-
Notifications
You must be signed in to change notification settings - Fork 2.4k
/
mock_grpc_collector.go
90 lines (78 loc) · 2.36 KB
/
mock_grpc_collector.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
// Copyright (c) 2020 The Jaeger 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 testutils
import (
"context"
"net"
"sync"
"testing"
"github.com/stretchr/testify/require"
"google.golang.org/grpc"
"github.com/jaegertracing/jaeger/model"
"github.com/jaegertracing/jaeger/proto-gen/api_v2"
)
// GrpcCollector is a mock collector for tests
type GrpcCollector struct {
listener net.Listener
*mockSpanHandler
server *grpc.Server
}
var _ api_v2.CollectorServiceServer = (*GrpcCollector)(nil)
// StartGRPCCollector starts GRPC collector on a random port
func StartGRPCCollector(t *testing.T) *GrpcCollector {
server := grpc.NewServer()
lis, err := net.Listen("tcp", "localhost:0")
require.NoError(t, err)
handler := &mockSpanHandler{t: t}
api_v2.RegisterCollectorServiceServer(server, handler)
go func() {
require.NoError(t, server.Serve(lis))
}()
return &GrpcCollector{
mockSpanHandler: handler,
listener: lis,
server: server,
}
}
// Listener returns server's listener
func (c *GrpcCollector) Listener() net.Listener {
return c.listener
}
// Close closes the server
func (c *GrpcCollector) Close() error {
c.server.GracefulStop()
return c.listener.Close()
}
type mockSpanHandler struct {
t *testing.T
mux sync.Mutex
requests []*api_v2.PostSpansRequest
}
// GetJaegerBatches returns accumulated Jaeger batches
func (h *mockSpanHandler) GetJaegerBatches() []model.Batch {
h.mux.Lock()
defer h.mux.Unlock()
var batches []model.Batch
for _, r := range h.requests {
batches = append(batches, r.Batch)
}
return batches
}
func (h *mockSpanHandler) PostSpans(_ context.Context, r *api_v2.PostSpansRequest) (*api_v2.PostSpansResponse, error) {
h.t.Logf("mockSpanHandler received %d spans", len(r.Batch.Spans))
h.mux.Lock()
defer h.mux.Unlock()
h.requests = append(h.requests, r)
return &api_v2.PostSpansResponse{}, nil
}