/
http_test.go
176 lines (156 loc) Β· 4.78 KB
/
http_test.go
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
// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 transport
import (
"io/ioutil"
"net/http"
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/uber/jaeger-client-go/thrift"
"github.com/uber/jaeger-client-go"
j "github.com/uber/jaeger-client-go/thrift-gen/jaeger"
)
func TestHTTPTransport(t *testing.T) {
server := newHTTPServer(t)
httpUsername := "Bender"
httpPassword := "Rodriguez"
sender := NewHTTPTransport(
"http://localhost:10001/api/v1/spans",
HTTPBatchSize(1),
HTTPBasicAuth(httpUsername, httpPassword),
HTTPHeaders(map[string]string{"my-key": "my-value"}),
)
tracer, closer := jaeger.NewTracer(
"test",
jaeger.NewConstSampler(true),
jaeger.NewRemoteReporter(sender),
)
defer closer.Close()
span := tracer.StartSpan("root")
span.Finish()
// Need to yield to the select loop to accept the send request, and then
// yield again to the send operation to write to the socket. I think the
// best way to do that is just give it some time.
deadline := time.Now().Add(2 * time.Second)
for {
if time.Now().After(deadline) {
t.Fatal("never received a span")
}
if want, have := 1, len(server.getBatches()); want != have {
time.Sleep(time.Millisecond)
continue
}
break
}
srcSpanCtx := span.Context().(jaeger.SpanContext)
gotBatch := server.getBatches()[0]
assert.Len(t, gotBatch.Spans, 1)
assert.Equal(t, "test", gotBatch.Process.ServiceName)
gotSpan := gotBatch.Spans[0]
assert.Equal(t, "root", gotSpan.OperationName)
assert.EqualValues(t, srcSpanCtx.TraceID().High, gotSpan.TraceIdHigh)
assert.EqualValues(t, srcSpanCtx.TraceID().Low, gotSpan.TraceIdLow)
assert.EqualValues(t, srcSpanCtx.SpanID(), gotSpan.SpanId)
assert.Equal(t,
&HTTPBasicAuthCredentials{username: httpUsername, password: httpPassword},
server.authCredentials[0],
)
assert.Equal(t, "my-value", server.getHeader().Get("my-key"))
}
func TestHTTPOptions(t *testing.T) {
roundTripper := &http.Transport{
MaxIdleConns: 80000,
}
sender := NewHTTPTransport(
"some url",
HTTPBatchSize(123),
HTTPTimeout(123*time.Millisecond),
HTTPRoundTripper(roundTripper),
HTTPHeaders(map[string]string{"my-key": "my-value"}),
)
assert.Equal(t, 123, sender.batchSize)
assert.Equal(t, 123*time.Millisecond, sender.client.Timeout)
assert.Equal(t, roundTripper, sender.client.Transport)
assert.Equal(t, "my-value", sender.headers["my-key"])
}
type httpServer struct {
t *testing.T
batches []*j.Batch
authCredentials []*HTTPBasicAuthCredentials
mutex sync.RWMutex
header http.Header
}
func (s *httpServer) getBatches() []*j.Batch {
s.mutex.RLock()
defer s.mutex.RUnlock()
return s.batches
}
func (s *httpServer) credentials() []*HTTPBasicAuthCredentials {
s.mutex.RLock()
defer s.mutex.RUnlock()
return s.authCredentials
}
func (s *httpServer) getHeader() http.Header {
s.mutex.RLock()
defer s.mutex.RUnlock()
return s.header
}
// TODO this function and zipkin/http_test.go#newHTTPServer look like twins lost at birth
func newHTTPServer(t *testing.T) *httpServer {
server := &httpServer{
t: t,
batches: make([]*j.Batch, 0),
authCredentials: make([]*HTTPBasicAuthCredentials, 0),
mutex: sync.RWMutex{},
}
http.HandleFunc("/api/v1/spans", func(w http.ResponseWriter, r *http.Request) {
contextType := r.Header.Get("Content-Type")
if contextType != "application/x-thrift" {
t.Errorf(
"except Content-Type should be application/x-thrift, but is %s",
contextType)
return
}
body, err := ioutil.ReadAll(r.Body)
if err != nil {
t.Error(err)
return
}
buffer := thrift.NewTMemoryBuffer()
if _, err = buffer.Write(body); err != nil {
t.Error(err)
return
}
transport := thrift.NewTBinaryProtocolTransport(buffer)
batch := &j.Batch{}
if err = batch.Read(transport); err != nil {
t.Error(err)
return
}
server.mutex.Lock()
defer server.mutex.Unlock()
server.batches = append(server.batches, batch)
u, p, _ := r.BasicAuth()
server.authCredentials = append(server.authCredentials, &HTTPBasicAuthCredentials{username: u, password: p})
server.header = r.Header
})
go func() {
if err := http.ListenAndServe(":10001", nil); err != nil && err != http.ErrServerClosed {
panic(err)
}
}()
return server
}