tests/utils.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
   3 ;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
   4 ;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
   5 ;;;
   6 ;;; This file is part of GNU Guix.
   7 ;;;
   8 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   9 ;;; under the terms of the GNU General Public License as published by
  10 ;;; the Free Software Foundation; either version 3 of the License, or (at
  11 ;;; your option) any later version.
  12 ;;;
  13 ;;; GNU Guix is distributed in the hope that it will be useful, but
  14 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;;; GNU General Public License for more details.
  17 ;;;
  18 ;;; You should have received a copy of the GNU General Public License
  19 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 (define-module (test-utils)
  22   #:use-module ((guix config) #:select (%gzip))
  23   #:use-module (guix utils)
  24   #:use-module ((guix store) #:select (%store-prefix store-path-package-name))
  25   #:use-module ((guix search-paths) #:select (string-tokenize*))
  26   #:use-module (srfi srfi-1)
  27   #:use-module (srfi srfi-11)
  28   #:use-module (srfi srfi-64)
  29   #:use-module (rnrs bytevectors)
  30   #:use-module (rnrs io ports)
  31   #:use-module (ice-9 match)
  32   #:use-module (ice-9 vlist))
  33
  34 (define temp-file
  35   (string-append "t-utils-" (number->string (getpid))))
  36
  37 (test-begin "utils")
  38
  39 (test-assert "gnu-triplet->nix-system"
  40   (let ((samples '(("i586-gnu0.3" "i686-gnu")
  41                    ("x86_64-unknown-linux-gnu" "x86_64-linux")
  42                    ("i386-pc-linux-gnu" "i686-linux")
  43                    ("x86_64-unknown-freebsd8.2" "x86_64-freebsd")
  44                    ("x86_64-apple-darwin10.8.0" "x86_64-darwin")
  45                    ("i686-pc-cygwin" "i686-cygwin"))))
  46     (let-values (((gnu nix) (unzip2 samples)))
  47       (every (lambda (gnu nix)
  48                (equal? nix (gnu-triplet->nix-system gnu)))
  49              gnu nix))))
  50
  51 (test-assert "package-name->name+version"
  52   (every (match-lambda
  53           ((name version)
  54            (let*-values (((full-name)
  55                           (if version
  56                               (string-append name "@" version)
  57                               name))
  58                          ((name* version*)
  59                           (package-name->name+version full-name)))
  60              (and (equal? name* name)
  61                   (equal? version* version)))))
  62          '(("foo" "0.9.1b")
  63            ("foo-14-bar" "320")
  64            ("foo-bar2" #f)
  65            ("guile" "2.0.6.65-134c9") ; as produced by `git-version-gen'
  66            ("nixpkgs" "1.0pre22125_a28fe19")
  67            ("gtk2" "2.38.0"))))
  68
  69 (test-assert "guile-version>? 1.8"
  70   (guile-version>? "1.8"))
  71
  72 (test-assert "guile-version>? 10.5"
  73   (not (guile-version>? "10.5")))
  74
  75 (test-equal "string-tokenize*"
  76   '(("foo")
  77     ("foo" "bar" "baz")
  78     ("foo" "bar" "")
  79     ("foo" "bar" "baz"))
  80   (list (string-tokenize* "foo" ":")
  81         (string-tokenize* "foo;bar;baz" ";")
  82         (string-tokenize* "foo!bar!" "!")
  83         (string-tokenize* "foo+-+bar+-+baz" "+-+")))
  84
  85 (test-equal "string-replace-substring"
  86   '("foo BAR! baz"
  87     "/gnu/store/chbouib"
  88     "")
  89   (list (string-replace-substring "foo bar baz" "bar" "BAR!")
