test that the index doesn't blow up trivially

howsmyssl.go

@@ -32,10 +32,7 @@ var (
 
 func main() {
  flag.Parse()
- index = template.Must(template.New("index.html").
- Funcs(template.FuncMap{"sentence": sentence}).
- ParseFiles(*tmplDir + "/index.html"))
-
+ index = loadIndex()
  _, httpsPort, err := net.SplitHostPort(*httpsAddr)
  if err != nil {
  log.Fatalf("unable to parse httpsAddr: %s", err)
@@ -226,6 +223,13 @@ func tlsRedirect(vhost, port string, webHandler http.Handler) http.Handler {
  return h
 }
 
+func loadIndex() *template.Template {
+ return template.Must(template.New("index.html").
+ Funcs(template.FuncMap{"sentence": sentence}).
+ ParseFiles(*tmplDir + "/index.html"))
+
+}
+
 func sentence(parts []string) string {
  if len(parts) == 1 {
  return parts[0] + "."

index_test.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+ "testing"
+ "bytes"
+)
+
+func TestDumbNilishIndex(t *testing.T) {
+ tmpl := loadIndex()
+ buf := new(bytes.Buffer)
+ err := tmpl.Execute(buf, &clientInfo{})
+ if err != nil {
+ t.Errorf("index execution blew up with nilish clientInfo: %#v", err)
+ }
+ if len(buf.Bytes()) == 0 {
+ t.Errorf("index execution did not write anything")
+ }
+}