micro-meter-prometheus/prometheus_test.go
Vasiliy Tolstov fc9be7fb46
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update deps, minimise memory allocations
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2024-09-20 18:50:08 +03:00

63 lines
1.8 KiB
Go

package prometheus
import (
"bytes"
"context"
"testing"
"go.unistack.org/micro/v3/client"
"go.unistack.org/micro/v3/codec"
"go.unistack.org/micro/v3/meter"
)
func TestStd(t *testing.T) {
m := NewMeter(meter.WriteProcessMetrics(true), meter.WriteFDMetrics(true))
if err := m.Init(); err != nil {
t.Fatal(err)
}
buf := bytes.NewBuffer(nil)
_ = m.Write(buf)
if !bytes.Contains(buf.Bytes(), []byte(`go_goroutine`)) {
t.Fatalf("invalid metrics output: %s", buf.Bytes())
}
}
func TestWrapper(t *testing.T) {
m := NewMeter() // meter.Labels("test_key", "test_val"))
ctx := context.Background()
c := client.NewClient(client.Meter(m))
if err := c.Init(); err != nil {
t.Fatal(err)
}
rsp := &codec.Frame{}
req := &codec.Frame{}
err := c.Call(ctx, c.NewRequest("svc2", "Service.Method", req), rsp)
_, _ = rsp, err
buf := bytes.NewBuffer(nil)
_ = m.Write(buf, meter.WriteProcessMetrics(false), meter.WriteFDMetrics(false))
if !bytes.Contains(buf.Bytes(), []byte(`micro_client_request_inflight{endpoint="Service.Method"} 0`)) {
t.Fatalf("invalid metrics output: %s", buf.Bytes())
}
}
func TestMultiple(t *testing.T) {
m := NewMeter() // meter.Labels("test_key", "test_val"))
m.Counter("micro_server", "endpoint", "ep1", "path", "/path1").Inc()
m.Counter("micro_server", "endpoint", "ep1", "path", "/path1").Inc()
m.Counter("micro_server", "endpoint", "ep2", "path", "/path2").Inc()
m.Counter("micro_server", "endpoint", "ep2", "path", "/path2").Inc()
m.Counter("micro_server", "endpoint", "ep3", "path", "/path3", "status", "success").Inc()
buf := bytes.NewBuffer(nil)
_ = m.Write(buf, meter.WriteProcessMetrics(false), meter.WriteFDMetrics(false))
if !bytes.Contains(buf.Bytes(), []byte(`micro_server{endpoint="ep1",path="/path1"} 2`)) {
// t.Fatal("XXXX")
t.Fatalf("invalid metrics output: %s", buf.Bytes())
}
}