1 // Copyright 2014 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Tests of internal functions and things with no better homes. 6 7 package http 8 9 import ( 10 "bytes" 11 "internal/testenv" 12 "os/exec" 13 "reflect" 14 "testing" 15 "time" 16 ) 17 18 func init() { 19 shutdownPollInterval = 5 * time.Millisecond 20 } 21 22 func TestForeachHeaderElement(t *testing.T) { 23 tests := []struct { 24 in string 25 want []string 26 }{ 27 {"Foo", []string{"Foo"}}, 28 {" Foo", []string{"Foo"}}, 29 {"Foo ", []string{"Foo"}}, 30 {" Foo ", []string{"Foo"}}, 31 32 {"foo", []string{"foo"}}, 33 {"anY-cAsE", []string{"anY-cAsE"}}, 34 35 {"", nil}, 36 {",,,, , ,, ,,, ,", nil}, 37 38 {" Foo,Bar, Baz,lower,,Quux ", []string{"Foo", "Bar", "Baz", "lower", "Quux"}}, 39 } 40 for _, tt := range tests { 41 var got []string 42 foreachHeaderElement(tt.in, func(v string) { 43 got = append(got, v) 44 }) 45 if !reflect.DeepEqual(got, tt.want) { 46 t.Errorf("foreachHeaderElement(%q) = %q; want %q", tt.in, got, tt.want) 47 } 48 } 49 } 50 51 func TestCleanHost(t *testing.T) { 52 tests := []struct { 53 in, want string 54 }{ 55 {"www.google.com", "www.google.com"}, 56 {"www.google.com foo", "www.google.com"}, 57 {"www.google.com/foo", "www.google.com"}, 58 {" first character is a space", ""}, 59 {"[1::6]:8080", "[1::6]:8080"}, 60 61 // Punycode: 62 {"./foo", "xn--c1ae0ajs.xn--p1ai"}, 63 {"bcher.de", "xn--bcher-kva.de"}, 64 {"bcher.de:8080", "xn--bcher-kva.de:8080"}, 65 // Verify we convert to lowercase before punycode: 66 {"BCHER.de", "xn--bcher-kva.de"}, 67 {"BCHER.de:8080", "xn--bcher-kva.de:8080"}, 68 // Verify we normalize to NFC before punycode: 69 {"gophr.nfc", "xn--gophr-esa.nfc"}, // NFC input; no work needed 70 {"goph\u0065\u0301r.nfd", "xn--gophr-esa.nfd"}, // NFD input 71 } 72 for _, tt := range tests { 73 got := cleanHost(tt.in) 74 if tt.want != got { 75 t.Errorf("cleanHost(%q) = %q, want %q", tt.in, got, tt.want) 76 } 77 } 78 } 79 80 // Test that cmd/go doesn't link in the HTTP server. 81 // 82 // This catches accidental dependencies between the HTTP transport and 83 // server code. 84 func TestCmdGoNoHTTPServer(t *testing.T) { 85 t.Parallel() 86 goBin := testenv.GoToolPath(t) 87 out, err := exec.Command(goBin, "tool", "nm", goBin).CombinedOutput() 88 if err != nil { 89 t.Fatalf("go tool nm: %v: %s", err, out) 90 } 91 wantSym := map[string]bool{ 92 // Verify these exist: (sanity checking this test) 93 "net/http.(*Client).Get": true, 94 "net/http.(*Transport).RoundTrip": true, 95 96 // Verify these don't exist: 97 "net/http.http2Server": false, 98 "net/http.(*Server).Serve": false, 99 "net/http.(*ServeMux).ServeHTTP": false, 100 "net/http.DefaultServeMux": false, 101 } 102 for sym, want := range wantSym { 103 got := bytes.Contains(out, []byte(sym)) 104 if !want && got { 105 t.Errorf("cmd/go unexpectedly links in HTTP server code; found symbol %q in cmd/go", sym) 106 } 107 if want && !got { 108 t.Errorf("expected to find symbol %q in cmd/go; not found", sym) 109 } 110 } 111 } 112
