2b85b0d1df
Update k8s client and the dependencies ACI client change for Mocking Add ACI Provider Mock Tests Add the Windows development environment Add UT for Default Resource Requests Enable the make test in Docker file Update the vendors
771 lines
20 KiB
Go
771 lines
20 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package discovery_test
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import (
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"encoding/json"
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"fmt"
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"mime"
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"net/http"
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"net/http/httptest"
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"reflect"
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"testing"
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"github.com/gogo/protobuf/proto"
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"github.com/googleapis/gnostic/OpenAPIv2"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/apimachinery/pkg/version"
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. "k8s.io/client-go/discovery"
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restclient "k8s.io/client-go/rest"
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)
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func TestGetServerVersion(t *testing.T) {
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expect := version.Info{
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Major: "foo",
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Minor: "bar",
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GitCommit: "baz",
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}
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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output, err := json.Marshal(expect)
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if err != nil {
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t.Errorf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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}))
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defer server.Close()
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client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL})
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got, err := client.ServerVersion()
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if err != nil {
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t.Fatalf("unexpected encoding error: %v", err)
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}
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if e, a := expect, *got; !reflect.DeepEqual(e, a) {
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t.Errorf("expected %v, got %v", e, a)
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}
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}
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func TestGetServerGroupsWithV1Server(t *testing.T) {
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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var obj interface{}
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switch req.URL.Path {
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case "/api":
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obj = &metav1.APIVersions{
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Versions: []string{
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"v1",
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},
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}
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default:
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w.WriteHeader(http.StatusNotFound)
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return
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}
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output, err := json.Marshal(obj)
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if err != nil {
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t.Fatalf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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}))
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defer server.Close()
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client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL})
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// ServerGroups should not return an error even if server returns error at /api and /apis
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apiGroupList, err := client.ServerGroups()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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groupVersions := metav1.ExtractGroupVersions(apiGroupList)
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if !reflect.DeepEqual(groupVersions, []string{"v1"}) {
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t.Errorf("expected: %q, got: %q", []string{"v1"}, groupVersions)
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}
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}
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func TestGetServerGroupsWithBrokenServer(t *testing.T) {
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for _, statusCode := range []int{http.StatusNotFound, http.StatusForbidden} {
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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w.WriteHeader(statusCode)
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}))
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defer server.Close()
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client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL})
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// ServerGroups should not return an error even if server returns Not Found or Forbidden error at all end points
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apiGroupList, err := client.ServerGroups()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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groupVersions := metav1.ExtractGroupVersions(apiGroupList)
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if len(groupVersions) != 0 {
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t.Errorf("expected empty list, got: %q", groupVersions)
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}
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}
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}
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func TestGetServerResourcesWithV1Server(t *testing.T) {
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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var obj interface{}
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switch req.URL.Path {
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case "/api":
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obj = &metav1.APIVersions{
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Versions: []string{
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"v1",
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},
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}
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default:
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w.WriteHeader(http.StatusNotFound)
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return
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}
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output, err := json.Marshal(obj)
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if err != nil {
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t.Errorf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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}))
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defer server.Close()
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client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL})
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// ServerResources should not return an error even if server returns error at /api/v1.
