tests/build-utils.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2015, 2016, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
   3 ;;; Copyright © 2019 Ricardo Wurmus <rekado@elephly.net>
   4 ;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
   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
  22 (define-module (test build-utils)
  23   #:use-module (guix tests)
  24   #:use-module (guix build utils)
  25   #:use-module ((guix utils)
  26                 #:select (%current-system call-with-temporary-directory))
  27   #:use-module (gnu packages)
  28   #:use-module (gnu packages bootstrap)
  29   #:use-module (srfi srfi-34)
  30   #:use-module (srfi srfi-35)
  31   #:use-module (srfi srfi-64)
  32   #:use-module (rnrs io ports)
  33   #:use-module (ice-9 popen))
  34
  35 \f
  36 (test-begin "build-utils")
  37
  38 (test-equal "alist-cons-before"
  39   '((a . 1) (x . 42) (b . 2) (c . 3))
  40   (alist-cons-before 'b 'x 42 '((a . 1) (b . 2) (c . 3))))
  41
  42 (test-equal "alist-cons-before, reference not found"
  43   '((a . 1) (b . 2) (c . 3) (x . 42))
  44   (alist-cons-before 'z 'x 42 '((a . 1) (b . 2) (c . 3))))
  45
  46 (test-equal "alist-cons-after"
  47   '((a . 1) (b . 2) (x . 42) (c . 3))
  48   (alist-cons-after 'b 'x 42 '((a . 1) (b . 2) (c . 3))))
  49
  50 (test-equal "alist-cons-after, reference not found"
  51   '((a . 1) (b . 2) (c . 3) (x . 42))
  52   (alist-cons-after 'z 'x 42 '((a . 1) (b . 2) (c . 3))))
  53
  54 (test-equal "alist-replace"
  55   '((a . 1) (b . 77) (c . 3))
  56   (alist-replace 'b 77 '((a . 1) (b . 2) (c . 3))))
  57
  58 (test-assert "alist-replace, key not found"
  59   (not (false-if-exception
  60         (alist-replace 'z 77 '((a . 1) (b . 2) (c . 3))))))
  61
  62 (test-equal "fold-port-matches"
  63   (make-list 3 "Guix")
  64   (call-with-input-string "Guix is cool, Guix rocks, and it uses Guile, Guix!"
  65     (lambda (port)
  66       (fold-port-matches cons '() "Guix" port))))
  67
  68 (test-equal "fold-port-matches, trickier"
  69   (reverse '("Guix" "guix" "Guix" "guiX" "Guix"))
  70   (call-with-input-string "Guix, guix, GuiGuixguiX, Guix"
  71     (lambda (port)
  72       (fold-port-matches cons '()
  73                          (list (char-set #\G #\g)
  74                                (char-set #\u)
  75                                (char-set #\i)
  76                                (char-set #\x #\X))
  77                          port))))
  78
  79 (test-equal "fold-port-matches, with unmatched chars"
  80   '("Guix" #\, #\space
  81     "guix" #\, #\space
  82     #\G #\u #\i "Guix" "guiX" #\, #\space
  83     "Guix")
  84   (call-with-input-string "Guix, guix, GuiGuixguiX, Guix"
  85     (lambda (port)
  86       (reverse
  87        (fold-port-matches cons '()
  88                           (list (char-set #\G #\g)
  89                                 (char-set #\u)
  90                                 (char-set #\i)
  91                                 (char-set #\x #\X))
  92                           port
  93                           cons)))))
  94
  95 (test-equal "wrap-program, one input, multiple calls"
  96   "hello world\n"
  97   (call-with-temporary-directory
  98    (lambda (directory)
  99      (let ((bash (search-bootstrap-binary "bash" (%current-system)))
 100            (foo  (string-append directory "/foo")))
 101
 102        (call-with-output-file foo
 103          (lambda (p)
 104            (format p
 105                    "#!~a~%echo \"${GUIX_FOO} ${GUIX_BAR}\"~%"
 106                    bash)))
 107        (chmod foo #o777)
 108
 109        ;; wrap-program uses `which' to find bash for the wrapper shebang, but
 110        ;; it can't know about the bootstrap bash in the store, since it's not
 111        ;; named "bash".  Help it out a bit by providing a symlink it this
 112        ;; package's output.
 113        (with-environment-variable "PATH" (dirname bash)
 114          (wrap-program foo `("GUIX_FOO" prefix ("hello")))
 115          (wrap-program foo `("GUIX_BAR" prefix ("world")))
 116
 117          ;; The bootstrap Bash is linked against an old libc and would abort
 118          ;; with an assertion failure when trying to load incompatible locale
 119          ;; data.
 120          (unsetenv "LOCPATH")
 121
 122          (let* ((pipe (open-input-pipe foo))
 123                 (str  (get-string-all pipe)))
 124            (with-directory-excursion directory
 125              (for-each delete-file '("foo" ".foo-real")))
 126            (and (zero? (close-pipe pipe))
 127                 str)))))))
 128
 129 (test-assert "invoke/quiet, success"
 130   (begin
 131     (invoke/quiet "true")
 132     #t))
 133
 134 (test-assert "invoke/quiet, failure"
 135   (guard (c ((message-condition? c)
 136              (string-contains (condition-message c) "This is an error.")))
