78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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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 server
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import (
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"testing"
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"time"
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testingclock "k8s.io/utils/clock/testing"
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)
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func TestDelayedHealthCheck(t *testing.T) {
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t.Run("test that liveness check returns true until the delay has elapsed", func(t *testing.T) {
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t0 := time.Unix(0, 0)
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c := testingclock.NewFakeClock(t0)
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doneCh := make(chan struct{})
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healthCheck := delayedHealthCheck(postStartHookHealthz{"test", doneCh}, c, time.Duration(10)*time.Second)
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err := healthCheck.Check(nil)
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if err != nil {
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t.Errorf("Got %v, expected no error", err)
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}
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c.Step(10 * time.Second)
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err = healthCheck.Check(nil)
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if err != nil {
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t.Errorf("Got %v, expected no error", err)
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}
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c.Step(1 * time.Millisecond)
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err = healthCheck.Check(nil)
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if err == nil || err.Error() != "not finished" {
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t.Errorf("Got '%v', but expected error to be 'not finished'", err)
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}
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close(doneCh)
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err = healthCheck.Check(nil)
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if err != nil {
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t.Errorf("Got %v, expected no error", err)
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}
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})
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t.Run("test that liveness check does not toggle false even if done channel is closed early", func(t *testing.T) {
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t0 := time.Unix(0, 0)
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c := testingclock.NewFakeClock(t0)
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doneCh := make(chan struct{})
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healthCheck := delayedHealthCheck(postStartHookHealthz{"test", doneCh}, c, time.Duration(10)*time.Second)
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err := healthCheck.Check(nil)
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if err != nil {
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t.Errorf("Got %v, expected no error", err)
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}
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close(doneCh)
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c.Step(10 * time.Second)
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err = healthCheck.Check(nil)
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if err != nil {
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t.Errorf("Got %v, expected no error", err)
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}
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c.Step(1 * time.Millisecond)
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err = healthCheck.Check(nil)
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if err != nil {
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t.Errorf("Got %v, expected no error", err)
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}
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})
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}
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