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serverResources, err := client.ServerResources()
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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gvs := groupVersions(serverResources)
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if !sets.NewString(gvs...).Has("v1") {
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t.Errorf("missing v1 in resource list: %v", serverResources)
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}
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}
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func TestGetServerResources(t *testing.T) {
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stable := metav1.APIResourceList{
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GroupVersion: "v1",
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APIResources: []metav1.APIResource{
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{Name: "pods", Namespaced: true, Kind: "Pod"},
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{Name: "services", Namespaced: true, Kind: "Service"},
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{Name: "namespaces", Namespaced: false, Kind: "Namespace"},
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},
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}
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beta := metav1.APIResourceList{
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GroupVersion: "extensions/v1beta1",
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APIResources: []metav1.APIResource{
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{Name: "deployments", Namespaced: true, Kind: "Deployment"},
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{Name: "ingresses", Namespaced: true, Kind: "Ingress"},
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{Name: "jobs", Namespaced: true, Kind: "Job"},
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},
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}
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tests := []struct {
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resourcesList *metav1.APIResourceList
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path string
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request string
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expectErr bool
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}{
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{
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resourcesList: &stable,
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path: "/api/v1",
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request: "v1",
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expectErr: false,
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},
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{
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resourcesList: &beta,
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path: "/apis/extensions/v1beta1",
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request: "extensions/v1beta1",
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expectErr: false,
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},
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{
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resourcesList: &stable,
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path: "/api/v1",
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request: "foobar",
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expectErr: true,
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},
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}
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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var list interface{}
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switch req.URL.Path {
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case "/api/v1":
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list = &stable
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case "/apis/extensions/v1beta1":
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list = &beta
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case "/api":
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list = &metav1.APIVersions{
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Versions: []string{
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"v1",
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},
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}
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case "/apis":
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list = &metav1.APIGroupList{
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Groups: []metav1.APIGroup{
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{
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Versions: []metav1.GroupVersionForDiscovery{
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{GroupVersion: "extensions/v1beta1"},
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},
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},
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},
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}
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default:
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t.Logf("unexpected request: %s", req.URL.Path)
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w.WriteHeader(http.StatusNotFound)
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return
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}
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output, err := json.Marshal(list)
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if err != nil {
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t.Errorf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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}))
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defer server.Close()
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client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL})
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for _, test := range tests {
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got, err := client.ServerResourcesForGroupVersion(test.request)
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if test.expectErr {
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if err == nil {
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t.Error("unexpected non-error")
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}
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continue
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}
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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continue
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}
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if !reflect.DeepEqual(got, test.resourcesList) {
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t.Errorf("expected:\n%v\ngot:\n%v\n", test.resourcesList, got)
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}
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}
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serverResources, err := client.ServerResources()
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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serverGroupVersions := sets.NewString(groupVersions(serverResources)...)
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for _, api := range []string{"v1", "extensions/v1beta1"} {
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if !serverGroupVersions.Has(api) {
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t.Errorf("missing expected api %q in %v", api, serverResources)
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}
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}
