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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
package httpserver
import (
"context"
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
"time"
)
func TestNewReplacer(t *testing.T) {
w := httptest.NewRecorder()
recordRequest := NewResponseRecorder(w)
reader := strings.NewReader(`{"username": "dennis"}`)
request, err := http.NewRequest("POST", "http://localhost", reader)
if err != nil {
t.Fatal("Request Formation Failed\n")
}
rep := NewReplacer(request, recordRequest, "")
switch v := rep.(type) {
case *replacer:
if v.getSubstitution("{host}") != "localhost" {
t.Error("Expected host to be localhost")
}
if v.getSubstitution("{method}") != "POST" {
t.Error("Expected request method to be POST")
}
default:
t.Fatalf("Expected *replacer underlying Replacer type, got: %#v", rep)
}
}
func TestReplace(t *testing.T) {
w := httptest.NewRecorder()
recordRequest := NewResponseRecorder(w)
reader := strings.NewReader(`{"username": "dennis"}`)
request, err := http.NewRequest("POST", "http://localhost/?foo=bar", reader)
if err != nil {
t.Fatal("Request Formation Failed\n")
}
request.Header.Set("Custom", "foobarbaz")
request.Header.Set("ShorterVal", "1")
repl := NewReplacer(request, recordRequest, "-")
// add some headers after creating replacer
request.Header.Set("CustomAdd", "caddy")
request.Header.Set("Cookie", "foo=bar; taste=delicious")
hostname, err := os.Hostname()
if err != nil {
t.Fatal("Failed to determine hostname\n")
}
old := now
now = func() time.Time {
return time.Date(2006, 1, 2, 15, 4, 5, 02, time.FixedZone("hardcoded", -7))
}
defer func() {
now = old
}()
testCases := []struct {
template string
expect string
}{
{"This hostname is {hostname}", "This hostname is " + hostname},
{"This host is {host}.", "This host is localhost."},
{"This request method is {method}.", "This request method is POST."},
{"The response status is {status}.", "The response status is 200."},
{"{when}", "02/Jan/2006:15:04:05 +0000"},
{"{when_iso}", "2006-01-02T15:04:12Z"},
{"The Custom header is {>Custom}.", "The Custom header is foobarbaz."},
{"The CustomAdd header is {>CustomAdd}.", "The CustomAdd header is caddy."},
{"The request is {request}.", "The request is POST /?foo=bar HTTP/1.1\\r\\nHost: localhost\\r\\n" +
"Cookie: foo=bar; taste=delicious\\r\\nCustom: foobarbaz\\r\\nCustomadd: caddy\\r\\n" +
"Shorterval: 1\\r\\n\\r\\n."},
{"The cUsToM header is {>cUsToM}...", "The cUsToM header is foobarbaz..."},
{"The Non-Existent header is {>Non-Existent}.", "The Non-Existent header is -."},
{"Bad {host placeholder...", "Bad {host placeholder..."},
{"Bad {>Custom placeholder", "Bad {>Custom placeholder"},
{"Bad {>Custom placeholder {>ShorterVal}", "Bad -"},
{"Bad {}", "Bad -"},
{"Cookies are {~taste}", "Cookies are delicious"},
{"Missing cookie is {~missing}", "Missing cookie is -"},
{"Query string is {query}", "Query string is foo=bar"},
{"Query string value for foo is {?foo}", "Query string value for foo is bar"},
{"Missing query string argument is {?missing}", "Missing query string argument is "},
}
for _, c := range testCases {
if expected, actual := c.expect, repl.Replace(c.template); expected != actual {
t.Errorf("for template '%s', expected '%s', got '%s'", c.template, expected, actual)
}
}
complexCases := []struct {
template string
replacements map[string]string
expect string
}{
{
"/a{1}/{2}",
map[string]string{
"{1}": "12",
"{2}": "",
},
"/a12/"},
}
for _, c := range complexCases {
repl := &replacer{
customReplacements: c.replacements,
}
