guix/tests/utils.scm

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2016 Mathieu Lirzin <mthl@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 ((guix search-paths) #:select (string-tokenize*))
#:use-module ((guix lzlib) #:select (lzlib-available?))
#: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)
#:use-module (ice-9 vlist))
(define temp-file
(string-append "t-utils-" (number->string (getpid))))
(test-begin "utils")
(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-14-bar" "320")
("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-assert "version-prefix?"
(and (version-prefix? "4.1" "4.1.2")
(version-prefix? "4.1" "4.1")
(not (version-prefix? "4.1" "4.16.2"))
(not (version-prefix? "4.1" "4"))))
(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 "strip-keyword-arguments"
'(a #:b b #:c c)
(strip-keyword-arguments '(#:foo #:bar #:baz)
'(a #:foo 42 #:b b #:baz 3
#:c c #:bar 4)))
(test-equal "ensure-keyword-arguments"
'((#:foo 2)
(#:foo 2 #:bar 3)
(#:foo 42 #:bar 3))
(list (ensure-keyword-arguments '(#:foo 2) '(#:foo 2))
(ensure-keyword-arguments '(#:foo 2) '(#:bar 3))
(ensure-keyword-arguments '(#:foo 2) '(#:bar 3 #:foo 42))))
(test-equal "default-keyword-arguments"
'((#:foo 2)
(#:foo 2)
(#:foo 2 #:bar 3)
(#:foo 2 #:bar 3)
(#:foo 2 #:bar 3))
(list (default-keyword-arguments '() '(#:foo 2))
(default-keyword-arguments '(#:foo 2) '(#:foo 4))
(default-keyword-arguments '() '(#:bar 3 #:foo 2))
(default-keyword-arguments '(#:bar 3) '(#:foo 2))
(default-keyword-arguments '(#:foo 2 #:bar 3) '(#:bar 6))))
(test-equal "substitute-keyword-arguments"
'((#:foo 3)
(#:foo 3)
(#:foo 3 #:bar (1 2))
(#:bar (1 2) #:foo 3)
(#:foo 3))
(list (substitute-keyword-arguments '(#:foo 2)
((#:foo f) (1+ f)))
(substitute-keyword-arguments '()
((#:foo f 2) (1+ f)))
(substitute-keyword-arguments '(#:foo 2 #:bar (2))
((#:foo f) (1+ f))
((#:bar b) (cons 1 b)))
(substitute-keyword-arguments '(#:foo 2)
((#:foo _) 3)
((#:bar b '(2)) (cons 1 b)))
(substitute-keyword-arguments '(#:foo 2)
((#:foo f 1) (1+ f))
((#:bar b) (cons 42 b)))))
(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))))
(define (test-compression/decompression method run?)
"Test METHOD, a symbol such as 'gzip. Call RUN? to determine whether to
skip these tests."
(unless (run?) (test-skip 1))
(test-assert (format #f "compressed-port, decompressed-port, non-file [~a]"
method)
(let ((data (call-with-input-file (search-path %load-path "guix.scm")
get-bytevector-all)))
(let*-values (((compressed pids1)
(compressed-port method (open-bytevector-input-port data)))
((decompressed pids2)
(decompressed-port method compressed)))
(and (every (compose zero? cdr waitpid)
(pk 'pids method (append pids1 pids2)))
(let ((result (get-bytevector-all decompressed)))
(pk 'len method
(if (bytevector? result)
(bytevector-length result)
result)
(bytevector-length data))
(equal? result data))))))
(false-if-exception (delete-file temp-file))
(unless (run?) (test-skip 1))
(test-assert (format #f "compressed-output-port + decompressed-port [~a]"
method)
(let* ((file (search-path %load-path "guix/derivations.scm"))
(data (call-with-input-file file get-bytevector-all))
(port (open-file temp-file "w0b")))
(call-with-compressed-output-port method port
(lambda (compressed)
(put-bytevector compressed data)))
(close-port port)
(bytevector=? data
(call-with-decompressed-port method (open-file temp-file "r0b")
get-bytevector-all)))))
(for-each test-compression/decompression
'(gzip xz lzip)
(list (const #t) (const #t) lzlib-available?))
;; 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-equal "canonical-newline-port"
"This is a journey\nInto the sound\nA journey ...\n"
(let ((port (open-string-input-port
"This is a journey\r\nInto the sound\r\nA journey ...\n")))
(get-string-all (canonical-newline-port port))))
(test-equal "edit-expression"
"(display \"GNU Guix\")\n(newline)\n"
(begin
(call-with-output-file temp-file
(lambda (port)
(display "(display \"xiuG UNG\")\n(newline)\n" port)))
(edit-expression `((filename . ,temp-file)
(line . 0)
(column . 9))
string-reverse)
(call-with-input-file temp-file get-string-all)))
(test-end)
(false-if-exception (delete-file temp-file))