func TestCatena(t *testing.T) {
c0 := catena.New(handlerWrapper0)
c1 := c0.Append(handlerWrapper1, handlerWrapperA)
cBefore0 := catena.New(handlerWrapper1)
c0 = cBefore0.Merge(c0)
m := http.NewServeMux()
r0 := "/0"
r1 := "/1"
m.Handle(r0, c0.EndFn(endHandler))
m.Handle(r1, c1.EndFn(endHandler))
s := httptest.NewServer(m)
tMap := map[string]string{
"/0": bTxt1 + bTxt0 + bTxtEnd + bTxt0 + bTxt1,
"/1": bTxt0 + bTxt1 + bTxtA + bTxtEnd + bTxtA + bTxt1 + bTxt0,
}
for k, v := range tMap {
rb, err := getReqBody(s.URL + k)
if err != nil {
t.Error(err)
}
want := v
got := rb
if got != want {
t.Errorf("Body = %v, want %v", got, want)
}
}
}
func TestNilEnd(t *testing.T) {
c0 := catena.New(emptyHandlerWrapper)
m := http.NewServeMux()
r0 := "/0"
r1 := "/1"
m.Handle(r0, c0.End(nil))
m.Handle(r1, c0.EndFn(nil))
s := httptest.NewServer(m)
tMap := map[string]int{
"/0": http.StatusOK,
"/1": http.StatusOK,
}
for k, v := range tMap {
rs, err := getReqStatus(s.URL + k)
if err != nil {
t.Error(err)
}
want := v
got := rs
if got != want {
t.Errorf("Status Code = %v, want %v", got, want)
}
}
}
func Example() {
// Each wrapper writes either "0", "1", or "A" to the response body before
// and after ServeHTTP() is called.
// endHandler writes "_END_" to the response body and returns.
cat00 := catena.New(handlerWrapper0, handlerWrapper0)
cat00A1 := cat00.Append(handlerWrapperA, handlerWrapper1)
cat100A1 := catena.New(handlerWrapper1)
cat100A1 = cat100A1.Merge(cat00A1)
mux := http.NewServeMux()
mux.Handle("/path_implies_body/00_End", cat00.EndFn(endHandler))
mux.Handle("/path_implies_body/00A1_End", cat00A1.EndFn(endHandler))
mux.Handle("/path_implies_body/100A1_End", cat100A1.EndFn(endHandler))
server := httptest.NewServer(mux)
rBody0, err := getReqBody(server.URL + "/path_implies_body/00_End")
if err != nil {
fmt.Println(err)
}
rBody1, err := getReqBody(server.URL + "/path_implies_body/00A1_End")
if err != nil {
fmt.Println(err)
}
rBody2, err := getReqBody(server.URL + "/path_implies_body/100A1_End")
if err != nil {
fmt.Println(err)
}
fmt.Println("Catena 0 Body:", rBody0)
fmt.Println("Catena 1 Body:", rBody1)
fmt.Println("Catena 2 Body:", rBody2)
// Output:
// Catena 0 Body: 00_END_00
// Catena 1 Body: 00A1_END_1A00
// Catena 2 Body: 100A1_END_1A001
}
func BenchmarkCatena10(b *testing.B) {
c0 := catena.New(emptyHandlerWrapper,
emptyHandlerWrapper, emptyHandlerWrapper, emptyHandlerWrapper,
emptyHandlerWrapper, emptyHandlerWrapper, emptyHandlerWrapper,
emptyHandlerWrapper, emptyHandlerWrapper, emptyHandlerWrapper)
m := http.NewServeMux()
m.Handle("/", c0.EndFn(nilHandler))
s := httptest.NewServer(m)
b.ResetTimer()
for n := 0; n < b.N; n++ {
re0, err := http.Get(s.URL + "/")
if err != nil {
b.Error(err)
}
_ = re0.Body.Close()
}
}