Replace godep with dep

vendor/k8s.io/kubernetes/test/integration/apiserver/apiserver_test.go

@@ -0,0 +1,234 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+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 apiserver
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"reflect"
+	"testing"
+
+	"github.com/golang/glog"
+	"k8s.io/api/core/v1"
+	"k8s.io/api/extensions/v1beta1"
+	"k8s.io/apimachinery/pkg/api/meta"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	genericfeatures "k8s.io/apiserver/pkg/features"
+	utilfeature "k8s.io/apiserver/pkg/util/feature"
+	clientset "k8s.io/client-go/kubernetes"
+	restclient "k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/pager"
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/testapi"
+	"k8s.io/kubernetes/test/integration/framework"
+)
+
+func setup(t *testing.T) (*httptest.Server, clientset.Interface, framework.CloseFunc) {
+	masterConfig := framework.NewIntegrationTestMasterConfig()
+	masterConfig.ExtraConfig.EnableCoreControllers = false
+	_, s, closeFn := framework.RunAMaster(masterConfig)
+
+	clientSet, err := clientset.NewForConfig(&restclient.Config{Host: s.URL})
+	if err != nil {
+		t.Fatalf("Error in create clientset: %v", err)
+	}
+	return s, clientSet, closeFn
+}
+
+func verifyStatusCode(t *testing.T, verb, URL, body string, expectedStatusCode int) {
+	// We dont use the typed Go client to send this request to be able to verify the response status code.
+	bodyBytes := bytes.NewReader([]byte(body))
+	req, err := http.NewRequest(verb, URL, bodyBytes)
+	if err != nil {
+		t.Fatalf("unexpected error: %v in sending req with verb: %s, URL: %s and body: %s", err, verb, URL, body)
+	}
+	transport := http.DefaultTransport
+	glog.Infof("Sending request: %v", req)
+	resp, err := transport.RoundTrip(req)
+	if err != nil {
+		t.Fatalf("unexpected error: %v in req: %v", err, req)
+	}
+	defer resp.Body.Close()
+	b, _ := ioutil.ReadAll(resp.Body)
+	if resp.StatusCode != expectedStatusCode {
+		t.Errorf("Expected status %v, but got %v", expectedStatusCode, resp.StatusCode)
+		t.Errorf("Body: %v", string(b))
+	}
+}
+
+func path(resource, namespace, name string) string {
+	return testapi.Extensions.ResourcePath(resource, namespace, name)
+}
+
+func newRS(namespace string) *v1beta1.ReplicaSet {
+	return &v1beta1.ReplicaSet{
+		TypeMeta: metav1.TypeMeta{
+			Kind:       "ReplicaSet",
+			APIVersion: "extensions/v1beta1",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace:    namespace,
+			GenerateName: "apiserver-test",
+		},
+		Spec: v1beta1.ReplicaSetSpec{
+			Template: v1.PodTemplateSpec{
+				ObjectMeta: metav1.ObjectMeta{
+					Labels: map[string]string{"name": "test"},
+				},
+				Spec: v1.PodSpec{
+					Containers: []v1.Container{
+						{
+							Name:  "fake-name",
+							Image: "fakeimage",
+						},
+					},
+				},
+			},
+		},
+	}
+}
+
+var cascDel = `
+{
+  "kind": "DeleteOptions",
+  "apiVersion": "` + testapi.Groups[api.GroupName].GroupVersion().String() + `",
+  "orphanDependents": false
+}
+`
+
+// Tests that the apiserver returns 202 status code as expected.
+func Test202StatusCode(t *testing.T) {
+	s, clientSet, closeFn := setup(t)
+	defer closeFn()
+
+	ns := framework.CreateTestingNamespace("status-code", s, t)
+	defer framework.DeleteTestingNamespace(ns, s, t)
+
+	rsClient := clientSet.Extensions().ReplicaSets(ns.Name)
+
+	// 1. Create the resource without any finalizer and then delete it without setting DeleteOptions.
+	// Verify that server returns 200 in this case.
