autoscaler/cluster-autoscaler/clusterstate/api/utils_test.go

92 lines
3.9 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 api
import (
"fmt"
"regexp"
"testing"
"github.com/stretchr/testify/assert"
)
func prepareConditions() (health, scaleUp ClusterAutoscalerCondition) {
healthCondition := ClusterAutoscalerCondition{
Type: ClusterAutoscalerHealth,
Status: ClusterAutoscalerHealthy,
Message: "HEALTH_MESSAGE"}
scaleUpCondition := ClusterAutoscalerCondition{
Type: ClusterAutoscalerScaleUp,
Status: ClusterAutoscalerNotNeeded,
Message: "SCALE_UP_MESSAGE"}
return healthCondition, scaleUpCondition
}
func TestGetStringForEmptyStatus(t *testing.T) {
var empty ClusterAutoscalerStatus
assert.Regexp(t, regexp.MustCompile("\\s*Health:\\s*<unknown>"), empty.GetReadableString())
}
func TestGetStringNothingGoingOn(t *testing.T) {
var status ClusterAutoscalerStatus
healthCondition, scaleUpCondition := prepareConditions()
status.ClusterwideConditions = append(status.ClusterwideConditions, healthCondition)
status.ClusterwideConditions = append(status.ClusterwideConditions, scaleUpCondition)
// Make sure everything is printed
result := status.GetReadableString()
assert.Regexp(t, regexp.MustCompile(fmt.Sprintf("%v:\\s*%v", ClusterAutoscalerHealth, ClusterAutoscalerHealthy)), result)
assert.Regexp(t, regexp.MustCompile(fmt.Sprintf("%v.*HEALTH_MESSAGE", ClusterAutoscalerHealth)), result)
assert.NotRegexp(t, regexp.MustCompile(fmt.Sprintf("%v.*SCALE_UP_MESSAGE", ClusterAutoscalerHealth)), result)
assert.NotRegexp(t, regexp.MustCompile("NodeGroups"), result)
assert.Regexp(t, regexp.MustCompile(fmt.Sprintf("%v:\\s*%v", ClusterAutoscalerScaleUp, ClusterAutoscalerNotNeeded)), result)
// Check if reordering fields doesn't change output
var reorderedStatus ClusterAutoscalerStatus
reorderedStatus.ClusterwideConditions = append(status.ClusterwideConditions, scaleUpCondition)
reorderedStatus.ClusterwideConditions = append(status.ClusterwideConditions, healthCondition)
reorderedResult := reorderedStatus.GetReadableString()
assert.Equal(t, result, reorderedResult)
}
func TestGetStringScalingUp(t *testing.T) {
var status ClusterAutoscalerStatus
healthCondition, scaleUpCondition := prepareConditions()
scaleUpCondition.Status = ClusterAutoscalerInProgress
status.ClusterwideConditions = append(status.ClusterwideConditions, healthCondition)
status.ClusterwideConditions = append(status.ClusterwideConditions, scaleUpCondition)
result := status.GetReadableString()
assert.Regexp(t, regexp.MustCompile(fmt.Sprintf("%v:\\s*%v.*SCALE_UP_MESSAGE", ClusterAutoscalerScaleUp, ClusterAutoscalerInProgress)), result)
}
func TestGetStringNodeGroups(t *testing.T) {
var status ClusterAutoscalerStatus
healthCondition, scaleUpCondition := prepareConditions()
status.ClusterwideConditions = append(status.ClusterwideConditions, healthCondition)
status.ClusterwideConditions = append(status.ClusterwideConditions, scaleUpCondition)
var ng1, ng2 NodeGroupStatus
ng1.ProviderID = "ng1"
ng1.Conditions = status.ClusterwideConditions
ng2.ProviderID = "ng2"
ng2.Conditions = status.ClusterwideConditions
status.NodeGroupStatuses = append(status.NodeGroupStatuses, ng1)
status.NodeGroupStatuses = append(status.NodeGroupStatuses, ng2)
result := status.GetReadableString()
assert.Regexp(t, regexp.MustCompile("(?ms)NodeGroups:.*Name:\\s*ng1"), result)
assert.Regexp(t, regexp.MustCompile("(?ms)NodeGroups:.*Name:\\s*ng2"), result)
}