goutils/http/chain_test.go
2025-04-24 15:59:15 +02:00

33 lines
998 B
Go

package webutils_test
import (
"net/http"
"net/http/httptest"
"testing"
webutils "git.mstar.dev/mstar/goutils/http"
)
func TestChainMiddlewares(t *testing.T) {
wrapper1 := webutils.HandlerBuilder(func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
r.Header.Add("X-Foo", "bar")
h.ServeHTTP(w, r)
})
})
wrapper2 := webutils.HandlerBuilder(func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
r.Header.Add("X-Foos", r.Header.Get("X-Foo")+"baz")
h.ServeHTTP(w, r)
})
})
baseHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if x := r.Header.Get("X-Foos"); x != "barbaz" {
t.Fatalf(`Expected header "X-Foos" to be "barbaz", got %v`, x)
}
})
handler := webutils.ChainMiddlewares(baseHandler, wrapper1, wrapper2)
recorder := httptest.NewRecorder()
req := httptest.NewRequest("GET", "/", nil)
handler.ServeHTTP(recorder, req)
}