mirror of
https://github.com/intel/intel-device-plugins-for-kubernetes.git
synced 2025-06-03 03:59:37 +00:00
396 lines
8.7 KiB
Go
396 lines
8.7 KiB
Go
// Copyright 2018 Intel Corporation. All Rights Reserved.
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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 main
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import (
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"flag"
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"fmt"
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"testing"
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"time"
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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/client-go/rest"
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v2 "github.com/intel/intel-device-plugins-for-kubernetes/pkg/apis/fpga.intel.com/v2"
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listers "github.com/intel/intel-device-plugins-for-kubernetes/pkg/client/listers/fpga.intel.com/v2"
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)
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type fakeAfNamespaceLister struct {
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af *v2.AcceleratorFunction
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err error
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}
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func init() {
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flag.Set("v", "4") ///Enable debug output
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}
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func (nl *fakeAfNamespaceLister) Get(name string) (*v2.AcceleratorFunction, error) {
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return nl.af, nl.err
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}
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func (nl *fakeAfNamespaceLister) List(selector labels.Selector) (ret []*v2.AcceleratorFunction, err error) {
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return nil, nil
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}
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type fakeAfLister struct {
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af *v2.AcceleratorFunction
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err error
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}
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func (l *fakeAfLister) AcceleratorFunctions(namespace string) listers.AcceleratorFunctionNamespaceLister {
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return &fakeAfNamespaceLister{
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af: l.af,
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err: l.err,
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}
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}
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func (l *fakeAfLister) List(selector labels.Selector) (ret []*v2.AcceleratorFunction, err error) {
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return nil, nil
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}
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func TestSyncAfHandler(t *testing.T) {
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tcases := []struct {
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name string
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key string
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afLister *fakeAfLister
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expectedErr bool
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}{
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{
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name: "Wrong key format",
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key: "wrong/key/format/of/object",
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},
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{
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name: "Known key",
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key: "default/arria10-nlb0",
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afLister: &fakeAfLister{
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af: &v2.AcceleratorFunction{
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ObjectMeta: metav1.ObjectMeta{
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Name: "arria10-nlb0",
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},
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Spec: v2.AcceleratorFunctionSpec{
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AfuID: "d8424dc4a4a3c413f89e433683f9040b",
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},
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},
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},
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},
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{
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name: "Unknown key",
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key: "default/unknown",
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},
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{
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name: "Unhandled error",
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key: "default/unknown",
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afLister: &fakeAfLister{
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err: fmt.Errorf("Some fake error"),
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},
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expectedErr: true,
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},
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}
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for _, tt := range tcases {
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pm := newPatcherManager()
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c, err := newController(pm, &rest.Config{})
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if err != nil {
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t.Fatalf("Test case '%s': %+v", tt.name, err)
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}
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if tt.afLister != nil {
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c.afLister = tt.afLister
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}
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err = c.syncAfHandler(tt.key)
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if err != nil && !tt.expectedErr {
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t.Errorf("Test case '%s': unexpected error: %+v", tt.name, err)
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}
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if err == nil && tt.expectedErr {
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t.Errorf("Test case '%s': expected error, but got success", tt.name)
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}
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}
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}
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type fakeRegionNamespaceLister struct {
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region *v2.FpgaRegion
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err error
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}
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func (nl *fakeRegionNamespaceLister) Get(name string) (*v2.FpgaRegion, error) {
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return nl.region, nl.err
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}
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func (nl *fakeRegionNamespaceLister) List(selector labels.Selector) (ret []*v2.FpgaRegion, err error) {
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return nil, nil
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}
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type fakeRegionLister struct {
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region *v2.FpgaRegion
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err error
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}
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func (l *fakeRegionLister) FpgaRegions(namespace string) listers.FpgaRegionNamespaceLister {
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return &fakeRegionNamespaceLister{
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region: l.region,
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err: l.err,
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}
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}
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func (l *fakeRegionLister) List(selector labels.Selector) (ret []*v2.FpgaRegion, err error) {
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return nil, nil
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}
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func TestSyncRegionHandler(t *testing.T) {
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tcases := []struct {
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name string
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key string
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regionLister *fakeRegionLister
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expectedErr bool
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}{
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{
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name: "Wrong key format",
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key: "wrong/key/format/of/object",
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},
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{
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name: "Known key",
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key: "default/arria10",
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regionLister: &fakeRegionLister{
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region: &v2.FpgaRegion{
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ObjectMeta: metav1.ObjectMeta{
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Name: "arria10",
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},
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Spec: v2.FpgaRegionSpec{
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InterfaceID: "ce48969398f05f33946d560708be108a",
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},
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},
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},
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},
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{
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name: "Unknown key",
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key: "default/unknown",
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},
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{
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name: "Unhandled error",
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key: "default/unknown",
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regionLister: &fakeRegionLister{
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err: fmt.Errorf("Some fake error"),
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},
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expectedErr: true,
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},
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}
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for _, tt := range tcases {
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pm := newPatcherManager()
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c, err := newController(pm, &rest.Config{})
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if err != nil {
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t.Fatalf("Test case '%s': %+v", tt.name, err)
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}
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if tt.regionLister != nil {
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c.regionLister = tt.regionLister
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}
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err = c.syncRegionHandler(tt.key)
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if err != nil && !tt.expectedErr {
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t.Errorf("Test case '%s': unexpected error: %+v", tt.name, err)
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}
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if err == nil && tt.expectedErr {
