d40844181a
For randomizing update check intervals and backoff delays to reduce chance of DoSing the server if lots of clients start together.
32 lines
867 B
Go
32 lines
867 B
Go
// Copyright 2017 CoreOS, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package client
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import (
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"testing"
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"time"
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)
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func TestFuzzyDuration(t *testing.T) {
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const d = time.Minute
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for i := 0; i < 1000; i++ {
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f := FuzzyDuration(d, d)
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if f < d/2 {
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t.Errorf("%d < %d", f, d/2)
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} else if f > d+d/2 {
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t.Errorf("%d > %d", f, d+d/2)
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}
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}
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}
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