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}
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var returnedOpenAPI = openapi_v2.Document{
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Definitions: &openapi_v2.Definitions{
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AdditionalProperties: []*openapi_v2.NamedSchema{
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{
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Name: "fake.type.1",
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Value: &openapi_v2.Schema{
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Properties: &openapi_v2.Properties{
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AdditionalProperties: []*openapi_v2.NamedSchema{
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{
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Name: "count",
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Value: &openapi_v2.Schema{
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Type: &openapi_v2.TypeItem{
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Value: []string{"integer"},
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},
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},
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},
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},
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},
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},
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},
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{
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Name: "fake.type.2",
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Value: &openapi_v2.Schema{
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Properties: &openapi_v2.Properties{
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AdditionalProperties: []*openapi_v2.NamedSchema{
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{
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Name: "count",
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Value: &openapi_v2.Schema{
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Type: &openapi_v2.TypeItem{
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Value: []string{"array"},
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},
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Items: &openapi_v2.ItemsItem{
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Schema: []*openapi_v2.Schema{
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{
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Type: &openapi_v2.TypeItem{
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Value: []string{"string"},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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}
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func openapiSchemaFakeServer() (*httptest.Server, error) {
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var sErr error
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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if req.URL.Path != "/swagger-2.0.0.pb-v1" {
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sErr = fmt.Errorf("Unexpected url %v", req.URL)
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}
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if req.Method != "GET" {
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sErr = fmt.Errorf("Unexpected method %v", req.Method)
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}
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mime.AddExtensionType(".pb-v1", "application/com.github.googleapis.gnostic.OpenAPIv2@68f4ded+protobuf")
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output, err := proto.Marshal(&returnedOpenAPI)
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if err != nil {
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sErr = err
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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}))
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return server, sErr
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}
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func TestGetOpenAPISchema(t *testing.T) {
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server, err := openapiSchemaFakeServer()
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if err != nil {
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t.Errorf("unexpected error starting fake server: %v", err)
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}
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defer server.Close()
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client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL})
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got, err := client.OpenAPISchema()
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if err != nil {
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t.Fatalf("unexpected error getting openapi: %v", err)
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}
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if e, a := returnedOpenAPI, *got; !reflect.DeepEqual(e, a) {
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t.Errorf("expected %v, got %v", e, a)
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}
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}
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func TestServerPreferredResources(t *testing.T) {
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stable := metav1.APIResourceList{
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GroupVersion: "v1",
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APIResources: []metav1.APIResource{
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{Name: "pods", Namespaced: true, Kind: "Pod"},
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{Name: "services", Namespaced: true, Kind: "Service"},
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{Name: "namespaces", Namespaced: false, Kind: "Namespace"},
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},
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}
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tests := []struct {
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resourcesList []*metav1.APIResourceList
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response func(w http.ResponseWriter, req *http.Request)
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expectErr func(err error) bool
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}{
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{
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resourcesList: []*metav1.APIResourceList{&stable},
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expectErr: IsGroupDiscoveryFailedError,
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response: func(w http.ResponseWriter, req *http.Request) {
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var list interface{}
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switch req.URL.Path {
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case "/apis/extensions/v1beta1":
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w.WriteHeader(http.StatusInternalServerError)
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return
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case "/api/v1":
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list = &stable
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case "/api":
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list = &metav1.APIVersions{
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Versions: []string{
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"v1",
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},
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}
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case "/apis":
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list = &metav1.APIGroupList{
