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tests: http: Allow responses to specify a path.

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* guix/tests/http.scm (%local-url): Add #:path parameter and honor it.
(call-with-http-server)[responses]: Add extra clause with 'path'.
[bad-request]: New variable.
[server-body]: Handle three-element clauses.
Wrap 'run-server' call in 'parameterize'.
This commit is contained in:
Ludovic Courtès 2023-05-17 12:00:36 +02:00
parent 58da6b297c
commit 09526da78f
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GPG key ID: 090B11993D9AEBB5
1 changed files with 40 additions and 6 deletions
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46
guix/tests/http.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014-2017, 2019, 2023 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
;;;
;;; This file is part of GNU Guix.
@ -21,7 +21,10 @@
#:use-module (ice-9 threads)
#:use-module (web server)
#:use-module (web server http)
#:use-module (web request)
#:use-module (web response)
#:use-module (web uri)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (ice-9 match)
#:export (with-http-server
@ -60,12 +63,13 @@ actually listened at (in case %http-server-port was 0)."
(strerror err))
(values #f #f)))))
(define* (%local-url #:optional (port (%http-server-port)))
(define* (%local-url #:optional (port (%http-server-port))
#:key (path "/foo/bar"))
(when (= port 0)
(error "no web server is running!"))
;; URL to use for 'home-page' tests.
(string-append "http://localhost:" (number->string port)
"/foo/bar"))
path))
(define* (call-with-http-server responses+data thunk)
"Call THUNK with an HTTP server running and returning RESPONSES+DATA on HTTP
@ -81,6 +85,18 @@ The port listened at will be set for the dynamic extent of THUNK."
(((? integer? code) data)
(list (build-response #:code code
#:reason-phrase "Such is life")
data))
(((? string? path) (? integer? code) data)
(list path
(build-response #:code code
#:headers
(if (string? data)
'()
'((content-type ;binary data
. (application/octet-stream
(charset
. "ISO-8859-1")))))
#:reason-phrase "Such is life")
data)))
responses+data))
@ -116,19 +132,37 @@ The port listened at will be set for the dynamic extent of THUNK."
http-write
(@@ (web server http) http-close))
(define bad-request
(build-response #:code 400 #:reason-phrase "Unexpected request"))
(define (server-body)
(define (handle request body)
(match responses
(((response data) rest ...)
(set! responses rest)
(values response data))))
(values response data))
((((? string?) response data) ...)
(let ((path (uri-path (request-uri request))))
(match (assoc path responses)
(#f (values bad-request ""))
((_ response data)
(if (eq? 'GET (request-method request))
;; Note: Use 'assoc-remove!' to remove only the first entry
;; with PATH as its key. That way, RESPONSES can contain
;; the same path several times.
(let ((rest (assoc-remove! responses path)))
(set! responses rest)
(values response data))
(values bad-request ""))))))))
(let-values (((socket port) (open-http-server-socket)))
(set! %http-real-server-port port)
(catch 'quit
(lambda ()
(run-server handle stub-http-server
`(#:socket ,socket)))
;; Let HANDLE refer to '%http-server-port' if needed.
(parameterize ((%http-server-port %http-real-server-port))
(run-server handle stub-http-server
`(#:socket ,socket))))
(lambda _
(close-port socket)))))