 137     (invoke/quiet "sh" "-c" "echo This is an error. ; false")
 138     #f))
 139
 140 (test-assert "invoke/quiet, failure, message on stderr"
 141   (guard (c ((message-condition? c)
 142              (string-contains (condition-message c)
 143                               "This is another error.")))
 144     (invoke/quiet "sh" "-c" "echo This is another error. >&2 ; false")
 145     #f))
 146
 147 (let ((script-contents "\
 148 #!/anything/cabbage-bash-1.2.3/bin/sh
 149
 150 echo hello world"))
 151
 152   (test-equal "wrap-script, simple case"
 153     (string-append
 154      (format #f "\
 155 #!~a --no-auto-compile
 156 #!#; Guix wrapper
 157 #\\-~s
 158 #\\-~s
 159 "
 160              (which "guile")
 161              '(begin (let ((current (getenv "GUIX_FOO")))
 162                        (setenv "GUIX_FOO"
 163                                (if current
 164                                    (string-append "/some/path:/some/other/path"
 165                                                   ":" current)
 166                                    "/some/path:/some/other/path"))))
 167              '(let ((cl (command-line)))
 168                 (apply execl "/anything/cabbage-bash-1.2.3/bin/sh"
 169                        (car cl)
 170                        (cons (car cl)
 171                              (append '("") cl)))))
 172      script-contents)
 173     (call-with-temporary-directory
 174      (lambda (directory)
 175        (let ((script-file-name (string-append directory "/foo")))
 176          (call-with-output-file script-file-name
 177            (lambda (port)
 178              (display script-contents port)))
 179          (chmod script-file-name #o777)
 180          (wrap-script script-file-name
 181                       `("GUIX_FOO" prefix ("/some/path"
 182                                            "/some/other/path")))
 183          (let ((str (call-with-input-file script-file-name get-string-all)))
 184            (with-directory-excursion directory
 185              (delete-file "foo"))
 186            str))))))
 187
 188 (let ((script-contents "\
 189 #!/anything/cabbage-bash-1.2.3/bin/python3 -and -args
 190 # vim:fileencoding=utf-8
 191 print('hello world')"))
 192
 193   (test-equal "wrap-script, with encoding declaration"
 194     (string-append
 195      (format #f "\
 196 #!MYGUILE --no-auto-compile
 197 #!#; # vim:fileencoding=utf-8
 198 #\\-~s
 199 #\\-~s
 200 "
 201              '(begin (let ((current (getenv "GUIX_FOO")))
 202                        (setenv "GUIX_FOO"
 203                                (if current
 204                                    (string-append "/some/path:/some/other/path"
 205                                                   ":" current)
 206                                    "/some/path:/some/other/path"))))
 207              `(let ((cl (command-line)))
 208                 (apply execl "/anything/cabbage-bash-1.2.3/bin/python3"
 209                        (car cl)
 210                        (cons (car cl)
 211                              (append '("" "-and" "-args") cl)))))
 212      script-contents)
 213     (call-with-temporary-directory
 214      (lambda (directory)
 215        (let ((script-file-name (string-append directory "/foo")))
 216          (call-with-output-file script-file-name
 217            (lambda (port)
 218              (format port script-contents)))
 219          (chmod script-file-name #o777)
 220
 221          (wrap-script script-file-name
 222                       #:guile "MYGUILE"
 223                       `("GUIX_FOO" prefix ("/some/path"
 224                                            "/some/other/path")))
 225          (let ((str (call-with-input-file script-file-name get-string-all)))
 226            (with-directory-excursion directory
 227              (delete-file "foo"))
 228            str))))))
 229
 230 (test-assert "wrap-script, raises condition"
 231   (call-with-temporary-directory
 232    (lambda (directory)
 233      (let ((script-file-name (string-append directory "/foo")))
 234        (call-with-output-file script-file-name
 235          (lambda (port)
 236            (format port "This is not a script")))
 237        (chmod script-file-name #o777)
 238        (guard (c ((wrap-error? c) #t))
 239          (wrap-script script-file-name
 240                       #:guile "MYGUILE"
 241                       `("GUIX_FOO" prefix ("/some/path"
 242                                            "/some/other/path")))
 243          #f)))))
 244
 245 (test-equal "substitute*, text contains a NUL byte, UTF-8"
 246   "c\0d"
 247   (with-fluids ((%default-port-encoding "UTF-8")
 248                 (%default-port-conversion-strategy 'error))
 249     ;; The GNU libc is locale sensitive.  Depending on the value of LANG, the
 250     ;; test could fail with "string contains #\\nul character: ~S" or "cannot
 251     ;; convert wide string to output locale".
 252     (setlocale LC_ALL "en_US.UTF-8")
 253     (call-with-temporary-output-file
 254      (lambda (file port)
 255        (format port "a\0b")
 256        (flush-output-port port)
 257
 258        (substitute* file
 259          (("a") "c")
 260          (("b") "d"))
 261
 262        (with-input-from-file file
 263          (lambda _
 264            (get-string-all (current-input-port))))))))
 265
 266 (test-end)