109 lines
2.7 KiB
Go
109 lines
2.7 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 testing
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import (
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"fmt"
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"testing"
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"github.com/google/go-cmp/cmp"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/kubernetes/pkg/scheduler/apis/config"
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"k8s.io/kubernetes/pkg/scheduler/apis/config/scheme"
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)
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const (
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policyTemplate = `
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apiVersion: %s
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kind: Policy
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extenders:
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- urlPrefix: http://localhost:8888/
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filterVerb: filter
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prioritizeVerb: prioritize
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weight: 1
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enableHttps: true
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`
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)
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func TestSchedulerPolicy(t *testing.T) {
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expected := &config.Policy{
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Extenders: []config.Extender{
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{
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URLPrefix: "http://localhost:8888/",
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FilterVerb: "filter",
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PrioritizeVerb: "prioritize",
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Weight: 1,
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EnableHTTPS: true,
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},
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},
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}
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testcases := []struct {
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name string
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apiVersion string
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expectError bool
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expectedObj *config.Policy
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}{
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// verifies if a Policy YAML with apiVersion 'v1' can be
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// serialized into an unversioned Policy object.
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{
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name: "legacy v1",
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apiVersion: "v1",
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expectError: false,
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expectedObj: expected,
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},
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// verifies if a Policy YAML with apiVersion 'kubescheduler.config.k8s.io/v1'
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// can be serialized into an unversioned Policy object.
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{
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name: "v1",
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apiVersion: "kubescheduler.config.k8s.io/v1",
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expectError: false,
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expectedObj: expected,
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},
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// ensures unknown version throws a parsing error.
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{
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name: "unknown version",
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apiVersion: "kubescheduler.config.k8s.io/vunknown",
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expectError: true,
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},
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}
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for _, tt := range testcases {
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t.Run(tt.name, func(t *testing.T) {
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policyStr := fmt.Sprintf(policyTemplate, tt.apiVersion)
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got, err := loadPolicy([]byte(policyStr))
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if (err != nil) != tt.expectError {
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t.Fatalf("Error while parsing Policy. expectErr=%v, but got=%v.", tt.expectError, err)
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}
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if !tt.expectError {
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if diff := cmp.Diff(tt.expectedObj, got); diff != "" {
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t.Errorf("Unexpected policy diff (-want, +got): %s", diff)
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}
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}
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})
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}
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}
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// loadPolicy decodes data as a Policy object.
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func loadPolicy(data []byte) (*config.Policy, error) {
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policy := config.Policy{}
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if err := runtime.DecodeInto(scheme.Codecs.UniversalDecoder(), data, &policy); err != nil {
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return nil, err
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}
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return &policy, nil
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}
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