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;;;; web-server.test --- HTTP server -*- mode: scheme; coding: utf-8; -*-
;;;;
;;;; Copyright (C) 2019-2020, 2022 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-client)
#:use-module (web client)
#:use-module (web request)
#:use-module (web response)
#:use-module (web server)
#:use-module (web uri)
#:use-module (rnrs bytevectors)
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 match)
#:use-module (ice-9 threads)
#:use-module (srfi srfi-11)
#:use-module (test-suite lib))
(define (handle-request request body)
(match (cons (request-method request)
(split-and-decode-uri-path
(uri-path (request-uri request))))
(('GET) ;root
(values '((content-type . (text/plain (charset . "UTF-8"))))
"Hello, λ world!"))
(('GET "latin1")
(values '((content-type . (text/plain (charset . "ISO-8859-1"))))
"Écrit comme ça en Latin-1."))
(('GET "user-agent")
(values '((content-type . (text/plain)))
(lambda (port)
(display (assq-ref (request-headers request) 'user-agent)
port))))
(('GET "quit")
(values '()
(lambda (port) (pk 'quit) (throw 'quit))))
(('GET _ ...)
(values (build-response #:code 404) "not found"))
(_
(values (build-response #:code 403
#:headers
'((content-type . (application/octet-stream))))
(string->utf8 "forbidden")))))
(define %port-number 8885)
(define %server-base-uri "http://localhost:8885")
(when (provided? 'threads)
;; Run a local publishing server in a separate thread.
(call-with-new-thread
(lambda ()
(run-server handle-request 'http `(#:port ,%port-number)))))
(define-syntax-rule (expect method path code args ...)
(if (provided? 'threads)
(let-values (((response body)
(method (string-append %server-base-uri path)
#:decode-body? #t
#:keep-alive? #f args ...)))
(and (= code (response-code response))
body))
(throw 'unresolved)))
(pass-if "server is listening"
;; First, wait until the server is listening, up to a few seconds.
(let ((socket (socket AF_INET SOCK_STREAM 0)))
(let loop ((n 1))
(define success?
(catch 'system-error
(lambda ()
(format (current-error-port)
"connecting to the server, attempt #~a~%" n)
(connect socket AF_INET INADDR_LOOPBACK %port-number)
(close-port socket)
#t)
(lambda args
(if (and (= ECONNREFUSED (system-error-errno args))
(<= n 15))
#f
(apply throw args)))))
(or success?
(begin
(sleep 1)
(loop (+ n 1)))))))
(pass-if-equal "GET /"
"Hello, λ world!"
(expect http-get "/" 200))
(pass-if-equal "GET /latin1"
"Écrit comme ça en Latin-1."
(expect http-get "/latin1" 200))
(pass-if-equal "GET /user-agent"
"GNU Guile"
(expect http-get "/user-agent" 200
#:headers `((user-agent . "GNU Guile"))))
(pass-if-equal "GET /does-not-exist"
"not found"
(expect http-get "/does-not-exist" 404))
(pass-if-equal "GET with keep-alive"
'("Hello, λ world!"
"Écrit comme ça en Latin-1."
"GNU Guile")
(if (provided? 'threads)
(let ((port (open-socket-for-uri %server-base-uri)))
(define result
(map (lambda (path)
(let-values (((response body)
(http-get (string-append %server-base-uri path)
#:port port
#:keep-alive? #t
#:headers
'((user-agent . "GNU Guile")))))
(and (= (response-code response) 200)
body)))
'("/" "/latin1" "/user-agent")))
(close-port port)
result)
(throw 'unresolved)))
(pass-if-equal "POST /"
"forbidden"
(utf8->string (expect http-post "/" 403)))
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