tests/core/filebuf.c

   1 #include "clar_libgit2.h"
   2 #include "filebuf.h"
   3
   4 /* make sure git_filebuf_open doesn't delete an existing lock */
   5 void test_core_filebuf__0(void)
   6 {
   7         git_filebuf file = GIT_FILEBUF_INIT;
   8         int fd;
   9         char test[] = "test", testlock[] = "test.lock";
  10
  11         fd = p_creat(testlock, 0744); /* -V536 */
  12
  13         cl_must_pass(fd);
  14         cl_must_pass(p_close(fd));
  15
  16         cl_git_fail(git_filebuf_open(&file, test, 0, 0666));
  17         cl_assert(git_fs_path_exists(testlock));
  18
  19         cl_must_pass(p_unlink(testlock));
  20 }
  21
  22
  23 /* make sure GIT_FILEBUF_APPEND works as expected */
  24 void test_core_filebuf__1(void)
  25 {
  26         git_filebuf file = GIT_FILEBUF_INIT;
  27         char test[] = "test";
  28
  29         cl_git_mkfile(test, "libgit2 rocks\n");
  30
  31         cl_git_pass(git_filebuf_open(&file, test, GIT_FILEBUF_APPEND, 0666));
  32         cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
  33         cl_git_pass(git_filebuf_commit(&file));
  34
  35         cl_assert_equal_file("libgit2 rocks\nlibgit2 rocks\n", 0, test);
  36
  37         cl_must_pass(p_unlink(test));
  38 }
  39
  40
  41 /* make sure git_filebuf_write writes large buffer correctly */
  42 void test_core_filebuf__2(void)
  43 {
  44         git_filebuf file = GIT_FILEBUF_INIT;
  45         char test[] = "test";
  46         unsigned char buf[4096 * 4]; /* 2 * WRITE_BUFFER_SIZE */
  47
  48         memset(buf, 0xfe, sizeof(buf));
  49
  50         cl_git_pass(git_filebuf_open(&file, test, 0, 0666));
  51         cl_git_pass(git_filebuf_write(&file, buf, sizeof(buf)));
  52         cl_git_pass(git_filebuf_commit(&file));
  53
  54         cl_assert_equal_file((char *)buf, sizeof(buf), test);
  55
  56         cl_must_pass(p_unlink(test));
  57 }
  58
  59 /* make sure git_filebuf_cleanup clears the buffer */
  60 void test_core_filebuf__4(void)
  61 {
  62         git_filebuf file = GIT_FILEBUF_INIT;
  63         char test[] = "test";
  64
  65         cl_assert(file.buffer == NULL);
  66
  67         cl_git_pass(git_filebuf_open(&file, test, 0, 0666));
  68         cl_assert(file.buffer != NULL);
  69
  70         git_filebuf_cleanup(&file);
  71         cl_assert(file.buffer == NULL);
  72 }
  73
  74
  75 /* make sure git_filebuf_commit clears the buffer */
  76 void test_core_filebuf__5(void)
  77 {
  78         git_filebuf file = GIT_FILEBUF_INIT;
  79         char test[] = "test";
  80
  81         cl_assert(file.buffer == NULL);
  82
  83         cl_git_pass(git_filebuf_open(&file, test, 0, 0666));
  84         cl_assert(file.buffer != NULL);
  85         cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
  86         cl_assert(file.buffer != NULL);
  87
  88         cl_git_pass(git_filebuf_commit(&file));
  89         cl_assert(file.buffer == NULL);
  90
  91         cl_must_pass(p_unlink(test));
  92 }
  93
  94
  95 /* make sure git_filebuf_commit takes umask into account */
  96 void test_core_filebuf__umask(void)
  97 {
  98         git_filebuf file = GIT_FILEBUF_INIT;
  99         char test[] = "test";
 100         struct stat statbuf;
 101         mode_t mask, os_mask;
 102
 103 #ifdef GIT_WIN32
 104         os_mask = 0600;
 105 #else
 106         os_mask = 0777;
 107 #endif
 108
 109         p_umask(mask = p_umask(0));
 110
 111         cl_assert(file.buffer == NULL);
 112
 113         cl_git_pass(git_filebuf_open(&file, test, 0, 0666));
 114         cl_assert(file.buffer != NULL);
 115         cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
 116         cl_assert(file.buffer != NULL);
 117
 118         cl_git_pass(git_filebuf_commit(&file));
 119         cl_assert(file.buffer == NULL);
 120
 121         cl_must_pass(p_stat("test", &statbuf));
 122         cl_assert_equal_i(statbuf.st_mode & os_mask, (0666 & ~mask) & os_mask);
 123
 124         cl_must_pass(p_unlink(test));
 125 }
 126
 127 void test_core_filebuf__rename_error(void)
 128 {
 129         git_filebuf file = GIT_FILEBUF_INIT;
 130         char *dir = "subdir",  *test = "subdir/test", *test_lock = "subdir/test.lock";
 131         int fd;
 132
 133 #ifndef GIT_WIN32
 134         cl_skip();
 135 #endif
 136
 137         cl_git_pass(p_mkdir(dir, 0666));
 138         cl_git_mkfile(test, "dummy content");
 139         fd = p_open(test, O_RDONLY);
 140         cl_assert(fd > 0);
 141         cl_git_pass(git_filebuf_open(&file, test, 0, 0666));
 142