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Groups: []metav1.APIGroup{
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{
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Versions: []metav1.GroupVersionForDiscovery{
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{GroupVersion: "extensions/v1beta1"},
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},
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},
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},
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}
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default:
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t.Logf("unexpected request: %s", req.URL.Path)
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w.WriteHeader(http.StatusNotFound)
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return
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}
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output, err := json.Marshal(list)
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if err != nil {
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t.Errorf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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},
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},
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{
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resourcesList: nil,
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expectErr: IsGroupDiscoveryFailedError,
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response: func(w http.ResponseWriter, req *http.Request) {
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var list interface{}
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switch req.URL.Path {
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case "/apis/extensions/v1beta1":
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w.WriteHeader(http.StatusInternalServerError)
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return
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case "/api/v1":
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w.WriteHeader(http.StatusInternalServerError)
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case "/api":
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list = &metav1.APIVersions{
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Versions: []string{
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"v1",
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},
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}
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case "/apis":
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list = &metav1.APIGroupList{
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Groups: []metav1.APIGroup{
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{
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Versions: []metav1.GroupVersionForDiscovery{
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{GroupVersion: "extensions/v1beta1"},
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},
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},
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},
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}
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default:
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t.Logf("unexpected request: %s", req.URL.Path)
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w.WriteHeader(http.StatusNotFound)
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return
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}
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output, err := json.Marshal(list)
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if err != nil {
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t.Errorf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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},
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},
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}
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for _, test := range tests {
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server := httptest.NewServer(http.HandlerFunc(test.response))
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defer server.Close()
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client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL})
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resources, err := client.ServerPreferredResources()
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if test.expectErr != nil {
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if err == nil {
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t.Error("unexpected non-error")
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}
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continue
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}
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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continue
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}
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got, err := GroupVersionResources(resources)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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continue
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}
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expected, _ := GroupVersionResources(test.resourcesList)
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if !reflect.DeepEqual(got, expected) {
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t.Errorf("expected:\n%v\ngot:\n%v\n", test.resourcesList, got)
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}
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server.Close()
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}
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}
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func TestServerPreferredResourcesRetries(t *testing.T) {
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stable := metav1.APIResourceList{
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GroupVersion: "v1",
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APIResources: []metav1.APIResource{
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{Name: "pods", Namespaced: true, Kind: "Pod"},
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},
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}
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beta := metav1.APIResourceList{
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GroupVersion: "extensions/v1",
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APIResources: []metav1.APIResource{
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{Name: "deployments", Namespaced: true, Kind: "Deployment"},
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},
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}
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response := func(numErrors int) http.HandlerFunc {
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var i = 0
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return func(w http.ResponseWriter, req *http.Request) {
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var list interface{}
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switch req.URL.Path {
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case "/apis/extensions/v1beta1":
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if i < numErrors {
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i++
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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list = &beta
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case "/api/v1":
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list = &stable
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case "/api":
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list = &metav1.APIVersions{
