micro-meter-prometheus/prometheus_test.go
Vasiliy Tolstov 3d0ec5c6ea
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recover go std metrics
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2024-04-04 16:52:52 +03:00

84 lines
2.3 KiB
Go

package prometheus
import (
"bytes"
"context"
"testing"
"go.unistack.org/micro/v4/client"
"go.unistack.org/micro/v4/codec"
"go.unistack.org/micro/v4/meter"
"go.unistack.org/micro/v4/meter/wrapper"
)
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 TestBuildName(t *testing.T) {
m := NewMeter()
check := `micro_foo{micro_aaa="b",micro_bar="baz",micro_ccc="d"}`
name := m.buildMetric("foo", "bar", "baz", "aaa", "b", "ccc", "d")
if name != check {
t.Fatalf("metric name error: %s != %s", name, check)
}
cnt := m.Counter("counter", "key", "val")
cnt.Inc()
}
func TestWrapper(t *testing.T) {
t.Skip()
m := NewMeter() // meter.Labels("test_key", "test_val"))
w := wrapper.NewClientWrapper(
wrapper.ServiceName("svc1"),
wrapper.ServiceVersion("0.0.1"),
wrapper.ServiceID("12345"),
wrapper.Meter(m),
)
_ = w
ctx := context.Background()
c := client.NewClient()
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{micro_endpoint="svc2.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("server", "endpoint", "ep1", "path", "/path1").Inc()
m.Counter("server", "endpoint", "ep1", "path", "/path1").Inc()
m.Counter("server", "endpoint", "ep2", "path", "/path2").Inc()
m.Counter("server", "endpoint", "ep2", "path", "/path2").Inc()
m.Counter("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{micro_endpoint="ep1",micro_path="/path1"} 2`)) {
// t.Fatal("XXXX")
t.Fatalf("invalid metrics output: %s", buf.Bytes())
}
}