 143         cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
 144
 145         cl_assert_equal_i(true, git_fs_path_exists(test_lock));
 146
 147         cl_git_fail(git_filebuf_commit(&file));
 148         p_close(fd);
 149
 150         git_filebuf_cleanup(&file);
 151
 152         cl_assert_equal_i(false, git_fs_path_exists(test_lock));
 153 }
 154
 155 void test_core_filebuf__symlink_follow(void)
 156 {
 157         git_filebuf file = GIT_FILEBUF_INIT;
 158         const char *dir = "linkdir", *source = "linkdir/link";
 159
 160         if (!git_fs_path_supports_symlinks(clar_sandbox_path()))
 161                 cl_skip();
 162
 163         cl_git_pass(p_mkdir(dir, 0777));
 164         cl_git_pass(p_symlink("target", source));
 165
 166         cl_git_pass(git_filebuf_open(&file, source, 0, 0666));
 167         cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
 168
 169         cl_assert_equal_i(true, git_fs_path_exists("linkdir/target.lock"));
 170
 171         cl_git_pass(git_filebuf_commit(&file));
 172         cl_assert_equal_i(true, git_fs_path_exists("linkdir/target"));
 173
 174         git_filebuf_cleanup(&file);
 175
 176         /* The second time around, the target file does exist */
 177         cl_git_pass(git_filebuf_open(&file, source, 0, 0666));
 178         cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
 179
 180         cl_assert_equal_i(true, git_fs_path_exists("linkdir/target.lock"));
 181
 182         cl_git_pass(git_filebuf_commit(&file));
 183         cl_assert_equal_i(true, git_fs_path_exists("linkdir/target"));
 184
 185         git_filebuf_cleanup(&file);
 186         cl_git_pass(git_futils_rmdir_r(dir, NULL, GIT_RMDIR_REMOVE_FILES));
 187 }
 188
 189 void test_core_filebuf__symlink_follow_absolute_paths(void)
 190 {
 191         git_filebuf file = GIT_FILEBUF_INIT;
 192         git_str source = GIT_STR_INIT, target = GIT_STR_INIT;
 193
 194         if (!git_fs_path_supports_symlinks(clar_sandbox_path()))
 195                 cl_skip();
 196
 197         cl_git_pass(git_str_joinpath(&source, clar_sandbox_path(), "linkdir/link"));
 198         cl_git_pass(git_str_joinpath(&target, clar_sandbox_path(), "linkdir/target"));
 199         cl_git_pass(p_mkdir("linkdir", 0777));
 200         cl_git_pass(p_symlink(target.ptr, source.ptr));
 201
 202         cl_git_pass(git_filebuf_open(&file, source.ptr, 0, 0666));
 203         cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
 204
 205         cl_assert_equal_i(true, git_fs_path_exists("linkdir/target.lock"));
 206
 207         cl_git_pass(git_filebuf_commit(&file));
 208         cl_assert_equal_i(true, git_fs_path_exists("linkdir/target"));
 209
 210         git_filebuf_cleanup(&file);
 211         git_str_dispose(&source);
 212         git_str_dispose(&target);
 213
 214         cl_git_pass(git_futils_rmdir_r("linkdir", NULL, GIT_RMDIR_REMOVE_FILES));
 215 }
 216
 217 void test_core_filebuf__symlink_depth(void)
 218 {
 219         git_filebuf file = GIT_FILEBUF_INIT;
 220         const char *dir = "linkdir", *source = "linkdir/link";
 221
 222         if (!git_fs_path_supports_symlinks(clar_sandbox_path()))
 223                 cl_skip();
 224
 225         cl_git_pass(p_mkdir(dir, 0777));
 226         /* Endless loop */
 227         cl_git_pass(p_symlink("link", source));
 228
 229         cl_git_fail(git_filebuf_open(&file, source, 0, 0666));
 230
 231         cl_git_pass(git_futils_rmdir_r(dir, NULL, GIT_RMDIR_REMOVE_FILES));
 232 }
 233
 234 void test_core_filebuf__hidden_file(void)
 235 {
 236 #ifndef GIT_WIN32
 237         cl_skip();
 238 #else
 239         git_filebuf file = GIT_FILEBUF_INIT;
 240         char *dir = "hidden", *test = "hidden/test";
 241         bool hidden;
 242
 243         cl_git_pass(p_mkdir(dir, 0666));
 244         cl_git_mkfile(test, "dummy content");
 245
 246         cl_git_pass(git_win32__set_hidden(test, true));
 247         cl_git_pass(git_win32__hidden(&hidden, test));
 248         cl_assert(hidden);
 249
 250         cl_git_pass(git_filebuf_open(&file, test, 0, 0666));
 251
 252         cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
 253
 254         cl_git_pass(git_filebuf_commit(&file));
 255
 256         git_filebuf_cleanup(&file);
 257 #endif
 258 }
 259
 260 void test_core_filebuf__detects_directory(void)
 261 {
 262         git_filebuf file = GIT_FILEBUF_INIT;
 263
 264         cl_must_pass(p_mkdir("foo", 0777));
 265         cl_git_fail_with(GIT_EDIRECTORY, git_filebuf_open(&file, "foo", 0, 0666));
 266         cl_must_pass(p_rmdir("foo"));
 267 }