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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 #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 rmdir_recurs(working_directory);
145
146 return GIT_SUCCESS;
147
148 cleanup:
149 git_repository_free(repo);
150 rmdir_recurs(working_directory);
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__joinpath(path_repository, TEMP_REPO_FOLDER, GIT_DIR);
158 git__joinpath(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__joinpath(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(gitfo_getcwd(current_workdir, sizeof(current_workdir)));
180
181 git__joinpath(path_repository, TEMP_REPO_FOLDER, "a/b/c/");
182 must_pass(gitfo_mkdir_recurs(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 rmdir_recurs(TEMP_REPO_FOLDER);
197 END_TEST
198
199 #define EMPTY_BARE_REPOSITORY_NAME "empty_bare.git"
200 #define EMPTY_BARE_REPOSITORY_FOLDER TEST_RESOURCES "/" EMPTY_BARE_REPOSITORY_NAME "/"
201
202 BEGIN_TEST(open0, "Open a bare repository that has just been initialized by git")
203 git_repository *repo;
204
205 must_pass(copydir_recurs(EMPTY_BARE_REPOSITORY_FOLDER, TEMP_REPO_FOLDER));
206 must_pass(remove_placeholders(TEMP_REPO_FOLDER, "dummy-marker.txt"));
207
208 must_pass(git_repository_open(&repo, TEMP_REPO_FOLDER));
209 must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
210 must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) == NULL);
211
212 git_repository_free(repo);
213 must_pass(rmdir_recurs(TEMP_REPO_FOLDER));
214 END_TEST
215
216 #define SOURCE_EMPTY_REPOSITORY_NAME "empty_standard_repo/.gitted"
217 #define EMPTY_REPOSITORY_NAME "empty_standard_repo/.git"
218 #define EMPTY_REPOSITORY_FOLDER TEST_RESOURCES "/" SOURCE_EMPTY_REPOSITORY_NAME "/"
219 #define DEST_REPOSITORY_FOLDER TEMP_REPO_FOLDER DOT_GIT "/"
220
221 BEGIN_TEST(open1, "Open a standard repository that has just been initialized by git")
222 git_repository *repo;
223
224 must_pass(copydir_recurs(EMPTY_REPOSITORY_FOLDER, DEST_REPOSITORY_FOLDER));
225 must_pass(remove_placeholders(DEST_REPOSITORY_FOLDER, "dummy-marker.txt"));
226
227 must_pass(git_repository_open(&repo, DEST_REPOSITORY_FOLDER));
228 must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
229 must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) != NULL);
230
231 git_repository_free(repo);
232 must_pass(rmdir_recurs(TEMP_REPO_FOLDER));
233 END_TEST
234
235
236 BEGIN_TEST(open2, "Open a bare repository with a relative path escaping out of the current working directory")
237 char new_current_workdir[GIT_PATH_MAX];
238 char current_workdir[GIT_PATH_MAX];
239 char path_repository[GIT_PATH_MAX];
240
241 const int mode = 0755; /* or 0777 ? */
242 git_repository* repo;
243
244 /* Setup the repository to open */
245 must_pass(gitfo_getcwd(current_workdir, sizeof(current_workdir)));
246 strcpy(path_repository, current_workdir);
247 git__joinpath_n(path_repository, 3, path_repository, TEMP_REPO_FOLDER, "a/d/e.git");
248 must_pass(copydir_recurs(REPOSITORY_FOLDER, path_repository));
249
250 /* Change the current working directory */
251 git__joinpath(new_current_workdir, TEMP_REPO_FOLDER, "a/b/c/");
252 must_pass(gitfo_mkdir_recurs(new_current_workdir, mode));
253 must_pass(chdir(new_current_workdir));
254
255 must_pass(git_repository_open(&repo, "../../d/e.git"));
256
257 git_repository_free(repo);
258
259 must_pass(chdir(current_workdir));
260 rmdir_recurs(TEMP_REPO_FOLDER);
261 END_TEST
262
263 BEGIN_TEST(empty0, "test if a repository is empty or not")
264
265 git_repository *repo_empty, *repo_normal;
266
267 must_pass(git_repository_open(&repo_normal, REPOSITORY_FOLDER));
268 must_be_true(git_repository_is_empty(repo_normal) == 0);
269 git_repository_free(repo_normal);
270
271 must_pass(git_repository_open(&repo_empty, EMPTY_BARE_REPOSITORY_FOLDER));
272 must_be_true(git_repository_is_empty(repo_empty) == 1);
273 git_repository_free(repo_empty);
274 END_TEST
275
276 BEGIN_TEST(detached0, "test if HEAD is detached")
277 git_repository *repo;
278 git_reference *ref;
279 git_oid oid;
280
281 must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));
282
