unittest/test_lockfile.c

   1 // Copyright (C) 2010-2018 Joel Rosdahl
   2 //
   3 // This program is free software; you can redistribute it and/or modify it
   4 // under the terms of the GNU General Public License as published by the Free
   5 // Software Foundation; either version 3 of the License, or (at your option)
   6 // any later version.
   7 //
   8 // This program is distributed in the hope that it will be useful, but WITHOUT
   9 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  11 // more details.
  12 //
  13 // You should have received a copy of the GNU General Public License along with
  14 // this program; if not, write to the Free Software Foundation, Inc., 51
  15 // Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  16
  17 // This file contains tests for functions in lockfile.c.
  18
  19 #include "../src/ccache.h"
  20 #include "framework.h"
  21 #include "util.h"
  22
  23 TEST_SUITE(lockfile)
  24
  25 TEST(acquire_should_create_symlink)
  26 {
  27         lockfile_acquire("test", 1000);
  28
  29 #ifdef _WIN32
  30         CHECK(path_exists("test.lock"));
  31 #else
  32         CHECK(is_symlink("test.lock"));
  33 #endif
  34 }
  35
  36 TEST(release_should_delete_file)
  37 {
  38         create_file("test.lock", "");
  39         lockfile_release("test");
  40
  41         CHECK(!path_exists("test.lock"));
  42 }
  43
  44 TEST(lock_breaking)
  45 {
  46         char *p;
  47
  48 #ifdef _WIN32
  49         create_file("test.lock", "foo");
  50         create_file("test.lock.lock", "foo");
  51 #else
  52         CHECK_INT_EQ(0, symlink("foo", "test.lock"));
  53         CHECK_INT_EQ(0, symlink("foo", "test.lock.lock"));
  54 #endif
  55         CHECK(lockfile_acquire("test", 1000));
  56
  57 #ifdef _WIN32
  58         p = read_text_file("test.lock", 0);
  59 #else
  60         p = x_readlink("test.lock");
  61 #endif
  62         CHECK(p);
  63         CHECK(!str_eq(p, "foo"));
  64         CHECK(!path_exists("test.lock.lock"));
  65
  66         free(p);
  67 }
  68
  69 #ifndef _WIN32
  70 TEST(failed_lock_breaking)
  71 {
  72         create_file("test.lock", "");
  73         CHECK(!lockfile_acquire("test", 1000));
  74 }
  75 #endif
  76
  77 TEST_SUITE_END