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
|
/*
Copyright 2020 The Compose Specification Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package types
import (
"sort"
"strings"
"testing"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestHostsListEqual(t *testing.T) {
testHostsList(t, "=")
}
func TestHostsListComa(t *testing.T) {
testHostsList(t, ":")
}
func testHostsList(t *testing.T, sep string) {
testCases := []struct {
doc string
input []string
expectedError string
expectedOut string
}{
{
doc: "IPv4",
input: []string{"myhost" + sep + "192.168.0.1"},
expectedOut: "myhost:192.168.0.1",
},
{
doc: "Weird but permitted, IPv4 with brackets",
input: []string{"myhost" + sep + "[192.168.0.1]"},
expectedOut: "myhost:192.168.0.1",
},
{
doc: "Host and domain",
input: []string{"host.invalid" + sep + "10.0.2.1"},
expectedOut: "host.invalid:10.0.2.1",
},
{
doc: "IPv6",
input: []string{"anipv6host" + sep + "2003:ab34:e::1"},
expectedOut: "anipv6host:2003:ab34:e::1",
},
{
doc: "IPv6, brackets",
input: []string{"anipv6host" + sep + "[2003:ab34:e::1]"},
expectedOut: "anipv6host:2003:ab34:e::1",
},
{
doc: "IPv6 localhost",
input: []string{"ipv6local" + sep + "::1"},
expectedOut: "ipv6local:::1",
},
{
doc: "IPv6 localhost, brackets",
input: []string{"ipv6local" + sep + "[::1]"},
expectedOut: "ipv6local:::1",
},
{
doc: "host-gateway special case",
input: []string{"host.docker.internal" + sep + "host-gateway"},
expectedOut: "host.docker.internal:host-gateway",
},
{
doc: "multiple inputs",
input: []string{
"myhost" + sep + "192.168.0.1",
"anipv6host" + sep + "[2003:ab34:e::1]",
"host.docker.internal" + sep + "host-gateway",
},
expectedOut: "anipv6host:2003:ab34:e::1 host.docker.internal:host-gateway myhost:192.168.0.1",
},
{
doc: "bad host, colon",
input: []string{"::::1"},
expectedError: "bad host name",
},
{
doc: "bad host, eq",
input: []string{"=::1"},
expectedError: "bad host name",
},
{
doc: "both ipv4 and ipv6",
input: []string{
"foo:127.0.0.2",
"foo:ff02::1",
},
expectedOut: "foo:127.0.0.2 foo:ff02::1",
},
{
doc: "list of values",
input: []string{
"foo=127.0.0.2,127.0.0.3",
},
expectedOut: "foo:127.0.0.2 foo:127.0.0.3",
},
}
for _, tc := range testCases {
t.Run(tc.doc, func(t *testing.T) {
hostlist, err := NewHostsList(tc.input)
if tc.expectedError == "" {
assert.NilError(t, err)
actualOut := hostlist.AsList(":")
sort.Strings(actualOut)
sortedActualStr := strings.Join(actualOut, " ")
assert.Check(t, is.Equal(sortedActualStr, tc.expectedOut))
// The YAML rendering of HostsList should be the same as the AsList() output, but
// with '=' separators.
yamlOut, err := hostlist.MarshalYAML()
assert.NilError(t, err)
expYAMLOut := make([]string, len(actualOut))
for i, s := range actualOut {
expYAMLOut[i] = strings.Replace(s, ":", "=", 1)
}
assert.DeepEqual(t, yamlOut.([]string), expYAMLOut)
// The JSON rendering of HostsList should also have '=' separators. Same as the
// YAML output, but as a JSON list of strings.
jsonOut, err := hostlist.MarshalJSON()
assert.NilError(t, err)
expJSONStrings := make([]string, len(expYAMLOut))
for i, s := range expYAMLOut {
expJSONStrings[i] = `"` + s + `"`
}
expJSONString := "[" + strings.Join(expJSONStrings, ",") + "]"
assert.Check(t, is.Equal(string(jsonOut), expJSONString))
} else {
assert.ErrorContains(t, err, tc.expectedError)
}
})
}
}
|