283 must_be_true(git_repository_head_detached(repo) == 0);
284
285 /* detach the HEAD */
286 git_oid_fromstr(&oid, "c47800c7266a2be04c571c04d5a6614691ea99bd");
287 must_pass(git_reference_create_oid(&ref, repo, "HEAD", &oid, 1));
288 must_be_true(git_repository_head_detached(repo) == 1);
289
290 /* take the reop back to it's original state */
291 must_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));
292 must_be_true(git_repository_head_detached(repo) == 0);
293
294 git_repository_free(repo);
295 END_TEST
296
297 BEGIN_TEST(orphan0, "test if HEAD is orphan")
298 git_repository *repo;
299 git_reference *ref;
300
301 must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));
302
303 must_be_true(git_repository_head_orphan(repo) == 0);
304
305 /* orphan HEAD */
306 must_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/orphan", 1));
307 must_be_true(git_repository_head_orphan(repo) == 1);
308
309 /* take the reop back to it's original state */
310 must_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));
311 must_be_true(git_repository_head_orphan(repo) == 0);
312
313 git_repository_free(repo);
314 END_TEST
315
316 #define DISCOVER_FOLDER TEST_RESOURCES "/discover.git"
317
318 #define SUB_REPOSITORY_FOLDER_NAME "sub_repo"
319 #define SUB_REPOSITORY_FOLDER DISCOVER_FOLDER "/" SUB_REPOSITORY_FOLDER_NAME
320 #define SUB_REPOSITORY_FOLDER_SUB SUB_REPOSITORY_FOLDER "/sub"
321 #define SUB_REPOSITORY_FOLDER_SUB_SUB SUB_REPOSITORY_FOLDER_SUB "/subsub"
322 #define SUB_REPOSITORY_FOLDER_SUB_SUB_SUB SUB_REPOSITORY_FOLDER_SUB_SUB "/subsubsub"
323
324 #define REPOSITORY_ALTERNATE_FOLDER DISCOVER_FOLDER "/alternate_sub_repo"
325 #define REPOSITORY_ALTERNATE_FOLDER_SUB REPOSITORY_ALTERNATE_FOLDER "/sub"
326 #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB "/subsub"
327 #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/subsubsub"
328
329 #define ALTERNATE_MALFORMED_FOLDER1 DISCOVER_FOLDER "/alternate_malformed_repo1"
330 #define ALTERNATE_MALFORMED_FOLDER2 DISCOVER_FOLDER "/alternate_malformed_repo2"
331 #define ALTERNATE_MALFORMED_FOLDER3 DISCOVER_FOLDER "/alternate_malformed_repo3"
332 #define ALTERNATE_NOT_FOUND_FOLDER DISCOVER_FOLDER "/alternate_not_found_repo"
333
334 static int ensure_repository_discover(const char *start_path, const char *ceiling_dirs, const char *expected_path)
335 {
336 int error;
337 char found_path[GIT_PATH_MAX];
338
339 error = git_repository_discover(found_path, sizeof(found_path), start_path, 0, ceiling_dirs);
340 //across_fs is always 0 as we can't automate the filesystem change tests
341
342 if (error < GIT_SUCCESS)
343 return error;
344
345 return strcmp(found_path, expected_path) ? GIT_ERROR : GIT_SUCCESS;
346 }
347
348 static int write_file(const char *path, const char *content)
349 {
350 int error;
351 git_file file;
352
353 if (gitfo_exists(path) == GIT_SUCCESS) {
354 error = gitfo_unlink(path);
355
356 if (error < GIT_SUCCESS)
357 return error;
358 }
359
360 file = gitfo_creat_force(path, 0644);
361 if (file < GIT_SUCCESS)
362 return file;
363
364 error = gitfo_write(file, (void*)content, strlen(content) * sizeof(char));
365
366 gitfo_close(file);
367
368 return error;
369 }
370
371 //no check is performed on ceiling_dirs length, so be sure it's long enough
372 static int append_ceiling_dir(char *ceiling_dirs, const char *path)
373 {
374 int len = strlen(ceiling_dirs);
375 int error;
376
377 error = gitfo_prettify_dir_path(ceiling_dirs + len + (len ? 1 : 0), GIT_PATH_MAX, path, NULL);
378 if (error < GIT_SUCCESS)
379 return git__rethrow(error, "Failed to append ceiling directory.");
380
381 if (len)
382 ceiling_dirs[len] = GIT_PATH_LIST_SEPARATOR;
383
384 return GIT_SUCCESS;
385 }
386
387 BEGIN_TEST(discover0, "test discover")
388 git_repository *repo;
389 char ceiling_dirs[GIT_PATH_MAX * 2] = "";
390 char repository_path[GIT_PATH_MAX];
391 char sub_repository_path[GIT_PATH_MAX];
392 char found_path[GIT_PATH_MAX];
393 int mode = 0755;
394
395 rmdir_recurs(DISCOVER_FOLDER);
396 must_pass(append_ceiling_dir(ceiling_dirs,TEST_RESOURCES));
397 gitfo_mkdir_recurs(DISCOVER_FOLDER, mode);
398
399 must_be_true(git_repository_discover(repository_path, sizeof(repository_path), DISCOVER_FOLDER, 0, ceiling_dirs) == GIT_ENOTAREPO);
