8bef68d475
When a CLI command `kubectl get rc --api-version=v1beta3` is called,
the API resource name should match v1beta3, not whatever the default
RESTMapper version is. This allows the correct resource name to be
returned ("replicationcontrollers", instead of "replicationControllers").
258 lines
7.9 KiB
Go
258 lines
7.9 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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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 latest
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import (
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"encoding/json"
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"reflect"
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"strconv"
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"testing"
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internal "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta1"
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_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta2"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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docker "github.com/fsouza/go-dockerclient"
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fuzz "github.com/google/gofuzz"
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)
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// apiObjectFuzzer can randomly populate api objects.
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var apiObjectFuzzer = fuzz.New().NilChance(.5).NumElements(1, 1).Funcs(
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func(j *internal.TypeMeta, c fuzz.Continue) {
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// We have to customize the randomization of TypeMetas because their
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// APIVersion and Kind must remain blank in memory.
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j.APIVersion = ""
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j.Kind = ""
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},
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func(j *internal.ObjectMeta, c fuzz.Continue) {
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j.Name = c.RandString()
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j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
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j.SelfLink = c.RandString()
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var sec, nsec int64
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c.Fuzz(&sec)
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c.Fuzz(&nsec)
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j.CreationTimestamp = util.Unix(sec, nsec).Rfc3339Copy()
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},
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func(j *internal.ListMeta, c fuzz.Continue) {
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j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
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j.SelfLink = c.RandString()
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},
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func(j *internal.ObjectReference, c fuzz.Continue) {
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// We have to customize the randomization of TypeMetas because their
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// APIVersion and Kind must remain blank in memory.
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j.APIVersion = c.RandString()
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j.Kind = c.RandString()
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j.Namespace = c.RandString()
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j.Name = c.RandString()
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j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
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j.FieldPath = c.RandString()
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},
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func(j *internal.PodPhase, c fuzz.Continue) {
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statuses := []internal.PodPhase{internal.PodPending, internal.PodRunning, internal.PodFailed, internal.PodUnknown}
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*j = statuses[c.Rand.Intn(len(statuses))]
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},
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func(j *internal.ReplicationControllerSpec, c fuzz.Continue) {
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// TemplateRef must be nil for round trip
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c.Fuzz(&j.Template)
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if j.Template == nil {
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// TODO: v1beta1/2 can't round trip a nil template correctly, fix by having v1beta1/2
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// conversion compare converted object to nil via DeepEqual
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j.Template = &internal.PodTemplateSpec{}
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}
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j.Template.ObjectMeta = internal.ObjectMeta{Labels: j.Template.ObjectMeta.Labels}
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j.Template.Spec.NodeSelector = nil
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c.Fuzz(&j.Selector)
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j.Replicas = int(c.RandUint64())
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},
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func(j *internal.ReplicationControllerStatus, c fuzz.Continue) {
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// only replicas round trips
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j.Replicas = int(c.RandUint64())
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},
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func(j *internal.List, c fuzz.Continue) {
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c.Fuzz(&j.ListMeta)
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c.Fuzz(&j.Items)
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if j.Items == nil {
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j.Items = []runtime.Object{}
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}
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},
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func(j *runtime.Object, c fuzz.Continue) {
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if c.RandBool() {
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*j = &runtime.Unknown{
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TypeMeta: runtime.TypeMeta{Kind: "Something", APIVersion: "unknown"},
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RawJSON: []byte(`{"apiVersion":"unknown","kind":"Something","someKey":"someValue"}`),
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}
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} else {
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types := []runtime.Object{&internal.Pod{}, &internal.ReplicationController{}}
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t := types[c.Rand.Intn(len(types))]
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c.Fuzz(t)
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*j = t
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}
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},
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func(intstr *util.IntOrString, c fuzz.Continue) {
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// util.IntOrString will panic if its kind is set wrong.
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if c.RandBool() {
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intstr.Kind = util.IntstrInt
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intstr.IntVal = int(c.RandUint64())
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intstr.StrVal = ""
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} else {
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intstr.Kind = util.IntstrString
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intstr.IntVal = 0
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intstr.StrVal = c.RandString()
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}
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},
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func(pb map[docker.Port][]docker.PortBinding, c fuzz.Continue) {
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// This is necessary because keys with nil values get omitted.
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// TODO: Is this a bug?
