Add a swagger schema validator, for validating client side json files.
This commit is contained in:
Brendan Burns
279
pkg/api/validation/schema_test.go
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279
pkg/api/validation/schema_test.go
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/*
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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 validation
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import (
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"io/ioutil"
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"strconv"
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"testing"
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"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/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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func LoadSchemaForTest(file string) (*Schema, error) {
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data, err := ioutil.ReadFile(file)
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if err != nil {
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return nil, err
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}
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return NewSchemaFromBytes(data)
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}
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// TODO: this is cloned from serialization_test.go, refactor to somewhere common like util
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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 *runtime.PluginBase, c fuzz.Continue) {
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// Do nothing; this struct has only a Kind field and it must stay blank in memory.
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},
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func(j *runtime.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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j.Name = c.RandString()
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// TODO: Fix JSON/YAML packages and/or write custom encoding
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// for uint64's. Somehow the LS *byte* of this is lost, but
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// only when all 8 bytes are set.
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j.ResourceVersion = strconv.FormatUint(c.RandUint64()>>8, 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 *api.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 *api.ObjectMeta, c fuzz.Continue) {
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j.Name = c.RandString()
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// TODO: Fix JSON/YAML packages and/or write custom encoding
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// for uint64's. Somehow the LS *byte* of this is lost, but
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// only when all 8 bytes are set.
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j.ResourceVersion = strconv.FormatUint(c.RandUint64()>>8, 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 *api.ListMeta, c fuzz.Continue) {
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// TODO: Fix JSON/YAML packages and/or write custom encoding
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// for uint64's. Somehow the LS *byte* of this is lost, but
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// only when all 8 bytes are set.
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j.ResourceVersion = strconv.FormatUint(c.RandUint64()>>8, 10)
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j.SelfLink = c.RandString()
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},
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func(j *api.PodCondition, c fuzz.Continue) {
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statuses := []api.PodCondition{api.PodPending, api.PodRunning, api.PodFailed}
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*j = statuses[c.Rand.Intn(len(statuses))]
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},
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func(j *api.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 = &api.PodTemplateSpec{}
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}
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j.Template.ObjectMeta = api.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 *api.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(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(u64 *uint64, c fuzz.Continue) {
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// TODO: uint64's are NOT handled right.
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*u64 = c.RandUint64() >> 8
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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 TestLoad(t *testing.T) {
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_, err := LoadSchemaForTest("v1beta1-swagger.json")
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if err != nil {
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t.Errorf("Failed to load: %v", err)
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}
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}
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func TestValidateOk(t *testing.T) {
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schema, err := LoadSchemaForTest("v1beta1-swagger.json")
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if err != nil {
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t.Errorf("Failed to load: %v", err)
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}
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tests := []struct {
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obj runtime.Object
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typeName string
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}{
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{obj: &api.Pod{}},
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{obj: &api.Service{}},
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{obj: &api.ReplicationController{}},
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}
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for i := 0; i < 5; i++ {
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for _, test := range tests {
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testObj := test.obj
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apiObjectFuzzer.Fuzz(testObj)
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data, err := v1beta1.Codec.Encode(testObj)
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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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err = schema.ValidateBytes(data)
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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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}
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}
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}
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var invalidPod = `{
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"id": "name",
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"kind": "Pod",
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"apiVersion": "v1beta1",
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"desiredState": {
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"manifest": {
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"version": "v1beta1",
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"id": "redis-master",
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"containers": [{
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"name": "master",
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"image": "dockerfile/redis",
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"command": "this is a bad command",
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}]
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}
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},
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"labels": {
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"name": "redis-master"
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}
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}
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`
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var invalidPod2 = `{
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"apiVersion": "v1beta1",
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"kind": "Pod",
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"id": "apache-php",
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"desiredState": {
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"manifest": {
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"version": "v1beta1",
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"id": "apache-php",
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"containers": [
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{
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"name": "apache-php",
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"image": "php:5.6.2-apache",
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"ports": [{ "name": "apache", "containerPort": 80, "hostPort":"13380", "protocol":"TCP" }],
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"volumeMounts": [{"name": "shared-disk","mountPath": "/var/www/html", "readOnly": false}]
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}
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]
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}
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},
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"labels": { "name": "apache-php" },
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"restartPolicy": {"always": {}},
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"volumes": [
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"name": "shared-disk",
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"source": {
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"GCEPersistentDisk": {
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"path": "shared-disk"
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}
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}
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]
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}
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`
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var invalidPod3 = `{
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"apiVersion": "v1beta1",
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"kind": "Pod",
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"id": "apache-php",
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"desiredState": {
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"manifest": {
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"version": "v1beta1",
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"id": "apache-php",
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"containers": [
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{
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"name": "apache-php",
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"image": "php:5.6.2-apache",
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"ports": [{ "name": "apache", "containerPort": 80, "hostPort":"13380", "protocol":"TCP" }],
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"volumeMounts": [{"name": "shared-disk","mountPath": "/var/www/html", "readOnly": false}]
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}
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]
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}
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},
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"labels": { "name": "apache-php" },
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"restartPolicy": {"always": {}},
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"volumes": [
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{
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"name": "shared-disk",
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"source": {
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"GCEPersistentDisk": {
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"path": "shared-disk"
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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 TestInvalid(t *testing.T) {
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schema, err := LoadSchemaForTest("v1beta1-swagger.json")
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if err != nil {
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t.Errorf("Failed to load: %v", err)
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}
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tests := []string{invalidPod, invalidPod2}
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for _, test := range tests {
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err = schema.ValidateBytes([]byte(test))
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if err == nil {
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t.Errorf("unexpected non-error\n%s", test)
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}
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}
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}
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