tests/t12-repo.c

   1 /*
   2  * This file is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License, version 2,
   4  * as published by the Free Software Foundation.
   5  *
   6  * In addition to the permissions in the GNU General Public License,
   7  * the authors give you unlimited permission to link the compiled
   8  * version of this file into combinations with other programs,
   9  * and to distribute those combinations without any restriction
  10  * coming from the use of this file.  (The General Public License
  11  * restrictions do apply in other respects; for example, they cover
  12  * modification of the file, and distribution when not linked into
  13  * a combined executable.)
  14  *
  15  * This file is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; see the file COPYING.  If not, write to
  22  * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  23  * Boston, MA 02110-1301, USA.
  24  */
  25 #include "test_lib.h"
  26 #include "test_helpers.h"
  27
  28 #include "odb.h"
  29 #include "git2/odb_backend.h"
  30 #include "repository.h"
  31
  32 typedef struct {
  33         git_odb_backend base;
  34         int position;
  35 } fake_backend;
  36
  37 git_odb_backend *new_backend(int position)
  38 {
  39         fake_backend *b;
  40
  41         b = git__malloc(sizeof(fake_backend));
  42         if (b == NULL)
  43                 return NULL;
  44
  45         memset(b, 0x0, sizeof(fake_backend));
  46         b->position = position;
  47         return (git_odb_backend *)b;
  48 }
  49
  50 int test_backend_sorting(git_odb *odb)
  51 {
  52         unsigned int i;
  53
  54         for (i = 0; i < odb->backends.length; ++i) {
  55                 fake_backend *internal = *((fake_backend **)git_vector_get(&odb->backends, i));
  56
  57                 if (internal == NULL)
  58                         return GIT_ERROR;
  59
  60                 if (internal->position != (int)i)
  61                         return GIT_ERROR;
  62         }
  63
  64         return GIT_SUCCESS;
  65 }
  66
  67 BEGIN_TEST(odb0, "assure that ODB backends are properly sorted")
  68         git_odb *odb;
  69         must_pass(git_odb_new(&odb));
  70         must_pass(git_odb_add_backend(odb, new_backend(0), 5));
  71         must_pass(git_odb_add_backend(odb, new_backend(2), 3));
  72         must_pass(git_odb_add_backend(odb, new_backend(1), 4));
  73         must_pass(git_odb_add_backend(odb, new_backend(3), 1));
  74         must_pass(test_backend_sorting(odb));
  75         git_odb_close(odb);
  76 END_TEST
  77
  78 BEGIN_TEST(odb1, "assure that alternate backends are properly sorted")
  79         git_odb *odb;
  80         must_pass(git_odb_new(&odb));
  81         must_pass(git_odb_add_backend(odb, new_backend(0), 5));
  82         must_pass(git_odb_add_backend(odb, new_backend(2), 3));
  83         must_pass(git_odb_add_backend(odb, new_backend(1), 4));
  84         must_pass(git_odb_add_backend(odb, new_backend(3), 1));
  85         must_pass(git_odb_add_alternate(odb, new_backend(4), 5));
  86         must_pass(git_odb_add_alternate(odb, new_backend(6), 3));
  87         must_pass(git_odb_add_alternate(odb, new_backend(5), 4));
  88         must_pass(git_odb_add_alternate(odb, new_backend(7), 1));
  89         must_pass(test_backend_sorting(odb));
  90         git_odb_close(odb);
  91 END_TEST
  92
  93
  94 #define STANDARD_REPOSITORY 0
  95 #define BARE_REPOSITORY 1
  96
  97 static int ensure_repository_init(
  98         const char *working_directory,
  99         int repository_kind,
 100         const char *expected_path_index,
 101         const char *expected_path_repository,
 102         const char *expected_working_directory)
 103 {
 104         char path_odb[GIT_PATH_MAX];
