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Source file src/net/http/http_test.go

Documentation: net/http

  // Copyright 2014 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  // Tests of internal functions and things with no better homes.
  
  package http
  
  import (
  	"bytes"
  	"internal/testenv"
  	"os/exec"
  	"reflect"
  	"testing"
  	"time"
  )
  
  func init() {
  	shutdownPollInterval = 5 * time.Millisecond
  }
  
  func TestForeachHeaderElement(t *testing.T) {
  	tests := []struct {
  		in   string
  		want []string
  	}{
  		{"Foo", []string{"Foo"}},
  		{" Foo", []string{"Foo"}},
  		{"Foo ", []string{"Foo"}},
  		{" Foo ", []string{"Foo"}},
  
  		{"foo", []string{"foo"}},
  		{"anY-cAsE", []string{"anY-cAsE"}},
  
  		{"", nil},
  		{",,,,  ,  ,,   ,,, ,", nil},
  
  		{" Foo,Bar, Baz,lower,,Quux ", []string{"Foo", "Bar", "Baz", "lower", "Quux"}},
  	}
  	for _, tt := range tests {
  		var got []string
  		foreachHeaderElement(tt.in, func(v string) {
  			got = append(got, v)
  		})
  		if !reflect.DeepEqual(got, tt.want) {
  			t.Errorf("foreachHeaderElement(%q) = %q; want %q", tt.in, got, tt.want)
  		}
  	}
  }
  
  func TestCleanHost(t *testing.T) {
  	tests := []struct {
  		in, want string
  	}{
  		{"www.google.com", "www.google.com"},
  		{"www.google.com foo", "www.google.com"},
  		{"www.google.com/foo", "www.google.com"},
  		{" first character is a space", ""},
  		{"[1::6]:8080", "[1::6]:8080"},
  
  		// Punycode:
  		{"гофер.рф/foo", "xn--c1ae0ajs.xn--p1ai"},
  		{"bücher.de", "xn--bcher-kva.de"},
  		{"bücher.de:8080", "xn--bcher-kva.de:8080"},
  		// Verify we convert to lowercase before punycode:
  		{"BÜCHER.de", "xn--bcher-kva.de"},
  		{"BÜCHER.de:8080", "xn--bcher-kva.de:8080"},
  		// Verify we normalize to NFC before punycode:
  		{"gophér.nfc", "xn--gophr-esa.nfc"},            // NFC input; no work needed
  		{"goph\u0065\u0301r.nfd", "xn--gophr-esa.nfd"}, // NFD input
  	}
  	for _, tt := range tests {
  		got := cleanHost(tt.in)
  		if tt.want != got {
  			t.Errorf("cleanHost(%q) = %q, want %q", tt.in, got, tt.want)
  		}
  	}
  }
  
  // Test that cmd/go doesn't link in the HTTP server.
  //
  // This catches accidental dependencies between the HTTP transport and
  // server code.
  func TestCmdGoNoHTTPServer(t *testing.T) {
  	t.Parallel()
  	goBin := testenv.GoToolPath(t)
  	out, err := exec.Command(goBin, "tool", "nm", goBin).CombinedOutput()
  	if err != nil {
  		t.Fatalf("go tool nm: %v: %s", err, out)
  	}
  	wantSym := map[string]bool{
  		// Verify these exist: (sanity checking this test)
  		"net/http.(*Client).Get":          true,
  		"net/http.(*Transport).RoundTrip": true,
  
  		// Verify these don't exist:
  		"net/http.http2Server":           false,
  		"net/http.(*Server).Serve":       false,
  		"net/http.(*ServeMux).ServeHTTP": false,
  		"net/http.DefaultServeMux":       false,
  	}
  	for sym, want := range wantSym {
  		got := bytes.Contains(out, []byte(sym))
  		if !want && got {
  			t.Errorf("cmd/go unexpectedly links in HTTP server code; found symbol %q in cmd/go", sym)
  		}
  		if want && !got {
  			t.Errorf("expected to find symbol %q in cmd/go; not found", sym)
  		}
  	}
  }
  

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