mirror of https://github.com/k3s-io/k3s
113 lines
3.3 KiB
Go
113 lines
3.3 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 persistentvolume
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import (
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"reflect"
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"testing"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func TestUpdateGetBindings(t *testing.T) {
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scenarios := map[string]struct {
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updateBindings []*bindingInfo
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updatePod string
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updateNode string
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getBindings []*bindingInfo
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getPod string
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getNode string
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}{
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"no-pod": {
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getPod: "pod1",
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getNode: "node1",
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},
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"no-node": {
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updatePod: "pod1",
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updateNode: "node1",
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updateBindings: []*bindingInfo{},
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getPod: "pod1",
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getNode: "node2",
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},
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"binding-exists": {
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updatePod: "pod1",
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updateNode: "node1",
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updateBindings: []*bindingInfo{{pvc: &v1.PersistentVolumeClaim{ObjectMeta: metav1.ObjectMeta{Name: "pvc1"}}}},
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getPod: "pod1",
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getNode: "node1",
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getBindings: []*bindingInfo{{pvc: &v1.PersistentVolumeClaim{ObjectMeta: metav1.ObjectMeta{Name: "pvc1"}}}},
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},
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}
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for name, scenario := range scenarios {
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cache := NewPodBindingCache()
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// Perform updates
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updatePod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: scenario.updatePod, Namespace: "ns"}}
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cache.UpdateBindings(updatePod, scenario.updateNode, scenario.updateBindings)
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// Verify updated bindings
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bindings := cache.GetBindings(updatePod, scenario.updateNode)
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if !reflect.DeepEqual(bindings, scenario.updateBindings) {
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t.Errorf("Test %v failed: returned bindings after update different. Got %+v, expected %+v", name, bindings, scenario.updateBindings)
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}
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// Get bindings
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getPod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: scenario.getPod, Namespace: "ns"}}
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bindings = cache.GetBindings(getPod, scenario.getNode)
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if !reflect.DeepEqual(bindings, scenario.getBindings) {
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t.Errorf("Test %v failed: unexpected bindings returned. Got %+v, expected %+v", name, bindings, scenario.updateBindings)
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}
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}
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}
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func TestDeleteBindings(t *testing.T) {
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initialBindings := []*bindingInfo{{pvc: &v1.PersistentVolumeClaim{ObjectMeta: metav1.ObjectMeta{Name: "pvc1"}}}}
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cache := NewPodBindingCache()
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pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod1", Namespace: "ns"}}
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// Get nil bindings
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bindings := cache.GetBindings(pod, "node1")
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if bindings != nil {
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t.Errorf("Test failed: expected initial nil bindings, got %+v", bindings)
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}
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// Delete nothing
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cache.DeleteBindings(pod)
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// Perform updates
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cache.UpdateBindings(pod, "node1", initialBindings)
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// Get bindings
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bindings = cache.GetBindings(pod, "node1")
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if !reflect.DeepEqual(bindings, initialBindings) {
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t.Errorf("Test failed: expected bindings %+v, got %+v", initialBindings, bindings)
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}
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// Delete
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cache.DeleteBindings(pod)
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// Get bindings
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bindings = cache.GetBindings(pod, "node1")
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if bindings != nil {
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t.Errorf("Test failed: expected nil bindings, got %+v", bindings)
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}
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}
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