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 (git_futils_isdir(working_directory) == GIT_SUCCESS)
 108                 return GIT_ERROR;
 109
 110         git_path_join(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 #ifdef GIT_WIN32
 131                 if ((GetFileAttributes(repo->path_repository) & FILE_ATTRIBUTE_HIDDEN) == 0)
 132                         goto cleanup;
 133 #endif
 134
 135                 if (git_repository_is_bare(repo) == 1)
 136                         goto cleanup;
 137         } else if (git_repository_is_bare(repo) == 0)
 138                         goto cleanup;
 139
 140         if (git_repository_is_empty(repo) == 0)
 141                 goto cleanup;
 142
 143         git_repository_free(repo);
 144         git_futils_rmdir_r(working_directory, 1);
 145
 146         return GIT_SUCCESS;
 147
 148 cleanup:
 149         git_repository_free(repo);
 150         git_futils_rmdir_r(working_directory, 1);
 151         return GIT_ERROR;
 152 }
 153
 154 BEGIN_TEST(init0, "initialize a standard repo")
 155         char path_index[GIT_PATH_MAX], path_repository[GIT_PATH_MAX];
 156
 157         git_path_join(path_repository, TEMP_REPO_FOLDER, GIT_DIR);
 158         git_path_join(path_index, path_repository, GIT_INDEX_FILE);
 159
 160         must_pass(ensure_repository_init(TEMP_REPO_FOLDER, STANDARD_REPOSITORY, path_index, path_repository, TEMP_REPO_FOLDER));
 161         must_pass(ensure_repository_init(TEMP_REPO_FOLDER_NS, STANDARD_REPOSITORY, path_index, path_repository, TEMP_REPO_FOLDER));
 162 END_TEST
 163
 164 BEGIN_TEST(init1, "initialize a bare repo")
 165         char path_repository[GIT_PATH_MAX];
 166
 167         git_path_join(path_repository, TEMP_REPO_FOLDER, "");
 168
 169         must_pass(ensure_repository_init(TEMP_REPO_FOLDER, BARE_REPOSITORY, NULL, path_repository, NULL));
 170         must_pass(ensure_repository_init(TEMP_REPO_FOLDER_NS, BARE_REPOSITORY, NULL, path_repository, NULL));
 171 END_TEST
 172
 173 BEGIN_TEST(init2, "Initialize and open a bare repo with a relative path escaping out of the current working directory")
 174         char path_repository[GIT_PATH_MAX];
 175         char current_workdir[GIT_PATH_MAX];
 176         const int mode = 0755; /* or 0777 ? */
 177         git_repository* repo;
 178
 179         must_pass(p_getcwd(current_workdir, sizeof(current_workdir)));
 180
 181         git_path_join(path_repository, TEMP_REPO_FOLDER, "a/b/c/");
 182         must_pass(git_futils_mkdir_r(path_repository, mode));
 183
 184         must_pass(chdir(path_repository));
 185
 186         must_pass(git_repository_init(&repo, "../d/e.git", 1));
 187         must_pass(git__suffixcmp(repo->path_repository, "/a/b/d/e.git/"));
 188
 189         git_repository_free(repo);
 190
 191         must_pass(git_repository_open(&repo, "../d/e.git"));
 192
 193         git_repository_free(repo);
 194
 195         must_pass(chdir(current_workdir));
 196         must_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, 1));
 197 END_TEST
 198
 199 #define EMPTY_BARE_REPOSITORY_FOLDER TEST_RESOURCES "/empty_bare.git/"
 200
 201 BEGIN_TEST(open0, "Open a bare repository that has just been initialized by git")
 202         git_repository *repo;
 203
 204         must_pass(copydir_recurs(EMPTY_BARE_REPOSITORY_FOLDER, TEMP_REPO_FOLDER));
 205         must_pass(remove_placeholders(TEMP_REPO_FOLDER, "dummy-marker.txt"));
 206
 207         must_pass(git_repository_open(&repo, TEMP_REPO_FOLDER));
 208         must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
 209         must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) == NULL);
 210
 211         git_repository_free(repo);
 212         must_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, 1));
 213 END_TEST
 214
 215 BEGIN_TEST(open1, "Open a standard repository that has just been initialized by git")
 216         git_repository *repo;
 217
 218         must_pass(copydir_recurs(EMPTY_REPOSITORY_FOLDER, TEST_STD_REPO_FOLDER));
