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sampler_remote_test.go
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sampler_remote_test.go
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// Copyright (c) 2021 The Houyi 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 houyi
import (
"fmt"
"github.com/houyi-tracing/houyi/pkg/routing"
"github.com/houyi-tracing/houyi/ports"
"go.uber.org/zap"
"math/rand"
"os"
"testing"
"time"
)
const serviceName = "houyi-debug"
func TestPullStrategies(t *testing.T) {
logger, _ := zap.NewDevelopment()
sampler := NewRemoteSampler(&RemoteSamplerParams{
Logger: logger,
ServiceName: serviceName,
PullInterval: time.Second * 3,
AgentEndpoint: routing.Endpoint{
Addr: "localhost",
Port: ports.AgentGrpcListenPort,
},
})
reporter := NewLogReporter(logger)
tracer := NewTracer(serviceName, &TracerParams{
Logger: logger,
Reporter: reporter,
Sampler: sampler,
})
tracer.StartSpan("op")
time.Sleep(time.Hour)
}
func TestWriteToLocal(t *testing.T) {
fileName := "sampling_rate.record"
for i := 0; i < 100; i++ {
if f, err := os.OpenFile(fileName, os.O_CREATE|os.O_APPEND, 0755); err == nil {
_, _ = f.WriteString(fmt.Sprintf("%s\t%f\n", time.Now().Format(time.RFC3339), rand.Float64()))
_ = f.Close()
}
}
}