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t.Errorf("Test case '%s': expected error, but got success", tt.name)
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}
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}
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}
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type fakeQueue struct {
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obj *fpgaObjectKey
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shutdown bool
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}
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func (q *fakeQueue) Add(item interface{}) {}
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func (q *fakeQueue) AddAfter(item interface{}, duration time.Duration) {
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}
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func (q *fakeQueue) AddRateLimited(item interface{}) {}
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func (q *fakeQueue) Done(item interface{}) {}
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func (q *fakeQueue) Forget(item interface{}) {}
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func (q *fakeQueue) Get() (item interface{}, shutdown bool) {
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if q.obj == nil {
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return nil, q.shutdown
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}
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return *q.obj, q.shutdown
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}
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func (q *fakeQueue) Len() int {
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return 0
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}
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func (q *fakeQueue) NumRequeues(item interface{}) int {
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return 0
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}
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func (q *fakeQueue) ShutDown() {}
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func (q *fakeQueue) ShuttingDown() bool {
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return false
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}
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func TestProcessNextWorkItem(t *testing.T) {
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tcases := []struct {
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name string
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obj *fpgaObjectKey
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shutdown bool
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afLister *fakeAfLister
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regionLister *fakeRegionLister
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expectedContinue bool
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}{
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{
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name: "Receive invalid object",
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expectedContinue: true,
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},
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{
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name: "Shutdown queue",
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shutdown: true,
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},
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{
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name: "Receive unknown kind of object",
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obj: &fpgaObjectKey{
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kind: "unknown",
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},
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expectedContinue: true,
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},
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{
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name: "Receive object with AF key",
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obj: &fpgaObjectKey{
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kind: "af",
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},
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expectedContinue: true,
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},
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{
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name: "Receive object with Region key",
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obj: &fpgaObjectKey{
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kind: "region",
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},
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expectedContinue: true,
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},
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{
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name: "Receive broken object with AF key",
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obj: &fpgaObjectKey{
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kind: "af",
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},
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afLister: &fakeAfLister{
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err: fmt.Errorf("some fake error"),
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},
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expectedContinue: true,
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},
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{
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name: "Receive broken object with Region key",
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obj: &fpgaObjectKey{
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kind: "region",
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},
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regionLister: &fakeRegionLister{
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err: fmt.Errorf("some fake error"),
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},
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expectedContinue: true,
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},
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}
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for _, tt := range tcases {
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pm := newPatcherManager()
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c, err := newController(pm, &rest.Config{})
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if err != nil {
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t.Fatalf("Test case '%s': %+v", tt.name, err)
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}
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c.queue = &fakeQueue{
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shutdown: tt.shutdown,
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obj: tt.obj,
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}
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if tt.afLister != nil {
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c.afLister = tt.afLister
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}
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if tt.regionLister != nil {
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c.regionLister = tt.regionLister
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}
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toContinue := c.processNextWorkItem()
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if toContinue != tt.expectedContinue {
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t.Errorf("Test case '%s': expected toContinue flag %v, but got %v", tt.name, tt.expectedContinue, toContinue)
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}
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}
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}
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func TestCreateEventhandler(t *testing.T) {
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funcs := createEventHandler("testkind", &fakeQueue{})
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funcs.AddFunc(&v2.FpgaRegion{})
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funcs.UpdateFunc(nil, &v2.FpgaRegion{})
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funcs.DeleteFunc(&v2.FpgaRegion{})
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}
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func TestRun(t *testing.T) {
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tcases := []struct {
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name string
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expectedErr bool
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}{
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{
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name: "Fail to wait for AF caches to sync",
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expectedErr: true,
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},
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}
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for _, tt := range tcases {
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pm := newPatcherManager()
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c, err := newController(pm, &rest.Config{})
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if err != nil {
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t.Fatalf("Test case '%s': %+v", tt.name, err)
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}
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close(c.stopCh)
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err = c.run(0)
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if err != nil && !tt.expectedErr {
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t.Errorf("Test case '%s': unexpected error: %+v", tt.name, err)
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}
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if err == nil && tt.expectedErr {
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t.Errorf("Test case '%s': expected error, but got success", tt.name)
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}
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}
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}
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func TestNewController(t *testing.T) {
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tcases := []struct {
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name string
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configHost string
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expectedErr bool
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}{
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{
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name: "wrong config",
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configHost: "hostname/somepath",
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expectedErr: true,
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},
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{
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name: "successful creation",
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},
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}
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for _, tt := range tcases {
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config := &rest.Config{
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Host: tt.configHost,
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}
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pm := newPatcherManager()
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c, err := newController(pm, config)
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if err != nil && !tt.expectedErr {
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t.Errorf("Test case '%s': unexpected error: %+v", tt.name, err)
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}
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if err == nil && tt.expectedErr {
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t.Errorf("Test case '%s': expected error, but got success", tt.name)
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}
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if err == nil && c == nil {
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t.Errorf("Test case '%s': no controller created", tt.name)
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}
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}
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}
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