File size: 22,754 Bytes
3dcad1f |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 |
;;;; web-http.test --- HTTP library -*- mode: scheme; coding: utf-8; -*-
;;;;
;;;; Copyright (C) 2010-2011, 2014-2017 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
(define-module (test-suite web-http)
#:use-module (web uri)
#:use-module (web http)
#:use-module (rnrs bytevectors)
#:use-module (rnrs io ports)
#:use-module (ice-9 regex)
#:use-module (ice-9 control)
#:use-module (srfi srfi-19)
#:use-module (test-suite lib))
(define-syntax pass-if-expected-exception
(syntax-rules ()
((_ name exception-predicate? exp)
(pass-if name
(with-exception-handler
(lambda (exn)
(if (exception-predicate? exn)
#t
(error "unexpected exception" exn)))
(lambda ()
exp
#f)
#:unwind? #t)))))
(define-syntax pass-if-only-parse
(syntax-rules ()
((_ sym str val)
(pass-if (format #f "~a: ~s -> ~s" 'sym str val)
(and (equal? (parse-header 'sym str)
val)
(valid-header? 'sym val))))))
(define-syntax-rule (pass-if-reparse sym val)
(pass-if-equal (format #f "~a: ~s reparse" 'sym val) val
(let ((str (call-with-output-string
(lambda (port)
(write-header 'sym val port)))))
(call-with-values (lambda () (read-header (open-input-string str)))
(lambda (sym* val*)
(unless (eq? 'sym sym*) (error "unexpected header"))
val*)))))
(define-syntax pass-if-parse
(syntax-rules ()
((_ sym str val)
(begin
(pass-if-only-parse sym str val)
(pass-if-reparse sym val)))))
(define-syntax pass-if-round-trip
(syntax-rules ()
((_ str)
(pass-if-equal (format #f "~s round trip" str)
str
(call-with-output-string
(lambda (port)
(call-with-values
(lambda () (read-header (open-input-string str)))
(lambda (sym val)
(write-header sym val port)))))))))
(define-syntax pass-if-any-error
(syntax-rules ()
((_ sym str)
(pass-if (format #f "~a: ~s -> any error" 'sym str)
(% (catch #t
(lambda ()
(parse-header 'sym str)
(abort (lambda () (error "expected exception"))))
(lambda (k . args)
#t))
(lambda (k thunk)
(thunk)))))))
(define-syntax pass-if-parse-error
(syntax-rules ()
((_ sym str expected-component)
(pass-if (format #f "~a: ~s -> ~a error" 'sym str 'expected-component)
(catch 'bad-header
(lambda ()
(parse-header 'sym str)
(error "expected exception" 'expected-component))
(lambda (k component arg)
(if (or (not 'expected-component)
(eq? 'expected-component component))
#t
(error "unexpected exception" component arg))))))))
(define-syntax pass-if-read-request-line
(syntax-rules ()
((_ str expected-method expected-uri expected-version)
(pass-if str
(equal? (call-with-values
(lambda ()
(read-request-line (open-input-string
(string-append str "\r\n"))))
list)
(list 'expected-method
expected-uri
'expected-version))))))
(define-syntax pass-if-write-request-line
(syntax-rules ()
((_ expected-str method uri version)
(pass-if expected-str
(equal? (string-append expected-str "\r\n")
(call-with-output-string
(lambda (port)
(write-request-line 'method uri 'version port))))))))
(define-syntax pass-if-read-response-line
(syntax-rules ()
((_ str expected-version expected-code expected-phrase)
(pass-if str
(equal? (call-with-values
(lambda ()
(read-response-line (open-input-string
(string-append str "\r\n"))))
list)
(list 'expected-version
expected-code
expected-phrase))))))
(define-syntax pass-if-write-response-line
(syntax-rules ()
((_ expected-str version code phrase)
(pass-if expected-str
(equal? (string-append expected-str "\r\n")
(call-with-output-string
(lambda (port)
(write-response-line 'version code phrase port))))))))
(with-test-prefix "read-request-line"
(pass-if-read-request-line "GET / HTTP/1.1"
GET
(build-uri-reference
#:path "/")
(1 . 1))
(pass-if-read-request-line "GET http://www.w3.org/pub/WWW/TheProject.html HTTP/1.1"
GET
(build-uri-reference
#:scheme 'http
#:host "www.w3.org"
#:path "/pub/WWW/TheProject.html")
(1 . 1))
(pass-if-read-request-line "GET /pub/WWW/TheProject.html HTTP/1.1"
GET
(build-uri-reference
#:path "/pub/WWW/TheProject.html")
(1 . 1))
(pass-if-read-request-line "HEAD /etc/hosts?foo=bar HTTP/1.1"
HEAD
(build-uri-reference
#:path "/etc/hosts"
#:query "foo=bar")
(1 . 1)))
(with-test-prefix "write-request-line"
(pass-if-write-request-line "GET / HTTP/1.1"
GET
(build-uri-reference
#:path "/")
(1 . 1))
;;; FIXME: Test fails due to scheme, host always being removed.