 105         git_repository *repo;
 106
 107         if (gitfo_isdir(working_directory) == GIT_SUCCESS)
 108                 return GIT_ERROR;
 109
 110         git__joinpath(path_odb, expected_path_repository, GIT_OBJECTS_DIR);
 111
 112         if (git_repository_init(&repo, working_directory, repository_kind) < GIT_SUCCESS)
 113                 return GIT_ERROR;
 114
 115         if (repo->path_workdir != NULL || expected_working_directory != NULL) {
 116                 if (git__suffixcmp(repo->path_workdir, expected_working_directory) != 0)
 117                         goto cleanup;
 118         }
 119
 120         if (git__suffixcmp(repo->path_odb, path_odb) != 0)
 121                 goto cleanup;
 122
 123         if (git__suffixcmp(repo->path_repository, expected_path_repository) != 0)
 124                 goto cleanup;
 125
 126         if (repo->path_index != NULL || expected_path_index != NULL) {
 127                 if (git__suffixcmp(repo->path_index, expected_path_index) != 0)
 128                         goto cleanup;
 129
 130                 if (git_repository_is_bare(repo) == 1)
 131                         goto cleanup;
 132         } else if (git_repository_is_bare(repo) == 0)
 133                         goto cleanup;
 134
 135         if (git_repository_is_empty(repo) == 0)
 136                 goto cleanup;
 137
 138         git_repository_free(repo);
 139         rmdir_recurs(working_directory);
 140
 141         return GIT_SUCCESS;
 142
 143 cleanup:
 144         git_repository_free(repo);
 145         rmdir_recurs(working_directory);
 146         return GIT_ERROR;
 147 }
 148
 149 BEGIN_TEST(init0, "initialize a standard repo")
 150         char path_index[GIT_PATH_MAX], path_repository[GIT_PATH_MAX];
 151
 152         git__joinpath(path_repository, TEMP_REPO_FOLDER, GIT_DIR);
 153         git__joinpath(path_index, path_repository, GIT_INDEX_FILE);
 154
 155         must_pass(ensure_repository_init(TEMP_REPO_FOLDER, STANDARD_REPOSITORY, path_index, path_repository, TEMP_REPO_FOLDER));
 156         must_pass(ensure_repository_init(TEMP_REPO_FOLDER_NS, STANDARD_REPOSITORY, path_index, path_repository, TEMP_REPO_FOLDER));
 157 END_TEST
 158
 159 BEGIN_TEST(init1, "initialize a bare repo")
 160         char path_repository[GIT_PATH_MAX];
 161
 162         git__joinpath(path_repository, TEMP_REPO_FOLDER, "");
 163
 164         must_pass(ensure_repository_init(TEMP_REPO_FOLDER, BARE_REPOSITORY, NULL, path_repository, NULL));
 165         must_pass(ensure_repository_init(TEMP_REPO_FOLDER_NS, BARE_REPOSITORY, NULL, path_repository, NULL));
 166 END_TEST
 167
 168 BEGIN_TEST(init2, "Initialize and open a bare repo with a relative path escaping out of the current working directory")
 169         char path_repository[GIT_PATH_MAX];
 170         char current_workdir[GIT_PATH_MAX];
 171         const int mode = 0755; /* or 0777 ? */
 172         git_repository* repo;
 173
 174         must_pass(gitfo_getcwd(current_workdir, sizeof(current_workdir)));
 175
 176         git__joinpath(path_repository, TEMP_REPO_FOLDER, "a/b/c/");
 177         must_pass(gitfo_mkdir_recurs(path_repository, mode));
 178
 179         must_pass(chdir(path_repository));
 180
 181         must_pass(git_repository_init(&repo, "../d/e.git", 1));
 182         must_pass(git__suffixcmp(repo->path_repository, "/a/b/d/e.git/"));
 183
 184         git_repository_free(repo);
 185
 186         must_pass(git_repository_open(&repo, "../d/e.git"));
 187
 188         git_repository_free(repo);
 189
 190         must_pass(chdir(current_workdir));
 191         rmdir_recurs(TEMP_REPO_FOLDER);
 192 END_TEST
 193
 194 #define EMPTY_BARE_REPOSITORY_NAME              "empty_bare.git"
 195 #define EMPTY_BARE_REPOSITORY_FOLDER    TEST_RESOURCES "/" EMPTY_BARE_REPOSITORY_NAME "/"
 196