 219         must_pass(remove_placeholders(TEST_STD_REPO_FOLDER, "dummy-marker.txt"));
 220
 221         must_pass(git_repository_open(&repo, TEST_STD_REPO_FOLDER));
 222         must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
 223         must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) != NULL);
 224
 225         git_repository_free(repo);
 226         must_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, 1));
 227 END_TEST
 228
 229
 230 BEGIN_TEST(open2, "Open a bare repository with a relative path escaping out of the current working directory")
 231         char new_current_workdir[GIT_PATH_MAX];
 232         char current_workdir[GIT_PATH_MAX];
 233         char path_repository[GIT_PATH_MAX];
 234
 235         const int mode = 0755; /* or 0777 ? */
 236         git_repository* repo;
 237
 238         /* Setup the repository to open */
 239         must_pass(p_getcwd(current_workdir, sizeof(current_workdir)));
 240         strcpy(path_repository, current_workdir);
 241         git_path_join_n(path_repository, 3, path_repository, TEMP_REPO_FOLDER, "a/d/e.git");
 242         must_pass(copydir_recurs(REPOSITORY_FOLDER, path_repository));
 243
 244         /* Change the current working directory */
 245         git_path_join(new_current_workdir, TEMP_REPO_FOLDER, "a/b/c/");
 246         must_pass(git_futils_mkdir_r(new_current_workdir, mode));
 247         must_pass(chdir(new_current_workdir));
 248
 249         must_pass(git_repository_open(&repo, "../../d/e.git"));
 250
 251         git_repository_free(repo);
 252
 253         must_pass(chdir(current_workdir));
 254         must_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, 1));
 255 END_TEST
 256
 257 BEGIN_TEST(empty0, "test if a repository is empty or not")
 258
 259         git_repository *repo_empty, *repo_normal;
 260
 261         must_pass(git_repository_open(&repo_normal, REPOSITORY_FOLDER));
 262         must_be_true(git_repository_is_empty(repo_normal) == 0);
 263         git_repository_free(repo_normal);
 264
 265         must_pass(git_repository_open(&repo_empty, EMPTY_BARE_REPOSITORY_FOLDER));
 266         must_be_true(git_repository_is_empty(repo_empty) == 1);
 267         git_repository_free(repo_empty);
 268 END_TEST
 269
 270 BEGIN_TEST(detached0, "test if HEAD is detached")
 271         git_repository *repo;
 272         git_reference *ref;
 273         git_oid oid;
 274
 275         must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));
 276
 277         must_be_true(git_repository_head_detached(repo) == 0);
 278
 279         /* detach the HEAD */
 280         git_oid_fromstr(&oid, "c47800c7266a2be04c571c04d5a6614691ea99bd");
 281         must_pass(git_reference_create_oid(&ref, repo, "HEAD", &oid, 1));
 282         must_be_true(git_repository_head_detached(repo) == 1);
 283
 284         /* take the reop back to it's original state */
 285         must_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));
 286         must_be_true(git_repository_head_detached(repo) == 0);
 287
 288         git_repository_free(repo);
 289 END_TEST
 290
 291 BEGIN_TEST(orphan0, "test if HEAD is orphan")
 292         git_repository *repo;
 293         git_reference *ref;
 294
 295         must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));
 296
 297         must_be_true(git_repository_head_orphan(repo) == 0);
 298
 299         /* orphan HEAD */
 300         must_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/orphan", 1));
 301         must_be_true(git_repository_head_orphan(repo) == 1);
 302
 303         /* take the reop back to it's original state */
 304         must_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));
 305         must_be_true(git_repository_head_orphan(repo) == 0);
 306
 307         git_repository_free(repo);
 308 END_TEST
 309
 310 #define DISCOVER_FOLDER TEMP_REPO_FOLDER "discover.git"
 311
 312 #define SUB_REPOSITORY_FOLDER_NAME "sub_repo"