;;; However, it should be supported to request these be present, and
;;; that is possible with absolute/relative URI support.
;; (pass-if-write-request-line "GET http://www.w3.org/pub/WWW/TheProject.html HTTP/1.1"
;; GET
;; (build-uri 'http
;; #:host "www.w3.org"
;; #:path "/pub/WWW/TheProject.html")
;; (1 . 1))
(pass-if-write-request-line "GET /pub/WWW/TheProject.html HTTP/1.1"
GET
(build-uri-reference
#:path "/pub/WWW/TheProject.html")
(1 . 1))
(pass-if-write-request-line "GET /?foo HTTP/1.1"
GET
(build-uri 'http #:query "foo")
(1 . 1))
(pass-if-write-request-line "HEAD /etc/hosts?foo=bar HTTP/1.1"
HEAD
(build-uri-reference
#:path "/etc/hosts"
#:query "foo=bar")
(1 . 1)))
(with-test-prefix "read-response-line"
(pass-if-exception "missing CR/LF"
`(bad-header . "")
(call-with-input-string "HTTP/1.1 200 Almost okay"
(lambda (port)
(read-response-line port))))
(pass-if-read-response-line "HTTP/1.0 404 Not Found"
(1 . 0) 404 "Not Found")
(pass-if-read-response-line "HTTP/1.1 200 OK"
(1 . 1) 200 "OK")
;; Empty reason phrases are valid; see <http://bugs.gnu.org/22273>.
(pass-if-read-response-line "HTTP/1.1 302 "
(1 . 1) 302 ""))
(with-test-prefix "write-response-line"
(pass-if-write-response-line "HTTP/1.0 404 Not Found"
(1 . 0) 404 "Not Found")
(pass-if-write-response-line "HTTP/1.1 200 OK"
(1 . 1) 200 "OK"))
(with-test-prefix "general headers"
(pass-if-parse cache-control "no-transform" '(no-transform))
(pass-if-parse cache-control "no-transform,foo" '(no-transform foo))
(pass-if-parse cache-control "no-cache" '(no-cache))
(pass-if-parse cache-control "no-cache=\"Authorization, Date\""
'((no-cache . (authorization date))))
(pass-if-parse cache-control "private=\"Foo\""
'((private . (foo))))
(pass-if-parse cache-control "no-cache,max-age=10"
'(no-cache (max-age . 10)))
(pass-if-parse cache-control "max-stale" '(max-stale))
(pass-if-parse cache-control "max-stale=10" '((max-stale . 10)))
(pass-if-round-trip "Cache-Control: acme-cache-extension\r\n")
(pass-if-round-trip "Cache-Control: acme-cache-extension=20\r\n")
(pass-if-round-trip "Cache-Control: acme-cache-extension=100 quux\r\n")
(pass-if-round-trip "Cache-Control: acme-cache-extension=\"100, quux\"\r\n")
(pass-if-parse connection "close" '(close))
(pass-if-parse connection "Content-Encoding" '(content-encoding))
(pass-if-parse date "Tue, 15 Nov 1994 08:12:31 GMT"
(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse date "Tue, 15 Nov 1994 16:12:31 +0800"
(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse date "Wed, 7 Sep 2011 11:25:00 GMT"
(string->date "Wed, 7 Sep 2011 11:25:00 +0000"
"~a,~e ~b ~Y ~H:~M:~S ~z"))
;; This is a non-conforming date (lack of leading zero for the hours)
;; that some HTTP servers provide. See <http://bugs.gnu.org/23421>.
