k3s/pkg/master/master_test.go

/*
Copyright 2014 The Kubernetes Authors All rights reserved.

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 master

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	"io/ioutil"
	"net"
	"net/http"
	"net/http/httptest"
	"os"
	"path/filepath"
	"reflect"
	"testing"
	"time"

	"github.com/emicklei/go-restful"
	"github.com/stretchr/testify/assert"
	"k8s.io/kubernetes/pkg/api"
	"k8s.io/kubernetes/pkg/api/latest"
	"k8s.io/kubernetes/pkg/api/meta"
	"k8s.io/kubernetes/pkg/api/testapi"
	"k8s.io/kubernetes/pkg/api/unversioned"
	"k8s.io/kubernetes/pkg/api/v1"
	"k8s.io/kubernetes/pkg/apis/experimental"
	"k8s.io/kubernetes/pkg/apiserver"
	client "k8s.io/kubernetes/pkg/client/unversioned"
	"k8s.io/kubernetes/pkg/fields"
	"k8s.io/kubernetes/pkg/labels"
	"k8s.io/kubernetes/pkg/registry/endpoint"
	"k8s.io/kubernetes/pkg/registry/namespace"
	"k8s.io/kubernetes/pkg/registry/registrytest"
	etcdstorage "k8s.io/kubernetes/pkg/storage/etcd"
	"k8s.io/kubernetes/pkg/tools"
	"k8s.io/kubernetes/pkg/tools/etcdtest"
	"k8s.io/kubernetes/pkg/util"
)

// setUp is a convience function for setting up for (most) tests.
func setUp(t *testing.T) (Master, Config, *assert.Assertions) {
	master := Master{}
	config := Config{}
	fakeClient := tools.NewFakeEtcdClient(t)
	fakeClient.Machines = []string{"http://machine1:4001", "http://machine2", "http://machine3:4003"}
	config.DatabaseStorage = etcdstorage.NewEtcdStorage(fakeClient, testapi.Default.Codec(), etcdtest.PathPrefix())
	config.ExpDatabaseStorage = etcdstorage.NewEtcdStorage(fakeClient, testapi.Experimental.Codec(), etcdtest.PathPrefix())

	master.nodeRegistry = registrytest.NewNodeRegistry([]string{"node1", "node2"}, api.NodeResources{})

	return master, config, assert.New(t)
}

// TestNew verifies that the New function returns a Master
// using the configuration properly.
func TestNew(t *testing.T) {
	_, config, assert := setUp(t)
	config.KubeletClient = client.FakeKubeletClient{}
	master := New(&config)

	// Verify many of the variables match their config counterparts
	assert.Equal(master.enableCoreControllers, config.EnableCoreControllers)
	assert.Equal(master.enableLogsSupport, config.EnableLogsSupport)
	assert.Equal(master.enableUISupport, config.EnableUISupport)
	assert.Equal(master.enableSwaggerSupport, config.EnableSwaggerSupport)
	assert.Equal(master.enableSwaggerSupport, config.EnableSwaggerSupport)
	assert.Equal(master.enableProfiling, config.EnableProfiling)
	assert.Equal(master.apiPrefix, config.APIPrefix)
	assert.Equal(master.apiGroupPrefix, config.APIGroupPrefix)
	assert.Equal(master.corsAllowedOriginList, config.CorsAllowedOriginList)
	assert.Equal(master.authenticator, config.Authenticator)
	assert.Equal(master.authorizer, config.Authorizer)
	assert.Equal(master.admissionControl, config.AdmissionControl)
	assert.Equal(master.v1, !config.DisableV1)
	assert.Equal(master.exp, config.EnableExp)
	assert.Equal(master.requestContextMapper, config.RequestContextMapper)
	assert.Equal(master.cacheTimeout, config.CacheTimeout)
	assert.Equal(master.masterCount, config.MasterCount)
	assert.Equal(master.externalHost, config.ExternalHost)
	assert.Equal(master.clusterIP, config.PublicAddress)
	assert.Equal(master.publicReadWritePort, config.ReadWritePort)
	assert.Equal(master.serviceReadWriteIP, config.ServiceReadWriteIP)
	assert.Equal(master.installSSHKey, config.InstallSSHKey)
}

