52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
/*
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Copyright 2020 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 internal_test
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import (
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"testing"
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"time"
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"k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/internal"
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)
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func TestAtMostEvery(t *testing.T) {
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duration := time.Second
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delay := 179 * time.Millisecond
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atMostEvery := internal.NewAtMostEvery(delay)
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count := 0
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exit := time.NewTicker(duration)
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tick := time.NewTicker(2 * time.Millisecond)
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defer exit.Stop()
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defer tick.Stop()
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done := false
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for !done {
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select {
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case <-exit.C:
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done = true
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case <-tick.C:
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atMostEvery.Do(func() {
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count++
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})
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}
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}
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if expected := int(duration/delay) + 1; count > expected {
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t.Fatalf("Function called %d times, should have been called less than or equal to %d times", count, expected)
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}
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}
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