mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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518 lines
14 KiB
Go
518 lines
14 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 client
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import (
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"net/url"
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"reflect"
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"testing"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/version"
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)
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// TODO: Move this to a common place, it's needed in multiple tests.
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var apiPath = "/api/v1beta1"
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func makeURL(suffix string) string {
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return apiPath + suffix
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}
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func TestListEmptyPods(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "GET", Path: "/pods"},
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Response: Response{StatusCode: 200, Body: api.PodList{}},
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}
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podList, err := c.Setup().ListPods(labels.Everything())
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c.Validate(t, podList, err)
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}
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func TestListPods(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "GET", Path: "/pods"},
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Response: Response{StatusCode: 200,
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Body: api.PodList{
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Items: []api.Pod{
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{
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CurrentState: api.PodState{
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Status: "Foobar",
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},
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Labels: map[string]string{
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"foo": "bar",
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"name": "baz",
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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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receivedPodList, err := c.Setup().ListPods(labels.Everything())
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c.Validate(t, receivedPodList, err)
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}
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func validateLabels(a, b string) bool {
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sA, _ := labels.ParseSelector(a)
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sB, _ := labels.ParseSelector(b)
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return sA.String() == sB.String()
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}
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func TestListPodsLabels(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "GET", Path: "/pods", Query: url.Values{"labels": []string{"foo=bar,name=baz"}}},
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Response: Response{
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StatusCode: 200,
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Body: api.PodList{
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Items: []api.Pod{
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{
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CurrentState: api.PodState{
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Status: "Foobar",
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},
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Labels: map[string]string{
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"foo": "bar",
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"name": "baz",
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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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c.Setup()
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c.QueryValidator["labels"] = validateLabels
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selector := labels.Set{"foo": "bar", "name": "baz"}.AsSelector()
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receivedPodList, err := c.ListPods(selector)
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c.Validate(t, receivedPodList, err)
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}
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func TestGetPod(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "GET", Path: "/pods/foo"},
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Response: Response{
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StatusCode: 200,
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Body: api.Pod{
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CurrentState: api.PodState{
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Status: "Foobar",
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},
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Labels: map[string]string{
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"foo": "bar",
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"name": "baz",
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},
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},
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},
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}
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receivedPod, err := c.Setup().GetPod("foo")
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c.Validate(t, receivedPod, err)
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}
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func TestDeletePod(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "DELETE", Path: "/pods/foo"},
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Response: Response{StatusCode: 200},
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}
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err := c.Setup().DeletePod("foo")
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c.Validate(t, nil, err)
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}
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func TestCreatePod(t *testing.T) {
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requestPod := api.Pod{
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CurrentState: api.PodState{
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Status: "Foobar",
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},
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Labels: map[string]string{
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"foo": "bar",
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"name": "baz",
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},
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}
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c := &testClient{
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Request: testRequest{Method: "POST", Path: "/pods", Body: requestPod},
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Response: Response{
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StatusCode: 200,
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Body: requestPod,
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},
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}
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receivedPod, err := c.Setup().CreatePod(requestPod)
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c.Validate(t, receivedPod, err)
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}
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func TestUpdatePod(t *testing.T) {
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requestPod := api.Pod{
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JSONBase: api.JSONBase{ID: "foo", ResourceVersion: 1},
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CurrentState: api.PodState{
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Status: "Foobar",
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},
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Labels: map[string]string{
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"foo": "bar",
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"name": "baz",
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},
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}
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c := &testClient{
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Request: testRequest{Method: "PUT", Path: "/pods/foo"},
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Response: Response{StatusCode: 200, Body: requestPod},
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}
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receivedPod, err := c.Setup().UpdatePod(requestPod)
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c.Validate(t, receivedPod, err)
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}
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func TestListControllers(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "GET", Path: "/replicationControllers"},
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Response: Response{StatusCode: 200,
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Body: api.ReplicationControllerList{
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Items: []api.ReplicationController{
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{
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JSONBase: api.JSONBase{ID: "foo"},
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DesiredState: api.ReplicationControllerState{
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Replicas: 2,
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},
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Labels: map[string]string{
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"foo": "bar",
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"name": "baz",
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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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receivedControllerList, err := c.Setup().ListReplicationControllers(labels.Everything())
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c.Validate(t, receivedControllerList, err)
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}
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func TestGetController(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "GET", Path: "/replicationControllers/foo"},
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Response: Response{
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StatusCode: 200,
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Body: api.ReplicationController{
