Recycling HostPath and NFS impls

pkg/volume/util_test.go

@@ -0,0 +1,102 @@
+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+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 volume
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"strings"
+)
+
+func TestScrubberSuccess(t *testing.T) {
+	client := &mockScrubberClient{}
+	scrubber := &api.Pod{
+		ObjectMeta: api.ObjectMeta{
+			Name:      "scrubber-test",
+			Namespace: api.NamespaceDefault,
+		},
+		Status: api.PodStatus{
+			Phase: api.PodSucceeded,
+		},
+	}
+
+	err := internalScrubPodVolumeAndWatchUntilCompletion(scrubber, client)
+	if err != nil {
+		t.Errorf("Unexpected error watching scrubber pod: %+v", err)
+	}
+	if !client.deletedCalled {
+		t.Errorf("Expected deferred client.Delete to be called on scrubber pod")
+	}
+}
+
+func TestScrubberFailure(t *testing.T) {
+	client := &mockScrubberClient{}
+	scrubber := &api.Pod{
+		ObjectMeta: api.ObjectMeta{
+			Name:      "scrubber-test",
+			Namespace: api.NamespaceDefault,
+		},
+		Status: api.PodStatus{
+			Phase:   api.PodFailed,
+			Message: "foo",
+		},
+	}
+
+	err := internalScrubPodVolumeAndWatchUntilCompletion(scrubber, client)
+	if err == nil {
+		t.Fatalf("Expected pod failure but got nil error returned")
+	}
+	if err != nil {
+		if !strings.Contains(err.Error(), "foo") {
+			t.Errorf("Expected pod.Status.Message %s but got %s", scrubber.Status.Message, err)
+		}
+	}
+	if !client.deletedCalled {
+		t.Errorf("Expected deferred client.Delete to be called on scrubber pod")
+	}
+}
+
+type mockScrubberClient struct {
+	pod           *api.Pod
+	deletedCalled bool
+}
+
+func (c *mockScrubberClient) CreatePod(pod *api.Pod) (*api.Pod, error) {
+	c.pod = pod
+	return c.pod, nil
+}
+
+func (c *mockScrubberClient) GetPod(name, namespace string) (*api.Pod, error) {
+	if c.pod != nil {
+		return c.pod, nil
+	} else {
+		return nil, fmt.Errorf("pod does not exist")
+	}
+}
+
+func (c *mockScrubberClient) DeletePod(name, namespace string) error {
+	c.deletedCalled = true
+	return nil
+}
+
+func (c *mockScrubberClient) WatchPod(name, namespace, resourceVersion string) func() *api.Pod {
+	return func() *api.Pod {
+		return c.pod
+	}
+}