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pb[docker.Port(c.RandString())] = []docker.PortBinding{
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{c.RandString(), c.RandString()},
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{c.RandString(), c.RandString()},
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}
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},
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func(pm map[string]docker.PortMapping, c fuzz.Continue) {
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// This is necessary because keys with nil values get omitted.
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// TODO: Is this a bug?
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pm[c.RandString()] = docker.PortMapping{
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c.RandString(): c.RandString(),
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}
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},
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)
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func TestInternalRoundTrip(t *testing.T) {
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latest := "v1beta2"
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for k := range internal.Scheme.KnownTypes("") {
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obj, err := internal.Scheme.New("", k)
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if err != nil {
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t.Errorf("%s: unexpected error: %v", k, err)
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continue
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}
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apiObjectFuzzer.Fuzz(obj)
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newer, err := internal.Scheme.New(latest, k)
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if err != nil {
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t.Errorf("%s: unexpected error: %v", k, err)
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continue
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}
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if err := internal.Scheme.Convert(obj, newer); err != nil {
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t.Errorf("unable to convert %#v to %#v: %v", obj, newer, err)
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continue
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}
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actual, err := internal.Scheme.New("", k)
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if err != nil {
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t.Errorf("%s: unexpected error: %v", k, err)
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continue
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}
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if err := internal.Scheme.Convert(newer, actual); err != nil {
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t.Errorf("unable to convert %#v to %#v: %v", newer, actual, err)
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continue
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}
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if !reflect.DeepEqual(obj, actual) {
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t.Errorf("%s: diff %s", k, util.ObjectDiff(obj, actual))
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}
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}
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}
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func TestResourceVersioner(t *testing.T) {
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pod := internal.Pod{ObjectMeta: internal.ObjectMeta{ResourceVersion: "10"}}
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version, err := ResourceVersioner.ResourceVersion(&pod)
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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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if version != "10" {
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t.Errorf("unexpected version %v", version)
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}
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podList := internal.PodList{ListMeta: internal.ListMeta{ResourceVersion: "10"}}
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version, err = ResourceVersioner.ResourceVersion(&podList)
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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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if version != "10" {
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t.Errorf("unexpected version %v", version)
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}
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}
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func TestCodec(t *testing.T) {
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pod := internal.Pod{}
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data, err := Codec.Encode(&pod)
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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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other := internal.Pod{}
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if err := json.Unmarshal(data, &other); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if other.APIVersion != Version || other.Kind != "Pod" {
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t.Errorf("unexpected unmarshalled object %#v", other)
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}
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}
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func TestInterfacesFor(t *testing.T) {
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if _, err := InterfacesFor(""); err == nil {
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t.Fatalf("unexpected non-error: %v", err)
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}
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for i, version := range append([]string{Version, OldestVersion}, Versions...) {
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if vi, err := InterfacesFor(version); err != nil || vi == nil {
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t.Fatalf("%d: unexpected result: %v", i, err)
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}
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}
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}
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func TestRESTMapper(t *testing.T) {
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if v, k, err := RESTMapper.VersionAndKindForResource("replicationControllers"); err != nil || v != Version || k != "ReplicationController" {
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t.Errorf("unexpected version mapping: %s %s %v", v, k, err)
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}
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if v, k, err := RESTMapper.VersionAndKindForResource("replicationcontrollers"); err != nil || v != Version || k != "ReplicationController" {
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t.Errorf("unexpected version mapping: %s %s %v", v, k, err)
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}
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for _, version := range Versions {
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mapping, err := RESTMapper.RESTMapping("ReplicationController", version)
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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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if mapping.Resource != "replicationControllers" && mapping.Resource != "replicationcontrollers" {
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t.Errorf("incorrect resource name: %#v", mapping)
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}
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if mapping.APIVersion != version {
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t.Errorf("incorrect version: %v", mapping)
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}
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interfaces, _ := InterfacesFor(version)
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if mapping.Codec != interfaces.Codec {
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t.Errorf("unexpected codec: %#v", mapping)
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}
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rc := &internal.ReplicationController{ObjectMeta: internal.ObjectMeta{Name: "foo"}}
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name, err := mapping.MetadataAccessor.Name(rc)
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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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if name != "foo" {
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t.Errorf("unable to retrieve object meta with: %v", mapping.MetadataAccessor)
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}
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}
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}
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