125 lines
3.4 KiB
Go
125 lines
3.4 KiB
Go
/*
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Copyright 2022 The Karmada 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 helper
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import (
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
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)
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func TestGenMergePatch(t *testing.T) {
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testObj := &workv1alpha2.ResourceBinding{
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TypeMeta: metav1.TypeMeta{Kind: "ResourceBinding", APIVersion: "work.karmada.io/v1alpha2"},
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ObjectMeta: metav1.ObjectMeta{Name: "foo"},
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Spec: workv1alpha2.ResourceBindingSpec{Clusters: []workv1alpha2.TargetCluster{{Name: "foo", Replicas: 20}}},
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Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{{Type: "Dummy", Reason: "Dummy"}}},
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}
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tests := []struct {
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name string
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modifyFunc func() interface{}
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expectedPatch string
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expectErr bool
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}{
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{
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name: "update spec",
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modifyFunc: func() interface{} {
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modified := testObj.DeepCopy()
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modified.Spec.Replicas = 10
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modified.Spec.Clusters = []workv1alpha2.TargetCluster{
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{
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Name: "m1",
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Replicas: 5,
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},
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{
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Name: "m2",
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Replicas: 5,
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},
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}
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return modified
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},
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expectedPatch: `{"spec":{"clusters":[{"name":"m1","replicas":5},{"name":"m2","replicas":5}],"replicas":10}}`,
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expectErr: false,
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},
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{
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name: "update status",
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modifyFunc: func() interface{} {
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modified := testObj.DeepCopy()
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modified.Status.SchedulerObservedGeneration = 10
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modified.Status.Conditions = []metav1.Condition{
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{
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Type: "Scheduled",
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Reason: "BindingScheduled",
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},
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{
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Type: "Dummy",
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Reason: "Dummy",
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},
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}
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return modified
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},
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expectedPatch: `{"status":{"conditions":[{"lastTransitionTime":null,"message":"","reason":"BindingScheduled","status":"","type":"Scheduled"},{"lastTransitionTime":null,"message":"","reason":"Dummy","status":"","type":"Dummy"}],"schedulerObservedGeneration":10}}`,
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expectErr: false,
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},
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{
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name: "no change",
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modifyFunc: func() interface{} {
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modified := testObj.DeepCopy()
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return modified
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},
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expectedPatch: "",
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expectErr: false,
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},
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{
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name: "invalid input should arise error",
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modifyFunc: func() interface{} {
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var invalid = 0
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return invalid
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},
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expectedPatch: "",
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expectErr: true,
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},
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{
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name: "update to empty annotations",
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modifyFunc: func() interface{} {
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modified := testObj.DeepCopy()
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modified.Annotations = make(map[string]string, 0)
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return modified
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},
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expectedPatch: "",
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expectErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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patch, err := GenMergePatch(testObj, tt.modifyFunc())
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if err != nil && tt.expectErr == false {
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t.Fatalf("unexpect error, but got: %v", err)
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} else if err == nil && tt.expectErr == true {
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t.Fatalf("expect error, but got none")
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}
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if string(patch) != tt.expectedPatch {
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t.Fatalf("want patch: %s, but got :%s", tt.expectedPatch, string(patch))
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}
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})
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}
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}
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