75617e8760
Log when we actually run probes and event when they fail. Print the output of a probe, too.
100 lines
2.7 KiB
Go
100 lines
2.7 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 http
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import (
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"net"
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"net/http"
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"net/http/httptest"
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"net/url"
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"strconv"
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"strings"
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"testing"
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"time"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/probe"
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)
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func TestFormatURL(t *testing.T) {
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testCases := []struct {
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host string
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port int
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path string
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result string
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}{
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{"localhost", 93, "", "http://localhost:93"},
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{"localhost", 93, "/path", "http://localhost:93/path"},
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}
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for _, test := range testCases {
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url := formatURL(test.host, test.port, test.path)
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if url != test.result {
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t.Errorf("Expected %s, got %s", test.result, url)
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}
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}
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}
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func TestHTTPProbeChecker(t *testing.T) {
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handleReq := func(s int, body string) func(w http.ResponseWriter) {
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return func(w http.ResponseWriter) {
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w.WriteHeader(s)
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w.Write([]byte(body))
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}
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}
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prober := New()
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testCases := []struct {
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handler func(w http.ResponseWriter)
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health probe.Result
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body string
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}{
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// The probe will be filled in below. This is primarily testing that an HTTP GET happens.
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{handleReq(http.StatusOK, "ok body"), probe.Success, "ok body"},
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{handleReq(-1, "fail body"), probe.Failure, "fail body"},
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{func(w http.ResponseWriter) { time.Sleep(3 * time.Second) }, probe.Failure, "use of closed network connection"},
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}
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for _, test := range testCases {
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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test.handler(w)
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}))
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u, err := url.Parse(server.URL)
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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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host, port, err := net.SplitHostPort(u.Host)
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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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p, err := strconv.Atoi(port)
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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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health, output, err := prober.Probe(host, p, "", 1*time.Second)
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if test.health == probe.Unknown && err == nil {
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t.Errorf("Expected error")
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}
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if test.health != probe.Unknown && err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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if health != test.health {
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t.Errorf("Expected %v, got %v", test.health, health)
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}
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if !strings.Contains(output, test.body) {
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t.Errorf("Expected %v, got %v", test.body, output)
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}
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}
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}
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