+	rs, err := rsClient.Create(newRS(ns.Name))
+	if err != nil {
+		t.Fatalf("Failed to create rs: %v", err)
+	}
+	verifyStatusCode(t, "DELETE", s.URL+path("replicasets", ns.Name, rs.Name), "", 200)
+
+	// 2. Create the resource with a finalizer so that the resource is not immediately deleted and then delete it without setting DeleteOptions.
+	// Verify that the apiserver still returns 200 since DeleteOptions.OrphanDependents is not set.
+	rs = newRS(ns.Name)
+	rs.ObjectMeta.Finalizers = []string{"kube.io/dummy-finalizer"}
+	rs, err = rsClient.Create(rs)
+	if err != nil {
+		t.Fatalf("Failed to create rs: %v", err)
+	}
+	verifyStatusCode(t, "DELETE", s.URL+path("replicasets", ns.Name, rs.Name), "", 200)
+
+	// 3. Create the resource and then delete it with DeleteOptions.OrphanDependents=false.
+	// Verify that the server still returns 200 since the resource is immediately deleted.
+	rs = newRS(ns.Name)
+	rs, err = rsClient.Create(rs)
+	if err != nil {
+		t.Fatalf("Failed to create rs: %v", err)
+	}
+	verifyStatusCode(t, "DELETE", s.URL+path("replicasets", ns.Name, rs.Name), cascDel, 200)
+
+	// 4. Create the resource with a finalizer so that the resource is not immediately deleted and then delete it with DeleteOptions.OrphanDependents=false.
+	// Verify that the server returns 202 in this case.
+	rs = newRS(ns.Name)
+	rs.ObjectMeta.Finalizers = []string{"kube.io/dummy-finalizer"}
+	rs, err = rsClient.Create(rs)
+	if err != nil {
+		t.Fatalf("Failed to create rs: %v", err)
+	}
+	verifyStatusCode(t, "DELETE", s.URL+path("replicasets", ns.Name, rs.Name), cascDel, 202)
+}
+
+func TestAPIListChunking(t *testing.T) {
+	if err := utilfeature.DefaultFeatureGate.Set(string(genericfeatures.APIListChunking) + "=true"); err != nil {
+		t.Fatal(err)
+	}
+	s, clientSet, closeFn := setup(t)
+	defer closeFn()
+
+	ns := framework.CreateTestingNamespace("list-paging", s, t)
+	defer framework.DeleteTestingNamespace(ns, s, t)
+
+	rsClient := clientSet.Extensions().ReplicaSets(ns.Name)
+
+	for i := 0; i < 4; i++ {
+		rs := newRS(ns.Name)
+		rs.Name = fmt.Sprintf("test-%d", i)
+		if _, err := rsClient.Create(rs); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	calls := 0
+	firstRV := ""
+	p := &pager.ListPager{
+		PageSize: 1,
+		PageFn: pager.SimplePageFunc(func(opts metav1.ListOptions) (runtime.Object, error) {
+			calls++
+			list, err := rsClient.List(opts)
+			if err != nil {
+				return nil, err
+			}
+			if calls == 1 {
+				firstRV = list.ResourceVersion
+			}
+			if calls == 2 {
+				rs := newRS(ns.Name)
+				rs.Name = "test-5"
+				if _, err := rsClient.Create(rs); err != nil {
+					t.Fatal(err)
+				}
+			}
+			return list, err
+		}),
+	}
+	listObj, err := p.List(context.Background(), metav1.ListOptions{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if calls != 4 {
+		t.Errorf("unexpected list invocations: %d", calls)
+	}
+	list := listObj.(metav1.ListInterface)
+	if len(list.GetContinue()) != 0 {
+		t.Errorf("unexpected continue: %s", list.GetContinue())
+	}
+	if list.GetResourceVersion() != firstRV {
+		t.Errorf("unexpected resource version: %s instead of %s", list.GetResourceVersion(), firstRV)
+	}
+	var names []string
+	if err := meta.EachListItem(listObj, func(obj runtime.Object) error {
+		rs := obj.(*v1beta1.ReplicaSet)
+		names = append(names, rs.Name)
+		return nil
+	}); err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(names, []string{"test-0", "test-1", "test-2", "test-3"}) {
+		t.Errorf("unexpected items: %#v", list)
+	}
+}