github.com/google/go-safeweb@v0.0.0-20231219055052-64d8cfc90fbb/safehttp/server_test.go (about)

     1  // Copyright 2020 Google LLC
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //	https://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package safehttp
    16  
    17  import (
    18  	"bufio"
    19  	"bytes"
    20  	"net/http"
    21  	"net/http/httputil"
    22  	"testing"
    23  	"time"
    24  
    25  	"github.com/google/go-safeweb/internal/requesttesting"
    26  	"github.com/google/safehtml"
    27  )
    28  
    29  func TestServer(t *testing.T) {
    30  	l := requesttesting.NewFakeListener()
    31  	defer l.Close()
    32  
    33  	mux := NewServeMuxConfig(nil).Mux()
    34  	mux.Handle("/", "GET", HandlerFunc(func(w ResponseWriter, r *IncomingRequest) Result {
    35  		return w.Write(safehtml.HTMLEscaped("response"))
    36  	}))
    37  	rtim := 10 * time.Second
    38  	s := Server{
    39  		Mux:         mux,
    40  		ReadTimeout: rtim,
    41  	}
    42  	go s.Serve(l)
    43  	defer s.Close()
    44  
    45  	req := []byte("GET / HTTP/1.1\r\nHost: pkg.go.dev\r\n\r\n")
    46  	if err := l.SendRequest(req); err != nil {
    47  		t.Fatalf("Sending request: %v", err)
    48  	}
    49  
    50  	respBuf := make([]byte, 1024)
    51  	n, err := l.ReadResponse(respBuf)
    52  	if err != nil {
    53  		t.Fatalf("Reading response: %v", err)
    54  	}
    55  	respBuf = respBuf[:n]
    56  	resp, err := http.ReadResponse(bufio.NewReader(bytes.NewReader(respBuf)), &http.Request{})
    57  	resp.Header.Del("Date") // This will change every time
    58  
    59  	got, err := httputil.DumpResponse(resp, true)
    60  	if err != nil {
    61  		t.Errorf("Cannot dump Respnse: %v", err)
    62  	}
    63  	want := []byte("HTTP/1.1 200 OK\r\nContent-Length: 8\r\n" +
    64  		"Content-Type: text/html; charset=utf-8\r\n\r\nresponse")
    65  
    66  	if !bytes.Equal(got, want) {
    67  		t.Errorf("Respnse: got %q, want %q", got, want)
    68  	}
    69  	if s.srv.ReadTimeout != rtim {
    70  		t.Errorf("Builder did not set ReadTimeout: got %v want %v", s.srv.ReadTimeout, rtim)
    71  	}
    72  	if s.srv.WriteTimeout != 5*time.Second {
    73  		t.Errorf("Builder did not set WriteTimeout: got %v want %v", s.srv.WriteTimeout, 5*time.Second)
    74  	}
    75  }