mirror of
https://github.com/kubernetes/node-problem-detector.git
synced 2026-02-22 13:53:53 +00:00
129 lines
4.0 KiB
Go
129 lines
4.0 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package condition
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import (
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"fmt"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"k8s.io/node-problem-detector/pkg/problemclient"
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"k8s.io/node-problem-detector/pkg/types"
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problemutil "k8s.io/node-problem-detector/pkg/util"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/util/clock"
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)
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func newTestManager() (*conditionManager, *problemclient.FakeProblemClient, *clock.FakeClock) {
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fakeClient := problemclient.NewFakeProblemClient()
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fakeClock := clock.NewFakeClock(time.Now())
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manager := NewConditionManager(fakeClient, fakeClock)
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return manager.(*conditionManager), fakeClient, fakeClock
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}
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func newTestCondition(condition string) types.Condition {
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return types.Condition{
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Type: condition,
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Status: types.True,
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Transition: time.Now(),
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Reason: "TestReason",
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Message: "test message",
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}
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}
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func TestNeedUpdates(t *testing.T) {
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m, _, _ := newTestManager()
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var c types.Condition
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for desc, test := range map[string]struct {
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condition string
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update bool
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}{
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"Init condition needs update": {
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condition: "TestCondition",
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update: true,
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},
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"Same condition doesn't need update": {
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// not set condition, the test will reuse the condition in last case.
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update: false,
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},
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"Same condition with different timestamp need update": {
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condition: "TestCondition",
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update: true,
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},
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"New condition needs update": {
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condition: "TestConditionNew",
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update: true,
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},
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} {
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if test.condition != "" {
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c = newTestCondition(test.condition)
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}
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m.UpdateCondition(c)
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assert.Equal(t, test.update, m.needUpdates(), desc)
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assert.Equal(t, c, m.conditions[c.Type], desc)
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}
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}
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func TestGetConditions(t *testing.T) {
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m, _, _ := newTestManager()
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assert.Empty(t, m.GetConditions())
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testCondition1 := newTestCondition("TestCondition1")
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testCondition2 := newTestCondition("TestCondition2")
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m.UpdateCondition(testCondition1)
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m.UpdateCondition(testCondition2)
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assert.True(t, m.needUpdates())
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assert.Contains(t, m.GetConditions(), testCondition1)
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assert.Contains(t, m.GetConditions(), testCondition2)
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}
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func TestResync(t *testing.T) {
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m, fakeClient, fakeClock := newTestManager()
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condition := newTestCondition("TestCondition")
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m.conditions = map[string]types.Condition{condition.Type: condition}
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m.sync()
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expected := []v1.NodeCondition{problemutil.ConvertToAPICondition(condition)}
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assert.Nil(t, fakeClient.AssertConditions(expected), "Condition should be updated via client")
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assert.False(t, m.needResync(), "Should not resync before resync period")
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fakeClock.Step(resyncPeriod)
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assert.False(t, m.needResync(), "Should not resync after resync period without resync needed")
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fakeClient.InjectError("SetConditions", fmt.Errorf("injected error"))
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m.sync()
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assert.False(t, m.needResync(), "Should not resync before resync period")
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fakeClock.Step(resyncPeriod)
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assert.True(t, m.needResync(), "Should resync after resync period and resync is needed")
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}
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func TestHeartbeat(t *testing.T) {
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m, fakeClient, fakeClock := newTestManager()
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condition := newTestCondition("TestCondition")
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m.conditions = map[string]types.Condition{condition.Type: condition}
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m.sync()
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expected := []v1.NodeCondition{problemutil.ConvertToAPICondition(condition)}
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assert.Nil(t, fakeClient.AssertConditions(expected), "Condition should be updated via client")
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assert.False(t, m.needHeartbeat(), "Should not heartbeat before heartbeat period")
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fakeClock.Step(heartbeatPeriod)
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assert.True(t, m.needHeartbeat(), "Should heartbeat after heartbeat period")
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}
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