1 ;;; 8sync --- Asynchronous programming for Guile
2 ;;; Copyright (C) 2016 Christopher Allan Webber <cwebber@dustycloud.org>
3 ;;; Copyright (C) 2021 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
5 ;;; This file is part of 8sync.
7 ;;; 8sync is free software: you can redistribute it and/or modify it
8 ;;; under the terms of the GNU Lesser General Public License as
9 ;;; published by the Free Software Foundation, either version 3 of the
10 ;;; License, or (at your option) any later version.
12 ;;; 8sync is distributed in the hope that it will be useful,
13 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ;;; GNU Lesser General Public License for more details.
17 ;;; You should have received a copy of the GNU Lesser General Public
18 ;;; License along with 8sync. If not, see <http://www.gnu.org/licenses/>.
20 (define-module (tests test-actors)
21 #:use-module (srfi srfi-64)
22 #:use-module (8sync actors)
23 #:use-module (8sync agenda)
24 #:use-module (oop goops)
25 #:use-module (tests utils))
27 (test-begin "test-actors")
30 ;;; Test writing things to here
31 (define %record-out (make-parameter (open-output-string)))
32 (define (~display str)
33 (display str (%record-out)))
34 (define-syntax-rule (~format args ...)
35 (format (%record-out) args ...))
37 ;;; Some test dummy values
38 ;;; ======================
40 (define %fake-hive-id "the-main-hive")
41 ;; Some fake ids for actors
42 (define %fake-emo-id (make-address "emo" %fake-hive-id))
43 (define %fake-proog-id (make-address "proog" %fake-hive-id))
44 (define %fake-hive-actor-id (make-address "hive" %fake-hive-id))
47 (make-message ((simple-message-id-generator))
49 %fake-hive-actor-id ; Bootstrap messages come from the hive
50 'greet-proog `(#:target ,%fake-proog-id)))
58 ;; Make sure our test message serializes and deserializes okay
61 (read-message-from-string
62 (with-output-to-string
63 (lambda () (write-message test-message))))))
64 (test-assert (message? reread-message))
65 ;; Make sure that all the properties are the same from
66 ;; the original message to the re-read message
69 (test-equal (getter test-message) (getter reread-message)))
70 (list message-id message-to message-from message-action message-body
71 message-in-reply-to message-wants-reply
72 (@@ (8sync actors) message-replied))))
75 ;;; Test reply / autoreply
76 ;;; ======================
78 (define-actor <antsy-caller> (<actor>)
79 ((pester-rep (wrap-apply antsy-caller-pester-rep))))
81 (define* (antsy-caller-pester-rep actor message #:key who-to-call)
82 (~display "customer> I'm calling customer service about this!\n")
83 (mbody-receive (first-reply #:key msg)
84 (<-wait who-to-call 'field-call)
85 (if (message-auto-reply? first-reply)
86 (~display "customer> Whaaaaat? I can't believe I got voice mail!\n")
88 (~format "*customer hears*: ~a\n" msg)
89 (mbody-receive (second-reply #:key *auto-reply*)
90 (<-reply-wait first-reply
91 #:msg "Yes, it didn't work, I'm VERY ANGRY!")
92 (if (message-auto-reply? second-reply)
93 (~display "customer> Well then! Harumph.\n")
94 (error "Not an autoreply? What's going on here...")))))))
96 (define-actor <diligent-rep> (<actor>)
97 ((field-call (wrap-apply rep-field-call))))
99 (define (rep-field-call actor message)
100 (~display "good-rep> Hm, another call from a customer...\n")
101 (mbody-receive (reply #:key msg)
102 (<-reply-wait message #:msg "Have you tried turning it off and on?")
103 (~format "*rep hears*: ~a\n" msg)
104 (~display "good-rep> I'm sorry, that's all I can do for you.\n")))
106 (define-actor <lazy-rep> (<actor>)
108 (lambda (actor message)
109 (~display "lazy-rep> I'm not answering that.\n")))))
111 (let* ((hive (make-hive))
112 (customer (bootstrap-actor* hive <antsy-caller> "antsy-caller"))
113 (diligent-rep (bootstrap-actor* hive <diligent-rep> "diligent-rep"))
114 (lazy-rep (bootstrap-actor* hive <lazy-rep> "lazy-rep")))
115 ;; * Playing a tape of a diligent service rep *
116 (parameterize ((%record-out (open-output-string)))
117 (let* ((result (run-hive
119 (list (bootstrap-message hive customer 'pester-rep
120 #:who-to-call diligent-rep))))
121 (displayed-text (get-output-string (%record-out))))
122 (test-equal "customer> I'm calling customer service about this!
123 good-rep> Hm, another call from a customer...
124 *customer hears*: Have you tried turning it off and on?
125 *rep hears*: Yes, it didn't work, I'm VERY ANGRY!
126 good-rep> I'm sorry, that's all I can do for you.
127 customer> Well then! Harumph.\n"
129 ;; * Playing a tape of a lazy service rep *
130 (parameterize ((%record-out (open-output-string)))
131 (let* ((result (run-hive
133 (list (bootstrap-message hive customer 'pester-rep
134 #:who-to-call lazy-rep))))
135 (displayed-text (get-output-string (%record-out))))
136 (test-equal "customer> I'm calling customer service about this!
137 lazy-rep> I'm not answering that.
138 customer> Whaaaaat? I can't believe I got voice mail!\n"
144 (define-actor <cleanly> (<actor>)
145 ((*cleanup* test-call-cleanup)))
147 (define (test-call-cleanup actor message)
148 (speak "Hey, I'm cleanin' up here!\n"))
151 (let ((hive (make-hive)))
152 (bootstrap-actor hive <cleanly>)
154 (test-equal '("Hey, I'm cleanin' up here!\n")
157 ;; won't work if we turn off #:cleanup though
160 (let ((hive (make-hive)))
161 (bootstrap-actor hive <cleanly>)
162 (run-hive hive '() #:cleanup #f))
166 ;; The exploder self-destructs, even though run-hive has cleanup
167 ;; disabled, because it cleans up on self-destruct.
169 (define-actor <exploder> (<actor>)
170 ((explode (lambda (exploder message)
172 (self-destruct exploder)))
173 (*cleanup* (lambda _ (speak "Cleaning up post-explosion\n")))))
176 (let ((hive (make-hive)))
177 (define exploder (bootstrap-actor hive <exploder>))
178 (run-hive hive (list (bootstrap-message hive exploder 'explode))
180 (test-equal '("POOF\n" "Cleaning up post-explosion\n")
183 (define-class <hi-on-init> (<actor>)
184 (name #:init-keyword #:name)
185 (create-friend #:init-value #f
186 #:init-keyword #:create-friend)
187 (actions #:allocation #:each-subclass
188 #:init-thunk (build-actions
189 (*init* hi-on-init-init))))
191 (define (hi-on-init-init actor message)
192 (speak (format #f "Hi! ~a inits now.\n"
193 (slot-ref actor 'name)))
194 (and=> (slot-ref actor 'create-friend)
195 (lambda (friend-name)
196 (create-actor actor <hi-on-init> #:name friend-name))))
199 (let ((hive (make-hive)))
200 (define hi-on-init (bootstrap-actor hive <hi-on-init>
202 #:create-friend "jill"))
204 (test-equal (get-spoken)
205 '("Hi! jack inits now.\n" "Hi! jill inits now.\n")))
208 (test-end "test-actors")