65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
// Copyright 2018 Google Inc. All Rights Reserved.
|
|
//
|
|
// 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.
|
|
|
|
// +build go1.8
|
|
|
|
package testutil
|
|
|
|
import (
|
|
"log"
|
|
"time"
|
|
|
|
"go.opencensus.io/plugin/ocgrpc"
|
|
"go.opencensus.io/stats/view"
|
|
"go.opencensus.io/trace"
|
|
)
|
|
|
|
type TestExporter struct {
|
|
Spans []*trace.SpanData
|
|
Stats chan *view.Data
|
|
}
|
|
|
|
func NewTestExporter() *TestExporter {
|
|
te := &TestExporter{Stats: make(chan *view.Data)}
|
|
|
|
view.RegisterExporter(te)
|
|
view.SetReportingPeriod(time.Millisecond)
|
|
if err := view.Register(ocgrpc.ClientRequestCountView); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
trace.RegisterExporter(te)
|
|
trace.ApplyConfig(trace.Config{DefaultSampler: trace.AlwaysSample()})
|
|
|
|
return te
|
|
}
|
|
|
|
func (te *TestExporter) ExportSpan(s *trace.SpanData) {
|
|
te.Spans = append(te.Spans, s)
|
|
}
|
|
|
|
func (te *TestExporter) ExportView(vd *view.Data) {
|
|
if len(vd.Rows) > 0 {
|
|
select {
|
|
case te.Stats <- vd:
|
|
default:
|
|
}
|
|
}
|
|
}
|
|
|
|
func (te *TestExporter) Unregister() {
|
|
view.UnregisterExporter(te)
|
|
trace.UnregisterExporter(te)
|
|
}
|