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checks_test.go
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checks_test.go
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package main
import (
"io"
"io/ioutil"
"log"
"net"
"net/http"
"sync"
"testing"
"time"
)
var checksInitOnce sync.Once
var WebServerHostPort = "" // Will populate on init
// FakeMirrorJsConfig produces a simple respose, with the magic text that check_mirror wants
func FakeMirrorJsConfig(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-Type", "text/plain")
io.WriteString(w, "mocked web server for testing.\nmaster.test-ipv6.com\n")
}
// FakeWebServer starts a web server on localhost, on a random port. Returns the port number.
// As part of this, a handler is set up for /site/config.js .
func FakeWebServer(t *testing.T) string {
if WebServerHostPort == "" {
listner, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
log.Fatal("Listen:", err)
}
WebServerHostPort = listner.Addr().String()
bg := func() {
err2 := http.Serve(listner, nil)
if err2 != nil {
log.Fatal("http.Serve:", err2)
}
}
go bg()
}
return WebServerHostPort
}
// TestWebServer is to make sure we can start the web server.
// I don't want to chase problems with health checks
// if the real problem is I can't start a web server.
func TestWebServer(t *testing.T) {
FakeWebServer(t)
log.Printf("FakeWebServer(): %v\n", WebServerHostPort)
}
// TestCheckHttpDown tests http for 404
func TestCheckHttpDown(t *testing.T) {
initGlobal("t/etc")
FakeWebServer(t)
b, err := checkHTTP(WebServerHostPort)
if b != true {
t.Logf("checkHTTP(%s) good", WebServerHostPort)
} else {
t.Errorf("checkHTTP(%s) error: %v", WebServerHostPort, err)
}
}
// TestCheckHttpUp tests http for 200
func TestCheckHttpUp(t *testing.T) {
initGlobal("t/etc")
FakeWebServer(t)
http.HandleFunc("/", FakeMirrorJsConfig)
b, err := checkHTTP(WebServerHostPort)
if b == true {
t.Logf("checkHTTP(%s) good", WebServerHostPort)
} else {
t.Errorf("checkHTTP(%s) error: %v", WebServerHostPort, err)
}
}
// TestCheckMirror checks /site/config.js for "master.test-ipv6.com" in the content
func TestCheckMirrorHelper(t *testing.T) {
initGlobal("t/etc")
FakeWebServer(t)
http.HandleFunc("/site/config.js", FakeMirrorJsConfig)
b, err := checkMirrorHelper(WebServerHostPort)
if b == true {
t.Logf("checkMirrorHelper(%s) good", WebServerHostPort)
} else {
t.Errorf("checkMirrorHelper(%s) error: %v", WebServerHostPort, err)
}
}
func TestCheckHttpLiteral(t *testing.T) {
url := "http://[2001:470:1:18::119]/ip/"
seconds := 10
timeout := time.Duration(seconds) * time.Second
client := &http.Client{Timeout: timeout}
req, err := http.NewRequest("GET", url, nil)
req.Host = "ipv6.test-ipv6.com"
resp, err := client.Do(req)
if err != nil {
t.Errorf("Failed %s %v", url, err)
return
}
defer resp.Body.Close()
_, _ = ioutil.ReadAll(resp.Body)
t.Logf("Success %v url %s", resp.StatusCode, url)
}
var tableLookupLookupAddressHostPort = []struct {
name string
port string
val string
ok bool
}{
{"a.example.com", "80", "192.0.2.1:80", true},
{"aaaa.example.com", "80", "[2001:db8::1]:80", true},
{"ds.example.com", "80", "[2001:db8::1]:80", true},
{"expand.example.com", "80", "[2001:db8::1]:80", true},
{"192.0.2.1:80", "80", "192.0.2.1:80", true},
{"192.0.2.1:8080", "80", "192.0.2.1:8080", true},
{"[2001:db8::1]:80", "80", "[2001:db8::1]:80", true},
{"[2001:db8::1]:8080", "80", "[2001:db8::1]:8080", true},
{"offhost.example.net", "80", "offhost.example.net:80", false},
{"offhost.example.net:8080", "80", "offhost.example.net:8080", false},
}
func TestLookupLookupAddressHostPort(t *testing.T) {
for _, tt := range tableLookupLookupAddressHostPort {
val, ok := LookupAddressHostPort(tt.name, tt.port)
if val != tt.val || ok != tt.ok {
t.Errorf("LookupAddressHostPort(%v,%v) expected (%v,%v) found (%v,%v)", tt.name, tt.port, tt.val, tt.ok, val, ok)
} else {
t.Logf("LookupAddressHostPort(%v,%v) ok", tt.name, tt.port)
}
}
}