// TestNewEtcdStorage verifies that the usage of NewEtcdStorage reacts properly when
// the correct data is input
func TestNewEtcdStorage(t *testing.T) {
	assert := assert.New(t)
	fakeClient := tools.NewFakeEtcdClient(t)
	// Pass case
	_, err := NewEtcdStorage(fakeClient, latest.GroupOrDie("").InterfacesFor, testapi.Default.Version(), etcdtest.PathPrefix())
	assert.NoError(err, "Unable to create etcdstorage: %s", err)

	// Fail case
	errorFunc := func(apiVersion string) (*meta.VersionInterfaces, error) { return nil, errors.New("ERROR") }
	_, err = NewEtcdStorage(fakeClient, errorFunc, testapi.Default.Version(), etcdtest.PathPrefix())
	assert.Error(err, "NewEtcdStorage should have failed")

}

// TestGetServersToValidate verifies the unexported getServersToValidate function
func TestGetServersToValidate(t *testing.T) {
	master, config, assert := setUp(t)
	servers := master.getServersToValidate(&config)

	assert.Equal(5, len(servers), "unexpected server list: %#v", servers)

	for _, server := range []string{"scheduler", "controller-manager", "etcd-0", "etcd-1", "etcd-2"} {
		if _, ok := servers[server]; !ok {
			t.Errorf("server list missing: %s", server)
		}
	}
}

// TestFindExternalAddress verifies both pass and fail cases for the unexported
// findExternalAddress function
func TestFindExternalAddress(t *testing.T) {
	assert := assert.New(t)
	expectedIP := "172.0.0.1"

	nodes := []*api.Node{new(api.Node), new(api.Node), new(api.Node)}
	nodes[0].Status.Addresses = []api.NodeAddress{{"ExternalIP", expectedIP}}
	nodes[1].Status.Addresses = []api.NodeAddress{{"LegacyHostIP", expectedIP}}
	nodes[2].Status.Addresses = []api.NodeAddress{{"ExternalIP", expectedIP}, {"LegacyHostIP", "172.0.0.2"}}

	// Pass Case
	for _, node := range nodes {
		ip, err := findExternalAddress(node)
		assert.NoError(err, "error getting node external address")
		assert.Equal(expectedIP, ip, "expected ip to be %s, but was %s", expectedIP, ip)
	}

	// Fail case
	_, err := findExternalAddress(new(api.Node))
	assert.Error(err, "expected findExternalAddress to fail on a node with missing ip information")
}

// TestApi_v1 verifies that the unexported api_v1 function does indeed
// utilize the correct Version and Codec.
func TestApi_v1(t *testing.T) {
	master, _, assert := setUp(t)
	version := master.api_v1()
	assert.Equal("v1", version.Version, "Version was not v1: %s", version.Version)
	assert.Equal(v1.Codec, version.Codec, "version.Codec was not for v1: %s", version.Codec)
	for k, v := range master.storage {
		assert.Contains(version.Storage, v, "Value %s not found (key: %s)", k, v)
	}
}

// TestNewBootstrapController verifies master fields are properly copied into controller
func TestNewBootstrapController(t *testing.T) {
	// Tests a subset of inputs to ensure they are set properly in the controller
	master, _, assert := setUp(t)
	portRange := util.PortRange{Base: 10, Size: 10}

	master.namespaceRegistry = namespace.NewRegistry(nil)
	master.serviceRegistry = registrytest.NewServiceRegistry()
	master.endpointRegistry = endpoint.NewRegistry(nil)

	master.serviceNodePortRange = portRange
	master.masterCount = 1
	master.serviceReadWritePort = 1000
	master.publicReadWritePort = 1010

	controller := master.NewBootstrapController()

	assert.Equal(controller.NamespaceRegistry, master.namespaceRegistry)
	assert.Equal(controller.EndpointRegistry, master.endpointRegistry)
	assert.Equal(controller.ServiceRegistry, master.serviceRegistry)
	assert.Equal(controller.ServiceNodePortRange, portRange)
	assert.Equal(controller.MasterCount, master.masterCount)
	assert.Equal(controller.ServicePort, master.serviceReadWritePort)
	assert.Equal(controller.PublicServicePort, master.publicReadWritePort)
}