if expected, actual := c.expect, repl.Replace(c.template); expected != actual {
t.Errorf("for template '%s', expected '%s', got '%s'", c.template, expected, actual)
}
}
}
func TestSet(t *testing.T) {
w := httptest.NewRecorder()
recordRequest := NewResponseRecorder(w)
reader := strings.NewReader(`{"username": "dennis"}`)
request, err := http.NewRequest("POST", "http://localhost", reader)
if err != nil {
t.Fatalf("Request Formation Failed: %s\n", err.Error())
}
repl := NewReplacer(request, recordRequest, "")
repl.Set("host", "getcaddy.com")
repl.Set("method", "GET")
repl.Set("status", "201")
repl.Set("variable", "value")
if repl.Replace("This host is {host}") != "This host is getcaddy.com" {
t.Error("Expected host replacement failed")
}
if repl.Replace("This request method is {method}") != "This request method is GET" {
t.Error("Expected method replacement failed")
}
if repl.Replace("The response status is {status}") != "The response status is 201" {
t.Error("Expected status replacement failed")
}
if repl.Replace("The value of variable is {variable}") != "The value of variable is value" {
t.Error("Expected variable replacement failed")
}
}
// Test function to test that various placeholders hold correct values after a rewrite
// has been performed. The NewRequest actually contains the rewritten value.
func TestPathRewrite(t *testing.T) {
w := httptest.NewRecorder()
recordRequest := NewResponseRecorder(w)
reader := strings.NewReader(`{"username": "dennis"}`)
request, err := http.NewRequest("POST", "http://getcaddy.com/index.php?key=value", reader)
if err != nil {
t.Fatalf("Request Formation Failed: %s\n", err.Error())
}
ctx := context.WithValue(request.Context(), URIxRewriteCtxKey, "a/custom/path.php?key=value")
request = request.WithContext(ctx)
repl := NewReplacer(request, recordRequest, "")
if repl.Replace("This path is '{path}'") != "This path is 'a/custom/path.php'" {
t.Error("Expected host {path} replacement failed (" + repl.Replace("This path is '{path}'") + ")")
}
if repl.Replace("This path is {rewrite_path}") != "This path is /index.php" {
t.Error("Expected host {rewrite_path} replacement failed (" + repl.Replace("This path is {rewrite_path}") + ")")
}
if repl.Replace("This path is '{uri}'") != "This path is 'a/custom/path.php?key=value'" {
t.Error("Expected host {uri} replacement failed (" + repl.Replace("This path is '{uri}'") + ")")
}
if repl.Replace("This path is {rewrite_uri}") != "This path is /index.php?key=value" {
t.Error("Expected host {rewrite_uri} replacement failed (" + repl.Replace("This path is {rewrite_uri}") + ")")
}
}
func TestRound(t *testing.T) {
var tests = map[time.Duration]time.Duration{
// 599.935µs -> 560µs
559935 * time.Nanosecond: 560 * time.Microsecond,
// 1.55ms -> 2ms
1550 * time.Microsecond: 2 * time.Millisecond,
// 1.5555s -> 1.556s
1555500 * time.Microsecond: 1556 * time.Millisecond,
// 1m2.0035s -> 1m2.004s
62003500 * time.Microsecond: 62004 * time.Millisecond,
}
for dur, expected := range tests {
rounded := roundDuration(dur)
if rounded != expected {
t.Errorf("Expected %v, Got %v", expected, rounded)
}
}
}
func TestMillisecondConverstion(t *testing.T) {
var testCases = map[time.Duration]int64{
2 * time.Second: 2000,
9039492 * time.Nanosecond: 9,
1000 * time.Microsecond: 1,
127 * time.Nanosecond: 0,
0 * time.Millisecond: 0,
255 * time.Millisecond: 255,
}
for dur, expected := range testCases {
numMillisecond := convertToMilliseconds(dur)
if numMillisecond != expected {
t.Errorf("Expected %v. Got %v", expected, numMillisecond)
}
}
}
|
