mirror of
https://github.com/Luzifer/nginx-sso.git
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68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
// Copyright 2018 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package testutil
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import (
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"log"
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"time"
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"go.opencensus.io/plugin/ocgrpc"
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"go.opencensus.io/stats/view"
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"go.opencensus.io/trace"
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)
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// TestExporter is a test utility exporter. It should be created with NewtestExporter.
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type TestExporter struct {
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Spans []*trace.SpanData
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Stats chan *view.Data
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}
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// NewTestExporter creates a TestExporter and registers it with OpenCensus.
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func NewTestExporter() *TestExporter {
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te := &TestExporter{Stats: make(chan *view.Data)}
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view.RegisterExporter(te)
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view.SetReportingPeriod(time.Millisecond)
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if err := view.Register(ocgrpc.DefaultClientViews...); err != nil {
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log.Fatal(err)
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}
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trace.RegisterExporter(te)
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trace.ApplyConfig(trace.Config{DefaultSampler: trace.AlwaysSample()})
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return te
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}
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// ExportSpan exports a span.
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func (te *TestExporter) ExportSpan(s *trace.SpanData) {
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te.Spans = append(te.Spans, s)
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}
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// ExportView exports a view.
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func (te *TestExporter) ExportView(vd *view.Data) {
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if len(vd.Rows) > 0 {
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select {
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case te.Stats <- vd:
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default:
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}
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}
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}
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// Unregister unregisters the exporter from OpenCensus.
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func (te *TestExporter) Unregister() {
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view.UnregisterExporter(te)
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trace.UnregisterExporter(te)
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view.SetReportingPeriod(0) // reset to default value
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}
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