 197 BEGIN_TEST(open0, "Open a bare repository that has just been initialized by git")
 198         git_repository *repo;
 199
 200         must_pass(copydir_recurs(EMPTY_BARE_REPOSITORY_FOLDER, TEMP_REPO_FOLDER));
 201         must_pass(remove_placeholders(TEMP_REPO_FOLDER, "dummy-marker.txt"));
 202
 203         must_pass(git_repository_open(&repo, TEMP_REPO_FOLDER));
 204         must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
 205         must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) == NULL);
 206
 207         git_repository_free(repo);
 208         must_pass(rmdir_recurs(TEMP_REPO_FOLDER));
 209 END_TEST
 210
 211 #define SOURCE_EMPTY_REPOSITORY_NAME    "empty_standard_repo/.gitted"
 212 #define EMPTY_REPOSITORY_NAME                   "empty_standard_repo/.git"
 213 #define EMPTY_REPOSITORY_FOLDER                 TEST_RESOURCES "/" SOURCE_EMPTY_REPOSITORY_NAME "/"
 214 #define DEST_REPOSITORY_FOLDER                  TEMP_REPO_FOLDER DOT_GIT "/"
 215
 216 BEGIN_TEST(open1, "Open a standard repository that has just been initialized by git")
 217         git_repository *repo;
 218
 219         must_pass(copydir_recurs(EMPTY_REPOSITORY_FOLDER, DEST_REPOSITORY_FOLDER));
 220         must_pass(remove_placeholders(DEST_REPOSITORY_FOLDER, "dummy-marker.txt"));
 221
 222         must_pass(git_repository_open(&repo, DEST_REPOSITORY_FOLDER));
 223         must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
 224         must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) != NULL);
 225
 226         git_repository_free(repo);
 227         must_pass(rmdir_recurs(TEMP_REPO_FOLDER));
 228 END_TEST
 229
 230
 231 BEGIN_TEST(open2, "Open a bare repository with a relative path escaping out of the current working directory")
 232         char new_current_workdir[GIT_PATH_MAX];
 233         char current_workdir[GIT_PATH_MAX];
 234         char path_repository[GIT_PATH_MAX];
 235
 236         const int mode = 0755; /* or 0777 ? */
 237         git_repository* repo;
 238
 239         /* Setup the repository to open */
 240         must_pass(gitfo_getcwd(current_workdir, sizeof(current_workdir)));
 241         strcpy(path_repository, current_workdir);
 242         git__joinpath_n(path_repository, 3, path_repository, TEMP_REPO_FOLDER, "a/d/e.git");
 243         must_pass(copydir_recurs(REPOSITORY_FOLDER, path_repository));
 244
 245         /* Change the current working directory */
 246         git__joinpath(new_current_workdir, TEMP_REPO_FOLDER, "a/b/c/");
 247         must_pass(gitfo_mkdir_recurs(new_current_workdir, mode));
 248         must_pass(chdir(new_current_workdir));
 249
 250         must_pass(git_repository_open(&repo, "../../d/e.git"));
 251
 252         git_repository_free(repo);
 253
 254         must_pass(chdir(current_workdir));
 255         rmdir_recurs(TEMP_REPO_FOLDER);
 256 END_TEST
 257
 258 BEGIN_TEST(empty0, "test if a repository is empty or not")
 259
 260         git_repository *repo_empty, *repo_normal;
 261
 262         must_pass(git_repository_open(&repo_normal, REPOSITORY_FOLDER));
 263         must_be_true(git_repository_is_empty(repo_normal) == 0);
 264         git_repository_free(repo_normal);
 265
 266         must_pass(git_repository_open(&repo_empty, EMPTY_BARE_REPOSITORY_FOLDER));
 267         must_be_true(git_repository_is_empty(repo_empty) == 1);
 268         git_repository_free(repo_empty);
 269 END_TEST
 270
 271 #define DISCOVER_FOLDER TEST_RESOURCES "/discover.git"
 272
 273 #define SUB_REPOSITORY_FOLDER_NAME "sub_repo"
 274 #define SUB_REPOSITORY_FOLDER DISCOVER_FOLDER "/" SUB_REPOSITORY_FOLDER_NAME
 275 #define SUB_REPOSITORY_FOLDER_SUB SUB_REPOSITORY_FOLDER "/sub"
 276 #define SUB_REPOSITORY_FOLDER_SUB_SUB SUB_REPOSITORY_FOLDER_SUB "/subsub"
