1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
import pytest
from netaddr.ip import IPNetwork
from netaddr.contrib.subnet_splitter import SubnetSplitter
def test_ip_splitter():
splitter = SubnetSplitter('172.24.0.0/16')
assert splitter.available_subnets() == [IPNetwork('172.24.0.0/16')]
assert splitter.extract_subnet(23, count=4) == [
IPNetwork('172.24.0.0/23'),
IPNetwork('172.24.2.0/23'),
IPNetwork('172.24.4.0/23'),
IPNetwork('172.24.6.0/23'),
]
assert splitter.available_subnets() == [
IPNetwork('172.24.8.0/21'),
IPNetwork('172.24.16.0/20'),
IPNetwork('172.24.32.0/19'),
IPNetwork('172.24.64.0/18'),
IPNetwork('172.24.128.0/17'),
]
assert splitter.extract_subnet(28, count=10) == [
IPNetwork('172.24.8.0/28'),
IPNetwork('172.24.8.16/28'),
IPNetwork('172.24.8.32/28'),
IPNetwork('172.24.8.48/28'),
IPNetwork('172.24.8.64/28'),
IPNetwork('172.24.8.80/28'),
IPNetwork('172.24.8.96/28'),
IPNetwork('172.24.8.112/28'),
IPNetwork('172.24.8.128/28'),
IPNetwork('172.24.8.144/28'),
]
splitter.available_subnets() == [
IPNetwork('172.24.8.128/25'),
IPNetwork('172.24.9.0/24'),
IPNetwork('172.24.10.0/23'),
IPNetwork('172.24.12.0/22'),
IPNetwork('172.24.16.0/20'),
IPNetwork('172.24.32.0/19'),
IPNetwork('172.24.64.0/18'),
IPNetwork('172.24.128.0/17'),
]
def test_ip_splitter_remove_same_input_range():
s = SubnetSplitter('172.24.0.0/16')
assert s.available_subnets() == [IPNetwork('172.24.0.0/16')]
assert s.extract_subnet(16, count=1) == [
IPNetwork('172.24.0.0/16'),
]
assert s.available_subnets() == []
def test_ip_splitter_remove_more_than_input_range():
s = SubnetSplitter('172.24.0.0/16')
assert s.available_subnets() == [IPNetwork('172.24.0.0/16')]
with pytest.raises(ValueError):
s.extract_subnet(16, count=2)
def test_ip_splitter_remove_prefix_larger_than_input_range():
s = SubnetSplitter('172.24.0.0/16')
assert s.available_subnets() == [IPNetwork('172.24.0.0/16')]
assert s.extract_subnet(15, count=1) == []
assert s.available_subnets() == [IPNetwork('172.24.0.0/16')]
|