(pass-if-parse date "Sun, 06 Nov 1994 8:49:37 GMT"
(string->date "Sun, 6 Nov 1994 08:49:37 +0000"
"~a,~e ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse date "Sun, 6 Nov 1994 8:49:37 GMT"
(string->date "Sun, 6 Nov 1994 08:49:37 +0000"
"~a,~e ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse-error date "Tue, 15 Nov 1994 08:12:31 EST" date)
(pass-if-any-error date "Tue, 15 Qux 1994 08:12:31 EST")
(pass-if-parse pragma "no-cache" '(no-cache))
(pass-if-parse pragma "no-cache, foo" '(no-cache foo))
(pass-if-parse trailer "foo, bar" '(foo bar))
(pass-if-parse trailer "connection, bar" '(connection bar))
(pass-if-parse transfer-encoding "foo, chunked" '((foo) (chunked)))
(pass-if-parse upgrade "qux" '("qux"))
(pass-if-parse via "xyzzy" '("xyzzy"))
(pass-if-parse warning "123 foo \"core breach imminent\""
'((123 "foo" "core breach imminent" #f)))
(pass-if-parse
warning
"123 foo \"core breach imminent\" \"Tue, 15 Nov 1994 08:12:31 GMT\""
`((123 "foo" "core breach imminent"
,(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z")))))
(with-test-prefix "entity headers"
(pass-if-parse allow "foo, bar" '(foo bar))
(pass-if-parse content-disposition "form-data; name=\"file\"; filename=\"q.go\""
'(form-data (name . "file") (filename . "q.go")))
(pass-if-parse content-encoding "qux, baz" '(qux baz))
(pass-if-parse content-language "qux, baz" '("qux" "baz"))
(pass-if-parse content-length "100" 100)
(pass-if-parse content-length "0" 0)
(pass-if-parse content-length "010" 10)
(pass-if-parse content-location "http://foo/"
(build-uri 'http #:host "foo" #:path "/"))
(pass-if-parse content-location "//foo/"
(build-uri-reference #:host "foo" #:path "/"))
(pass-if-parse content-location "/etc/foo"
(build-uri-reference #:path "/etc/foo"))
(pass-if-parse content-location "foo"
(build-uri-reference #:path "foo"))
(pass-if-parse content-range "bytes 10-20/*" '(bytes (10 . 20) *))
(pass-if-parse content-range "bytes */*" '(bytes * *))
(pass-if-parse content-range "bytes */30" '(bytes * 30))
(pass-if-parse content-type "foo/bar" '(foo/bar))
(pass-if-parse content-type "foo/bar; baz=qux" '(foo/bar (baz . "qux")))
(pass-if-parse expires "Tue, 15 Nov 1994 08:12:31 GMT"
(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse last-modified "Tue, 15 Nov 1994 08:12:31 GMT"
(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z")))
(with-test-prefix "request headers"
(pass-if-parse accept "text/*;q=0.3, text/html;q=0.7, text/html;level=1"
'((text/* (q . 300))
(text/html (q . 700))
(text/html (level . "1"))))
(pass-if-parse accept-charset "iso-8859-5, unicode-1-1;q=0.8"
'((1000 . "iso-8859-5") (800 . "unicode-1-1")))
(pass-if-parse accept-encoding "gzip;q=1.0, identity; q=0.5, *;q=0"
'((1000 . "gzip")
(500 . "identity")
(0 . "*")))
(pass-if-parse accept-language "da, en-gb;q=0.8, en;q=0.7"
'((1000 . "da") (800 . "en-gb") (700 . "en")))
;; Allow nonstandard .2 to mean 0.2
(pass-if-parse accept-language "en-gb;q=.2" '((200 . "en-gb")))
(pass-if-parse authorization "Basic foooo" '(basic . "foooo"))
(pass-if-parse authorization "Digest foooo" '(digest foooo))
(pass-if-parse authorization "Digest foo=bar,baz=qux"
'(digest (foo . "bar") (baz . "qux")))
(pass-if-parse authorization "basic foooo" '(basic . "foooo"))
(pass-if-parse authorization "digest foooo" '(digest foooo))
(pass-if-parse authorization "digest foo=bar,baz=qux"
