autoscaler/cluster-autoscaler/metrics/liveness_test.go

131 lines
4.0 KiB
Go

/*
Copyright 2017 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 metrics
import (
"net/http/httptest"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func getTestResponse(start time.Time, activityTimeout, successTimeout time.Duration, checkMonitoring bool) *httptest.ResponseRecorder {
req := httptest.NewRequest("GET", "/health-check", nil)
w := httptest.NewRecorder()
healthCheck := NewHealthCheck(activityTimeout, successTimeout)
if checkMonitoring {
healthCheck.StartMonitoring()
}
healthCheck.lastActivity = start
healthCheck.lastSuccessfulRun = start
healthCheck.ServeHTTP(w, req)
return w
}
func TestOkServeHTTP(t *testing.T) {
w := getTestResponse(time.Now(), time.Second, time.Second, true)
assert.Equal(t, 200, w.Code)
}
func TestFailTimeoutServeHTTP(t *testing.T) {
w := getTestResponse(time.Now().Add(time.Second*-2), time.Second, time.Second, true)
assert.Equal(t, 500, w.Code)
}
func TestMonitoringOffAfterTimeout(t *testing.T) {
w := getTestResponse(time.Now().Add(time.Second*-2), time.Second, time.Second, false)
assert.Equal(t, 200, w.Code)
}
func TestMonitoringOffBeforeTimeout(t *testing.T) {
w := getTestResponse(time.Now().Add(time.Second*2), time.Second, time.Second, false)
assert.Equal(t, 200, w.Code)
}
func TestUpdateLastActivity(t *testing.T) {
timeout := time.Second
start := time.Now().Add(timeout * -2)
// to make sure it doesn't cause health check failure
lastSuccess := time.Now().Add(timeout * 10)
req := httptest.NewRequest("GET", "/health-check", nil)
healthCheck := NewHealthCheck(timeout, timeout)
healthCheck.StartMonitoring()
healthCheck.lastActivity = start
healthCheck.lastSuccessfulRun = lastSuccess
w := httptest.NewRecorder()
healthCheck.ServeHTTP(w, req)
assert.Equal(t, 500, w.Code)
w = httptest.NewRecorder()
healthCheck.UpdateLastActivity(time.Now())
healthCheck.ServeHTTP(w, req)
assert.Equal(t, 200, w.Code)
}
func TestUpdateActivityAtUpdateLastSuccessfulRun(t *testing.T) {
timeout := time.Second
start := time.Now().Add(timeout * -2)
// to make sure it doesn't cause health check failure
lastSuccess := time.Now().Add(timeout * 10)
req := httptest.NewRequest("GET", "/health-check", nil)
healthCheck := NewHealthCheck(timeout, timeout)
healthCheck.StartMonitoring()
healthCheck.lastActivity = start
healthCheck.lastSuccessfulRun = lastSuccess
w := httptest.NewRecorder()
healthCheck.ServeHTTP(w, req)
assert.Equal(t, 500, w.Code)
w = httptest.NewRecorder()
healthCheck.UpdateLastSuccessfulRun(time.Now())
healthCheck.ServeHTTP(w, req)
assert.Equal(t, 200, w.Code)
// verify last successful run from the future wasn't overwritten
assert.Equal(t, true, healthCheck.lastSuccessfulRun.After(healthCheck.lastActivity))
}
func TestUpdateLastSuccessfulRun(t *testing.T) {
timeout := time.Second
start := time.Now().Add(timeout * -2)
// to make sure it doesn't cause health check failure
lastActivity := time.Now().Add(timeout * 10)
req := httptest.NewRequest("GET", "/health-check", nil)
healthCheck := NewHealthCheck(timeout, timeout)
healthCheck.StartMonitoring()
healthCheck.lastActivity = lastActivity
healthCheck.lastSuccessfulRun = start
w := httptest.NewRecorder()
healthCheck.ServeHTTP(w, req)
assert.Equal(t, 500, w.Code)
w = httptest.NewRecorder()
healthCheck.UpdateLastSuccessfulRun(time.Now())
healthCheck.ServeHTTP(w, req)
assert.Equal(t, 200, w.Code)
// verify last activity timestamp from the future wasn't overwritten
assert.Equal(t, true, healthCheck.lastActivity.After(healthCheck.lastSuccessfulRun))
}