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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix 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 General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-utils)
#:use-module ((guix config) #:select (%gzip))
#:use-module (guix utils)
#:use-module ((guix store) #:select (%store-prefix store-path-package-name))
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-64)
#:use-module (rnrs bytevectors)
#:use-module (rnrs io ports)
#:use-module (ice-9 match))
(define temp-file
(string-append "t-utils-" (number->string (getpid))))
(test-begin "utils")
(test-assert "bytevector->base16-string->bytevector"
(every (lambda (bv)
(equal? (base16-string->bytevector
(bytevector->base16-string bv))
bv))
(map string->utf8 '("" "f" "fo" "foo" "foob" "fooba" "foobar"))))
(test-assert "gnu-triplet->nix-system"
(let ((samples '(("i586-gnu0.3" "i686-gnu")
("x86_64-unknown-linux-gnu" "x86_64-linux")
("i386-pc-linux-gnu" "i686-linux")
("x86_64-unknown-freebsd8.2" "x86_64-freebsd")
("x86_64-apple-darwin10.8.0" "x86_64-darwin")
("i686-pc-cygwin" "i686-cygwin"))))
(let-values (((gnu nix) (unzip2 samples)))
(every (lambda (gnu nix)
(equal? nix (gnu-triplet->nix-system gnu)))
gnu nix))))
(test-assert "package-name->name+version"
(every (match-lambda
((name version)
(let*-values (((full-name)
(if version
(string-append name "-" version)
name))
((name* version*)
(package-name->name+version full-name)))
(and (equal? name* name)
(equal? version* version)))))
'(("foo" "0.9.1b")
("foo-bar" "1.0")
("foo-bar2" #f)
("guile" "2.0.6.65-134c9") ; as produced by `git-version-gen'
("nixpkgs" "1.0pre22125_a28fe19")
("gtk2" "2.38.0"))))
(test-assert "guile-version>? 1.8"
(guile-version>? "1.8"))
(test-assert "guile-version>? 10.5"
(not (guile-version>? "10.5")))
(test-equal "string-tokenize*"
'(("foo")
("foo" "bar" "baz")
("foo" "bar" "")
("foo" "bar" "baz"))
(list (string-tokenize* "foo" ":")
(string-tokenize* "foo;bar;baz" ";")
(string-tokenize* "foo!bar!" "!")
(string-tokenize* "foo+-+bar+-+baz" "+-+")))
(test-equal "string-replace-substring"
'("foo BAR! baz"
"/gnu/store/chbouib"
"")
(list (string-replace-substring "foo bar baz" "bar" "BAR!")
(string-replace-substring "/nix/store/chbouib" "/nix/" "/gnu/")
(string-replace-substring "" "foo" "bar")))
(test-equal "fold2, 1 list"
(list (reverse (iota 5))
(map - (reverse (iota 5))))
(call-with-values
(lambda ()
(fold2 (lambda (i r1 r2)
(values (cons i r1)
(cons (- i) r2)))
'() '()
(iota 5)))
list))
(test-equal "fold2, 2 lists"
(list (reverse '((a . 0) (b . 1) (c . 2) (d . 3)))
(reverse '((a . 0) (b . -1) (c . -2) (d . -3))))
(call-with-values
(lambda ()
(fold2 (lambda (k v r1 r2)
(values (alist-cons k v r1)
(alist-cons k (- v) r2)))
'() '()
'(a b c d)
'(0 1 2 3)))
list))
(test-assert "filtered-port, file"
(let* ((file (search-path %load-path "guix.scm"))
(input (open-file file "r0b")))
(let*-values (((compressed pids1)
(filtered-port `(,%gzip "-c" "--fast") input))
((decompressed pids2)
(filtered-port `(,%gzip "-d") compressed)))
(and (every (compose zero? cdr waitpid)
(append pids1 pids2))
(equal? (get-bytevector-all decompressed)
(call-with-input-file file get-bytevector-all))))))
(test-assert "filtered-port, non-file"
(let ((data (call-with-input-file (search-path %load-path "guix.scm")
get-bytevector-all)))
(let*-values (((compressed pids1)
(filtered-port `(,%gzip "-c" "--fast")
(open-bytevector-input-port data)))
((decompressed pids2)
(filtered-port `(,%gzip "-d") compressed)))
(and (pk (every (compose zero? cdr waitpid)
(append pids1 pids2)))
(equal? (get-bytevector-all decompressed) data)))))
(test-assert "filtered-port, does not exist"
(let* ((file (search-path %load-path "guix.scm"))
(input (open-file file "r0b")))
(let-values (((port pids)
(filtered-port '("/does/not/exist") input)))
(any (compose (negate zero?) cdr waitpid)
pids))))
(false-if-exception (delete-file temp-file))
(test-equal "fcntl-flock wait"
42 ; the child's exit status
(let ((file (open-file temp-file "w0")))
;; Acquire an exclusive lock.
(fcntl-flock file 'write-lock)
(match (primitive-fork)
(0
(dynamic-wind
(const #t)
(lambda ()
;; Reopen FILE read-only so we can have a read lock.
(let ((file (open-file temp-file "r")))
;; Wait until we can acquire the lock.
(fcntl-flock file 'read-lock)
(primitive-exit (read file)))
(primitive-exit 1))
(lambda ()
(primitive-exit 2))))
(pid
;; Write garbage and wait.
(display "hello, world!" file)
(force-output file)
(sleep 1)
;; Write the real answer.
(seek file 0 SEEK_SET)
(truncate-file file 0)
(write 42 file)
(force-output file)
;; Unlock, which should let the child continue.
(fcntl-flock file 'unlock)
(match (waitpid pid)
((_ . status)
(let ((result (status:exit-val status)))
(close-port file)
result)))))))
(test-equal "fcntl-flock non-blocking"
EAGAIN ; the child's exit status
(match (pipe)
((input . output)
(match (primitive-fork)
(0
(dynamic-wind
(const #t)
(lambda ()
(close-port output)
;; Wait for the green light.
(read-char input)
;; Open FILE read-only so we can have a read lock.
(let ((file (open-file temp-file "w")))
(catch 'flock-error
(lambda ()
;; This attempt should throw EAGAIN.
(fcntl-flock file 'write-lock #:wait? #f))
(lambda (key errno)
(primitive-exit errno))))
(primitive-exit -1))
(lambda ()
(primitive-exit -2))))
(pid
(close-port input)
(let ((file (open-file temp-file "w")))
;; Acquire an exclusive lock.
(fcntl-flock file 'write-lock)
;; Tell the child to continue.
(write 'green-light output)
(force-output output)
(match (waitpid pid)
((_ . status)
(let ((result (status:exit-val status)))
(fcntl-flock file 'unlock)
(close-port file)
result)))))))))
;; This is actually in (guix store).
(test-equal "store-path-package-name"
"bash-4.2-p24"
(store-path-package-name
(string-append (%store-prefix)
"/qvs2rj2ia5vci3wsdb7qvydrmacig4pg-bash-4.2-p24")))
(test-end)
(false-if-exception (delete-file temp-file))
(exit (= (test-runner-fail-count (test-runner-current)) 0))
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