Adding UT test cases to queue controller

pkg/controllers/queue/queue_controller_test.go

@@ -0,0 +1,279 @@
+/*
+Copyright 2019 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 queue
+
+import (
+	"testing"
+
+	kbv1alpha1 "github.com/kubernetes-sigs/kube-batch/pkg/apis/scheduling/v1alpha1"
+	kubebatchclient "github.com/kubernetes-sigs/kube-batch/pkg/client/clientset/versioned/fake"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	kubeclient "k8s.io/client-go/kubernetes/fake"
+	"k8s.io/client-go/tools/cache"
+)
+
+func newFakeController() *Controller {
+	KubeBatchClientSet := kubebatchclient.NewSimpleClientset()
+	KubeClientSet := kubeclient.NewSimpleClientset()
+
+	controller := NewQueueController(KubeClientSet, KubeBatchClientSet)
+	return controller
+}
+
+func TestAddQueue(t *testing.T) {
+	testCases := []struct {
+		Name        string
+		queue       *kbv1alpha1.Queue
+		ExpectValue int
+	}{
+		{
+			Name: "AddQueue",
+			queue: &kbv1alpha1.Queue{
+				ObjectMeta: metav1.ObjectMeta{
+					Name: "c1",
+				},
+				Spec: kbv1alpha1.QueueSpec{
+					Weight: 1,
+				},
+			},
+			ExpectValue: 1,
+		},
+	}
+
+	for i, testcase := range testCases {
+		c := newFakeController()
+
+		c.addQueue(testcase.queue)
+
+		if testcase.ExpectValue != c.queue.Len() {
+			t.Errorf("case %d (%s): expected: %v, got %v ", i, testcase.Name, testcase.ExpectValue, c.queue.Len())
+		}
+	}
+}
+
+func TestDeleteQueue(t *testing.T) {
+	testCases := []struct {
+		Name        string
+		queue       *kbv1alpha1.Queue
+		ExpectValue bool
+	}{
+		{
+			Name: "DeleteQueue",
+			queue: &kbv1alpha1.Queue{
+				ObjectMeta: metav1.ObjectMeta{
+					Name: "c1",
+				},
+				Spec: kbv1alpha1.QueueSpec{
+					Weight: 1,
+				},
+			},
+			ExpectValue: false,
+		},
+	}
+
+	for i, testcase := range testCases {
+		c := newFakeController()
+		c.podGroups[testcase.queue.Name] = make(map[string]struct{})
+
+		c.deleteQueue(testcase.queue)
+
+		if _, ok := c.podGroups[testcase.queue.Name]; ok != testcase.ExpectValue {
+			t.Errorf("case %d (%s): expected: %v, got %v ", i, testcase.Name, testcase.ExpectValue, ok)
+		}
+	}
+
+}
+
+func TestAddPodGroup(t *testing.T) {
+	namespace := "c1"
+
+	testCases := []struct {
+		Name        string
+		podGroup    *kbv1alpha1.PodGroup
+		ExpectValue int
+	}{
+		{
+			Name: "addpodgroup",
+			podGroup: &kbv1alpha1.PodGroup{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "pg1",
+					Namespace: namespace,
+				},
+				Spec: kbv1alpha1.PodGroupSpec{
+					Queue: "c1",
+				},
+			},
+			ExpectValue: 1,
+		},
+	}
+
+	for i, testcase := range testCases {
+		c := newFakeController()
+
+		c.addPodGroup(testcase.podGroup)
+
+		if testcase.ExpectValue != c.queue.Len() {
+			t.Errorf("case %d (%s): expected: %v, got %v ", i, testcase.Name, testcase.ExpectValue, c.queue.Len())
+		}
+		if testcase.ExpectValue != len(c.podGroups[testcase.podGroup.Spec.Queue]) {
+			t.Errorf("case %d (%s): expected: %v, got %v ", i, testcase.Name, testcase.ExpectValue, len(c.podGroups[testcase.podGroup.Spec.Queue]))
+		}
+	}
+
+}
+
+func TestDeletePodGroup(t *testing.T) {
+	namespace := "c1"
+
+	testCases := []struct {
+		Name        string
+		podGroup    *kbv1alpha1.PodGroup
+		ExpectValue bool
+	}{
+		{
+			Name: "deletepodgroup",
+			podGroup: &kbv1alpha1.PodGroup{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "pg1",