 277 #define SUB_REPOSITORY_FOLDER_SUB_SUB_SUB SUB_REPOSITORY_FOLDER_SUB_SUB "/subsubsub"
 278
 279 #define REPOSITORY_ALTERNATE_FOLDER DISCOVER_FOLDER "/alternate_sub_repo"
 280 #define REPOSITORY_ALTERNATE_FOLDER_SUB REPOSITORY_ALTERNATE_FOLDER "/sub"
 281 #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB "/subsub"
 282 #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/subsubsub"
 283
 284 #define ALTERNATE_MALFORMED_FOLDER1 DISCOVER_FOLDER "/alternate_malformed_repo1"
 285 #define ALTERNATE_MALFORMED_FOLDER2 DISCOVER_FOLDER "/alternate_malformed_repo2"
 286 #define ALTERNATE_MALFORMED_FOLDER3 DISCOVER_FOLDER "/alternate_malformed_repo3"
 287 #define ALTERNATE_NOT_FOUND_FOLDER DISCOVER_FOLDER "/alternate_not_found_repo"
 288
 289 static int ensure_repository_discover(const char *start_path, const char *ceiling_dirs, const char *expected_path)
 290 {
 291         int error;
 292         char found_path[GIT_PATH_MAX];
 293
 294         error = git_repository_discover(found_path, sizeof(found_path), start_path, 0, ceiling_dirs);
 295         //across_fs is always 0 as we can't automate the filesystem change tests
 296
 297         if (error < GIT_SUCCESS)
 298                 return error;
 299
 300         return strcmp(found_path, expected_path) ? GIT_ERROR : GIT_SUCCESS;
 301 }
 302
 303 static int write_file(const char *path, const char *content)
 304 {
 305         int error;
 306         git_file file;
 307
 308         if (gitfo_exists(path) == GIT_SUCCESS) {
 309                 error = gitfo_unlink(path);
 310
 311                 if (error < GIT_SUCCESS)
 312                         return error;
 313         }
 314
 315         file = gitfo_creat_force(path, 0644);
 316         if (file < GIT_SUCCESS)
 317                 return file;
 318
 319         error = gitfo_write(file, (void*)content, strlen(content) * sizeof(char));
 320
 321         gitfo_close(file);
 322
 323         return error;
 324 }
 325
 326 //no check is performed on ceiling_dirs length, so be sure it's long enough
 327 static int append_ceiling_dir(char *ceiling_dirs, const char *path)
 328 {
 329         int len = strlen(ceiling_dirs);
 330         int error;
 331
 332         error = gitfo_prettify_dir_path(ceiling_dirs + len + (len ? 1 : 0), GIT_PATH_MAX, path, NULL);
 333         if (error < GIT_SUCCESS)
 334                 return git__rethrow(error, "Failed to append ceiling directory.");
 335
 336         if (len)
 337                 ceiling_dirs[len] = ':';
 338
 339         return GIT_SUCCESS;
 340 }
 341
 342 BEGIN_TEST(discover0, "test discover")
 343         git_repository *repo;
 344         char ceiling_dirs[GIT_PATH_MAX * 2] = "";
 345         char repository_path[GIT_PATH_MAX];
 346         char sub_repository_path[GIT_PATH_MAX];
 347         char found_path[GIT_PATH_MAX];
 348         int mode = 0755;
 349
 350         rmdir_recurs(DISCOVER_FOLDER);
 351         must_pass(append_ceiling_dir(ceiling_dirs,TEST_RESOURCES));
 352         gitfo_mkdir_recurs(DISCOVER_FOLDER, mode);
 353
 354         must_be_true(git_repository_discover(repository_path, sizeof(repository_path), DISCOVER_FOLDER, 0, ceiling_dirs) == GIT_ENOTAREPO);
 355
 356         must_pass(git_repository_init(&repo, DISCOVER_FOLDER, 1));
 357         must_pass(git_repository_discover(repository_path, sizeof(repository_path), DISCOVER_FOLDER, 0, ceiling_dirs));
 358
 359         must_pass(git_repository_init(&repo, SUB_REPOSITORY_FOLDER, 0));
 360         must_pass(gitfo_mkdir_recurs(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
 361         must_pass(git_repository_discover(sub_repository_path, sizeof(sub_repository_path), SUB_REPOSITORY_FOLDER, 0, ceiling_dirs));
 362
 363         must_pass(gitfo_mkdir_recurs(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
