* guix/scripts/processes.scm, tests/processes.scm: New files. * Makefile.am (MODULES): Add the former. (SCM_TESTS): Add the latter. * po/guix/POTFILES.in: Add guix/scripts/processes.scm. * doc/guix.texi (Invoking guix processes): New node. (Invoking guix-daemon): Reference it.
		
			
				
	
	
		
			86 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018 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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(define-module (test-processes)
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  #:use-module (guix scripts processes)
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  #:use-module (guix store)
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  #:use-module (guix derivations)
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  #:use-module (guix packages)
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  #:use-module (guix gexp)
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  #:use-module ((guix utils) #:select (call-with-temporary-directory))
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  #:use-module (gnu packages bootstrap)
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  #:use-module (guix tests)
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  #:use-module (srfi srfi-1)
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  #:use-module (srfi srfi-64)
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  #:use-module (rnrs bytevectors)
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  #:use-module (rnrs io ports)
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  #:use-module (ice-9 match)
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  #:use-module (ice-9 threads))
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(test-begin "processes")
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(test-assert "not a client"
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  (not (find (lambda (session)
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               (= (getpid)
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                  (process-id (daemon-session-client session))))
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             (daemon-sessions))))
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(test-assert "client"
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  (with-store store
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    (let* ((session (find (lambda (session)
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                            (= (getpid)
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                               (process-id (daemon-session-client session))))
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                          (daemon-sessions)))
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           (daemon  (daemon-session-process session)))
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      (and (kill (process-id daemon) 0)
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           (string-suffix? "guix-daemon" (first (process-command daemon)))))))
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(test-assert "client + lock"
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  (with-store store
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    (call-with-temporary-directory
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     (lambda (directory)
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       (let* ((token1  (string-append directory "/token1"))
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              (token2  (string-append directory "/token2"))
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              (exp     #~(begin #$(random-text)
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                                (mkdir #$token1)
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                                (let loop ()
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                                  (unless (file-exists? #$token2)
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                                    (sleep 1)
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                                    (loop)))
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                                (mkdir #$output)))
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              (guile   (package-derivation store %bootstrap-guile))
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              (drv     (run-with-store store
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                         (gexp->derivation "foo" exp
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                                           #:guile-for-build guile)))
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              (thread  (call-with-new-thread
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                        (lambda ()
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                          (build-derivations store (list drv)))))
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              (_       (let loop ()
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                         (unless (file-exists? token1)
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                           (usleep 200)
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                           (loop))))
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              (session (find (lambda (session)
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                               (= (getpid)
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                                  (process-id (daemon-session-client session))))
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                             (daemon-sessions)))
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              (locks   (daemon-session-locks-held (pk 'session session))))
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         (call-with-output-file token2 (const #t))
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         (equal? (list (string-append (derivation->output-path drv) ".lock"))
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                 locks))))))
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(test-end "processes")
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