+					Namespace: namespace,
+				},
+				Spec: kbv1alpha1.PodGroupSpec{
+					Queue: "c1",
+				},
+			},
+			ExpectValue: false,
+		},
+	}
+
+	for i, testcase := range testCases {
+		c := newFakeController()
+
+		key, _ := cache.MetaNamespaceKeyFunc(testcase.podGroup)
+		c.podGroups[testcase.podGroup.Spec.Queue] = make(map[string]struct{})
+		c.podGroups[testcase.podGroup.Spec.Queue][key] = struct{}{}
+
+		c.deletePodGroup(testcase.podGroup)
+		if _, ok := c.podGroups[testcase.podGroup.Spec.Queue][key]; ok != testcase.ExpectValue {
+			t.Errorf("case %d (%s): expected: %v, got %v ", i, testcase.Name, testcase.ExpectValue, ok)
+		}
+	}
+}
+
+func TestUpdatePodGroup(t *testing.T) {
+	namespace := "c1"
+
+	testCases := []struct {
+		Name        string
+		podGroupold *kbv1alpha1.PodGroup
+		podGroupnew *kbv1alpha1.PodGroup
+		ExpectValue int
+	}{
+		{
+			Name: "updatepodgroup",
+			podGroupold: &kbv1alpha1.PodGroup{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "pg1",
+					Namespace: namespace,
+				},
+				Spec: kbv1alpha1.PodGroupSpec{
+					Queue: "c1",
+				},
+				Status: kbv1alpha1.PodGroupStatus{
+					Phase: kbv1alpha1.PodGroupPending,
+				},
+			},
+			podGroupnew: &kbv1alpha1.PodGroup{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "pg1",
+					Namespace: namespace,
+				},
+				Spec: kbv1alpha1.PodGroupSpec{
+					Queue: "c1",
+				},
+				Status: kbv1alpha1.PodGroupStatus{
+					Phase: kbv1alpha1.PodGroupRunning,
+				},
+			},
+			ExpectValue: 1,
+		},
+	}
+
+	for i, testcase := range testCases {
+		c := newFakeController()
+
+		c.updatePodGroup(testcase.podGroupold, testcase.podGroupnew)
+
+		if testcase.ExpectValue != c.queue.Len() {
+			t.Errorf("case %d (%s): expected: %v, got %v ", i, testcase.Name, testcase.ExpectValue, c.queue.Len())
+		}
+	}
+}
+
+func TestSyncQueue(t *testing.T) {
+	namespace := "c1"
+
+	testCases := []struct {
+		Name        string
+		podGroup    *kbv1alpha1.PodGroup
+		queue       *kbv1alpha1.Queue
+		ExpectValue int32
+	}{
+		{
+			Name: "syncQueue",
+			podGroup: &kbv1alpha1.PodGroup{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "pg1",
+					Namespace: namespace,
+				},
+				Spec: kbv1alpha1.PodGroupSpec{
+					Queue: "c1",
+				},
+				Status: kbv1alpha1.PodGroupStatus{
+					Phase: kbv1alpha1.PodGroupPending,
+				},
+			},
+			queue: &kbv1alpha1.Queue{
+				ObjectMeta: metav1.ObjectMeta{
+					Name: "c1",
+				},
+				Spec: kbv1alpha1.QueueSpec{
+					Weight: 1,
+				},
+			},
+			ExpectValue: 1,
+		},
+	}
+
+	for i, testcase := range testCases {
+		c := newFakeController()
+
+		key, _ := cache.MetaNamespaceKeyFunc(testcase.podGroup)
+		c.podGroups[testcase.podGroup.Spec.Queue] = make(map[string]struct{})
+		c.podGroups[testcase.podGroup.Spec.Queue][key] = struct{}{}
+
+		c.pgInformer.Informer().GetIndexer().Add(testcase.podGroup)
+		c.queueInformer.Informer().GetIndexer().Add(testcase.queue)
+		c.kbClient.SchedulingV1alpha1().Queues().Create(testcase.queue)
+
+		err := c.syncQueue(testcase.queue.Name)
+		item, _ := c.kbClient.SchedulingV1alpha1().Queues().Get(testcase.queue.Name, metav1.GetOptions{})
+		if err != nil && testcase.ExpectValue != item.Status.Pending {
+			t.Errorf("case %d (%s): expected: %v, got %v ", i, testcase.Name, testcase.ExpectValue, c.queue.Len())
+		}
+	}
+
+}