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JSONBase: api.JSONBase{ID: "foo"},
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DesiredState: api.ReplicationControllerState{
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Replicas: 2,
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},
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Labels: map[string]string{
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"foo": "bar",
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"name": "baz",
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},
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},
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},
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}
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receivedController, err := c.Setup().GetReplicationController("foo")
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c.Validate(t, receivedController, err)
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}
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func TestUpdateController(t *testing.T) {
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requestController := api.ReplicationController{
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JSONBase: api.JSONBase{ID: "foo", ResourceVersion: 1},
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}
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c := &testClient{
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Request: testRequest{Method: "PUT", Path: "/replicationControllers/foo"},
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Response: Response{
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StatusCode: 200,
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Body: api.ReplicationController{
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JSONBase: api.JSONBase{ID: "foo"},
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DesiredState: api.ReplicationControllerState{
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Replicas: 2,
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},
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Labels: map[string]string{
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"foo": "bar",
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"name": "baz",
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},
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},
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},
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}
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receivedController, err := c.Setup().UpdateReplicationController(requestController)
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c.Validate(t, receivedController, err)
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}
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func TestDeleteController(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "DELETE", Path: "/replicationControllers/foo"},
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Response: Response{StatusCode: 200},
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}
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err := c.Setup().DeleteReplicationController("foo")
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c.Validate(t, nil, err)
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}
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func TestCreateController(t *testing.T) {
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requestController := api.ReplicationController{
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JSONBase: api.JSONBase{ID: "foo"},
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}
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c := &testClient{
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Request: testRequest{Method: "POST", Path: "/replicationControllers", Body: requestController},
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Response: Response{
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StatusCode: 200,
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Body: api.ReplicationController{
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JSONBase: api.JSONBase{ID: "foo"},
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DesiredState: api.ReplicationControllerState{
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Replicas: 2,
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},
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Labels: map[string]string{
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"foo": "bar",
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"name": "baz",
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},
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},
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},
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}
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receivedController, err := c.Setup().CreateReplicationController(requestController)
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c.Validate(t, receivedController, err)
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}
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func body(obj interface{}, raw *string) *string {
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if obj != nil {
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bs, _ := api.Encode(obj)
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body := string(bs)
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return &body
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}
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return raw
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}
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type testRequest struct {
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Method string
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Path string
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Header string
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Query url.Values
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Body interface{}
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RawBody *string
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}
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type Response struct {
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StatusCode int
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Body interface{}
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RawBody *string
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}
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type testClient struct {
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*Client
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Request testRequest
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Response Response
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Error bool
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server *httptest.Server
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handler *util.FakeHandler
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Target interface{}
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// For query args, an optional function to validate the contents
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// useful when the contents can change but still be correct.
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// Maps from query arg key to validator.
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// If no validator is present, string equality is used.
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QueryValidator map[string]func(string, string) bool
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}
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func (c *testClient) Setup() *testClient {
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c.handler = &util.FakeHandler{
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StatusCode: c.Response.StatusCode,
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}
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if responseBody := body(c.Response.Body, c.Response.RawBody); responseBody != nil {
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c.handler.ResponseBody = *responseBody
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}
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c.server = httptest.NewServer(c.handler)
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if c.Client == nil {
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c.Client = New("", nil)
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}
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c.Client.host = c.server.URL
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c.QueryValidator = map[string]func(string, string) bool{}
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return c
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}
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func (c *testClient) Validate(t *testing.T, received interface{}, err error) {
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defer c.server.Close()
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if c.Error {
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if err == nil {
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t.Errorf("error expected for %#v, got none", c.Request)
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}
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return
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}
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if err != nil {
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t.Errorf("no error expected for %#v, got: %v", c.Request, err)
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}
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requestBody := body(c.Request.Body, c.Request.RawBody)
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actualQuery := c.handler.RequestReceived.URL.Query()
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// We check the query manually, so blank it out so that FakeHandler.ValidateRequest
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// won't check it.
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c.handler.RequestReceived.URL.RawQuery = ""
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c.handler.ValidateRequest(t, makeURL(c.Request.Path), c.Request.Method, requestBody)
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for key, values := range c.Request.Query {
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validator, ok := c.QueryValidator[key]
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if !ok {
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validator = func(a, b string) bool { return a == b }
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}
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observed := actualQuery.Get(key)
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if !validator(values[0], observed) {
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t.Errorf("Unexpected query arg for key: %s. Expected %s, Received %s", key, values[0], observed)
