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Integration test for API paging

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This commit is contained in:
Clayton Coleman 2017-08-15 22:26:49 -04:00
parent 8952a0cb72
commit 91527b9809
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GPG Key ID: 3D16906B4F1C5CB3
2 changed files with 82 additions and 0 deletions
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4
test/integration/apiserver/BUILD
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@ -28,10 +28,14 @@ go_test(
"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/meta:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apiserver/pkg/endpoints/handlers:go_default_library",
"//vendor/k8s.io/apiserver/pkg/features:go_default_library",
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
"//vendor/k8s.io/client-go/kubernetes:go_default_library",
"//vendor/k8s.io/client-go/rest:go_default_library",
"//vendor/k8s.io/client-go/tools/pager:go_default_library",
],
)

78
test/integration/apiserver/apiserver_test.go
View File

@ -18,17 +18,25 @@ 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"
@ -154,3 +162,73 @@ func Test202StatusCode(t *testing.T) {
}
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)
}
}