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Add unit tests for the guestfs command
Signed-off-by: Alice Frosi <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,13 @@ | ||
| package guestfs_test | ||
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| import ( | ||
| "testing" | ||
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| . "github.com/onsi/ginkgo" | ||
| . "github.com/onsi/gomega" | ||
| ) | ||
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| func TestGuestfs(t *testing.T) { | ||
| RegisterFailHandler(Fail) | ||
| RunSpecs(t, "Guestfs Suite") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| package guestfs_test | ||
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| import ( | ||
| "fmt" | ||
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| "github.com/golang/mock/gomock" | ||
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| . "github.com/onsi/ginkgo" | ||
| . "github.com/onsi/gomega" | ||
| corev1 "k8s.io/api/core/v1" | ||
| v1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes/fake" | ||
| "k8s.io/client-go/rest" | ||
| "k8s.io/client-go/tools/clientcmd" | ||
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| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/client-go/testing" | ||
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| kubevirtv1 "kubevirt.io/client-go/api/v1" | ||
| "kubevirt.io/client-go/kubecli" | ||
| "kubevirt.io/kubevirt/pkg/virtctl/guestfs" | ||
| "kubevirt.io/kubevirt/tests" | ||
| ) | ||
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| const ( | ||
| commandName = "guestfs" | ||
| pvcName = "test-pvc" | ||
| testNamespace = "default" | ||
| ) | ||
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| func fakeAttacherCreator(client *guestfs.K8sClient, p *corev1.Pod, command string) error { | ||
| return nil | ||
| } | ||
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| var _ = Describe("Guestfs shell", func() { | ||
| var ( | ||
| kubeClient *fake.Clientset | ||
| kubevirtClient *kubecli.MockKubevirtClient | ||
| ) | ||
| mode := v1.PersistentVolumeFilesystem | ||
| pvc := &v1.PersistentVolumeClaim{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: pvcName, | ||
| Namespace: testNamespace, | ||
| }, | ||
| Spec: v1.PersistentVolumeClaimSpec{ | ||
| VolumeMode: &mode, | ||
| }, | ||
| } | ||
| kv := &kubevirtv1.KubeVirt{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "kubevirt", | ||
| Namespace: "kubevirt", | ||
| }, | ||
| Status: kubevirtv1.KubeVirtStatus{ | ||
| TargetKubeVirtRegistry: "registry:5000", | ||
| TargetKubeVirtVersion: "test", | ||
| }, | ||
| } | ||
| fakeCreateClientPVC := func(config *rest.Config, virtClientConfig clientcmd.ClientConfig) (*guestfs.K8sClient, error) { | ||
| kubeClient = fake.NewSimpleClientset(pvc) | ||
| kubeClient.Fake.PrependReactor("get", "pods", func(action testing.Action) (bool, runtime.Object, error) { | ||
| podRunning := &v1.Pod{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "libguestfs-tools", | ||
| Namespace: testNamespace, | ||
| }, | ||
| Status: v1.PodStatus{ | ||
| Phase: v1.PodRunning, | ||
| ContainerStatuses: []v1.ContainerStatus{ | ||
| { | ||
| Name: "virt", | ||
| State: v1.ContainerState{ | ||
| Running: &v1.ContainerStateRunning{ | ||
| StartedAt: metav1.Time{}, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| return true, podRunning, nil | ||
| }) | ||
| return &guestfs.K8sClient{Client: kubeClient, VirtClient: kubevirtClient}, nil | ||
| } | ||
| fakeCreateClientPVCinUse := func(config *rest.Config, virtClientConfig clientcmd.ClientConfig) (*guestfs.K8sClient, error) { | ||
| otherPod := &v1.Pod{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "test-pod", | ||
| Namespace: testNamespace, | ||
| }, | ||
| Spec: v1.PodSpec{ | ||
| Volumes: []v1.Volume{ | ||
| { | ||
| Name: "volume-test", | ||
| VolumeSource: v1.VolumeSource{ | ||
| PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{ | ||
| ClaimName: pvcName, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
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| kubeClient = fake.NewSimpleClientset(pvc, otherPod) | ||
| return &guestfs.K8sClient{Client: kubeClient, VirtClient: kubevirtClient}, nil | ||
| } | ||
| fakeCreateClient := func(config *rest.Config, virtClientConfig clientcmd.ClientConfig) (*guestfs.K8sClient, error) { | ||
| kubeClient = fake.NewSimpleClientset() | ||
| return &guestfs.K8sClient{Client: kubeClient, VirtClient: kubevirtClient}, nil | ||
| } | ||
| BeforeEach(func() { | ||
| ctrl := gomock.NewController(GinkgoT()) | ||
| kubevirtClient = kubecli.NewMockKubevirtClient(ctrl) | ||
| kvInterface := kubecli.NewMockKubeVirtInterface(ctrl) | ||
| kvInterface.EXPECT().Get("kubevirt", gomock.Any()).Return(kv, nil).AnyTimes() | ||
| kubevirtClient.EXPECT().KubeVirt("kubevirt").Return(kvInterface) | ||
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| guestfs.SetAttacher(fakeAttacherCreator) | ||
| }) | ||
| Context("attach to PVC", func() { | ||
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| It("Succesfully attach to PVC", func() { | ||
| guestfs.SetClient(fakeCreateClientPVC) | ||
| cmd := tests.NewRepeatableVirtctlCommand(commandName, "--pvc", pvcName) | ||
| Expect(cmd()).To(BeNil()) | ||
| }) | ||
| It("PVC in use", func() { | ||
| guestfs.SetClient(fakeCreateClientPVCinUse) | ||
| cmd := tests.NewRepeatableVirtctlCommand(commandName, "--pvc", pvcName) | ||
| err := cmd() | ||
| Expect(err).NotTo(BeNil()) | ||
| Expect(err.Error()).Should(Equal(fmt.Sprintf("PVC %s is used by another pod", pvcName))) | ||
| }) | ||
| It("PVC doesn't exist", func() { | ||
| guestfs.SetClient(fakeCreateClient) | ||
| cmd := tests.NewRepeatableVirtctlCommand(commandName, "--pvc", pvcName) | ||
| err := cmd() | ||
| Expect(err).NotTo(BeNil()) | ||
| Expect(err.Error()).Should(Equal(fmt.Sprintf("The PVC %s doesn't exist", pvcName))) | ||
| }) | ||
| }) | ||
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| }) |