mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-03 03:38:15 +00:00
Add unit tests for ClaimPods
This commit is contained in:
Łukasz Oleś
@@ -61,7 +61,10 @@ go_library(
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go_test(
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name = "go_default_test",
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srcs = ["controller_utils_test.go"],
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srcs = [
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"controller_ref_manager_test.go",
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"controller_utils_test.go",
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],
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library = ":go_default_library",
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tags = ["automanaged"],
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deps = [
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@@ -73,9 +76,13 @@ go_test(
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"//pkg/securitycontext:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/api/equality:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/labels:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/util/uuid:go_default_library",
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"//vendor/k8s.io/client-go/pkg/apis/extensions:go_default_library",
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"//vendor/k8s.io/client-go/rest:go_default_library",
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"//vendor/k8s.io/client-go/tools/cache:go_default_library",
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"//vendor/k8s.io/client-go/tools/record:go_default_library",
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176
pkg/controller/controller_ref_manager_test.go
Normal file
176
pkg/controller/controller_ref_manager_test.go
Normal file
@@ -0,0 +1,176 @@
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/*
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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 controller
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import (
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"reflect"
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/pkg/apis/extensions"
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"k8s.io/kubernetes/pkg/api/v1"
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)
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var (
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productionLabel = map[string]string{"type": "production"}
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testLabel = map[string]string{"type": "testing"}
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productionLabelSelector = labels.Set{"type": "production"}.AsSelector()
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testLabelSelector = labels.Set{"type": "testing"}.AsSelector()
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controllerUID = "123"
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)
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func newControllerRef(controller metav1.Object) *metav1.OwnerReference {
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var controllerKind = extensions.SchemeGroupVersion.WithKind("Fake")
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blockOwnerDeletion := true
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isController := true
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return &metav1.OwnerReference{
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APIVersion: controllerKind.GroupVersion().String(),
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Kind: controllerKind.Kind,
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Name: "Fake",
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UID: controller.GetUID(),
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BlockOwnerDeletion: &blockOwnerDeletion,
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Controller: &isController,
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}
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}
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func newPod(podName string, label map[string]string, owner metav1.Object) *v1.Pod {
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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Labels: label,
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Namespace: metav1.NamespaceDefault,
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Image: "foo/bar",
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},
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},
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},
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}
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if owner != nil {
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pod.OwnerReferences = []metav1.OwnerReference{*newControllerRef(owner)}
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}
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return pod
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}
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func TestClaimPods(t *testing.T) {
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controllerKind := schema.GroupVersionKind{}
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type test struct {
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name string
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manager *PodControllerRefManager
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pods []*v1.Pod
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filters []func(*v1.Pod) bool
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claimed []*v1.Pod
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released []*v1.Pod
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expectError bool
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}
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var tests = []test{
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{
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name: "Claim pods with correct label",
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manager: NewPodControllerRefManager(&FakePodControl{},
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&v1.ReplicationController{},
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productionLabelSelector,
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controllerKind,
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func() error { return nil }),
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pods: []*v1.Pod{newPod("pod1", productionLabel, nil), newPod("pod2", testLabel, nil)},
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claimed: []*v1.Pod{newPod("pod1", productionLabel, nil)},
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},
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func() test {
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controller := v1.ReplicationController{}
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controller.UID = types.UID(controllerUID)
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now := metav1.Now()
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controller.DeletionTimestamp = &now
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return test{
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name: "Controller marked for deletion can not claim pods",
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manager: NewPodControllerRefManager(&FakePodControl{},
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&controller,
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productionLabelSelector,
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controllerKind,
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func() error { return nil }),
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pods: []*v1.Pod{newPod("pod1", productionLabel, nil), newPod("pod2", productionLabel, nil)},
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claimed: nil,
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}
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}(),
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func() test {
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controller := v1.ReplicationController{}
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controller.UID = types.UID(controllerUID)
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now := metav1.Now()
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controller.DeletionTimestamp = &now
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return test{
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name: "Controller marked for deletion can not claim new pods",
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manager: NewPodControllerRefManager(&FakePodControl{},
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&controller,
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productionLabelSelector,
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controllerKind,
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func() error { return nil }),
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pods: []*v1.Pod{newPod("pod1", productionLabel, &controller), newPod("pod2", productionLabel, nil)},
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claimed: []*v1.Pod{newPod("pod1", productionLabel, &controller)},
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}
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}(),
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func() test {
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controller := v1.ReplicationController{}
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controller2 := v1.ReplicationController{}
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controller.UID = types.UID(controllerUID)
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controller2.UID = types.UID("AAAAA")
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return test{
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name: "Controller can not claim pods owned by another controller",
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manager: NewPodControllerRefManager(&FakePodControl{},
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&controller,
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productionLabelSelector,
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controllerKind,
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func() error { return nil }),
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pods: []*v1.Pod{newPod("pod1", productionLabel, &controller), newPod("pod2", productionLabel, &controller2)},
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claimed: []*v1.Pod{newPod("pod1", productionLabel, &controller)},
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}
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}(),
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func() test {
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controller := v1.ReplicationController{}
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controller.UID = types.UID(controllerUID)
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return test{
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name: "Controller releases claimed pods when selector doesn't match",
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manager: NewPodControllerRefManager(&FakePodControl{},
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&controller,
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productionLabelSelector,
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controllerKind,
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func() error { return nil }),
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pods: []*v1.Pod{newPod("pod1", productionLabel, &controller), newPod("pod2", testLabel, &controller)},
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claimed: []*v1.Pod{newPod("pod1", productionLabel, &controller)},
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}
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}(),
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}
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for _, test := range tests {
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claimed, err := test.manager.ClaimPods(test.pods)
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if test.expectError && err == nil {
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t.Errorf("Test case `%s`, expected error but got nil", test.name)
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} else if !reflect.DeepEqual(test.claimed, claimed) {
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t.Errorf("Test case `%s`, claimed wrong pods. Expected %v, got %v", test.name, podToStringSlice(test.claimed), podToStringSlice(claimed))
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}
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}
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}
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func podToStringSlice(pods []*v1.Pod) []string {
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var names []string
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for _, pod := range pods {
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names = append(names, pod.Name)
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}
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return names
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}
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