// TestNewHandlerContainer verifies that NewHandlerContainer uses the
// mux provided
func TestNewHandlerContainer(t *testing.T) {
	assert := assert.New(t)
	mux := http.NewServeMux()
	container := NewHandlerContainer(mux)
	assert.Equal(mux, container.ServeMux, "ServerMux's do not match")
}

// TestHandleWithAuth verifies HandleWithAuth adds the path
// to the muxHelper.RegisteredPaths.
func TestHandleWithAuth(t *testing.T) {
	master, _, assert := setUp(t)
	mh := apiserver.MuxHelper{Mux: http.NewServeMux()}
	master.muxHelper = &mh
	handler := func(r http.ResponseWriter, w *http.Request) { w.Write(nil) }
	master.HandleWithAuth("/test", http.HandlerFunc(handler))

	assert.Contains(master.muxHelper.RegisteredPaths, "/test", "Path not found in muxHelper")
}

// TestHandleFuncWithAuth verifies HandleFuncWithAuth adds the path
// to the muxHelper.RegisteredPaths.
func TestHandleFuncWithAuth(t *testing.T) {
	master, _, assert := setUp(t)
	mh := apiserver.MuxHelper{Mux: http.NewServeMux()}
	master.muxHelper = &mh
	handler := func(r http.ResponseWriter, w *http.Request) { w.Write(nil) }
	master.HandleFuncWithAuth("/test", handler)

	assert.Contains(master.muxHelper.RegisteredPaths, "/test", "Path not found in muxHelper")
}

// TestInstallSwaggerAPI verifies that the swagger api is added
// at the proper endpoint.
func TestInstallSwaggerAPI(t *testing.T) {
	master, _, assert := setUp(t)
	mux := http.NewServeMux()
	master.handlerContainer = NewHandlerContainer(mux)

	// Ensure swagger isn't installed without the call
	ws := master.handlerContainer.RegisteredWebServices()
	if !assert.Equal(len(ws), 0) {
		for x := range ws {
			assert.NotEqual("/swaggerapi", ws[x].RootPath(), "SwaggerAPI was installed without a call to InstallSwaggerAPI()")
		}
	}

	// Install swagger and test
	master.InstallSwaggerAPI()
	ws = master.handlerContainer.RegisteredWebServices()
	if assert.NotEqual(0, len(ws), "SwaggerAPI not installed.") {
		assert.Equal("/swaggerapi/", ws[0].RootPath(), "SwaggerAPI did not install to the proper path. %s != /swaggerapi", ws[0].RootPath())
	}

	// Empty externalHost verification
	mux = http.NewServeMux()
	master.handlerContainer = NewHandlerContainer(mux)
	master.externalHost = ""
	master.clusterIP = net.IPv4(10, 10, 10, 10)
	master.publicReadWritePort = 1010
	master.InstallSwaggerAPI()
	if assert.NotEqual(0, len(ws), "SwaggerAPI not installed.") {
		assert.Equal("/swaggerapi/", ws[0].RootPath(), "SwaggerAPI did not install to the proper path. %s != /swaggerapi", ws[0].RootPath())
	}
}

// TestDefaultAPIGroupVersion verifies that the unexported defaultAPIGroupVersion
// creates the expected APIGroupVersion based off of master.
func TestDefaultAPIGroupVersion(t *testing.T) {
	master, _, assert := setUp(t)
	master.dialer = func(network, addr string) (net.Conn, error) { return nil, nil }

	apiGroup := master.defaultAPIGroupVersion()

	assert.Equal(apiGroup.Root, master.apiPrefix)
	assert.Equal(apiGroup.Admit, master.admissionControl)
	assert.Equal(apiGroup.Context, master.requestContextMapper)
	assert.Equal(apiGroup.MinRequestTimeout, master.minRequestTimeout)

	// These functions should be different instances of the same function
	groupDialerFunc := fmt.Sprintf("%+v", apiGroup.ProxyDialerFn)
	masterDialerFunc := fmt.Sprintf("%+v", master.dialer)
	assert.Equal(groupDialerFunc, masterDialerFunc)
}

