mirror of https://github.com/k3s-io/k3s
113 lines
3.6 KiB
Go
113 lines
3.6 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors 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 unversioned_test
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import (
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"bytes"
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"encoding/json"
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"io"
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"io/ioutil"
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"net/http"
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"testing"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/testapi"
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"k8s.io/kubernetes/pkg/client/unversioned"
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"k8s.io/kubernetes/pkg/client/unversioned/fake"
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)
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func objBody(object interface{}) io.ReadCloser {
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output, err := json.MarshalIndent(object, "", "")
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if err != nil {
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panic(err)
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}
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return ioutil.NopCloser(bytes.NewReader([]byte(output)))
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}
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func TestNegotiateVersion(t *testing.T) {
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tests := []struct {
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name, version, expectedVersion string
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serverVersions []string
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clientVersions []string
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config *unversioned.Config
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expectErr bool
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}{
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{
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name: "server supports client default",
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version: "version1",
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config: &unversioned.Config{},
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serverVersions: []string{"version1", testapi.Default.Version()},
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clientVersions: []string{"version1", testapi.Default.Version()},
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expectedVersion: "version1",
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expectErr: false,
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},
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{
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name: "server falls back to client supported",
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version: testapi.Default.Version(),
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config: &unversioned.Config{},
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serverVersions: []string{"version1"},
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clientVersions: []string{"version1", testapi.Default.Version()},
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expectedVersion: "version1",
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expectErr: false,
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},
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{
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name: "explicit version supported",
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version: "",
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config: &unversioned.Config{Version: testapi.Default.Version()},
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serverVersions: []string{"version1", testapi.Default.Version()},
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clientVersions: []string{"version1", testapi.Default.Version()},
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expectedVersion: testapi.Default.Version(),
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expectErr: false,
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},
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{
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name: "explicit version not supported",
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version: "",
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config: &unversioned.Config{Version: testapi.Default.Version()},
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serverVersions: []string{"version1"},
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clientVersions: []string{"version1", testapi.Default.Version()},
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expectedVersion: "",
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expectErr: true,
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},
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}
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codec := testapi.Default.Codec()
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for _, test := range tests {
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fakeClient := &fake.RESTClient{
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Codec: codec,
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Resp: &http.Response{
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StatusCode: 200,
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Body: objBody(&api.APIVersions{Versions: test.serverVersions}),
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},
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Client: fake.HTTPClientFunc(func(req *http.Request) (*http.Response, error) {
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return &http.Response{StatusCode: 200, Body: objBody(&api.APIVersions{Versions: test.serverVersions})}, nil
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}),
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}
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c := unversioned.NewOrDie(test.config)
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c.Client = fakeClient.Client
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response, err := unversioned.NegotiateVersion(c, test.config, test.version, test.clientVersions)
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if err == nil && test.expectErr {
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t.Errorf("expected error, got nil for [%s].", test.name)
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}
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if err != nil && !test.expectErr {
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t.Errorf("unexpected error for [%s]: %v.", test.name, err)
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}
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if response != test.expectedVersion {
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t.Errorf("expected version %s, got %s.", test.expectedVersion, response)
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}
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}
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}
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