Add prometheus support

metric/prometheus_test.go

@@ -0,0 +1,42 @@
+// Copyright 2020 astaxie
+//
+// 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 metric
+
+import (
+	"net/http"
+	"net/url"
+	"testing"
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+
+	"github.com/astaxie/beego/context"
+)
+
+func TestPrometheusMiddleWare(t *testing.T) {
+	middleware := PrometheusMiddleWare(http.HandlerFunc(func(http.ResponseWriter, *http.Request) {}))
+	writer := &context.Response{}
+	request := &http.Request{
+		URL: &url.URL{
+			Host:    "localhost",
+			RawPath: "/a/b/c",
+		},
+		Method: "POST",
+	}
+	vec := prometheus.NewSummaryVec(prometheus.SummaryOpts{}, []string{"pattern", "method", "status"})
+
+	report(time.Second, writer, request, vec)
+	middleware.ServeHTTP(writer, request)
+}