// TestExpapi verifies that the unexported exapi creates
// the an experimental api APIGroupVersion.
func TestExpapi(t *testing.T) {
	master, config, assert := setUp(t)

	expAPIGroup := master.experimental(&config)
	assert.Equal(expAPIGroup.Root, master.apiGroupPrefix+"/"+latest.GroupOrDie("experimental").Group)
	assert.Equal(expAPIGroup.Mapper, latest.GroupOrDie("experimental").RESTMapper)
	assert.Equal(expAPIGroup.Codec, latest.GroupOrDie("experimental").Codec)
	assert.Equal(expAPIGroup.Linker, latest.GroupOrDie("experimental").SelfLinker)
	assert.Equal(expAPIGroup.Version, latest.GroupOrDie("experimental").Version)
}

// TestSecondsSinceSync verifies that proper results are returned
// when checking the time between syncs
func TestSecondsSinceSync(t *testing.T) {
	master, _, assert := setUp(t)
	master.lastSync = time.Date(2015, time.January, 1, 1, 1, 1, 1, time.UTC).Unix()

	// Nano Second. No difference.
	master.clock = &util.FakeClock{Time: time.Date(2015, time.January, 1, 1, 1, 1, 2, time.UTC)}
	assert.Equal(int64(0), master.secondsSinceSync())

	// Second
	master.clock = &util.FakeClock{Time: time.Date(2015, time.January, 1, 1, 1, 2, 1, time.UTC)}
	assert.Equal(int64(1), master.secondsSinceSync())

	// Minute
	master.clock = &util.FakeClock{Time: time.Date(2015, time.January, 1, 1, 2, 1, 1, time.UTC)}
	assert.Equal(int64(60), master.secondsSinceSync())

	// Hour
	master.clock = &util.FakeClock{Time: time.Date(2015, time.January, 1, 2, 1, 1, 1, time.UTC)}
	assert.Equal(int64(3600), master.secondsSinceSync())

	// Day
	master.clock = &util.FakeClock{Time: time.Date(2015, time.January, 2, 1, 1, 1, 1, time.UTC)}
	assert.Equal(int64(86400), master.secondsSinceSync())

	// Month
	master.clock = &util.FakeClock{Time: time.Date(2015, time.February, 1, 1, 1, 1, 1, time.UTC)}
	assert.Equal(int64(2678400), master.secondsSinceSync())

	// Future Month. Should be -Month.
	master.lastSync = time.Date(2015, time.February, 1, 1, 1, 1, 1, time.UTC).Unix()
	master.clock = &util.FakeClock{Time: time.Date(2015, time.January, 1, 1, 1, 1, 1, time.UTC)}
	assert.Equal(int64(-2678400), master.secondsSinceSync())
}

// TestGetNodeAddresses verifies that proper results are returned
// when requesting node addresses.
func TestGetNodeAddresses(t *testing.T) {
	master, _, assert := setUp(t)

	// Fail case (no addresses associated with nodes)
	nodes, _ := master.nodeRegistry.ListNodes(api.NewDefaultContext(), labels.Everything(), fields.Everything())
	addrs, err := master.getNodeAddresses()

	assert.Error(err, "getNodeAddresses should have caused an error as there are no addresses.")
	assert.Equal([]string(nil), addrs)

	// Pass case with External type IP
	nodes, _ = master.nodeRegistry.ListNodes(api.NewDefaultContext(), labels.Everything(), fields.Everything())
	for index := range nodes.Items {
		nodes.Items[index].Status.Addresses = []api.NodeAddress{{Type: api.NodeExternalIP, Address: "127.0.0.1"}}
	}
	addrs, err = master.getNodeAddresses()
	assert.NoError(err, "getNodeAddresses should not have returned an error.")
	assert.Equal([]string{"127.0.0.1", "127.0.0.1"}, addrs)

	// Pass case with LegacyHost type IP
	nodes, _ = master.nodeRegistry.ListNodes(api.NewDefaultContext(), labels.Everything(), fields.Everything())
	for index := range nodes.Items {
		nodes.Items[index].Status.Addresses = []api.NodeAddress{{Type: api.NodeLegacyHostIP, Address: "127.0.0.2"}}
	}
	addrs, err = master.getNodeAddresses()
	assert.NoError(err, "getNodeAddresses failback should not have returned an error.")
	assert.Equal([]string{"127.0.0.2", "127.0.0.2"}, addrs)
}

