mirror of https://github.com/k3s-io/k3s
129 lines
3.2 KiB
Go
129 lines
3.2 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 apiserver
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/health"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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)
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type fakeHttpGet struct {
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err error
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resp *http.Response
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url string
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}
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func (f *fakeHttpGet) Get(url string) (*http.Response, error) {
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f.url = url
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return f.resp, f.err
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}
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func makeFake(data string, statusCode int, err error) *fakeHttpGet {
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return &fakeHttpGet{
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err: err,
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resp: &http.Response{
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Body: ioutil.NopCloser(bytes.NewBufferString(data)),
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StatusCode: statusCode,
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},
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}
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}
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func TestValidate(t *testing.T) {
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tests := []struct {
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err error
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data string
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expectedStatus health.Status
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code int
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expectErr bool
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}{
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{fmt.Errorf("test error"), "", health.Unknown, 500 /*ignored*/, true},
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{nil, "foo", health.Healthy, 200, false},
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{nil, "foo", health.Unhealthy, 500, true},
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}
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s := Server{Addr: "foo.com", Port: 8080, Path: "/healthz"}
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for _, test := range tests {
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fake := makeFake(test.data, test.code, test.err)
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status, data, err := s.check(fake)
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expect := fmt.Sprintf("http://%s:%d/healthz", s.Addr, s.Port)
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if fake.url != expect {
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t.Errorf("expected %s, got %s", expect, fake.url)
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}
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if test.expectErr && err == nil {
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t.Errorf("unexpected non-error")
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}
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if !test.expectErr && err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if data != test.data {
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t.Errorf("expected empty string, got %s", status)
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}
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if status != test.expectedStatus {
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t.Errorf("expected %s, got %s", test.expectedStatus.String(), status.String())
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}
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}
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}
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func TestValidator(t *testing.T) {
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fake := makeFake("foo", 200, nil)
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validator, err := makeTestValidator(map[string]string{
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"foo": "foo.com:80",
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"bar": "bar.com:8080",
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}, fake)
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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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testServer := httptest.NewServer(validator)
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defer testServer.Close()
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resp, err := http.Get(testServer.URL + "/validatez")
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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 resp.StatusCode != http.StatusOK {
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t.Errorf("unexpected response: %v", resp.StatusCode)
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}
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defer resp.Body.Close()
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data, err := ioutil.ReadAll(resp.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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status := []ServerStatus{}
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err = json.Unmarshal(data, &status)
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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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components := util.StringSet{}
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for _, s := range status {
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components.Insert(s.Component)
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}
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if len(status) != 2 || !components.Has("foo") || !components.Has("bar") {
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t.Errorf("unexpected status: %#v", status)
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}
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}
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