tests/unit/test-io-channel-file.c

   1 /*
   2  * QEMU I/O channel file test
   3  *
   4  * Copyright (c) 2015 Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "qemu/osdep.h"
  22 #include "io/channel-file.h"
  23 #include "io/channel-util.h"
  24 #include "io-channel-helpers.h"
  25 #include "qapi/error.h"
  26 #include "qemu/module.h"
  27
  28 #define TEST_FILE "tests/test-io-channel-file.txt"
  29 #define TEST_MASK 0600
  30
  31 /*
  32  * On Windows the stat() function in the C library checks only
  33  * the FAT-style READONLY attribute and does not look at the ACL at all.
  34  */
  35 #ifdef _WIN32
  36 #define TEST_MASK_EXPECT 0700
  37 #else
  38 #define TEST_MASK_EXPECT 0777
  39 #endif
  40
  41 static void test_io_channel_file_helper(int flags)
  42 {
  43     QIOChannel *src, *dst;
  44     QIOChannelTest *test;
  45     struct stat st;
  46     mode_t mask;
  47     int ret;
  48
  49     unlink(TEST_FILE);
  50     src = QIO_CHANNEL(qio_channel_file_new_path(
  51                           TEST_FILE,
  52                           flags, TEST_MASK,
  53                           &error_abort));
  54     dst = QIO_CHANNEL(qio_channel_file_new_path(
  55                           TEST_FILE,
  56                           O_RDONLY | O_BINARY, 0,
  57                           &error_abort));
  58
  59     test = qio_channel_test_new();
  60     qio_channel_test_run_writer(test, src);
  61     qio_channel_test_run_reader(test, dst);
  62     qio_channel_test_validate(test);
  63
  64     /* Check that the requested mode took effect. */
  65     mask = umask(0);
  66     umask(mask);
  67     ret = stat(TEST_FILE, &st);
  68     g_assert_cmpint(ret, >, -1);
  69     g_assert_cmpuint(TEST_MASK & ~mask, ==, st.st_mode & TEST_MASK_EXPECT);
  70
  71     unlink(TEST_FILE);
  72     object_unref(OBJECT(src));
  73     object_unref(OBJECT(dst));
  74 }
  75
  76 static void test_io_channel_file(void)
  77 {
  78     test_io_channel_file_helper(O_WRONLY | O_CREAT | O_TRUNC | O_BINARY);
  79 }
  80
  81 static void test_io_channel_file_rdwr(void)
  82 {
  83     test_io_channel_file_helper(O_RDWR | O_CREAT | O_TRUNC | O_BINARY);
  84 }
  85
  86 static void test_io_channel_fd(void)
  87 {
  88     QIOChannel *ioc;
  89     int fd = -1;
  90
  91     fd = open(TEST_FILE, O_CREAT | O_TRUNC | O_WRONLY, 0600);
  92     g_assert_cmpint(fd, >, -1);
  93
  94     ioc = qio_channel_new_fd(fd, &error_abort);
  95
  96     g_assert_cmpstr(object_get_typename(OBJECT(ioc)),
  97                     ==,
  98                     TYPE_QIO_CHANNEL_FILE);
  99
 100     unlink(TEST_FILE);
 101     object_unref(OBJECT(ioc));
 102 }
 103
 104
 105 #ifndef _WIN32
 106 static void test_io_channel_pipe(bool async)
 107 {
 108     QIOChannel *src, *dst;
 109     QIOChannelTest *test;
 110     int fd[2];
 111
 112     if (pipe(fd) < 0) {
 113         perror("pipe");
 114         abort();
 115     }
 116
 117     src = QIO_CHANNEL(qio_channel_file_new_fd(fd[1]));
 118     dst = QIO_CHANNEL(qio_channel_file_new_fd(fd[0]));
 119
 120     test = qio_channel_test_new();
 121     qio_channel_test_run_threads(test, async, src, dst);
 122     qio_channel_test_validate(test);
 123
 124     object_unref(OBJECT(src));
 125     object_unref(OBJECT(dst));
 126 }
 127
 128
 129 static void test_io_channel_pipe_async(void)
 130 {
 131     test_io_channel_pipe(true);
 132 }
 133
 134 static void test_io_channel_pipe_sync(void)
 135 {
 136     test_io_channel_pipe(false);
 137 }
 138 #endif /* ! _WIN32 */
 139
 140
 141 int main(int argc, char **argv)
 142 {
 143     module_call_init(MODULE_INIT_QOM);
 144
 145     g_test_init(&argc, &argv, NULL);
 146
 147     g_test_add_func("/io/channel/file", test_io_channel_file);
 148     g_test_add_func("/io/channel/file/rdwr", test_io_channel_file_rdwr);
 149     g_test_add_func("/io/channel/file/fd", test_io_channel_fd);
 150 #ifndef _WIN32
 151     g_test_add_func("/io/channel/pipe/sync", test_io_channel_pipe_sync);
 152     g_test_add_func("/io/channel/pipe/async", test_io_channel_pipe_async);
 153 #endif
 154     return g_test_run();
 155 }