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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,273 @@ | ||
| package k8s | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| appsv1 "k8s.io/api/apps/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/client/fake" | ||
| ) | ||
|
|
||
| func TestCreateIfNotExistsDeployment(t *testing.T) { | ||
| ns := "unit-test" | ||
| testDeployment := &appsv1.Deployment{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "test", | ||
| Namespace: ns, | ||
| }, | ||
| } | ||
|
|
||
| tests := []struct { | ||
| name string | ||
| deployment *appsv1.Deployment | ||
| existingDeploy *appsv1.Deployment | ||
| expErr bool | ||
| }{ | ||
| { | ||
| name: "create new deployment", | ||
| deployment: testDeployment.DeepCopy(), | ||
| existingDeploy: nil, | ||
| expErr: false, | ||
| }, { | ||
| name: "create existing deployment", | ||
| deployment: testDeployment.DeepCopy(), | ||
| existingDeploy: testDeployment.DeepCopy(), | ||
| expErr: false, | ||
| }, | ||
| } | ||
|
|
||
| for _, test := range tests { | ||
| t.Run(test.name, func(t *testing.T) { | ||
| assert := assert.New(t) | ||
|
|
||
| objs := make([]client.Object, 0) | ||
| if test.existingDeploy != nil { | ||
| objs = append(objs, test.existingDeploy) | ||
| } | ||
| scheme := runtime.NewScheme() | ||
| _ = appsv1.AddToScheme(scheme) | ||
| fakeClient := fake.NewClientBuilder().WithScheme(scheme).WithObjects(objs...).Build() | ||
| c := NewK8sClient(fakeClient, ctrl.Log.WithName("deployment-test")) | ||
|
|
||
| err := c.CreateIfNotExistsDeployment(test.deployment) | ||
| if test.expErr { | ||
| assert.Error(err) | ||
| } else { | ||
| assert.NoError(err) | ||
| dep := &appsv1.Deployment{} | ||
| err := fakeClient.Get(context.TODO(), types.NamespacedName{ | ||
| Name: test.deployment.Name, | ||
| Namespace: test.deployment.Namespace, | ||
| }, dep) | ||
| assert.NoError(err) | ||
| assert.Equal(test.deployment.Name, dep.Name) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestGetDeployment(t *testing.T) { | ||
| ns := "unit-test" | ||
| testDeployment := &appsv1.Deployment{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "test", | ||
| Namespace: ns, | ||
| }, | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| deployment *appsv1.Deployment | ||
| existingDeploy *appsv1.Deployment | ||
| expErr bool | ||
| }{ | ||
| { | ||
| name: "get existing deployment", | ||
| deployment: testDeployment.DeepCopy(), | ||
| existingDeploy: testDeployment.DeepCopy(), | ||
| expErr: false, | ||
| }, { | ||
| name: "get non-existing deployment", | ||
| deployment: testDeployment.DeepCopy(), | ||
| existingDeploy: nil, | ||
| expErr: true, | ||
| }, | ||
| } | ||
|
|
||
| for _, test := range tests { | ||
| t.Run(test.name, func(t *testing.T) { | ||
| assert := assert.New(t) | ||
|
|
||
| objs := make([]client.Object, 0) | ||
| if test.existingDeploy != nil { | ||
| objs = append(objs, test.existingDeploy) | ||
| } | ||
| scheme := runtime.NewScheme() | ||
| _ = appsv1.AddToScheme(scheme) | ||
| fakeClient := fake.NewClientBuilder().WithScheme(scheme).WithObjects(objs...).Build() | ||
| c := NewK8sClient(fakeClient, ctrl.Log.WithName("deployment-test")) | ||
|
|
||
| dep, err := c.GetDeployment(types.NamespacedName{ | ||
| Name: test.deployment.Name, | ||
| Namespace: test.deployment.Namespace, | ||
| }) | ||
| if test.expErr { | ||
| assert.Error(err) | ||
| assert.True(errors.IsNotFound(err)) | ||
| } else { | ||
| assert.NoError(err) | ||
| assert.Equal(test.deployment.Name, dep.Name) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestUpdateDeployment(t *testing.T) { | ||
| ns := "unit-test" | ||
| testDeployment := &appsv1.Deployment{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "test", | ||