 313 #define SUB_REPOSITORY_FOLDER DISCOVER_FOLDER "/" SUB_REPOSITORY_FOLDER_NAME
 314 #define SUB_REPOSITORY_FOLDER_SUB SUB_REPOSITORY_FOLDER "/sub"
 315 #define SUB_REPOSITORY_FOLDER_SUB_SUB SUB_REPOSITORY_FOLDER_SUB "/subsub"
 316 #define SUB_REPOSITORY_FOLDER_SUB_SUB_SUB SUB_REPOSITORY_FOLDER_SUB_SUB "/subsubsub"
 317
 318 #define REPOSITORY_ALTERNATE_FOLDER DISCOVER_FOLDER "/alternate_sub_repo"
 319 #define REPOSITORY_ALTERNATE_FOLDER_SUB REPOSITORY_ALTERNATE_FOLDER "/sub"
 320 #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB "/subsub"
 321 #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/subsubsub"
 322
 323 #define ALTERNATE_MALFORMED_FOLDER1 DISCOVER_FOLDER "/alternate_malformed_repo1"
 324 #define ALTERNATE_MALFORMED_FOLDER2 DISCOVER_FOLDER "/alternate_malformed_repo2"
 325 #define ALTERNATE_MALFORMED_FOLDER3 DISCOVER_FOLDER "/alternate_malformed_repo3"
 326 #define ALTERNATE_NOT_FOUND_FOLDER DISCOVER_FOLDER "/alternate_not_found_repo"
 327
 328 static int ensure_repository_discover(const char *start_path, const char *ceiling_dirs, const char *expected_path)
 329 {
 330         int error;
 331         char found_path[GIT_PATH_MAX];
 332
 333         error = git_repository_discover(found_path, sizeof(found_path), start_path, 0, ceiling_dirs);
 334         //across_fs is always 0 as we can't automate the filesystem change tests
 335
 336         if (error < GIT_SUCCESS)
 337                 return error;
 338
 339         return strcmp(found_path, expected_path) ? GIT_ERROR : GIT_SUCCESS;
 340 }
 341
 342 static int write_file(const char *path, const char *content)
 343 {
 344         int error;
 345         git_file file;
 346
 347         if (git_futils_exists(path) == GIT_SUCCESS) {
 348                 error = p_unlink(path);
 349
 350                 if (error < GIT_SUCCESS)
 351                         return error;
 352         }
 353
 354         file = git_futils_creat_withpath(path, 0644);
 355         if (file < GIT_SUCCESS)
 356                 return file;
 357
 358         error = p_write(file, content, strlen(content) * sizeof(char));
 359
 360         p_close(file);
 361
 362         return error;
 363 }
 364
 365 //no check is performed on ceiling_dirs length, so be sure it's long enough
 366 static int append_ceiling_dir(char *ceiling_dirs, const char *path)
 367 {
 368         int len = strlen(ceiling_dirs);
 369         int error;
 370
 371         error = git_path_prettify_dir(ceiling_dirs + len + (len ? 1 : 0), path, NULL);
 372         if (error < GIT_SUCCESS)
 373                 return git__rethrow(error, "Failed to append ceiling directory.");
 374
 375         if (len)
 376                 ceiling_dirs[len] = GIT_PATH_LIST_SEPARATOR;
 377
 378         return GIT_SUCCESS;
 379 }
 380
 381 BEGIN_TEST(discover0, "test discover")
 382         git_repository *repo;
 383         char ceiling_dirs[GIT_PATH_MAX * 2] = "";
 384         char repository_path[GIT_PATH_MAX];
 385         char sub_repository_path[GIT_PATH_MAX];
 386         char found_path[GIT_PATH_MAX];
 387         int mode = 0755;
 388
 389         git_futils_mkdir_r(DISCOVER_FOLDER, mode);
 390         must_pass(append_ceiling_dir(ceiling_dirs, TEMP_REPO_FOLDER));
 391
 392         must_be_true(git_repository_discover(repository_path, sizeof(repository_path), DISCOVER_FOLDER, 0, ceiling_dirs) == GIT_ENOTAREPO);
 393
 394         must_pass(git_repository_init(&repo, DISCOVER_FOLDER, 1));
 395         must_pass(git_repository_discover(repository_path, sizeof(repository_path), DISCOVER_FOLDER, 0, ceiling_dirs));
 396         git_repository_free(repo);
 397
 398         must_pass(git_repository_init(&repo, SUB_REPOSITORY_FOLDER, 0));
 399         must_pass(git_futils_mkdir_r(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
 400         must_pass(git_repository_discover(sub_repository_path, sizeof(sub_repository_path), SUB_REPOSITORY_FOLDER, 0, ceiling_dirs));
 401
