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main_test.go
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main_test.go
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package main
import (
"context"
"fmt"
"math/rand"
"strconv"
"testing"
"time"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/metric/global"
"go.opentelemetry.io/otel/metric/instrument"
)
func TestCounter(t *testing.T) {
defer initMetricProvider()()
ctx := context.Background()
meter := global.Meter("herapoc-demo-client-meter")
requestCount, _ := meter.SyncInt64().Counter(
"herapoc_demo_client_request_counts",
instrument.WithDescription("The number of requests processed"),
)
commonLabels := []attribute.KeyValue{
attribute.String("method", "repl"),
attribute.String("client", "cli"),
}
for i := 1; i <= 2500; i++ {
requestCount.Add(ctx, 1, commonLabels...)
time.Sleep(50 * time.Millisecond)
fmt.Println("Counter:==>" + strconv.Itoa(i))
}
}
func TestCounterWithVariableDimention(t *testing.T) {
defer initMetricProvider()()
ctx := context.Background()
meter := global.Meter("herapoc-demo-client-meter")
requestCount, _ := meter.SyncInt64().Counter(
"herapoc_demo_mdvar_counts",
instrument.WithDescription("The number of requests processed"),
)
commonLabels := []attribute.KeyValue{
attribute.String("method", "repl"),
attribute.String("client", "cli"),
}
for i := 1; i <= 2500; i++ {
min := 0
max := 1500
commonLabelsLocal := append(commonLabels, attribute.String("sqlhash", strconv.Itoa(rand.Intn(max-min)+min)))
requestCount.Add(ctx, 1, commonLabelsLocal...)
time.Sleep(50 * time.Millisecond)
fmt.Println("Counter:==>" + strconv.Itoa(i))
}
}
func TestHistogram(t *testing.T) {
defer initMetricProvider()()
ctx := context.Background()
meter := global.Meter("herapoc-demo-client-meter")
// Recorder metric example
requestLatency, _ := meter.SyncFloat64().Histogram(
"herapoc_demo_request_latency",
instrument.WithDescription("The latency of requests processed"),
)
commonLabels := []attribute.KeyValue{
attribute.String("method", "repl"),
attribute.String("client", "cli"),
}
for i := 1; i <= 2500; i++ {
min := 1
max := 15
requestLatency.Record(ctx, float64(rand.Intn(max-min)+min), commonLabels...)
time.Sleep(50 * time.Millisecond)
fmt.Println("Counter:==>" + strconv.Itoa(i))
}
}
func TestHistogramWithExplicitBoundry(t *testing.T) {
defer initMetricProvider()()
ctx := context.Background()
meter := global.Meter("herapoc-demo-client-meter")
// Recorder metric example
requestLatency, _ := meter.SyncFloat64().Histogram(
"herapoc_demo_ExplicitBoundry_request_latency",
instrument.WithDescription("The latency of requests processed"),
)
commonLabels := []attribute.KeyValue{
attribute.String("method", "repl"),
attribute.String("client", "cli"),
}
for i := 1; i <= 2500; i++ {
min := 1
max := 15
requestLatency.Record(ctx, float64(rand.Intn(max-min)+min), commonLabels...)
time.Sleep(50 * time.Millisecond)
fmt.Println("Counter:==>" + strconv.Itoa(i))
}
}