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
|
// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package utilization
import (
"bytes"
"encoding/json"
"errors"
"net/http"
"testing"
)
// Cross agent test types common to each provider's set of test cases.
type testCase struct {
TestName string `json:"testname"`
URIs map[string]jsonResponse `json:"uri"`
EnvVars map[string]envResponse `json:"env_vars"`
ExpectedVendorsHash vendors `json:"expected_vendors_hash"`
ExpectedMetrics map[string]metric `json:"expected_metrics"`
}
type envResponse struct {
Response string `json:"response"`
Timeout bool `json:"timeout"`
}
type jsonResponse struct {
Response json.RawMessage `json:"response"`
Timeout bool `json:"timeout"`
}
type metric struct {
CallCount int `json:"call_count"`
}
var errTimeout = errors.New("timeout")
type mockTransport struct {
t *testing.T
responses map[string]jsonResponse
}
type mockBody struct {
bytes.Reader
closed bool
t *testing.T
}
func (m *mockTransport) RoundTrip(r *http.Request) (*http.Response, error) {
// Half the requests are going to the test's endpoint, while the other half
// are going to the AWS IMDSv2 token endpoint. Accept both.
for match, response := range m.responses {
if (r.URL.String() == match) ||
(r.URL.String() == awsTokenEndpoint) {
return m.respond(response)
}
}
m.t.Errorf("Unknown request URI: %s", r.URL.String())
return nil, nil
}
func (m *mockTransport) respond(resp jsonResponse) (*http.Response, error) {
if resp.Timeout {
return nil, errTimeout
}
return &http.Response{
Status: "200 OK",
StatusCode: 200,
Body: &mockBody{
t: m.t,
Reader: *bytes.NewReader(resp.Response),
},
}, nil
}
// This function is included simply so that http.Client doesn't complain.
func (m *mockTransport) CancelRequest(r *http.Request) {}
func (m *mockBody) Close() error {
if m.closed {
m.t.Error("Close of already closed connection!")
}
m.closed = true
return nil
}
func (m *mockBody) ensureClosed() {
if !m.closed {
m.t.Error("Connection was not closed")
}
}
func TestNormaliseValue(t *testing.T) {
testCases := []struct {
name string
input string
expected string
isError bool
}{
{
name: "Valid - empty",
input: "",
expected: "",
isError: false,
},
{
name: "Valid - symbols",
input: ". /-_",
expected: ". /-_",
isError: false,
},
{
name: "Valid - string",
input: "simplesentence",
expected: "simplesentence",
isError: false,
},
{
name: "Invalid - More than 255",
input: `256256256256256256256256256256256256256256256256256256256256
256256256256256256256256256256256256256256256256256256256256256256256256
256256256256256256256256256256256256256256256256256256256256256256256256
2562562562562562562562562562562562562562562562562562`,
expected: "",
isError: true,
},
}
for _, tc := range testCases {
actual, err := normalizeValue(tc.input)
if tc.isError && err == nil {
t.Fatalf("%s: expected error; got nil", tc.name)
} else if !tc.isError {
if err != nil {
t.Fatalf("%s: expected not error; got: %v", tc.name, err)
}
if tc.expected != actual {
t.Fatalf("%s: expected: %s; got: %s", tc.name, tc.expected, actual)
}
}
}
}
|
