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Merge pull request #37 from kubescape/tests
Test improvements
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| package incluster | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/kubescape/synchronizer/domain" | ||
| "github.com/kubescape/synchronizer/utils" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "github.com/testcontainers/testcontainers-go" | ||
| "github.com/testcontainers/testcontainers-go/modules/k3s" | ||
| appsv1 "k8s.io/api/apps/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/tools/clientcmd" | ||
| "k8s.io/utils/ptr" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
||
| var ( | ||
| deploy = &appsv1.Deployment{ | ||
| TypeMeta: metav1.TypeMeta{ | ||
| APIVersion: "apps/v1", | ||
| Kind: "Deployment", | ||
| }, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "test", | ||
| }, | ||
| Spec: appsv1.DeploymentSpec{ | ||
| Selector: &metav1.LabelSelector{ | ||
| MatchLabels: map[string]string{"app": "test"}, | ||
| }, | ||
| Template: corev1.PodTemplateSpec{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Labels: map[string]string{"app": "test"}, | ||
| }, | ||
| Spec: corev1.PodSpec{ | ||
| Containers: []corev1.Container{{Name: "nginx", Image: "nginx"}}, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| ) | ||
|
|
||
| func TestClient_watchRetry(t *testing.T) { | ||
| type fields struct { | ||
| client dynamic.Interface | ||
| account string | ||
| cluster string | ||
| kind *domain.Kind | ||
| callbacks domain.Callbacks | ||
| res schema.GroupVersionResource | ||
| ShadowObjects map[string][]byte | ||
| Strategy domain.Strategy | ||
| } | ||
| type args struct { | ||
| ctx context.Context | ||
| watchOpts metav1.ListOptions | ||
| eventQueue *utils.CooldownQueue | ||
| } | ||
| // we need a real client to test this, as the fake client ignores opts | ||
| ctx := context.TODO() | ||
| k3sC, err := k3s.RunContainer(ctx, | ||
| testcontainers.WithImage("docker.io/rancher/k3s:v1.27.9-k3s1"), | ||
| ) | ||
| defer func() { | ||
| _ = k3sC.Terminate(ctx) | ||
| }() | ||
| require.NoError(t, err) | ||
| kubeConfigYaml, err := k3sC.GetKubeConfig(ctx) | ||
| require.NoError(t, err) | ||
| clusterConfig, err := clientcmd.RESTConfigFromKubeConfig(kubeConfigYaml) | ||
| require.NoError(t, err) | ||
| dynamicClient := dynamic.NewForConfigOrDie(clusterConfig) | ||
| k8sclient := kubernetes.NewForConfigOrDie(clusterConfig) | ||
| tests := []struct { | ||
| name string | ||
| fields fields | ||
| args args | ||
| }{ | ||
| { | ||
| name: "test reconnect after timeout", | ||
| fields: fields{ | ||
| client: dynamicClient, | ||
| res: schema.GroupVersionResource{Group: "apps", Version: "v1", Resource: "deployments"}, | ||
| }, | ||
| args: args{ | ||
| eventQueue: utils.NewCooldownQueue(utils.DefaultQueueSize, utils.DefaultTTL), | ||
| watchOpts: metav1.ListOptions{TimeoutSeconds: ptr.To(int64(1))}, | ||
| }, | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| c := &Client{ | ||
| client: tt.fields.client, | ||
| account: tt.fields.account, | ||
| cluster: tt.fields.cluster, | ||
| kind: tt.fields.kind, | ||
| callbacks: tt.fields.callbacks, | ||
| res: tt.fields.res, | ||
| ShadowObjects: tt.fields.ShadowObjects, | ||
| Strategy: tt.fields.Strategy, | ||
| } | ||
| go c.watchRetry(ctx, tt.args.watchOpts, tt.args.eventQueue) | ||
| time.Sleep(5 * time.Second) | ||
| _, err = k8sclient.AppsV1().Deployments("default").Create(context.TODO(), deploy, metav1.CreateOptions{}) | ||
| require.NoError(t, err) | ||
| time.Sleep(1 * time.Second) | ||
| var found bool | ||
| for event := range tt.args.eventQueue.ResultChan { | ||
| if event.Type == watch.Added && event.Object.(*unstructured.Unstructured).GetName() == "test" { | ||
| found = true | ||
| break | ||
| } | ||
| } | ||
| assert.True(t, found) | ||
| }) | ||
| } | ||
| } |
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