;;;; web-response.test --- HTTP responses       -*- mode: scheme; coding: utf-8; -*-
;;;;
;;;; 	Copyright (C) 2010, 2011 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-response)
  #:use-module (web uri)
  #:use-module (web response)
  #:use-module (rnrs bytevectors)
  #:use-module (srfi srfi-19)
  #:use-module (test-suite lib))


;; The newlines are equivalent to \n. From www.gnu.org.
(define example-1
  "HTTP/1.1 200 OK\r
Date: Wed, 03 Nov 2010 22:27:07 GMT\r
Server: Apache/2.0.55\r
Accept-Ranges: bytes\r
Cache-Control: max-age=543234\r
Expires: Thu, 28 Oct 2010 15:33:13 GMT\r
Vary: Accept-Encoding\r
Content-Encoding: gzip\r
Content-Length: 36\r
Content-Type: text/html; charset=utf-8\r
\r
abcdefghijklmnopqrstuvwxyz0123456789")

(define (responses-equal? r1 body1 r2 body2)
  (and (equal? (response-version r1) (response-version r2))
       (equal? (response-code r1) (response-code r2))
       (equal? (response-reason-phrase r1) (response-reason-phrase r2))
       (equal? (response-headers r1) (response-headers r2))
       (equal? body1 body2)))

(with-test-prefix "example-1"
  (let ((r #f) (body #f))
    (pass-if "read-response"
      (begin
        (set! r (read-response (open-input-string example-1)))
        (response? r)))
    
    (pass-if "read-response-body"
      (begin
        (set! body (read-response-body r))
        #t))
    
    (pass-if (equal? (response-version r) '(1 . 1)))
    
    (pass-if (equal? (response-code r) 200))
    
    (pass-if (equal? (response-reason-phrase r) "OK"))
    
    (pass-if (equal? body 
                     (string->utf8
                      "abcdefghijklmnopqrstuvwxyz0123456789")))
    
    (pass-if "checking all headers"
      (equal?
       (response-headers r)
       `((date . ,(string->date "Wed, 03 Nov 2010 22:27:07 +0000"
                                "~a, ~d ~b ~Y ~H:~M:~S ~z"))
         (server . "Apache/2.0.55")
         (accept-ranges . (bytes))
         (cache-control . ((max-age . 543234)))
         (expires . ,(string->date "Thu, 28 Oct 2010 15:33:13 GMT +0000"
                                   "~a, ~d ~b ~Y ~H:~M:~S ~z"))
         (vary . (accept-encoding))
         (content-encoding . (gzip))
         (content-length . 36)
         (content-type . (text/html (charset . "utf-8"))))))
    
    (pass-if "write then read"
      (call-with-values
          (lambda ()
            (with-input-from-string
                (with-output-to-string
                  (lambda ()
                    (let ((r (write-response r (current-output-port))))
                      (write-response-body r body))))
              (lambda ()
                (let ((r (read-response (current-input-port))))
                  (values r (read-response-body r))))))
        (lambda (r* body*)
          (responses-equal? r body r* body*))))

    (pass-if "by accessor"
      (equal? (response-content-encoding r) '(gzip)))))