400
401 must_pass(git_repository_init(&repo, DISCOVER_FOLDER, 1));
402 must_pass(git_repository_discover(repository_path, sizeof(repository_path), DISCOVER_FOLDER, 0, ceiling_dirs));
403 git_repository_free(repo);
404
405 must_pass(git_repository_init(&repo, SUB_REPOSITORY_FOLDER, 0));
406 must_pass(gitfo_mkdir_recurs(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
407 must_pass(git_repository_discover(sub_repository_path, sizeof(sub_repository_path), SUB_REPOSITORY_FOLDER, 0, ceiling_dirs));
408
409 must_pass(gitfo_mkdir_recurs(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
410 must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB, ceiling_dirs, sub_repository_path));
411 must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
412 must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, ceiling_dirs, sub_repository_path));
413
414 must_pass(gitfo_mkdir_recurs(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, mode));
415 must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER "/" DOT_GIT, "gitdir: ../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT));
416 must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/" DOT_GIT, "gitdir: ../../../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT));
417 must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB "/" DOT_GIT, "gitdir: ../../../../"));
418 must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, sub_repository_path));
419 must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, sub_repository_path));
420 must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
421 must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, repository_path));
422
423 must_pass(gitfo_mkdir_recurs(ALTERNATE_MALFORMED_FOLDER1, mode));
424 must_pass(write_file(ALTERNATE_MALFORMED_FOLDER1 "/" DOT_GIT, "Anything but not gitdir:"));
425 must_pass(gitfo_mkdir_recurs(ALTERNATE_MALFORMED_FOLDER2, mode));
426 must_pass(write_file(ALTERNATE_MALFORMED_FOLDER2 "/" DOT_GIT, "gitdir:"));
427 must_pass(gitfo_mkdir_recurs(ALTERNATE_MALFORMED_FOLDER3, mode));
428 must_pass(write_file(ALTERNATE_MALFORMED_FOLDER3 "/" DOT_GIT, "gitdir: \n\n\n"));
429 must_pass(gitfo_mkdir_recurs(ALTERNATE_NOT_FOUND_FOLDER, mode));
430 must_pass(write_file(ALTERNATE_NOT_FOUND_FOLDER "/" DOT_GIT, "gitdir: a_repository_that_surely_does_not_exist"));
431 must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER1, 0, ceiling_dirs));
432 must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER2, 0, ceiling_dirs));
433 must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER3, 0, ceiling_dirs));
434 must_be_true(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_NOT_FOUND_FOLDER, 0, ceiling_dirs) == GIT_ENOTAREPO);
435
436 must_pass(append_ceiling_dir(ceiling_dirs, SUB_REPOSITORY_FOLDER));
437 //this must pass as ceiling_directories cannot predent the current
438 //working directory to be checked
439 must_pass(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER, 0, ceiling_dirs));
440 must_be_true(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB, 0, ceiling_dirs) == GIT_ENOTAREPO);
441 must_be_true(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB_SUB, 0, ceiling_dirs) == GIT_ENOTAREPO);
442 must_be_true(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, 0, ceiling_dirs) == GIT_ENOTAREPO);
443
444 //.gitfile redirection should not be affected by ceiling directories
445 must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, sub_repository_path));
446 must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, sub_repository_path));
447 must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
448 must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, repository_path));
449
450 rmdir_recurs(DISCOVER_FOLDER);
451 git_repository_free(repo);
452 END_TEST
453
454 BEGIN_SUITE(repository)
455 ADD_TEST(odb0);
456 ADD_TEST(odb1);
457 ADD_TEST(init0);
458 ADD_TEST(init1);
459 ADD_TEST(init2);
460 ADD_TEST(open0);
461 ADD_TEST(open1);
462 ADD_TEST(open2);
463 ADD_TEST(empty0);
464 ADD_TEST(detached0);
465 ADD_TEST(orphan0);
466 ADD_TEST(discover0);
467 END_SUITE
468