2, 3, 0)) == (0, 1, 15, 0)
assert make_parent(
(2147483648, 2, 1, 2147483648), (3221225472, 2, 2, 2147483648)
) == (2147483648, 1, 3, 0)
with pytest.raises(Exception) as exc_info:
make_parent((0, 2, 12, 0), (3221225472, 2, 2, 2147483648))
assert str(exc_info.value) == "Nodes must be neighbors!"
assert exc_info.type is Cidr4MergerError
def test_reduce_nodes():
assert reduce_nodes(
[
(0, 2, 12, 0),
(1073741824, 2, 3, 0),
]
) == [
(0, 1, 15, 0),
]
assert reduce_nodes(
[
(0, 2, 12, 0),
(1073741824, 2, 3, 0),
(2147483648, 2, 1, 2147483648),
(3221225472, 2, 2, 2147483648),
]
) == [
(2147483648, 1, 3, 0),
(0, 2, 12, 0),
(1073741824, 2, 3, 0),
]
assert reduce_nodes(
[
(0, 2, 12, 0),
(2147483648, 1, 0, 0),
]
) == [
(0, 1, 12 + 2**30, 0),
(2147483648, 1, 0, 0),
]
with pytest.raises(Exception) as exc_info:
reduce_nodes(
[
(0, 1, 12 + 2**30, 0),
(2147483648, 1, 0, 0),
]
)
assert exc_info.type is Cidr4MergerError
assert str(exc_info.value) == "The top of the tree has no parent!"
def test_merge_nodes():
assert merge_nodes(
[
(0, 2, 12, 0),
(2147483648, 2, 1, 2147483648),
(3221225472, 2, 2, 2147483648),
],
2,
) == [
(2147483648, 1, 3, 0),
(0, 2, 12, 0),
]
with pytest.raises(Exception) as exc_info:
merge_nodes(
[
(0, 2, 12, 0),
(2147483648, 2, 1, 2147483648),
(3221225472, 2, 2, 2147483648),
],
1,
)
assert exc_info.type is Cidr4MergerError
assert str(exc_info.value) == "The top of the tree has no parent!"
def test_make_groups():
nodes = [
(2398793728, 20, 0, 2398789632),
(2899943424, 20, 0, 2899943424),
(3627728896, 20, 0, 3627728896),
(520963072, 22, 0, 520962048),
(1089054720, 22, 0, 1089054720),
(2899902464, 19, 0, 2899902464),
(2915221504, 19, 0, 2915221504),
]
assert dict(make_groups(nodes)) == {
20: [
(2398793728, 20, 0, 2398789632),
(2899943424, 20, 0, 2899943424),
(3627728896, 20, 0, 3627728896),
],
22: [(520963072, 22, 0, 520962048), (1089054720, 22, 0, 1089054720)],
19: [(2899902464, 19, 0, 2899902464), (2915221504, 19, 0, 2915221504)],
}
@pytest.fixture
def nodes_only_neighbours():
return [
(0, 2, 12, 0),
(1073741824, 2, 3, 0),
(2147483648, 2, 1, 2147483648),
(3221225472, 2, 2, 2147483648),
]
@pytest.fixture
def nodes_only_singles():
return [
(0, 2, 12, 0),
(2147483648, 2, 1, 2147483648),
]
@pytest.fixture
def nodes_with_neighbours_n_singles():
return [
(0, 2, 12, 0),
(1073741824, 2, 3, 0),
(2147483648, 2, 1, 2147483648),
]
@pytest.fixture
def groups_only_neighbours(nodes_only_neighbours):
return make_groups(nodes_only_neighbours)
@pytest.fixture
def groups_only_singles(nodes_only_singles):
return make_groups(nodes_only_singles)
@pytest.fixture
def groups_with_neighbours_n_singles(nodes_with_neighbours_n_singles):
return make_groups(nodes_with_neighbours_n_singles)
def test_find_neighbours_singles(
groups_only_neighbours,
groups_only_singles,
groups_with_neighbours_n_singles,
):
assert find_neighbours_singles(groups_only_neighbours) == (
[
((0, 2, 12, 0), (1073741824, 2, 3, 0)),
((2147483648, 2, 1, 2147483648), (3221225472, 2, 2, 2147483648)),
],
[],
)
assert find_neighbours_singles(groups_only_singles) == (
[],
[(0, 2, 12, 0), (2147483648, 2, 1, 2147483648)],
)
assert find_neighbours_singles(groups_with_neighbours_n_singles) == (
[((0, 2, 12, 0), (1073741824, 2, 3, 0))],
[(2147483648, 2, 1, 2147483648)],
)
def test_merge_neighbors__only_neighbours(nodes_only_neighbours):
new_nodes = merge_neighbors(
nodes_only_neighbours,
[
((0, 2, 12, 0), (1073741824, 2, 3, 0)),
((2147483648, 2, 1, 2147483648), (3221225472, 2, 2, 2147483648)),
],
)
assert new_nodes == [
(0, 1, 15, 0),
(2147483648, 1, 3, 0),
]
def test_merge_neighbors__neighbours_n_singles(nodes_with_neighbours_n_singles):
new_nodes = merge_neighbors(
nodes_with_neighbours_n_singles,
[((0, 2, 12, 0), (1073741824, 2, 3, 0))],
)
assert new_nodes == [
(0, 1, 15, 0),
(2147483648, 2, 1, 2147483648),
]
def test_lift_lonely_node(nodes_only_singles):
singles = [(0, 2, 12, 0), (2147483648, 2, 1, 2147483648)]
new_nodes = lift_lonely_node(nodes_only_singles, singles)
assert new_nodes == [(2147483648, 1, 1073741825, 0), (0, 2, 12, 0)]
# def test_merge_nodes_recursion():
# assert merge_nodes(
# [
# (0, 2, 12, 0),
# (2147483648, 2, 1, 2147483648),
# (3221225472, 2, 2, 2147483648),
# ],
# 2,
# ) == merge_nodes_recursion(
# [
# (0, 2, 12, 0),
# (2147483648, 2, 1, 2147483648),
# (3221225472, 2, 2, 2147483648),
# ],
# 2,
# )