portainer/api/kubernetes/cli/pod_test.go

68 lines
1.8 KiB
Go

package cli
import (
"context"
"testing"
"time"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
kfake "k8s.io/client-go/kubernetes/fake"
)
func Test_waitForPodStatus(t *testing.T) {
t.Run("successfully errors on cancelled context", func(t *testing.T) {
k := &KubeClient{
cli: kfake.NewSimpleClientset(),
instanceID: "test",
}
podSpec := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "test", Namespace: defaultNamespace},
Spec: v1.PodSpec{
Containers: []v1.Container{
{Name: "test-pod", Image: "containous/whoami"},
},
},
}
ctx, cancel := context.WithCancel(context.TODO())
cancel()
err := k.waitForPodStatus(ctx, v1.PodRunning, podSpec)
if err != context.Canceled {
t.Errorf("waitForPodStatus should throw context cancellation error; err=%s", err)
}
})
t.Run("successfully errors on timeout", func(t *testing.T) {
k := &KubeClient{
cli: kfake.NewSimpleClientset(),
instanceID: "test",
}
podSpec := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "test", Namespace: defaultNamespace},
Spec: v1.PodSpec{
Containers: []v1.Container{
{Name: "test-pod", Image: "containous/whoami"},
},
},
}
pod, err := k.cli.CoreV1().Pods(defaultNamespace).Create(context.Background(), podSpec, metav1.CreateOptions{})
if err != nil {
t.Errorf("failed to create pod; err=%s", err)
}
defer k.cli.CoreV1().Pods(defaultNamespace).Delete(context.Background(), pod.Name, metav1.DeleteOptions{})
ctx, cancelFunc := context.WithTimeout(context.TODO(), 0*time.Second)
defer cancelFunc()
err = k.waitForPodStatus(ctx, v1.PodRunning, podSpec)
if err != context.DeadlineExceeded {
t.Errorf("waitForPodStatus should throw deadline exceeded error; err=%s", err)
}
})
}