100 lines
3.1 KiB
Go
100 lines
3.1 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 queue
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import (
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"fmt"
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"testing"
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"time"
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ktypes "k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/clock"
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)
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func TestBackoffPod(t *testing.T) {
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timestamp := time.Now()
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bpm := NewPodBackoffMap(1*time.Second, 10*time.Second, clock.NewFakeClock(timestamp))
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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: "foo"},
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expectedDuration: 8 * 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: 10 * 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: 10 * 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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},
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}
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for i, test := range tests {
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t.Run(fmt.Sprintf("step %d", i), func(t *testing.T) {
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bpm.BackoffPod(test.podID)
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backoff, ok := bpm.GetBackoffTime(test.podID)
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if !ok {
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t.Errorf("%v should be backed off", test.podID)
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}
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duration := backoff.Sub(timestamp)
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if duration != test.expectedDuration {
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t.Errorf("expected: %s, got %s for pod %s", test.expectedDuration.String(), duration.String(), test.podID)
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}
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})
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}
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}
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func TestClearPodBackoff(t *testing.T) {
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bpm := NewPodBackoffMap(1*time.Second, 60*time.Second, clock.NewFakeClock(time.Now()))
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// Clear backoff on an not existed pod
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bpm.clearPodBackoff(ktypes.NamespacedName{Namespace: "ns", Name: "not-existed"})
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// Backoff twice for pod foo
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podID := ktypes.NamespacedName{Namespace: "ns", Name: "foo"}
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bpm.BackoffPod(podID)
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bpm.BackoffPod(podID)
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if duration := bpm.calculateBackoffDuration(podID); duration != 2*time.Second {
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t.Errorf("Expected backoff of 1s for pod %s, got %s", podID, duration.String())
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}
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// Clear backoff for pod foo
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bpm.clearPodBackoff(podID)
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// Backoff once for pod foo
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bpm.BackoffPod(podID)
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if duration := bpm.calculateBackoffDuration(podID); duration != 1*time.Second {
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t.Errorf("Expected backoff of 1s for pod %s, got %s", podID, duration.String())
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}
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}
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