// TestRefreshTunnels verifies that the function errors when no addresses
// are associated with nodes
func TestRefreshTunnels(t *testing.T) {
	master, _, assert := setUp(t)

	// Fail case (no addresses associated with nodes)
	assert.Error(master.refreshTunnels("test", "/tmp/undefined"))

	// TODO: pass case without needing actual connections?
}

// TestIsTunnelSyncHealthy verifies that the 600 second lag test
// is honored.
func TestIsTunnelSyncHealthy(t *testing.T) {
	master, _, assert := setUp(t)

	// Pass case: 540 second lag
	master.lastSync = time.Date(2015, time.January, 1, 1, 1, 1, 1, time.UTC).Unix()
	master.clock = &util.FakeClock{Time: time.Date(2015, time.January, 1, 1, 9, 1, 1, time.UTC)}
	err := master.IsTunnelSyncHealthy(nil)
	assert.NoError(err, "IsTunnelSyncHealthy() should not have returned an error.")

	// Fail case: 720 second lag
	master.clock = &util.FakeClock{Time: time.Date(2015, time.January, 1, 1, 12, 1, 1, time.UTC)}
	err = master.IsTunnelSyncHealthy(nil)
	assert.Error(err, "IsTunnelSyncHealthy() should have returned an error.")
}

// generateTempFile creates a temporary file path
func generateTempFilePath(prefix string) string {
	tmpPath, _ := filepath.Abs(fmt.Sprintf("%s/%s-%d", os.TempDir(), prefix, time.Now().Unix()))
	return tmpPath
}

// TestGenerateSSHKey verifies that SSH key generation does indeed
// generate keys even with keys already exist.
func TestGenerateSSHKey(t *testing.T) {
	master, _, assert := setUp(t)

	privateKey := generateTempFilePath("private")
	publicKey := generateTempFilePath("public")

	// Make sure we have no test keys laying around
	os.Remove(privateKey)
	os.Remove(publicKey)

	// Pass case: Sunny day case
	err := master.generateSSHKey("unused", privateKey, publicKey)
	assert.NoError(err, "generateSSHKey should not have retuend an error: %s", err)

	// Pass case: PrivateKey exists test case
	os.Remove(publicKey)
	err = master.generateSSHKey("unused", privateKey, publicKey)
	assert.NoError(err, "generateSSHKey should not have retuend an error: %s", err)

	// Pass case: PublicKey exists test case
	os.Remove(privateKey)
	err = master.generateSSHKey("unused", privateKey, publicKey)
	assert.NoError(err, "generateSSHKey should not have retuend an error: %s", err)

	// Make sure we have no test keys laying around
	os.Remove(privateKey)
	os.Remove(publicKey)

	// TODO: testing error cases where the file can not be removed?
}

var versionsToTest = []string{"v1", "v3"}

type Foo struct {
	unversioned.TypeMeta `json:",inline"`
	api.ObjectMeta       `json:"metadata,omitempty" description:"standard object metadata"`

	SomeField  string `json:"someField"`
	OtherField int    `json:"otherField"`
}

type FooList struct {
	unversioned.TypeMeta `json:",inline"`
	unversioned.ListMeta `json:"metadata,omitempty" description:"standard list metadata; see http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#metadata"`

	items []Foo `json:"items"`
}

func initThirdParty(t *testing.T, version string) (*tools.FakeEtcdClient, *httptest.Server, *assert.Assertions) {
	master, _, assert := setUp(t)

	api := &experimental.ThirdPartyResource{
		ObjectMeta: api.ObjectMeta{
			Name: "foo.company.com",
		},
		Versions: []experimental.APIVersion{
			{
				APIGroup: "group",
				Name:     version,
			},
		},
	}
	master.handlerContainer = restful.NewContainer()

	fakeClient := tools.NewFakeEtcdClient(t)
	fakeClient.Machines = []string{"http://machine1:4001", "http://machine2", "http://machine3:4003"}
	master.thirdPartyStorage = etcdstorage.NewEtcdStorage(fakeClient, testapi.Experimental.Codec(), etcdtest.PathPrefix())

