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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
package cidranger
import (
"net"
"sort"
"testing"
"github.com/stretchr/testify/assert"
)
func TestInsert(t *testing.T) {
ranger := newBruteRanger().(*bruteRanger)
_, networkIPv4, _ := net.ParseCIDR("0.0.1.0/24")
_, networkIPv6, _ := net.ParseCIDR("8000::/96")
entryIPv4 := NewBasicRangerEntry(*networkIPv4)
entryIPv6 := NewBasicRangerEntry(*networkIPv6)
ranger.Insert(entryIPv4)
ranger.Insert(entryIPv6)
assert.Equal(t, 1, len(ranger.ipV4Entries))
assert.Equal(t, entryIPv4, ranger.ipV4Entries["0.0.1.0/24"])
assert.Equal(t, 1, len(ranger.ipV6Entries))
assert.Equal(t, entryIPv6, ranger.ipV6Entries["8000::/96"])
}
func TestInsertError(t *testing.T) {
bRanger := newBruteRanger().(*bruteRanger)
_, networkIPv4, _ := net.ParseCIDR("0.0.1.0/24")
networkIPv4.IP = append(networkIPv4.IP, byte(4))
err := bRanger.Insert(NewBasicRangerEntry(*networkIPv4))
assert.Equal(t, ErrInvalidNetworkInput, err)
}
func TestRemove(t *testing.T) {
ranger := newBruteRanger().(*bruteRanger)
_, networkIPv4, _ := net.ParseCIDR("0.0.1.0/24")
_, networkIPv6, _ := net.ParseCIDR("8000::/96")
_, notInserted, _ := net.ParseCIDR("8000::/96")
insertIPv4 := NewBasicRangerEntry(*networkIPv4)
insertIPv6 := NewBasicRangerEntry(*networkIPv6)
ranger.Insert(insertIPv4)
deletedIPv4, err := ranger.Remove(*networkIPv4)
assert.NoError(t, err)
ranger.Insert(insertIPv6)
deletedIPv6, err := ranger.Remove(*networkIPv6)
assert.NoError(t, err)
entry, err := ranger.Remove(*notInserted)
assert.NoError(t, err)
assert.Nil(t, entry)
assert.Equal(t, insertIPv4, deletedIPv4)
assert.Equal(t, 0, len(ranger.ipV4Entries))
assert.Equal(t, insertIPv6, deletedIPv6)
assert.Equal(t, 0, len(ranger.ipV6Entries))
}
func TestRemoveError(t *testing.T) {
r := newBruteRanger().(*bruteRanger)
_, invalidNetwork, _ := net.ParseCIDR("0.0.1.0/24")
invalidNetwork.IP = append(invalidNetwork.IP, byte(4))
_, err := r.Remove(*invalidNetwork)
assert.Equal(t, ErrInvalidNetworkInput, err)
}
func TestContains(t *testing.T) {
r := newBruteRanger().(*bruteRanger)
_, network, _ := net.ParseCIDR("0.0.1.0/24")
_, network1, _ := net.ParseCIDR("8000::/112")
r.Insert(NewBasicRangerEntry(*network))
r.Insert(NewBasicRangerEntry(*network1))
cases := []struct {
ip net.IP
contains bool
err error
name string
}{
{net.ParseIP("0.0.1.255"), true, nil, "IPv4 should contain"},
{net.ParseIP("0.0.0.255"), false, nil, "IPv4 houldn't contain"},
{net.ParseIP("8000::ffff"), true, nil, "IPv6 shouldn't contain"},
{net.ParseIP("8000::1:ffff"), false, nil, "IPv6 shouldn't contain"},
{append(net.ParseIP("8000::1:ffff"), byte(0)), false, ErrInvalidNetworkInput, "Invalid IP"},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
contains, err := r.Contains(tc.ip)
if tc.err != nil {
assert.Equal(t, tc.err, err)
} else {
assert.NoError(t, err)
assert.Equal(t, tc.contains, contains)
}
})
}
}
func TestContainingNetworks(t *testing.T) {
r := newBruteRanger().(*bruteRanger)
_, network1, _ := net.ParseCIDR("0.0.1.0/24")
_, network2, _ := net.ParseCIDR("0.0.1.0/25")
_, network3, _ := net.ParseCIDR("8000::/112")
_, network4, _ := net.ParseCIDR("8000::/113")
entry1 := NewBasicRangerEntry(*network1)
entry2 := NewBasicRangerEntry(*network2)
entry3 := NewBasicRangerEntry(*network3)
entry4 := NewBasicRangerEntry(*network4)
r.Insert(entry1)
r.Insert(entry2)
r.Insert(entry3)
r.Insert(entry4)
cases := []struct {
ip net.IP
containingNetworks []RangerEntry
err error
name string
}{
{net.ParseIP("0.0.1.255"), []RangerEntry{entry1}, nil, "IPv4 should contain"},
{net.ParseIP("0.0.1.127"), []RangerEntry{entry1, entry2}, nil, "IPv4 should contain both"},
{net.ParseIP("0.0.0.127"), []RangerEntry{}, nil, "IPv4 should contain none"},
{net.ParseIP("8000::ffff"), []RangerEntry{entry3}, nil, "IPv6 should constain"},
{net.ParseIP("8000::7fff"), []RangerEntry{entry3, entry4}, nil, "IPv6 should contain both"},
{net.ParseIP("8000::1:7fff"), []RangerEntry{}, nil, "IPv6 should contain none"},
{append(net.ParseIP("8000::1:7fff"), byte(0)), nil, ErrInvalidNetworkInput, "Invalid IP"},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
networks, err := r.ContainingNetworks(tc.ip)
if tc.err != nil {
assert.Equal(t, tc.err, err)
} else {
assert.NoError(t, err)
assert.Equal(t, len(tc.containingNetworks), len(networks))
for _, network := range tc.containingNetworks {
assert.Contains(t, networks, network)
}
}
})
}
}
func TestCoveredNetworks(t *testing.T) {
for _, tc := range coveredNetworkTests {
t.Run(tc.name, func(t *testing.T) {
ranger := newBruteRanger()
for _, insert := range tc.inserts {
_, network, _ := net.ParseCIDR(insert)
err := ranger.Insert(NewBasicRangerEntry(*network))
assert.NoError(t, err)
}
var expectedEntries []string
for _, network := range tc.networks {
expectedEntries = append(expectedEntries, network)
}
sort.Strings(expectedEntries)
_, snet, _ := net.ParseCIDR(tc.search)
networks, err := ranger.CoveredNetworks(*snet)
assert.NoError(t, err)
var results []string
for _, result := range networks {
net := result.Network()
results = append(results, net.String())
}
sort.Strings(results)
assert.Equal(t, expectedEntries, results)
})
}
}
|
