mirror of https://github.com/k3s-io/k3s
87 lines
2.5 KiB
Go
87 lines
2.5 KiB
Go
/*
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Copyright 2017 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 util
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import (
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"testing"
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"time"
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ktypes "k8s.io/apimachinery/pkg/types"
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)
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type fakeClock struct {
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t time.Time
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}
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func (f *fakeClock) Now() time.Time {
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return f.t
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}
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func TestBackoff(t *testing.T) {
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clock := fakeClock{}
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backoff := CreatePodBackoffWithClock(1*time.Second, 60*time.Second, &clock)
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tests := []struct {
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podID ktypes.NamespacedName
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expectedDuration time.Duration
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advanceClock time.Duration
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}{
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{
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podID: ktypes.NamespacedName{Namespace: "default", Name: "foo"},
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expectedDuration: 1 * time.Second,
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},
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{
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podID: ktypes.NamespacedName{Namespace: "default", Name: "foo"},
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expectedDuration: 2 * time.Second,
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},
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{
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podID: ktypes.NamespacedName{Namespace: "default", Name: "foo"},
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expectedDuration: 4 * time.Second,
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},
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{
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podID: ktypes.NamespacedName{Namespace: "default", Name: "bar"},
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expectedDuration: 1 * time.Second,
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advanceClock: 120 * time.Second,
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},
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// 'foo' should have been gc'd here.
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{
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podID: ktypes.NamespacedName{Namespace: "default", Name: "foo"},
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expectedDuration: 1 * time.Second,
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},
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}
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for _, test := range tests {
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duration := backoff.GetEntry(test.podID).getBackoff(backoff.maxDuration)
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if duration != test.expectedDuration {
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t.Errorf("expected: %s, got %s for %s", test.expectedDuration.String(), duration.String(), test.podID)
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}
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clock.t = clock.t.Add(test.advanceClock)
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backoff.Gc()
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}
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fooID := ktypes.NamespacedName{Namespace: "default", Name: "foo"}
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backoff.perPodBackoff[fooID].backoff = 60 * time.Second
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duration := backoff.GetEntry(fooID).getBackoff(backoff.maxDuration)
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if duration != 60*time.Second {
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t.Errorf("expected: 60, got %s", duration.String())
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}
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// Verify that we split on namespaces correctly, same name, different namespace
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fooID.Namespace = "other"
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duration = backoff.GetEntry(fooID).getBackoff(backoff.maxDuration)
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if duration != 1*time.Second {
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t.Errorf("expected: 1, got %s", duration.String())
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}
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}
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