94 lines
2.9 KiB
Go
94 lines
2.9 KiB
Go
/*
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Copyright 2023 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 core
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import (
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"testing"
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clusterv1alpha1 "github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
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policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
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workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
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"github.com/karmada-io/karmada/test/helper"
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)
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// Test Case of even distribution of replicas, case 1
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// 1. create deployment (replicas=3), weight=1:1
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// 2. check two member cluster replicas, should be 2:1 or 1:2
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func Test_genericScheduler_AssignReplicas(t *testing.T) {
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tests := []struct {
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name string
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clusters []*clusterv1alpha1.Cluster
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placement *policyv1alpha1.Placement
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object *workv1alpha2.ResourceBindingSpec
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wants [][]workv1alpha2.TargetCluster
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wantErr bool
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}{
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{
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name: "replica 3, static weighted 1:1",
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clusters: []*clusterv1alpha1.Cluster{
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helper.NewCluster(ClusterMember1),
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helper.NewCluster(ClusterMember2),
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},
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object: &workv1alpha2.ResourceBindingSpec{
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Replicas: 3,
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},
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placement: &policyv1alpha1.Placement{
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ReplicaScheduling: &policyv1alpha1.ReplicaSchedulingStrategy{
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ReplicaSchedulingType: policyv1alpha1.ReplicaSchedulingTypeDivided,
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ReplicaDivisionPreference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
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WeightPreference: &policyv1alpha1.ClusterPreferences{
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StaticWeightList: []policyv1alpha1.StaticClusterWeight{
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{TargetCluster: policyv1alpha1.ClusterAffinity{ClusterNames: []string{ClusterMember1}}, Weight: 1},
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{TargetCluster: policyv1alpha1.ClusterAffinity{ClusterNames: []string{ClusterMember2}}, Weight: 1},
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},
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},
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},
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},
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wants: [][]workv1alpha2.TargetCluster{
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{
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{Name: ClusterMember1, Replicas: 1},
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{Name: ClusterMember2, Replicas: 2},
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},
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{
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{Name: ClusterMember1, Replicas: 2},
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{Name: ClusterMember2, Replicas: 1},
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},
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},
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wantErr: 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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g := &genericScheduler{}
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got, err := g.assignReplicas(tt.clusters, tt.placement, tt.object)
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if (err != nil) != tt.wantErr {
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t.Errorf("AssignReplicas() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if tt.wantErr {
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return
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}
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for _, want := range tt.wants {
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if helper.IsScheduleResultEqual(got, want) {
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return
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}
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}
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t.Errorf("AssignReplicas() got = %v, wants %v", got, tt.wants)
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})
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}
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}
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