tests/gremlin.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2015, 2018 Ludovic Courtès <ludo@gnu.org>
   3 ;;;
   4 ;;; This file is part of GNU Guix.
   5 ;;;
   6 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   7 ;;; under the terms of the GNU General Public License as published by
   8 ;;; the Free Software Foundation; either version 3 of the License, or (at
   9 ;;; your option) any later version.
  10 ;;;
  11 ;;; GNU Guix is distributed in the hope that it will be useful, but
  12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;;; GNU General Public License for more details.
  15 ;;;
  16 ;;; You should have received a copy of the GNU General Public License
  17 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 (define-module (test-gremlin)
  20   #:use-module (guix elf)
  21   #:use-module ((guix utils) #:select (call-with-temporary-directory))
  22   #:use-module (guix build utils)
  23   #:use-module (guix build gremlin)
  24   #:use-module (srfi srfi-1)
  25   #:use-module (srfi srfi-26)
  26   #:use-module (srfi srfi-64)
  27   #:use-module (rnrs io ports)
  28   #:use-module (ice-9 popen)
  29   #:use-module (ice-9 match))
  30
  31 (define %guile-executable
  32   (match (false-if-exception (readlink "/proc/self/exe"))
  33     ((? string? program)
  34      (and (file-exists? program) (elf-file? program)
  35           program))
  36     (_
  37      #f)))
  38
  39 (define read-elf
  40   (compose parse-elf get-bytevector-all))
  41
  42 (define c-compiler
  43   (or (which "gcc") (which "cc") (which "g++")))
  44
  45 \f
  46 (test-begin "gremlin")
  47
  48 (unless %guile-executable (test-skip 1))
  49 (test-assert "elf-dynamic-info-needed, executable"
  50   (let* ((elf     (call-with-input-file %guile-executable read-elf))
  51          (dyninfo (elf-dynamic-info elf)))
  52     (or (not dyninfo)                             ;static executable
  53         (lset<= string=?
  54                 (list (string-append "libguile-" (effective-version))
  55                       "libc")
  56                 (map (lambda (lib)
  57                        (string-take lib (string-contains lib ".so")))
  58                      (elf-dynamic-info-needed dyninfo))))))
  59
  60 (test-equal "expand-origin"
  61   '("OOO/../lib"
  62     "OOO"
  63     "../OOO/bar/OOO/baz"
  64     "ORIGIN/foo")
  65   (map (cut expand-origin <> "OOO")
  66        '("$ORIGIN/../lib"
  67          "${ORIGIN}"
  68          "../${ORIGIN}/bar/$ORIGIN/baz"
  69          "ORIGIN/foo")))
  70
  71 (unless c-compiler
  72   (test-skip 1))
  73 (test-equal "strip-runpath"
  74   "hello\n"
  75   (call-with-temporary-directory
  76    (lambda (directory)
  77      (with-directory-excursion directory
  78        (call-with-output-file "t.c"
  79          (lambda (port)
  80            (display "int main () { puts(\"hello\"); }" port)))
  81        (invoke c-compiler "t.c"
  82                "-Wl,--enable-new-dtags" "-Wl,-rpath=/foo" "-Wl,-rpath=/bar")
  83        (let* ((dyninfo (elf-dynamic-info
  84                         (parse-elf (call-with-input-file "a.out"
  85                                      get-bytevector-all))))
  86               (old     (elf-dynamic-info-runpath dyninfo))
  87               (new     (strip-runpath "a.out"))
  88               (new*    (strip-runpath "a.out")))
  89          (validate-needed-in-runpath "a.out")
  90          (and (member "/foo" old) (member "/bar" old)
  91               (not (member "/foo" new))
  92               (not (member "/bar" new))
  93               (equal? new* new)
  94               (let* ((pipe (open-input-pipe "./a.out"))
  95                      (str  (get-string-all pipe)))
  96                 (close-pipe pipe)
  97                 str)))))))
  98
  99 (test-end "gremlin")