	if !assert.NoError(master.InstallThirdPartyAPI(api)) {
		t.FailNow()
	}

	server := httptest.NewServer(master.handlerContainer.ServeMux)
	return fakeClient, server, assert
}

func TestInstallThirdPartyAPIList(t *testing.T) {
	for _, version := range versionsToTest {
		testInstallThirdPartyAPIListVersion(t, version)
	}
}

func testInstallThirdPartyAPIListVersion(t *testing.T, version string) {
	fakeClient, server, assert := initThirdParty(t, version)
	defer server.Close()

	fakeClient.ExpectNotFoundGet(etcdtest.PathPrefix() + "/ThirdPartyResourceData/company.com/foos/default")

	resp, err := http.Get(server.URL + "/apis/company.com/" + version + "/namespaces/default/foos")
	if !assert.NoError(err) {
		return
	}

	defer resp.Body.Close()

	assert.Equal(http.StatusOK, resp.StatusCode)

	data, err := ioutil.ReadAll(resp.Body)
	assert.NoError(err)

	list := FooList{}
	err = json.Unmarshal(data, &list)
	assert.NoError(err)

}

func encodeToThirdParty(name string, obj interface{}) ([]byte, error) {
	serial, err := json.Marshal(obj)
	if err != nil {
		return nil, err
	}
	thirdPartyData := experimental.ThirdPartyResourceData{
		ObjectMeta: api.ObjectMeta{Name: name},
		Data:       serial,
	}
	return testapi.Default.Codec().Encode(&thirdPartyData)
}

func storeToEtcd(fakeClient *tools.FakeEtcdClient, path, name string, obj interface{}) error {
	data, err := encodeToThirdParty(name, obj)
	if err != nil {
		return err
	}
	_, err = fakeClient.Set(etcdtest.PathPrefix()+path, string(data), 0)
	return err
}

func decodeResponse(resp *http.Response, obj interface{}) error {
	defer resp.Body.Close()

	data, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return err
	}

	if err := json.Unmarshal(data, obj); err != nil {
		return err
	}
	return nil
}

func TestInstallThirdPartyAPIGet(t *testing.T) {
	for _, version := range versionsToTest {
		testInstallThirdPartyAPIGetVersion(t, version)
	}
}

func testInstallThirdPartyAPIGetVersion(t *testing.T, version string) {
	fakeClient, server, assert := initThirdParty(t, version)
	defer server.Close()

	expectedObj := Foo{
		ObjectMeta: api.ObjectMeta{
			Name: "test",
		},
		TypeMeta: unversioned.TypeMeta{
			Kind:       "Foo",
			APIVersion: version,
		},
		SomeField:  "test field",
		OtherField: 10,
	}
	if !assert.NoError(storeToEtcd(fakeClient, "/ThirdPartyResourceData/company.com/foos/default/test", "test", expectedObj)) {
		t.FailNow()
		return
	}

	resp, err := http.Get(server.URL + "/apis/company.com/" + version + "/namespaces/default/foos/test")
	if !assert.NoError(err) {
		return
	}

	assert.Equal(http.StatusOK, resp.StatusCode)

	item := Foo{}
	assert.NoError(decodeResponse(resp, &item))
	if !assert.False(reflect.DeepEqual(item, expectedObj)) {
		t.Errorf("expected objects to not be equal:\n%v\nsaw:\n%v\n", expectedObj, item)
	}
	// Fill in data that the apiserver injects
	expectedObj.SelfLink = item.SelfLink
	if !assert.True(reflect.DeepEqual(item, expectedObj)) {
		t.Errorf("expected:\n%#v\nsaw:\n%#v\n", expectedObj, item)
	}
}

func TestInstallThirdPartyAPIPost(t *testing.T) {
	for _, version := range versionsToTest {
		testInstallThirdPartyAPIPostForVersion(t, version)
	}
}

func testInstallThirdPartyAPIPostForVersion(t *testing.T, version string) {
	fakeClient, server, assert := initThirdParty(t, version)
	defer server.Close()

	inputObj := Foo{
		ObjectMeta: api.ObjectMeta{
			Name: "test",
		},
		TypeMeta: unversioned.TypeMeta{
			Kind:       "Foo",
			APIVersion: version,
		},
		SomeField:  "test field",
		OtherField: 10,
	}
	data, err := json.Marshal(inputObj)
	if !assert.NoError(err) {
		return
	}

	resp, err := http.Post(server.URL+"/apis/company.com/"+version+"/namespaces/default/foos", "application/json", bytes.NewBuffer(data))
	if !assert.NoError(err) {
		t.Errorf("unexpected error: %v", err)
		return
	}

	assert.Equal(http.StatusCreated, resp.StatusCode)

	item := Foo{}
	assert.NoError(decodeResponse(resp, &item))

