Pavel Patsey
127 lines
3.7 KiB
Python
127 lines
3.7 KiB
Python
import pytest
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from vpn_manager.cidr4_merge.cidr4_merger import (
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Cidr4MergerError,
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calc_dip,
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cidr4_to_node,
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find_parent,
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make_cidr4,
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merge_nodes,
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merge_two_nodes,
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)
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def test_true():
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assert True
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def test_cidr4_to_node():
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assert cidr4_to_node("4.78.139.0/24") == (72256256, 24)
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assert cidr4_to_node("0.0.0.0/32") == (0, 32)
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assert cidr4_to_node("23.234.30.0/24") == (401219072, 24)
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assert cidr4_to_node("172.217.0.0/19") == (2899902464, 19)
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assert cidr4_to_node("23.225.141.0/24") == (400657664, 24)
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assert cidr4_to_node("31.13.94.0/23") == (520969728, 23)
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assert cidr4_to_node("0.0.0.0/2") == (0, 2)
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assert cidr4_to_node("64.0.0.0/2") == (1073741824, 2)
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assert cidr4_to_node("128.0.0.0/2") == (2147483648, 2)
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assert cidr4_to_node("192.0.0.0/2") == (3221225472, 2)
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def test_make_cidr4():
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assert make_cidr4(72256256, 24) == "4.78.139.0/24"
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assert make_cidr4(0, 32) == "0.0.0.0/32"
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assert make_cidr4(401219072, 24) == "23.234.30.0/24"
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assert make_cidr4(2899902464, 19) == "172.217.0.0/19"
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assert make_cidr4(400657664, 24) == "23.225.141.0/24"
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assert make_cidr4(520969728, 23) == "31.13.94.0/23"
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def test_find_parent():
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assert find_parent((0, 2), (1073741824, 2)) == (0, 1)
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assert find_parent((2147483648, 2), (3221225472, 2)) == (2147483648, 1)
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assert find_parent((0, 2), (3221225472, 2)) == (0, 0)
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assert find_parent((1, 32), (6, 32)) == (0, 29)
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def test_find_parent__with_exception():
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with pytest.raises(Exception) as exc_info:
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find_parent((0, 32), (0, 29))
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assert (
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str(exc_info.value)
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== "Error! Trying to find common parent of network and subnet! parent_node=(0, 29), a=(0, 32), b=(0, 29)."
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)
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assert exc_info.type is Cidr4MergerError
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with pytest.raises(Exception) as exc_info:
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find_parent((0, 1), (1073741824, 2))
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assert (
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str(exc_info.value)
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== "Error! Trying to find common parent of network and subnet! parent_node=(0, 1), a=(0, 1), b=(1073741824, 2)."
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)
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assert exc_info.type is Cidr4MergerError
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with pytest.raises(Exception) as exc_info:
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find_parent((0, 0), (3221225472, 2))
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assert (
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str(exc_info.value)
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== "Error! Trying to find common parent of network and subnet! parent_node=(0, 0), a=(0, 0), b=(3221225472, 2)."
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)
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assert exc_info.type is Cidr4MergerError
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def test_calc_dip():
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assert calc_dip(32, 32, 31) == 0
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assert calc_dip(32, 32, 30) == 2
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assert calc_dip(32, 32, 29) == 6
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assert calc_dip(32, 30, 29) == 3
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assert calc_dip(32, 31, 29) == 5
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assert calc_dip(32, 31, 29) == 5
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assert calc_dip(2, 2, 1) == 0
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assert calc_dip(2, 2, 0) == 2**31
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assert calc_dip(3, 3, 1) == 2**30
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def test_merge_two_nodes():
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assert merge_two_nodes((0, 32), (1, 32)) == ((0, 31), 0)
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assert merge_two_nodes((0, 32), (2, 32)) == ((0, 30), 2)
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assert merge_two_nodes((0, 32), (5, 32)) == ((0, 29), 6)
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assert merge_two_nodes((3, 32), (4, 32)) == ((0, 29), 6)
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assert merge_two_nodes((0, 32), (4, 30)) == ((0, 29), 3)
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assert merge_two_nodes((0, 32), (6, 31)) == ((0, 29), 5)
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def test_merge_nodes():
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assert merge_nodes(
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[
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(0, 32),
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(3, 32),
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(4, 32),
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],
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2,
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) == ([(0, 30), (4, 32)], 2)
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# т.е. сейчас алгоритм работает так, что он может оставить соседей
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assert merge_nodes(
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[
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(0, 32),
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(3, 32),
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(4, 32),
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(7, 32),
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],
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2,
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) == ([(0, 30), (4, 30)], 4)
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assert merge_nodes(
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[
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(0, 32),
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(3, 32),
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(4, 32),
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(7, 32),
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],
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1,
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) == ([(0, 29)], 4)
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