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}
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}
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if c.Request.Header != "" {
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if c.handler.RequestReceived.Header.Get(c.Request.Header) == "" {
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t.Errorf("header %q not found in request %#v", c.Request.Header, c.handler.RequestReceived)
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}
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}
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if expected, received := requestBody, c.handler.RequestBody; expected != nil && *expected != received {
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t.Errorf("bad body for request %#v: expected %s, got %s", c.Request, *expected, received)
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}
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if c.Response.Body != nil && !reflect.DeepEqual(c.Response.Body, received) {
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t.Errorf("bad response for request %#v: expected %s, got %s", c.Request, c.Response.Body, received)
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}
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}
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func TestGetService(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "GET", Path: "/services/1"},
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Response: Response{StatusCode: 200, Body: &api.Service{JSONBase: api.JSONBase{ID: "service-1"}}},
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}
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response, err := c.Setup().GetService("1")
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c.Validate(t, &response, err)
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}
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func TestCreateService(t *testing.T) {
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c := (&testClient{
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Request: testRequest{Method: "POST", Path: "/services", Body: &api.Service{JSONBase: api.JSONBase{ID: "service-1"}}},
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Response: Response{StatusCode: 200, Body: &api.Service{JSONBase: api.JSONBase{ID: "service-1"}}},
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}).Setup()
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response, err := c.Setup().CreateService(api.Service{JSONBase: api.JSONBase{ID: "service-1"}})
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c.Validate(t, &response, err)
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}
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func TestUpdateService(t *testing.T) {
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svc := api.Service{JSONBase: api.JSONBase{ID: "service-1", ResourceVersion: 1}}
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c := &testClient{
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Request: testRequest{Method: "PUT", Path: "/services/service-1", Body: &svc},
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Response: Response{StatusCode: 200, Body: &svc},
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}
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response, err := c.Setup().UpdateService(svc)
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c.Validate(t, &response, err)
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}
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func TestDeleteService(t *testing.T) {
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c := &testClient{
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Request: testRequest{Method: "DELETE", Path: "/services/1"},
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Response: Response{StatusCode: 200},
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}
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err := c.Setup().DeleteService("1")
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c.Validate(t, nil, err)
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}
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func TestMakeRequest(t *testing.T) {
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testClients := []testClient{
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{Request: testRequest{Method: "GET", Path: "/good"}, Response: Response{StatusCode: 200}},
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{Request: testRequest{Method: "GET", Path: "/bad%ZZ"}, Error: true},
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{Client: New("", &AuthInfo{"foo", "bar"}), Request: testRequest{Method: "GET", Path: "/auth", Header: "Authorization"}, Response: Response{StatusCode: 200}},
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{Client: &Client{httpClient: http.DefaultClient}, Request: testRequest{Method: "GET", Path: "/nocertificate"}, Error: true},
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{Request: testRequest{Method: "GET", Path: "/error"}, Response: Response{StatusCode: 500}, Error: true},
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{Request: testRequest{Method: "POST", Path: "/faildecode"}, Response: Response{StatusCode: 200, Body: "aaaaa"}, Target: &struct{}{}, Error: true},
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{Request: testRequest{Method: "GET", Path: "/failread"}, Response: Response{StatusCode: 200, Body: "aaaaa"}, Target: &struct{}{}, Error: true},
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}
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for _, c := range testClients {
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response, err := c.Setup().rawRequest(c.Request.Method, c.Request.Path[1:], nil, c.Target)
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c.Validate(t, response, err)
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}
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}
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func TestDoRequestAccepted(t *testing.T) {
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status := api.Status{Status: api.StatusWorking}
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expectedBody, _ := api.Encode(status)
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fakeHandler := util.FakeHandler{
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StatusCode: 202,
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ResponseBody: string(expectedBody),
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T: t,
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}
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testServer := httptest.NewServer(&fakeHandler)
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request, _ := http.NewRequest("GET", testServer.URL+"/foo/bar", nil)
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auth := AuthInfo{User: "user", Password: "pass"}
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c := New(testServer.URL, &auth)
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body, err := c.doRequest(request)
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if request.Header["Authorization"] == nil {
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t.Errorf("Request is missing authorization header: %#v", *request)
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}
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if err == nil {
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t.Error("Unexpected non-error")
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return
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}
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se, ok := err.(*StatusErr)
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if !ok {
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t.Errorf("Unexpected kind of error: %#v", err)
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return
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}
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if !reflect.DeepEqual(se.Status, status) {
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t.Errorf("Unexpected status: %#v", se.Status)
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}
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if body != nil {
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t.Errorf("Expected nil body, but saw: '%s'", body)
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}
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fakeHandler.ValidateRequest(t, "/foo/bar", "GET", nil)
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}
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func TestDoRequestAcceptedSuccess(t *testing.T) {
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status := api.Status{Status: api.StatusSuccess}
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expectedBody, _ := api.Encode(status)
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fakeHandler := util.FakeHandler{
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StatusCode: 202,
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ResponseBody: string(expectedBody),
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T: t,
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}
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testServer := httptest.NewServer(&fakeHandler)
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request, _ := http.NewRequest("GET", testServer.URL+"/foo/bar", nil)
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auth := AuthInfo{User: "user", Password: "pass"}
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c := New(testServer.URL, &auth)
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body, err := c.doRequest(request)
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if request.Header["Authorization"] == nil {
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t.Errorf("Request is missing authorization header: %#v", *request)
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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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}
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statusOut, err := api.Decode(body)
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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 !reflect.DeepEqual(&status, statusOut) {
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t.Errorf("Unexpected mis-match. Expected %#v. Saw %#v", status, statusOut)
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}
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fakeHandler.ValidateRequest(t, "/foo/bar", "GET", nil)
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}
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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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client := New(server.URL, nil)
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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) {
|
|
t.Errorf("expected %v, got %v", e, a)
|
|
}
|
|
}
|