test-suite/tests/filesys.test

   1 ;;;; filesys.test --- test file system functions -*- scheme -*-
   2 ;;;;
   3 ;;;; Copyright (C) 2004, 2006, 2013 Free Software Foundation, Inc.
   4 ;;;;
   5 ;;;; This library is free software; you can redistribute it and/or
   6 ;;;; modify it under the terms of the GNU Lesser General Public
   7 ;;;; License as published by the Free Software Foundation; either
   8 ;;;; version 3 of the License, or (at your option) any later version.
   9 ;;;;
  10 ;;;; This library is distributed in the hope that it will be useful,
  11 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 ;;;; Lesser General Public License for more details.
  14 ;;;;
  15 ;;;; You should have received a copy of the GNU Lesser General Public
  16 ;;;; License along with this library; if not, write to the Free Software
  17 ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  18
  19 (define-module (test-suite test-filesys)
  20   #:use-module (test-suite lib)
  21   #:use-module (test-suite guile-test)
  22   #:use-module (ice-9 match)
  23   #:use-module (rnrs io ports)
  24   #:use-module (rnrs bytevectors))
  25
  26 (define (test-file)
  27   (data-file-name "filesys-test.tmp"))
  28 (define (test-symlink)
  29   (data-file-name "filesys-test-link.tmp"))
  30
  31
  32 ;;;
  33 ;;; copy-file
  34 ;;;
  35
  36 (with-test-prefix "copy-file"
  37
  38   ;; return next prospective file descriptor number
  39   (define (next-fd)
  40     (let ((fd (dup 0)))
  41       (close fd)
  42       fd))
  43
  44   ;; in guile 1.6.4 and earlier, copy-file didn't close the input fd when
  45   ;; the output could not be opened
  46   (pass-if "fd leak when dest unwritable"
  47     (let ((old-next (next-fd)))
  48       (false-if-exception (copy-file "/dev/null" "no/such/dir/foo"))
  49       (= old-next (next-fd)))))
  50
  51 ;;;
  52 ;;; lstat
  53 ;;;
  54
  55 (with-test-prefix "lstat"
  56
  57   (pass-if "normal file"
  58     (call-with-output-file (test-file)
  59       (lambda (port)
  60         (display "hello" port)))
  61     (eqv? 5 (stat:size (lstat (test-file)))))
  62
  63   (call-with-output-file (test-file)
  64     (lambda (port)
  65       (display "hello" port)))
  66   (false-if-exception (delete-file (test-symlink)))
  67   (if (not (false-if-exception
  68             (begin (symlink (test-file) (test-symlink)) #t)))
  69       (display "cannot create symlink, lstat test skipped\n")
  70       (pass-if "symlink"
  71         ;; not much to test, except that it works
  72         (->bool (lstat (test-symlink))))))
  73
  74 ;;;
  75 ;;; opendir and friends
  76 ;;;
  77
  78 (with-test-prefix "opendir"
  79
  80   (with-test-prefix "root directory"
  81     (let ((d (opendir "/")))
  82       (pass-if "not empty"
  83         (string? (readdir d)))
  84       (pass-if "all entries are strings"
  85         (let more ()
  86           (let ((f (readdir d)))
  87             (cond ((string? f)
  88                    (more))
  89                   ((eof-object? f)
  90                    #t)
  91                   (else
  92                    #f)))))
  93       (closedir d))))
  94
  95 ;;;
  96 ;;; stat
  97 ;;;
  98
  99 (with-test-prefix "stat"
 100
 101   (with-test-prefix "filename"
 102
 103     (pass-if "size"
 104       (call-with-output-file (test-file)
 105         (lambda (port)
 106           (display "hello" port)))
 107       (eqv? 5 (stat:size (stat (test-file))))))
 108
 109   (with-test-prefix "file descriptor"
 110
 111     (pass-if "size"
 112       (call-with-output-file (test-file)
 113         (lambda (port)
 114           (display "hello" port)))
 115       (let* ((fd (open-fdes (test-file) O_RDONLY))
 116              (st (stat fd)))
 117         (close-fdes fd)
 118         (eqv? 5 (stat:size st)))))
 119
 120   (with-test-prefix "port"
 121
 122     (pass-if "size"
 123       (call-with-output-file (test-file)
 124         (lambda (port)
 125           (display "hello" port)))
 126       (let* ((port (open-file (test-file) "r+"))
 127              (st   (stat port)))
 128         (close-port port)
 129         (eqv? 5 (stat:size st))))))
 130
 131 (with-test-prefix "sendfile"
 132
 133   (pass-if "file"
 134     (let ((file (search-path %load-path "ice-9/boot-9.scm")))
 135       (call-with-input-file file
 136         (lambda (input)
 137           (let ((len (stat:size (stat input))))
 138             (call-with-output-file (test-file)
 139               (lambda (output)
 140                 (sendfile output input len 0))))))
 141       (let ((ref (call-with-input-file file get-bytevector-all))
 142             (out (call-with-input-file (test-file) get-bytevector-all)))
 143         (bytevector=? ref out))))
 144
 145   (pass-if "file with offset"
 146     (let ((file (search-path %load-path "ice-9/boot-9.scm")))
 147       (call-with-input-file file
 148         (lambda (input)
 149           (let ((len (stat:size (stat input))))
 150             (call-with-output-file (test-file)
 151               (lambda (output)
 152                 (sendfile output input (- len 777) 777))))))
 153       (let ((ref (call-with-input-file file
 154                    (lambda (input)
 155                      (seek input 777 SEEK_SET)
 156                      (get-bytevector-all input))))
 157             (out (call-with-input-file (test-file) get-bytevector-all)))
 158         (bytevector=? ref out))))
 159
 160   (pass-if "pipe"
 161     (let* ((file   (search-path %load-path "ice-9/boot-9.scm"))
 162            (in+out (pipe))
 163            (child  (call-with-new-thread
 164                     (lambda ()
 165                       (call-with-input-file file
 166                         (lambda (input)
 167                           (let ((len (stat:size (stat input))))
 168                             (sendfile (cdr in+out) (fileno input) len 0)
 169                             (close-port (cdr in+out)))))))))
 170       (let ((ref (call-with-input-file file get-bytevector-all))
 171             (out (get-bytevector-all (car in+out))))
 172         (close-port (car in+out))
 173         (bytevector=? ref out))))
 174
 175   (pass-if "pipe with offset"
 176     (let* ((file   (search-path %load-path "ice-9/boot-9.scm"))
 177            (in+out (pipe))
 178            (child  (call-with-new-thread
 179                     (lambda ()
 180                       (call-with-input-file file
 181                         (lambda (input)
 182                           (let ((len (stat:size (stat input))))
 183                             (sendfile (cdr in+out) (fileno input)
 184                                       (- len 777) 777)
 185                             (close-port (cdr in+out)))))))))
 186       (let ((ref (call-with-input-file file
 187                    (lambda (input)
 188                      (seek input 777 SEEK_SET)
 189                      (get-bytevector-all input))))
 190             (out (get-bytevector-all (car in+out))))
 191         (close-port (car in+out))
 192         (bytevector=? ref out)))))
 193
 194 (delete-file (test-file))
 195 (delete-file (test-symlink))