commands/tar/test/test_option_r.c

   1 /*-
   2  * Copyright (c) 2003-2007 Tim Kientzle
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25 #include "test.h"
  26 __FBSDID("$FreeBSD$");
  27
  28 /*
  29  * Also see test_option_q for additional validation of -r support.
  30  */
  31 DEFINE_TEST(test_option_r)
  32 {
  33         char buff[15];
  34         char *p0, *p1;
  35         size_t s;
  36         FILE *f;
  37         int r;
  38
  39         /* Create a file */
  40         f = fopen("f1", "w");
  41         if (!assert(f != NULL))
  42                 return;
  43         assertEqualInt(3, fwrite("abc", 1, 3, f));
  44         fclose(f);
  45
  46         /* Archive that one file. */
  47         r = systemf("%s cf archive.tar --format=ustar f1 >step1.out 2>step1.err", testprog);
  48         failure("Error invoking %s cf archive.tar f1", testprog);
  49         assertEqualInt(r, 0);
  50
  51         /* Verify that nothing went to stdout or stderr. */
  52         assertEmptyFile("step1.out");
  53         assertEmptyFile("step1.err");
  54
  55
  56         /* Do some basic validation of the constructed archive. */
  57         p0 = slurpfile(&s, "archive.tar");
  58         if (!assert(p0 != NULL))
  59                 return;
  60         if (!assert(s >= 2048)) {
  61                 free(p0);
  62                 return;
  63         }
  64         assertEqualMem(p0 + 0, "f1", 3);
  65         assertEqualMem(p0 + 512, "abc", 3);
  66         assertEqualMem(p0 + 1024, "\0\0\0\0\0\0\0\0", 8);
  67         assertEqualMem(p0 + 1536, "\0\0\0\0\0\0\0\0", 8);
  68
  69         /* Edit that file */
  70         f = fopen("f1", "w");
  71         if (!assert(f != NULL))
  72                 return;
  73         assertEqualInt(3, fwrite("123", 1, 3, f));
  74         fclose(f);
  75
  76         /* Update the archive. */
  77         r = systemf("%s rf archive.tar --format=ustar f1 >step2.out 2>step2.err", testprog);
  78         failure("Error invoking %s rf archive.tar f1", testprog);
  79         assertEqualInt(r, 0);
  80
  81         /* Verify that nothing went to stdout or stderr. */
  82         assertEmptyFile("step2.out");
  83         assertEmptyFile("step2.err");
  84
  85         /* Do some basic validation of the constructed archive. */
  86         p1 = slurpfile(&s, "archive.tar");
  87         if (!assert(p1 != NULL)) {
  88                 free(p0);
  89                 return;
  90         }
  91         assert(s >= 3072);
  92         /* Verify first entry is unchanged. */
  93         assertEqualMem(p0, p1, 1024);
  94         /* Verify that second entry is correct. */
  95         assertEqualMem(p1 + 1024, "f1", 3);
  96         assertEqualMem(p1 + 1536, "123", 3);
  97         /* Verify end-of-archive marker. */
  98         assertEqualMem(p1 + 2048, "\0\0\0\0\0\0\0\0", 8);
  99         assertEqualMem(p1 + 2560, "\0\0\0\0\0\0\0\0", 8);
 100         free(p0);
 101         free(p1);
 102
 103         /* Unpack both items */
 104         assertMakeDir("step3", 0775);
 105         assertChdir("step3");
 106         r = systemf("%s xf ../archive.tar", testprog);
 107         failure("Error invoking %s xf archive.tar", testprog);
 108         assertEqualInt(r, 0);
 109
 110         /* Verify that the second one overwrote the first. */
 111         f = fopen("f1", "r");
 112         if (assert(f != NULL)) {
 113                 assertEqualInt(3, fread(buff, 1, 3, f));
 114                 assertEqualMem(buff, "123", 3);
 115                 fclose(f);
 116         }
 117 }