mirror of https://github.com/knative/pkg.git
78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
/*
|
|
Copyright 2019 The Knative 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 metrics
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
. "knative.dev/pkg/logging/testing"
|
|
)
|
|
|
|
func TestNewPrometheusExporter(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
config metricsConfig
|
|
expectedAddr string
|
|
}{{
|
|
name: "port 9090",
|
|
config: metricsConfig{
|
|
domain: servingDomain,
|
|
component: testComponent,
|
|
backendDestination: Prometheus,
|
|
prometheusPort: 9090,
|
|
},
|
|
expectedAddr: ":9090",
|
|
}, {
|
|
name: "port 9091",
|
|
config: metricsConfig{
|
|
domain: servingDomain,
|
|
component: testComponent,
|
|
backendDestination: Prometheus,
|
|
prometheusPort: 9091,
|
|
},
|
|
expectedAddr: ":9091",
|
|
}}
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
e, err := newPrometheusExporter(&tc.config, TestLogger(t))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if e == nil {
|
|
t.Fatal("expected a non-nil metrics exporter")
|
|
}
|
|
expectPromSrv(t, tc.expectedAddr)
|
|
})
|
|
}
|
|
}
|
|
|
|
func expectPromSrv(t *testing.T, expectedAddr string) {
|
|
time.Sleep(200 * time.Millisecond)
|
|
srv := getCurPromSrv()
|
|
if srv == nil {
|
|
t.Fatal("expected a server for prometheus exporter")
|
|
}
|
|
if got, want := srv.Addr, expectedAddr; got != want {
|
|
t.Errorf("metrics port addresses diff, got=%v, want=%v", got, want)
|
|
}
|
|
}
|
|
|
|
func expectNoPromSrv(t *testing.T) {
|
|
time.Sleep(200 * time.Millisecond)
|
|
srv := getCurPromSrv()
|
|
if srv != nil {
|
|
t.Error("expected no server for stackdriver exporter")
|
|
}
|
|
}
|