71 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
| ;;; GNU Guix --- Functional package management for GNU
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| ;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
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| ;;;
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| ;;; This file is part of GNU Guix.
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| ;;;
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| ;;; GNU Guix is free software; you can redistribute it and/or modify it
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| ;;; under the terms of the GNU General Public License as published by
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| ;;; the Free Software Foundation; either version 3 of the License, or (at
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| ;;; your option) any later version.
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| ;;;
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| ;;; GNU Guix is distributed in the hope that it will be useful, but
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| ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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| ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| ;;; GNU General Public License for more details.
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| ;;;
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| ;;; You should have received a copy of the GNU General Public License
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| ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
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| 
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| (define-module (test-workers)
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|   #:use-module (guix workers)
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|   #:use-module (ice-9 threads)
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|   #:use-module (srfi srfi-64))
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| 
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| (test-begin "workers")
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| 
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| (test-equal "enqueue"
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|   4242
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|   (let* ((pool   (make-pool))
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|          (result 0)
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|          (1+!    (let ((lock (make-mutex)))
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|                    (lambda ()
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|                      (with-mutex lock
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|                        (set! result (+ result 1)))))))
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|     (let loop ((i 4242))
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|       (unless (zero? i)
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|         (pool-enqueue! pool 1+!)
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|         (loop (- i 1))))
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|     (let poll ()
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|       (unless (pool-idle? pool)
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|         (pk 'busy result)
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|         (sleep 1)
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|         (poll)))
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|     result))
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| 
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| ;; Same as above, but throw exceptions within the workers and make sure they
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| ;; remain alive.
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| (test-equal "exceptions"
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|   4242
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|   (let* ((pool   (make-pool 10))
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|          (result 0)
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|          (1+!    (let ((lock (make-mutex)))
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|                    (lambda ()
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|                      (with-mutex lock
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|                        (set! result (+ result 1)))))))
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|     (let loop ((i 10))
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|       (unless (zero? i)
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|         (pool-enqueue! pool (lambda ()
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|                               (throw 'whatever)))
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|         (loop (- i 1))))
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|     (let loop ((i 4242))
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|       (unless (zero? i)
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|         (pool-enqueue! pool 1+!)
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|         (loop (- i 1))))
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|     (let poll ()
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|       (unless (pool-idle? pool)
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|         (pk 'busy result)
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|         (sleep 1)
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|         (poll)))
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|     result))
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| 
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| (test-end)
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