 402         must_pass(git_futils_mkdir_r(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
 403         must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB, ceiling_dirs, sub_repository_path));
 404         must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
 405         must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, ceiling_dirs, sub_repository_path));
 406
 407         must_pass(git_futils_mkdir_r(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, mode));
 408         must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER "/" DOT_GIT, "gitdir: ../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT));
 409         must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/" DOT_GIT, "gitdir: ../../../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT));
 410         must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB "/" DOT_GIT, "gitdir: ../../../../"));
 411         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, sub_repository_path));
 412         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, sub_repository_path));
 413         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
 414         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, repository_path));
 415
 416         must_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER1, mode));
 417         must_pass(write_file(ALTERNATE_MALFORMED_FOLDER1 "/" DOT_GIT, "Anything but not gitdir:"));
 418         must_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER2, mode));
 419         must_pass(write_file(ALTERNATE_MALFORMED_FOLDER2 "/" DOT_GIT, "gitdir:"));
 420         must_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER3, mode));
 421         must_pass(write_file(ALTERNATE_MALFORMED_FOLDER3 "/" DOT_GIT, "gitdir: \n\n\n"));
 422         must_pass(git_futils_mkdir_r(ALTERNATE_NOT_FOUND_FOLDER, mode));
 423         must_pass(write_file(ALTERNATE_NOT_FOUND_FOLDER "/" DOT_GIT, "gitdir: a_repository_that_surely_does_not_exist"));
 424         must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER1, 0, ceiling_dirs));
 425         must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER2, 0, ceiling_dirs));
 426         must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER3, 0, ceiling_dirs));
 427         must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_NOT_FOUND_FOLDER, 0, ceiling_dirs));
 428
 429         must_pass(append_ceiling_dir(ceiling_dirs, SUB_REPOSITORY_FOLDER));
 430         //this must pass as ceiling_directories cannot predent the current
 431         //working directory to be checked
 432         must_pass(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER, 0, ceiling_dirs));
 433         must_fail(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB, 0, ceiling_dirs));
 434         must_fail(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB_SUB, 0, ceiling_dirs));
 435         must_fail(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, 0, ceiling_dirs));
 436
 437         //.gitfile redirection should not be affected by ceiling directories
 438         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, sub_repository_path));
 439         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, sub_repository_path));
 440         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
 441         must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, repository_path));
 442
 443         must_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, 1));
 444         git_repository_free(repo);
 445 END_TEST
 446
 447 BEGIN_SUITE(repository)
 448         ADD_TEST(odb0);
 449         ADD_TEST(odb1);
 450         ADD_TEST(init0);
 451         ADD_TEST(init1);
 452         ADD_TEST(init2);
 453         ADD_TEST(open0);
 454         ADD_TEST(open1);
 455         ADD_TEST(open2);
 456         ADD_TEST(empty0);
 457         ADD_TEST(detached0);
 458         ADD_TEST(orphan0);
 459         ADD_TEST(discover0);
 460 END_SUITE
 461