'(digest (foo . "bar") (baz . "qux")))
(pass-if-round-trip "Authorization: Basic foooo\r\n")
(pass-if-round-trip "Authorization: Bearer token\r\n")
(pass-if-round-trip "Authorization: Digest foooo\r\n")
(pass-if-round-trip "Authorization: Digest foo=bar, baz=qux\r\n")
(pass-if-parse expect "100-continue, foo" '((100-continue) (foo)))
(pass-if-parse from "foo@bar" "foo@bar")
(pass-if-parse host "qux" '("qux" . #f))
(pass-if-parse host "qux:80" '("qux" . 80))
(pass-if-parse host "[2001:db8::1]" '("2001:db8::1" . #f))
(pass-if-parse host "[2001:db8::1]:80" '("2001:db8::1" . 80))
(pass-if-parse host "[::ffff:192.0.2.1]" '("::ffff:192.0.2.1" . #f))
(pass-if-round-trip "Host: [2001:db8::1]\r\n")
(pass-if-parse if-match "\"xyzzy\", W/\"qux\""
'(("xyzzy" . #t) ("qux" . #f)))
(pass-if-parse if-match "*" '*)
(pass-if-parse if-modified-since "Tue, 15 Nov 1994 08:12:31 GMT"
(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse if-none-match "\"xyzzy\", W/\"qux\""
'(("xyzzy" . #t) ("qux" . #f)))
(pass-if-parse if-none-match "xyzzy, W/\"qux\""
'(("xyzzy" . #t) ("qux" . #f)))
(pass-if-parse if-none-match "*" '*)
(pass-if-parse if-range "\"foo\"" '("foo" . #t))
(pass-if-parse if-range "Tue, 15 Nov 1994 08:12:31 GMT"
(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse if-unmodified-since "Tue, 15 Nov 1994 08:12:31 GMT"
(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse max-forwards "10" 10)
(pass-if-parse max-forwards "00" 0)
(pass-if-parse proxy-authorization "Basic foooo" '(basic . "foooo"))
(pass-if-parse proxy-authorization "Digest foooo" '(digest foooo))
(pass-if-parse proxy-authorization "Digest foo=bar,baz=qux"
'(digest (foo . "bar") (baz . "qux")))
(pass-if-parse range "bytes=10-20" '(bytes (10 . 20)))
(pass-if-parse range "bytes=10-" '(bytes (10 . #f)))
(pass-if-parse range "bytes=-20" '(bytes (#f . 20)))
(pass-if-parse range "bytes=-20,-30" '(bytes (#f . 20) (#f . 30)))
(pass-if-parse referer "http://foo/bar?baz"
(build-uri 'http #:host "foo" #:path "/bar" #:query "baz"))
(pass-if-parse referer "//foo/bar?baz"
(build-uri-reference #:host "foo"
#:path "/bar"
#:query "baz"))
(pass-if-parse referer "/etc/foo"
(build-uri-reference #:path "/etc/foo"))
(pass-if-parse referer "foo"
(build-uri-reference #:path "foo"))
(pass-if-parse te "trailers" '((trailers)))
(pass-if-parse te "trailers,foo" '((trailers) (foo)))
(pass-if-parse user-agent "guile" "guile"))
;; Response headers
;;
(with-test-prefix "response headers"
(pass-if-parse accept-ranges "foo,bar" '(foo bar))
(pass-if-parse age "30" 30)
(pass-if-parse etag "\"foo\"" '("foo" . #t))
(pass-if-parse etag "W/\"foo\"" '("foo" . #f))
(pass-if-parse etag "foo" '("foo" . #t))
(pass-if-parse location "http://other-place"
(build-uri 'http #:host "other-place"))
(pass-if-only-parse location "#foo"
(build-uri-reference #:fragment "foo"))
(pass-if-only-parse location "/#foo"
(build-uri-reference #:path "/" #:fragment "foo"))
(pass-if-parse location "/foo"
(build-uri-reference #:path "/foo"))
(pass-if-parse location "//server/foo"
(build-uri-reference #:host "server" #:path "/foo"))
(pass-if-parse proxy-authenticate "Basic realm=\"guile\""
'((basic (realm . "guile"))))
(pass-if-parse retry-after "Tue, 15 Nov 1994 08:12:31 GMT"
(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse retry-after "20" 20)
(pass-if-parse server "guile!" "guile!")
