test: add tests for package resourcequota plugin.

Signed-off-by: Subhasish Behera [email protected]

pkg/scheduler/plugins/resourcequota/resourcequota_test.go

@@ -0,0 +1,146 @@
+/*
+Copyright 2021 The Volcano Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package resourcequota
+
+import (
+	"fmt"
+	v1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/resource"
+	"k8s.io/client-go/tools/record"
+	"testing"
+	scheduling "volcano.sh/apis/pkg/apis/scheduling"
+	"volcano.sh/volcano/pkg/scheduler/api"
+	"volcano.sh/volcano/pkg/scheduler/cache"
+	"volcano.sh/volcano/pkg/scheduler/conf"
+	"volcano.sh/volcano/pkg/scheduler/framework"
+)
+
+func TestResourceQuotaPlugin(t *testing.T) {
+	tests := []struct {
+		desc            string
+		expectedOutcome bool
+		job             *api.JobInfo
+	}{
+
+		{
+			desc:            "requested_resource_within_limits",
+			expectedOutcome: true,
+			job: &api.JobInfo{
+				UID:       "1",
+				Namespace: "namespace1",
+				PodGroup: &api.PodGroup{
+					PodGroup: scheduling.PodGroup{
+						Spec: scheduling.PodGroupSpec{
+							MinResources: &v1.ResourceList{
+								v1.ResourceCPU:    resource.MustParse("3"),
+								v1.ResourceMemory: resource.MustParse("100Gi"),
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			desc:            "requested_resource_over_limits",
+			expectedOutcome: false,
+			job: &api.JobInfo{
+				UID:       "1",
+				Namespace: "namespace1",
+				PodGroup: &api.PodGroup{
+					PodGroup: scheduling.PodGroup{
+						Spec: scheduling.PodGroupSpec{
+							MinResources: &v1.ResourceList{
+								v1.ResourceCPU:    resource.MustParse("5"),
+								v1.ResourceMemory: resource.MustParse("10Gi"),
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			desc:            "requesting_resource_of_non_existing_namespace",
+			expectedOutcome: true,
+			job: &api.JobInfo{
+				UID:       "1",
+				Namespace: "some_random_namespace",
+				PodGroup: &api.PodGroup{
+					PodGroup: scheduling.PodGroup{
+						Spec: scheduling.PodGroupSpec{
+							MinResources: &v1.ResourceList{
+								v1.ResourceCPU:    resource.MustParse("3"),
+								v1.ResourceMemory: resource.MustParse("100Gi"),
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	for i, test := range tests {
+		t.Run(fmt.Sprintf("case %d", i), func(t *testing.T) {
+			trueValue := true
+			schedulerCache := &cache.SchedulerCache{
+				Jobs: make(map[api.JobID]*api.JobInfo),
+
+				Recorder: record.NewFakeRecorder(100),
+			}
+			framework.RegisterPluginBuilder(PluginName, New)
+			defer framework.CleanupPluginBuilders()
+			ssn := framework.OpenSession(schedulerCache, []conf.Tier{
+				{
+					Plugins: []conf.PluginOption{
+						{
+							Name: PluginName,
+							//Arguments: test.arguments,
+						},
+						{
+							Name:               "resourcequota",
+							EnabledJobEnqueued: &trueValue,
+						},
+					},
+				},
+			}, nil)
+			ssn.NamespaceInfo = make(map[api.NamespaceName]*api.NamespaceInfo)
+			quota1 := make(map[string]v1.ResourceQuotaStatus)
+			quota1["quota1"] = v1.ResourceQuotaStatus{
+				Hard: v1.ResourceList{
+					v1.ResourceCPU:    resource.MustParse("4"),
+					v1.ResourceMemory: resource.MustParse("200Gi"),
+				},
+				Used: v1.ResourceList{
+					v1.ResourceCPU:    resource.MustParse("0"),
+					v1.ResourceMemory: resource.MustParse("0Gi"),
+				},
+			}
+			ssn.NamespaceInfo["namespace1"] = &api.NamespaceInfo{
+				Name:        "namespace1",
+				QuotaStatus: quota1,
+			}
+			defer framework.CloseSession(ssn)
+			plugin := &resourceQuotaPlugin{}
+			plugin.OnSessionOpen(ssn)
+			result := ssn.JobEnqueueable(test.job)
+			if result != test.expectedOutcome {
+				t.Errorf("case %d(%s) failed: \n expected %v, \n got: %v \n",
+					i, test.desc, test.expectedOutcome, result)
+			}
+
+		})
+	}
+}