Add nginx metrics to prometheus

controllers/nginx/pkg/cmd/controller/status_test.go

@@ -0,0 +1,70 @@
+/*
+Copyright 2015 The Kubernetes 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 main
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestParseStatus(t *testing.T) {
+	tests := []struct {
+		in  string
+		out *nginxStatus
+	}{
+		{`Active connections: 43
+server accepts handled requests
+ 7368 7368 10993
+Reading: 0 Writing: 5 Waiting: 38`,
+			&nginxStatus{43, 7368, 7368, 10993, 0, 5, 38},
+		},
+		{`Active connections: 0
+server accepts handled requests
+ 1 7 0
+Reading: A Writing: B Waiting: 38`,
+			&nginxStatus{0, 1, 7, 0, 0, 0, 38},
+		},
+	}
+
+	for _, test := range tests {
+		r := parse(test.in)
+		if !reflect.DeepEqual(r, test.out) {
+			t.Fatalf("expected %v but returned  %v", test.out, r)
+		}
+	}
+}
+
+func TestToint(t *testing.T) {
+	tests := []struct {
+		in  []string
+		pos int
+		exp int
+	}{
+		{[]string{}, 0, 0},
+		{[]string{}, 1, 0},
+		{[]string{"A"}, 0, 0},
+		{[]string{"1"}, 0, 1},
+		{[]string{"a", "2"}, 1, 2},
+	}
+
+	for _, test := range tests {
+		v := toInt(test.in, test.pos)
+		if v != test.exp {
+			t.Fatalf("expected %v but returned  %v", test.exp, v)
+		}
+	}
+}