	// fill in fields set by the apiserver
	expectedObj := inputObj
	expectedObj.SelfLink = item.SelfLink
	expectedObj.Namespace = item.Namespace
	expectedObj.UID = item.UID
	expectedObj.CreationTimestamp = item.CreationTimestamp
	if !assert.True(reflect.DeepEqual(item, expectedObj)) {
		t.Errorf("expected:\n%v\nsaw:\n%v\n", expectedObj, item)
	}

	etcdResp, err := fakeClient.Get(etcdtest.PathPrefix()+"/ThirdPartyResourceData/company.com/foos/default/test", false, false)
	if !assert.NoError(err) {
		t.FailNow()
	}

	obj, err := testapi.Experimental.Codec().Decode([]byte(etcdResp.Node.Value))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	thirdPartyObj, ok := obj.(*experimental.ThirdPartyResourceData)
	if !ok {
		t.Errorf("unexpected object: %v", obj)
	}
	item = Foo{}
	assert.NoError(json.Unmarshal(thirdPartyObj.Data, &item))

	if !assert.True(reflect.DeepEqual(item, inputObj)) {
		t.Errorf("expected:\n%v\nsaw:\n%v\n", inputObj, item)
	}
}

func TestInstallThirdPartyAPIDelete(t *testing.T) {
	for _, version := range versionsToTest {
		testInstallThirdPartyAPIDeleteVersion(t, version)
	}
}

func testInstallThirdPartyAPIDeleteVersion(t *testing.T, version string) {
	fakeClient, server, assert := initThirdParty(t, version)
	defer server.Close()

	expectedObj := Foo{
		ObjectMeta: api.ObjectMeta{
			Name:      "test",
			Namespace: "default",
		},
		TypeMeta: unversioned.TypeMeta{
			Kind: "Foo",
		},
		SomeField:  "test field",
		OtherField: 10,
	}
	if !assert.NoError(storeToEtcd(fakeClient, "/ThirdPartyResourceData/company.com/foos/default/test", "test", expectedObj)) {
		t.FailNow()
		return
	}

	resp, err := http.Get(server.URL + "/apis/company.com/" + version + "/namespaces/default/foos/test")
	if !assert.NoError(err) {
		return
	}

	assert.Equal(http.StatusOK, resp.StatusCode)

	item := Foo{}
	assert.NoError(decodeResponse(resp, &item))

	// Fill in fields set by the apiserver
	expectedObj.SelfLink = item.SelfLink
	expectedObj.Namespace = item.Namespace
	if !assert.True(reflect.DeepEqual(item, expectedObj)) {
		t.Errorf("expected:\n%v\nsaw:\n%v\n", expectedObj, item)
	}

	resp, err = httpDelete(server.URL + "/apis/company.com/" + version + "/namespaces/default/foos/test")
	if !assert.NoError(err) {
		return
	}

	assert.Equal(http.StatusOK, resp.StatusCode)

	resp, err = http.Get(server.URL + "/apis/company.com/" + version + "/namespaces/default/foos/test")
	if !assert.NoError(err) {
		return
	}

	assert.Equal(http.StatusNotFound, resp.StatusCode)

	expectDeletedKeys := []string{etcdtest.PathPrefix() + "/ThirdPartyResourceData/company.com/foos/default/test"}

	if !assert.True(reflect.DeepEqual(fakeClient.DeletedKeys, expectDeletedKeys)) {
		t.Errorf("unexpected deleted keys: %v", fakeClient.DeletedKeys)
	}
}

func httpDelete(url string) (*http.Response, error) {
	req, err := http.NewRequest("DELETE", url, nil)
	if err != nil {
		return nil, err
	}
	client := &http.Client{}
	return client.Do(req)
}