| Namespace: ns, | ||
| }, | ||
| Status: appsv1.DeploymentStatus{ | ||
| Replicas: 1, | ||
| }, | ||
| } | ||
|
|
||
| tests := []struct { | ||
| name string | ||
| deploy *appsv1.Deployment | ||
| existingDeploy *appsv1.Deployment | ||
| expErr bool | ||
| }{ | ||
| { | ||
| name: "update existing deployment", | ||
| deploy: testDeployment.DeepCopy(), | ||
| existingDeploy: testDeployment.DeepCopy(), | ||
| expErr: false, | ||
| }, { | ||
| name: "update non-existing deployment", | ||
| deploy: testDeployment.DeepCopy(), | ||
| existingDeploy: nil, | ||
| expErr: true, | ||
| }, | ||
| } | ||
|
|
||
| for _, test := range tests { | ||
| t.Run(test.name, func(t *testing.T) { | ||
| assert := assert.New(t) | ||
|
|
||
| objs := make([]client.Object, 0) | ||
| if test.existingDeploy != nil { | ||
| objs = append(objs, test.existingDeploy) | ||
| } | ||
| scheme := runtime.NewScheme() | ||
| _ = appsv1.AddToScheme(scheme) | ||
| fakeClient := fake.NewClientBuilder().WithScheme(scheme).WithObjects(objs...).Build() | ||
| c := NewK8sClient(fakeClient, ctrl.Log.WithName("deployment-test")) | ||
|
|
||
| dep, err := c.GetDeployment(types.NamespacedName{ | ||
| Name: test.deploy.Name, | ||
| Namespace: test.deploy.Namespace, | ||
| }) | ||
| if dep != nil { | ||
| dep.Status.Replicas = 2 | ||
| err = c.UpdateDeployment(dep) | ||
| } | ||
| if test.expErr { | ||
| assert.Error(err) | ||
| assert.True(errors.IsNotFound(err)) | ||
| } else { | ||
| assert.NoError(err) | ||
|
|
||
| dep := &appsv1.Deployment{} | ||
| err := fakeClient.Get(context.TODO(), types.NamespacedName{ | ||
| Name: test.deploy.Name, | ||
| Namespace: test.deploy.Namespace, | ||
| }, dep) | ||
| assert.NoError(err) | ||
| assert.Equal(int32(2), dep.Status.Replicas) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
| func TestListDeploymentPods(t *testing.T) { | ||
| ns := "unit-test" | ||
| testDeployment := &appsv1.Deployment{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "test", | ||
| Namespace: ns, | ||
| }, | ||
| Spec: appsv1.DeploymentSpec{ | ||
| Selector: &metav1.LabelSelector{ | ||
| MatchLabels: map[string]string{"app": "test"}, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| testPod := &corev1.Pod{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "test-pod", | ||
| Namespace: ns, | ||
| Labels: map[string]string{"app": "test"}, | ||
| }, | ||
| } | ||
|
|
||
| tests := []struct { | ||
| name string | ||
| dep *appsv1.Deployment | ||
| pod *corev1.Pod | ||
| expPods int | ||
| expErr bool | ||
| }{ | ||
| { | ||
| name: "list pods for deployment", | ||
| dep: testDeployment.DeepCopy(), | ||
| pod: testPod.DeepCopy(), | ||
| expPods: 1, | ||
| expErr: false, | ||
| }, { | ||
| name: "no pods", | ||
| dep: testDeployment.DeepCopy(), | ||
| pod: nil, | ||
| expPods: 0, | ||
| expErr: false, | ||
| }, | ||
| } | ||
|
|
||
| for _, test := range tests { | ||
| t.Run(test.name, func(t *testing.T) { | ||
| assert := assert.New(t) | ||
|
|
||
| objs := make([]client.Object, 0) | ||
| objs = append(objs, test.dep) | ||
| if test.pod != nil { | ||
| objs = append(objs, test.pod) | ||
| } | ||
| scheme := runtime.NewScheme() | ||
| _ = appsv1.AddToScheme(scheme) | ||
| _ = corev1.AddToScheme(scheme) | ||
| fakeClient := fake.NewClientBuilder().WithScheme(scheme).WithObjects(objs...).Build() | ||
| c := NewK8sClient(fakeClient, ctrl.Log.WithName("deployment-test")) | ||
|
|
||
| pods, err := c.ListDeploymentPods(types.NamespacedName{ | ||
| Name: test.dep.Name, | ||
| Namespace: test.dep.Namespace, | ||
| }) | ||
| if test.expErr { | ||
| assert.Error(err) | ||
| assert.True(errors.IsNotFound(err)) | ||
| } else { | ||
| assert.NoError(err) | ||
| assert.Equal(test.expPods, len(pods.Items)) | ||
| } | ||
| }) | ||
| } | ||
| } |