  90         (string-replace-substring "/nix/store/chbouib" "/nix/" "/gnu/")
  91         (string-replace-substring "" "foo" "bar")))
  92
  93 (test-equal "strip-keyword-arguments"
  94   '(a #:b b #:c c)
  95   (strip-keyword-arguments '(#:foo #:bar #:baz)
  96                            '(a #:foo 42 #:b b #:baz 3
  97                                #:c c #:bar 4)))
  98
  99 (test-equal "ensure-keyword-arguments"
 100   '((#:foo 2)
 101     (#:foo 2 #:bar 3)
 102     (#:foo 42 #:bar 3))
 103   (list (ensure-keyword-arguments '(#:foo 2) '(#:foo 2))
 104         (ensure-keyword-arguments '(#:foo 2) '(#:bar 3))
 105         (ensure-keyword-arguments '(#:foo 2) '(#:bar 3 #:foo 42))))
 106
 107 (test-equal "default-keyword-arguments"
 108   '((#:foo 2)
 109     (#:foo 2)
 110     (#:foo 2 #:bar 3)
 111     (#:foo 2 #:bar 3)
 112     (#:foo 2 #:bar 3))
 113   (list (default-keyword-arguments '() '(#:foo 2))
 114         (default-keyword-arguments '(#:foo 2) '(#:foo 4))
 115         (default-keyword-arguments '() '(#:bar 3 #:foo 2))
 116         (default-keyword-arguments '(#:bar 3) '(#:foo 2))
 117         (default-keyword-arguments '(#:foo 2 #:bar 3) '(#:bar 6))))
 118
 119 (test-equal "substitute-keyword-arguments"
 120   '((#:foo 3)
 121     (#:foo 3)
 122     (#:foo 3 #:bar (1 2))
 123     (#:bar (1 2) #:foo 3)
 124     (#:foo 3))
 125   (list (substitute-keyword-arguments '(#:foo 2)
 126           ((#:foo f) (1+ f)))
 127         (substitute-keyword-arguments '()
 128           ((#:foo f 2) (1+ f)))
 129         (substitute-keyword-arguments '(#:foo 2 #:bar (2))
 130           ((#:foo f) (1+ f))
 131           ((#:bar b) (cons 1 b)))
 132         (substitute-keyword-arguments '(#:foo 2)
 133           ((#:foo _) 3)
 134           ((#:bar b '(2)) (cons 1 b)))
 135         (substitute-keyword-arguments '(#:foo 2)
 136           ((#:foo f 1) (1+ f))
 137           ((#:bar b) (cons 42 b)))))
 138
 139 (test-assert "filtered-port, file"
 140   (let* ((file  (search-path %load-path "guix.scm"))
 141          (input (open-file file "r0b")))
 142     (let*-values (((compressed pids1)
 143                    (filtered-port `(,%gzip "-c" "--fast") input))
 144                   ((decompressed pids2)
 145                    (filtered-port `(,%gzip "-d") compressed)))
 146       (and (every (compose zero? cdr waitpid)
 147                   (append pids1 pids2))
 148            (equal? (get-bytevector-all decompressed)
 149                    (call-with-input-file file get-bytevector-all))))))
 150
 151 (test-assert "filtered-port, non-file"
 152   (let ((data (call-with-input-file (search-path %load-path "guix.scm")
 153                 get-bytevector-all)))
 154     (let*-values (((compressed pids1)
 155                    (filtered-port `(,%gzip "-c" "--fast")
 156                                   (open-bytevector-input-port data)))
 157                   ((decompressed pids2)
 158                    (filtered-port `(,%gzip "-d") compressed)))
 159       (and (pk (every (compose zero? cdr waitpid)
 160                    (append pids1 pids2)))
 161            (equal? (get-bytevector-all decompressed) data)))))
 162
 163 (test-assert "filtered-port, does not exist"
 164   (let* ((file  (search-path %load-path "guix.scm"))
 165          (input (open-file file "r0b")))
 166     (let-values (((port pids)
 167                   (filtered-port '("/does/not/exist") input)))
 168       (any (compose (negate zero?) cdr waitpid)
 169            pids))))
 170
 171 (test-assert "compressed-port, decompressed-port, non-file"
 172   (let ((data (call-with-input-file (search-path %load-path "guix.scm")
 173                 get-bytevector-all)))
 174     (let*-values (((compressed pids1)
 175                    (compressed-port 'xz (open-bytevector-input-port data)))
 176                   ((decompressed pids2)
 177                    (decompressed-port 'xz compressed)))
 178       (and (every (compose zero? cdr waitpid)
 179                   (append pids1 pids2))
 180            (equal? (get-bytevector-all decompressed) data)))))
 181
 182 (false-if-exception (delete-file temp-file))
 183 (test-assert "compressed-output-port + decompressed-port"
 184   (let* ((file (search-path %load-path "guix/derivations.scm"))
 185          (data (call-with-input-file file get-bytevector-all))
 186          (port (open-file temp-file "w0b")))
 187     (call-with-compressed-output-port 'xz port
 188       (lambda (compressed)
 189         (put-bytevector compressed data)))
 190     (close-port port)
 191
 192     (bytevector=? data
 193                   (call-with-decompressed-port 'xz (open-file temp-file "r0b")
 194                     get-bytevector-all))))
 195
 196 ;; This is actually in (guix store).
 197 (test-equal "store-path-package-name"
 198   "bash-4.2-p24"
 199   (store-path-package-name
 200    (string-append (%store-prefix)
 201                   "/qvs2rj2ia5vci3wsdb7qvydrmacig4pg-bash-4.2-p24")))
 202
 203 (test-equal "canonical-newline-port"
 204   "This is a journey\nInto the sound\nA journey ...\n"
 205   (let ((port (open-string-input-port
 206                "This is a journey\r\nInto the sound\r\nA journey ...\n")))
 207     (get-string-all (canonical-newline-port port))))
 208
 209
 210 (test-equal "edit-expression"
 211   "(display \"GNU Guix\")\n(newline)\n"
 212   (begin
 213     (call-with-output-file temp-file
 214       (lambda (port)
 215         (display "(display \"xiuG UNG\")\n(newline)\n" port)))
 216     (edit-expression `((filename . ,temp-file)
 217                        (line     . 0)
 218                        (column   . 9))
 219                      string-reverse)
 220     (call-with-input-file temp-file get-string-all)))
 221
 222 (test-end)
 223
 224 (false-if-exception (delete-file temp-file))