 364         must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB, ceiling_dirs, sub_repository_path));
 365         must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
 366         must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, ceiling_dirs, sub_repository_path));
 367
 368         must_pass(gitfo_mkdir_recurs(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, mode));
 369         must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER "/" DOT_GIT, "gitdir: ../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT));
 370         must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/" DOT_GIT, "gitdir: ../../../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT));
 371         must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB "/" DOT_GIT, "gitdir: ../../../../"));
 372         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, sub_repository_path));
 373         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, sub_repository_path));
 374         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
 375         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, repository_path));
 376
 377         must_pass(gitfo_mkdir_recurs(ALTERNATE_MALFORMED_FOLDER1, mode));
 378         must_pass(write_file(ALTERNATE_MALFORMED_FOLDER1 "/" DOT_GIT, "Anything but not gitdir:"));
 379         must_pass(gitfo_mkdir_recurs(ALTERNATE_MALFORMED_FOLDER2, mode));
 380         must_pass(write_file(ALTERNATE_MALFORMED_FOLDER2 "/" DOT_GIT, "gitdir:"));
 381         must_pass(gitfo_mkdir_recurs(ALTERNATE_MALFORMED_FOLDER3, mode));
 382         must_pass(write_file(ALTERNATE_MALFORMED_FOLDER3 "/" DOT_GIT, "gitdir: \n\n\n"));
 383         must_pass(gitfo_mkdir_recurs(ALTERNATE_NOT_FOUND_FOLDER, mode));
 384         must_pass(write_file(ALTERNATE_NOT_FOUND_FOLDER "/" DOT_GIT, "gitdir: a_repository_that_surely_does_not_exist"));
 385         must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER1, 0, ceiling_dirs));
 386         must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER2, 0, ceiling_dirs));
 387         must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER3, 0, ceiling_dirs));
 388         must_be_true(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_NOT_FOUND_FOLDER, 0, ceiling_dirs) == GIT_ENOTAREPO);
 389
 390         must_pass(append_ceiling_dir(ceiling_dirs, SUB_REPOSITORY_FOLDER));
 391         //this must pass as ceiling_directories cannot predent the current
 392         //working directory to be checked
 393         must_pass(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER, 0, ceiling_dirs));
 394         must_be_true(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB, 0, ceiling_dirs) == GIT_ENOTAREPO);
 395         must_be_true(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB_SUB, 0, ceiling_dirs) == GIT_ENOTAREPO);
 396         must_be_true(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, 0, ceiling_dirs) == GIT_ENOTAREPO);
 397
 398         //.gitfile redirection should not be affected by ceiling directories
 399         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, sub_repository_path));
 400         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, sub_repository_path));
 401         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
 402         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, repository_path));
 403
 404         rmdir_recurs(DISCOVER_FOLDER);
 405 END_TEST
 406
 407 BEGIN_SUITE(repository)
 408         ADD_TEST(odb0);
 409         ADD_TEST(odb1);
 410         ADD_TEST(init0);
 411         ADD_TEST(init1);
 412         ADD_TEST(init2);
 413         ADD_TEST(open0);
 414         ADD_TEST(open1);
 415         ADD_TEST(open2);
 416         ADD_TEST(empty0);
 417         ADD_TEST(discover0);
 418 END_SUITE
 419