84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
/*
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Copyright 2022 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 cacher
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import (
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"testing"
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)
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func Test_newReady(t *testing.T) {
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errCh := make(chan error, 10)
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ready := newReady()
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ready.set(false)
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// create 10 goroutines waiting for ready
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for i := 0; i < 10; i++ {
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go func() {
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errCh <- ready.wait()
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}()
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}
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ready.set(true)
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for i := 0; i < 10; i++ {
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if err := <-errCh; err != nil {
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t.Errorf("unexpected error on channel %d", i)
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}
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}
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}
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func Test_newReadyStop(t *testing.T) {
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errCh := make(chan error, 10)
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ready := newReady()
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ready.set(false)
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// create 10 goroutines waiting for ready and stop
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for i := 0; i < 10; i++ {
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go func() {
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errCh <- ready.wait()
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}()
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}
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ready.stop()
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for i := 0; i < 10; i++ {
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if err := <-errCh; err == nil {
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t.Errorf("unexpected success on channel %d", i)
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}
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}
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}
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func Test_newReadyCheck(t *testing.T) {
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ready := newReady()
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// it starts as false
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if ready.check() {
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t.Errorf("unexpected ready state %v", ready.check())
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}
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ready.set(true)
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if !ready.check() {
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t.Errorf("unexpected ready state %v", ready.check())
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}
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// stop sets ready to false
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ready.stop()
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if ready.check() {
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t.Errorf("unexpected ready state %v", ready.check())
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}
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// can not set to true if is stopped
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ready.set(true)
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if ready.check() {
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t.Errorf("unexpected ready state %v", ready.check())
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}
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err := ready.wait()
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if err == nil {
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t.Errorf("expected error waiting on a stopped state")
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}
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}
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