1 // Copyright 2011 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 package http 6 7 import ( 8 "bytes" 9 "runtime" 10 "testing" 11 "time" 12 ) 13 14 var headerWriteTests = []struct { 15 h Header 16 exclude map[string]bool 17 expected string 18 }{ 19 {Header{}, nil, ""}, 20 { 21 Header{ 22 "Content-Type": {"text/html; charset=UTF-8"}, 23 "Content-Length": {"0"}, 24 }, 25 nil, 26 "Content-Length: 0\r\nContent-Type: text/html; charset=UTF-8\r\n", 27 }, 28 { 29 Header{ 30 "Content-Length": {"0", "1", "2"}, 31 }, 32 nil, 33 "Content-Length: 0\r\nContent-Length: 1\r\nContent-Length: 2\r\n", 34 }, 35 { 36 Header{ 37 "Expires": {"-1"}, 38 "Content-Length": {"0"}, 39 "Content-Encoding": {"gzip"}, 40 }, 41 map[string]bool{"Content-Length": true}, 42 "Content-Encoding: gzip\r\nExpires: -1\r\n", 43 }, 44 { 45 Header{ 46 "Expires": {"-1"}, 47 "Content-Length": {"0", "1", "2"}, 48 "Content-Encoding": {"gzip"}, 49 }, 50 map[string]bool{"Content-Length": true}, 51 "Content-Encoding: gzip\r\nExpires: -1\r\n", 52 }, 53 { 54 Header{ 55 "Expires": {"-1"}, 56 "Content-Length": {"0"}, 57 "Content-Encoding": {"gzip"}, 58 }, 59 map[string]bool{"Content-Length": true, "Expires": true, "Content-Encoding": true}, 60 "", 61 }, 62 { 63 Header{ 64 "Nil": nil, 65 "Empty": {}, 66 "Blank": {""}, 67 "Double-Blank": {"", ""}, 68 }, 69 nil, 70 "Blank: \r\nDouble-Blank: \r\nDouble-Blank: \r\n", 71 }, 72 // Tests header sorting when over the insertion sort threshold side: 73 { 74 Header{ 75 "k1": {"1a", "1b"}, 76 "k2": {"2a", "2b"}, 77 "k3": {"3a", "3b"}, 78 "k4": {"4a", "4b"}, 79 "k5": {"5a", "5b"}, 80 "k6": {"6a", "6b"}, 81 "k7": {"7a", "7b"}, 82 "k8": {"8a", "8b"}, 83 "k9": {"9a", "9b"}, 84 }, 85 map[string]bool{"k5": true}, 86 "k1: 1a\r\nk1: 1b\r\nk2: 2a\r\nk2: 2b\r\nk3: 3a\r\nk3: 3b\r\n" + 87 "k4: 4a\r\nk4: 4b\r\nk6: 6a\r\nk6: 6b\r\n" + 88 "k7: 7a\r\nk7: 7b\r\nk8: 8a\r\nk8: 8b\r\nk9: 9a\r\nk9: 9b\r\n", 89 }, 90 } 91 92 func TestHeaderWrite(t *testing.T) { 93 var buf bytes.Buffer 94 for i, test := range headerWriteTests { 95 test.h.WriteSubset(&buf, test.exclude) 96 if buf.String() != test.expected { 97 t.Errorf("#%d:\n got: %q\nwant: %q", i, buf.String(), test.expected) 98 } 99 buf.Reset() 100 } 101 } 102 103 var parseTimeTests = []struct { 104 h Header 105 err bool 106 }{ 107 {Header{"Date": {""}}, true}, 108 {Header{"Date": {"invalid"}}, true}, 109 {Header{"Date": {"1994-11-06T08:49:37Z00:00"}}, true}, 110 {Header{"Date": {"Sun, 06 Nov 1994 08:49:37 GMT"}}, false}, 111 {Header{"Date": {"Sunday, 06-Nov-94 08:49:37 GMT"}}, false}, 112 {Header{"Date": {"Sun Nov 6 08:49:37 1994"}}, false}, 113 } 114 115 func TestParseTime(t *testing.T) { 116 expect := time.Date(1994, 11, 6, 8, 49, 37, 0, time.UTC) 117 for i, test := range parseTimeTests { 118 d, err := ParseTime(test.h.Get("Date")) 119 if err != nil { 120 if !test.err { 121 t.Errorf("#%d:\n got err: %v", i, err) 122 } 123 continue 124 } 125 if test.err { 126 t.Errorf("#%d:\n should err", i) 127 continue 128 } 129 if !expect.Equal(d) { 130 t.Errorf("#%d:\n got: %v\nwant: %v", i, d, expect) 131 } 132 } 133 } 134 135 type hasTokenTest struct { 136 header string 137 token string 138 want bool 139 } 140 141 var hasTokenTests = []hasTokenTest{ 142 {"", "", false}, 143 {"", "foo", false}, 144 {"foo", "foo", true}, 145 {"foo ", "foo", true}, 146 {" foo", "foo", true}, 147 {" foo ", "foo", true}, 148 {"foo,bar", "foo", true}, 149 {"bar,foo", "foo", true}, 150 {"bar, foo", "foo", true}, 151 {"bar,foo, baz", "foo", true}, 152 {"bar, foo,baz", "foo", true}, 153 {"bar,foo, baz", "foo", true}, 154 {"bar, foo, baz", "foo", true}, 155 {"FOO", "foo", true}, 156 {"FOO ", "foo", true}, 157 {" FOO", "foo", true}, 158 {" FOO ", "foo", true}, 159 {"FOO,BAR", "foo", true}, 160 {"BAR,FOO", "foo", true}, 161 {"BAR, FOO", "foo", true}, 162 {"BAR,FOO, baz", "foo", true}, 163 {"BAR, FOO,BAZ", "foo", true}, 164 {"BAR,FOO, BAZ", "foo", true}, 165 {"BAR, FOO, BAZ", "foo", true}, 166 {"foobar", "foo", false}, 167 {"barfoo ", "foo", false}, 168 } 169 170 func TestHasToken(t *testing.T) { 171 for _, tt := range hasTokenTests { 172 if hasToken(tt.header, tt.token) != tt.want { 173 t.Errorf("hasToken(%q, %q) = %v; want %v", tt.header, tt.token, !tt.want, tt.want) 174 } 175 } 176 } 177 178 var testHeader = Header{ 179 "Content-Length": {"123"}, 180 "Content-Type": {"text/plain"}, 181 "Date": {"some date at some time Z"}, 182 "Server": {DefaultUserAgent}, 183 } 184 185 var buf bytes.Buffer 186 187 func BenchmarkHeaderWriteSubset(b *testing.B) { 188 b.ReportAllocs() 189 for i := 0; i < b.N; i++ { 190 buf.Reset() 191 testHeader.WriteSubset(&buf, nil) 192 } 193 } 194 195 func TestHeaderWriteSubsetAllocs(t *testing.T) { 196 if testing.Short() { 197 t.Skip("skipping alloc test in short mode") 198 } 199 if raceEnabled { 200 t.Skip("skipping test under race detector") 201 } 202 if runtime.GOMAXPROCS(0) > 1 { 203 t.Skip("skipping; GOMAXPROCS>1") 204 } 205 n := testing.AllocsPerRun(100, func() { 206 buf.Reset() 207 testHeader.WriteSubset(&buf, nil) 208 }) 209 if n > 0 { 210 t.Errorf("allocs = %g; want 0", n) 211 } 212 } 213