(pass-if-parse vary "*" '*)
(pass-if-parse vary "foo, bar" '(foo bar))
(pass-if-parse www-authenticate "Basic realm=\"guile\""
'((basic (realm . "guile")))))
(with-test-prefix "chunked encoding"
(let* ((s "5\r\nFirst\r\nA\r\n line\n Sec\r\n8\r\nond line\r\n0\r\n\r\n")
(p (make-chunked-input-port (open-input-string s))))
(pass-if-equal
"First line\n Second line"
(get-string-all p))
(pass-if (port-eof? (make-chunked-input-port (open-input-string "0\r\n"))))
(pass-if-equal "reads chunks without buffering"
;; Make sure the chunked input port does not read more than what
;; the client asked. See <http://bugs.gnu.org/19939>
`("First " "chunk." "Second " "chunk."
(1 1 1 6 6 1 1
1 1 1 7 6 1 1))
(let* ((str "C\r\nFirst chunk.\r\nD\r\nSecond chunk.\r\n")
(requests '())
(read! (let ((port (open-input-string str)))
(lambda (bv index count)
(set! requests (cons count requests))
(let ((n (get-bytevector-n! port bv index
count)))
(if (eof-object? n) 0 n)))))
(input (make-custom-binary-input-port "chunky" read!
#f #f #f))
(port (make-chunked-input-port input)))
(setvbuf input 'none)
(setvbuf port 'none)
(list (utf8->string (get-bytevector-n port 6))
(utf8->string (get-bytevector-n port 6))
(utf8->string (get-bytevector-n port 7))
(utf8->string (get-bytevector-n port 6))
(reverse requests))))
(pass-if-equal "reads across chunk boundaries"
;; Same, but read across chunk boundaries.
`("First " "chunk.Second " "chunk."
(1 1 1 6 6 1 1
1 1 1 7 6 1 1))
(let* ((str "C\r\nFirst chunk.\r\nD\r\nSecond chunk.\r\n")
(requests '())
(read! (let ((port (open-input-string str)))
(lambda (bv index count)
(set! requests (cons count requests))
(let ((n (get-bytevector-n! port bv index
count)))
(if (eof-object? n) 0 n)))))
(input (make-custom-binary-input-port "chunky" read!
#f #f #f))
(port (make-chunked-input-port input)))
(setvbuf input 'none)
(setvbuf port 'none)
(list (utf8->string (get-bytevector-n port 6))
(utf8->string (get-bytevector-n port 13))
(utf8->string (get-bytevector-n port 6))
(reverse requests)))))
(pass-if-equal "EOF instead of chunk header"
"Only chunk."
;; Omit the second chunk header, leading to a premature EOF. This
;; used to cause 'read-chunk-header' to throw to wrong-type-arg.
;; See the backtrace at
;; <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19976#5>.
(let* ((str "B\r\nOnly chunk.")
(port (make-chunked-input-port (open-input-string str))))
(get-string-all port)))
(pass-if-expected-exception "Exception on premature chunk end"
chunked-input-ended-prematurely-error?
(let* ((str "b\r\nFirst chunk\r\nc\r\nSecond chun")
(port (make-chunked-input-port (open-input-string str))))
(get-string-all port)))
(pass-if-equal
(call-with-output-string
(lambda (out-raw)
(let ((out-chunked (make-chunked-output-port out-raw
#:keep-alive? #t)))
(display "First chunk" out-chunked)
(force-output out-chunked)
(display "Second chunk" out-chunked)
(force-output out-chunked)
(display "Third chunk" out-chunked)
(close-port out-chunked))))
"b\r\nFirst chunk\r\nc\r\nSecond chunk\r\nb\r\nThird chunk\r\n0\r\n\r\n"))
|