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Versions: []string{
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"v1",
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},
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}
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case "/apis":
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list = &metav1.APIGroupList{
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Groups: []metav1.APIGroup{
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{
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Name: "extensions",
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Versions: []metav1.GroupVersionForDiscovery{
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{GroupVersion: "extensions/v1beta1"},
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},
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PreferredVersion: metav1.GroupVersionForDiscovery{
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GroupVersion: "extensions/v1beta1",
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Version: "v1beta1",
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},
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},
|
|
},
|
|
}
|
|
default:
|
|
t.Logf("unexpected request: %s", req.URL.Path)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
output, err := json.Marshal(list)
|
|
if err != nil {
|
|
t.Errorf("unexpected encoding error: %v", err)
|
|
return
|
|
}
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.WriteHeader(http.StatusOK)
|
|
w.Write(output)
|
|
}
|
|
}
|
|
tests := []struct {
|
|
responseErrors int
|
|
expectResources int
|
|
expectedError func(err error) bool
|
|
}{
|
|
{
|
|
responseErrors: 1,
|
|
expectResources: 2,
|
|
expectedError: func(err error) bool {
|
|
return err == nil
|
|
},
|
|
},
|
|
{
|
|
responseErrors: 2,
|
|
expectResources: 1,
|
|
expectedError: IsGroupDiscoveryFailedError,
|
|
},
|
|
}
|
|
|
|
for i, tc := range tests {
|
|
server := httptest.NewServer(http.HandlerFunc(response(tc.responseErrors)))
|
|
defer server.Close()
|
|
|
|
client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL})
|
|
resources, err := client.ServerPreferredResources()
|
|
if !tc.expectedError(err) {
|
|
t.Errorf("case %d: unexpected error: %v", i, err)
|
|
}
|
|
got, err := GroupVersionResources(resources)
|
|
if err != nil {
|
|
t.Errorf("case %d: unexpected error: %v", i, err)
|
|
}
|
|
if len(got) != tc.expectResources {
|
|
t.Errorf("case %d: expect %d resources, got %#v", i, tc.expectResources, got)
|
|
}
|
|
server.Close()
|
|
}
|
|
}
|
|
|
|
func TestServerPreferredNamespacedResources(t *testing.T) {
|
|
stable := metav1.APIResourceList{
|
|
GroupVersion: "v1",
|
|
APIResources: []metav1.APIResource{
|
|
{Name: "pods", Namespaced: true, Kind: "Pod"},
|
|
{Name: "services", Namespaced: true, Kind: "Service"},
|
|
{Name: "namespaces", Namespaced: false, Kind: "Namespace"},
|
|
},
|
|
}
|
|
batchv1 := metav1.APIResourceList{
|
|
GroupVersion: "batch/v1",
|
|
APIResources: []metav1.APIResource{
|
|
{Name: "jobs", Namespaced: true, Kind: "Job"},
|
|
},
|
|
}
|
|
batchv2alpha1 := metav1.APIResourceList{
|
|
GroupVersion: "batch/v2alpha1",
|
|
APIResources: []metav1.APIResource{
|
|
{Name: "jobs", Namespaced: true, Kind: "Job"},
|
|
{Name: "cronjobs", Namespaced: true, Kind: "CronJob"},
|
|
},
|
|
}
|
|
batchv3alpha1 := metav1.APIResourceList{
|
|
GroupVersion: "batch/v3alpha1",
|
|
APIResources: []metav1.APIResource{
|
|
{Name: "jobs", Namespaced: true, Kind: "Job"},
|
|
{Name: "cronjobs", Namespaced: true, Kind: "CronJob"},
|
|
},
|
|
}
|
|
tests := []struct {
|
|
response func(w http.ResponseWriter, req *http.Request)
|
|
expected map[schema.GroupVersionResource]struct{}
|
|
}{
|
|
{
|
|
response: func(w http.ResponseWriter, req *http.Request) {
|
|
var list interface{}
|
|
switch req.URL.Path {
|
|
case "/api/v1":
|
|
list = &stable
|
|
case "/api":
|
|
list = &metav1.APIVersions{
|
|
Versions: []string{
|
|
"v1",
|
|
},
|
|
}
|
|
default:
|
|
t.Logf("unexpected request: %s", req.URL.Path)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
output, err := json.Marshal(list)
|
|
if err != nil {
|
|
t.Errorf("unexpected encoding error: %v", err)
|
|
return
|
|
}
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.WriteHeader(http.StatusOK)
|
|
w.Write(output)
|
|
},
|
|
expected: map[schema.GroupVersionResource]struct{}{
|
|
{Group: "", Version: "v1", Resource: "pods"}: {},
|
|
{Group: "", Version: "v1", Resource: "services"}: {},
|
|
},
|
|
},
|
|
{
|
|
response: func(w http.ResponseWriter, req *http.Request) {
|
|
var list interface{}
|
|
switch req.URL.Path {
|
|
case "/apis":
|
|
list = &metav1.APIGroupList{
|
|
Groups: []metav1.APIGroup{
|
|
{
|
|
Name: "batch",
|
|
Versions: []metav1.GroupVersionForDiscovery{
|
|
{GroupVersion: "batch/v1", Version: "v1"},
|
|
{GroupVersion: "batch/v2alpha1", Version: "v2alpha1"},
|
|
{GroupVersion: "batch/v3alpha1", Version: "v3alpha1"},
|
|
},
|
|
PreferredVersion: metav1.GroupVersionForDiscovery{GroupVersion: "batch/v1", Version: "v1"},
|
|
},
|
|
},
|
|
}
|
|
case "/apis/batch/v1":
|
|
list = &batchv1
|
|
case "/apis/batch/v2alpha1":
|
|
list = &batchv2alpha1
|
|
case "/apis/batch/v3alpha1":
|
|
list = &batchv3alpha1
|
|
default:
|
|
t.Logf("unexpected request: %s", req.URL.Path)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
output, err := json.Marshal(list)
|
|
if err != nil {
|
|
t.Errorf("unexpected encoding error: %v", err)
|
|
return
|
|
}
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.WriteHeader(http.StatusOK)
|
|
w.Write(output)
|
|
},
|
|
expected: map[schema.GroupVersionResource]struct{}{
|
|
{Group: "batch", Version: "v1", Resource: "jobs"}: {},
|
|
{Group: "batch", Version: "v2alpha1", Resource: "cronjobs"}: {},
|
|
},
|
|
},
|
|
{
|
|
response: func(w http.ResponseWriter, req *http.Request) {
|
|
var list interface{}
|
|
switch req.URL.Path {
|
|
case "/apis":
|
|
list = &metav1.APIGroupList{
|
|
Groups: []metav1.APIGroup{
|
|
{
|
|
Name: "batch",
|
|
Versions: []metav1.GroupVersionForDiscovery{
|
|
{GroupVersion: "batch/v1", Version: "v1"},
|
|
{GroupVersion: "batch/v2alpha1", Version: "v2alpha1"},
|
|
{GroupVersion: "batch/v3alpha1", Version: "v3alpha1"},
|
|
},
|
|
PreferredVersion: metav1.GroupVersionForDiscovery{GroupVersion: "batch/v2alpha", Version: "v2alpha1"},
|
|
},
|
|
},
|
|
}
|
|
case "/apis/batch/v1":
|
|
list = &batchv1
|
|
case "/apis/batch/v2alpha1":
|
|
list = &batchv2alpha1
|
|
case "/apis/batch/v3alpha1":
|
|
list = &batchv3alpha1
|
|
default:
|
|
t.Logf("unexpected request: %s", req.URL.Path)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
output, err := json.Marshal(list)
|
|
if err != nil {
|
|
t.Errorf("unexpected encoding error: %v", err)
|
|
return
|
|
}
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.WriteHeader(http.StatusOK)
|
|
w.Write(output)
|
|
},
|
|
expected: map[schema.GroupVersionResource]struct{}{
|
|
{Group: "batch", Version: "v2alpha1", Resource: "jobs"}: {},
|
|
{Group: "batch", Version: "v2alpha1", Resource: "cronjobs"}: {},
|
|
},
|
|
},
|
|
}
|
|
for i, test := range tests {
|
|
server := httptest.NewServer(http.HandlerFunc(test.response))
|
|
defer server.Close()
|
|
|
|
client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL})
|
|
resources, err := client.ServerPreferredNamespacedResources()
|
|
if err != nil {
|
|
t.Errorf("[%d] unexpected error: %v", i, err)
|
|
continue
|
|
}
|
|
got, err := GroupVersionResources(resources)
|
|
if err != nil {
|
|
t.Errorf("[%d] unexpected error: %v", i, err)
|
|
continue
|
|
}
|
|
|
|
if !reflect.DeepEqual(got, test.expected) {
|
|
t.Errorf("[%d] expected:\n%v\ngot:\n%v\n", i, test.expected, got)
|
|
}
|
|
server.Close()
|
|
}
|
|
}
|
|
|
|
func groupVersions(resources []*metav1.APIResourceList) []string {
|
|
result := []string{}
|
|
for _, resourceList := range resources {
|
|
result = append(result, resourceList.GroupVersion)
|
|
}
|
|
return result
|
|
}
|