tests/refs/create.c

   1 #include "clar_libgit2.h"
   2
   3 #include "repository.h"
   4 #include "git2/reflog.h"
   5 #include "reflog.h"
   6 #include "ref_helpers.h"
   7
   8 static const char *current_master_tip = "099fabac3a9ea935598528c27f866e34089c2eff";
   9 static const char *current_head_target = "refs/heads/master";
  10
  11 static git_repository *g_repo;
  12
  13 void test_refs_create__initialize(void)
  14 {
  15         g_repo = cl_git_sandbox_init("testrepo");
  16         p_fsync__cnt = 0;
  17 }
  18
  19 void test_refs_create__cleanup(void)
  20 {
  21         cl_git_sandbox_cleanup();
  22
  23         cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 1));
  24         cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_SYMBOLIC_REF_CREATION, 1));
  25         cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_FSYNC_GITDIR, 0));
  26 }
  27
  28 void test_refs_create__symbolic(void)
  29 {
  30         /* create a new symbolic reference */
  31         git_reference *new_reference, *looked_up_ref, *resolved_ref;
  32         git_repository *repo2;
  33         git_oid id;
  34
  35         const char *new_head_tracker = "ANOTHER_HEAD_TRACKER";
  36
  37         git_oid_fromstr(&id, current_master_tip);
  38
  39         /* Create and write the new symbolic reference */
  40         cl_git_pass(git_reference_symbolic_create(&new_reference, g_repo, new_head_tracker, current_head_target, 0, NULL));
  41
  42         /* Ensure the reference can be looked-up... */
  43         cl_git_pass(git_reference_lookup(&looked_up_ref, g_repo, new_head_tracker));
  44         cl_assert(git_reference_type(looked_up_ref) & GIT_REFERENCE_SYMBOLIC);
  45         cl_assert(reference_is_packed(looked_up_ref) == 0);
  46         cl_assert_equal_s(looked_up_ref->name, new_head_tracker);
  47
  48         /* ...peeled.. */
  49         cl_git_pass(git_reference_resolve(&resolved_ref, looked_up_ref));
  50         cl_assert(git_reference_type(resolved_ref) == GIT_REFERENCE_DIRECT);
  51
  52         /* ...and that it points to the current master tip */
  53         cl_assert_equal_oid(&id, git_reference_target(resolved_ref));
  54         git_reference_free(looked_up_ref);
  55         git_reference_free(resolved_ref);
  56
  57         /* Similar test with a fresh new repository */
  58         cl_git_pass(git_repository_open(&repo2, "testrepo"));
  59
  60         cl_git_pass(git_reference_lookup(&looked_up_ref, repo2, new_head_tracker));
  61         cl_git_pass(git_reference_resolve(&resolved_ref, looked_up_ref));
  62         cl_assert_equal_oid(&id, git_reference_target(resolved_ref));
  63
  64         git_repository_free(repo2);
  65
  66         git_reference_free(new_reference);
  67         git_reference_free(looked_up_ref);
  68         git_reference_free(resolved_ref);
  69 }
  70
  71 void test_refs_create__symbolic_with_arbitrary_content(void)
  72 {
  73         git_reference *new_reference, *looked_up_ref;
  74         git_repository *repo2;
  75         git_oid id;
  76
  77         const char *new_head_tracker = "ANOTHER_HEAD_TRACKER";
  78         const char *arbitrary_target = "ARBITRARY DATA";
  79
  80         git_oid_fromstr(&id, current_master_tip);
  81
  82         /* Attempt to create symbolic ref with arbitrary data in target
  83          * fails by default
  84          */
  85         cl_git_fail(git_reference_symbolic_create(&new_reference, g_repo, new_head_tracker, arbitrary_target, 0, NULL));
  86
  87         git_libgit2_opts(GIT_OPT_ENABLE_STRICT_SYMBOLIC_REF_CREATION, 0);
  88
  89         /* With strict target validation disabled, ref creation succeeds */
  90         cl_git_pass(git_reference_symbolic_create(&new_reference, g_repo, new_head_tracker, arbitrary_target, 0, NULL));
  91
  92         /* Ensure the reference can be looked-up... */
  93         cl_git_pass(git_reference_lookup(&looked_up_ref, g_repo, new_head_tracker));
  94         cl_assert(git_reference_type(looked_up_ref) & GIT_REFERENCE_SYMBOLIC);
  95         cl_assert(reference_is_packed(looked_up_ref) == 0);
  96         cl_assert_equal_s(looked_up_ref->name, new_head_tracker);
  97         git_reference_free(looked_up_ref);
  98
  99         /* Ensure the target is what we expect it to be */
 100         cl_assert_equal_s(git_reference_symbolic_target(new_reference), arbitrary_target);
 101
 102         /* Similar test with a fresh new repository object */
 103         cl_git_pass(git_repository_open(&repo2, "testrepo"));
 104
 105         /* Ensure the reference can be looked-up... */
 106         cl_git_pass(git_reference_lookup(&looked_up_ref, repo2, new_head_tracker));
 107         cl_assert(git_reference_type(looked_up_ref) & GIT_REFERENCE_SYMBOLIC);
 108         cl_assert(reference_is_packed(looked_up_ref) == 0);
 109         cl_assert_equal_s(looked_up_ref->name, new_head_tracker);
 110
 111         /* Ensure the target is what we expect it to be */
 112         cl_assert_equal_s(git_reference_symbolic_target(new_reference), arbitrary_target);
 113
 114         git_repository_free(repo2);
 115         git_reference_free(new_reference);
 116         git_reference_free(looked_up_ref);
 117 }
 118
 119 void test_refs_create__deep_symbolic(void)
 120 {
 121         /* create a deep symbolic reference */
 122         git_reference *new_reference, *looked_up_ref, *resolved_ref;
 123         git_oid id;
 124
 125         const char *new_head_tracker = "deep/rooted/tracker";
 126
 127         git_oid_fromstr(&id, current_master_tip);
 128
 129         cl_git_pass(git_reference_symbolic_create(&new_reference, g_repo, new_head_tracker, current_head_target, 0, NULL));
 130         cl_git_pass(git_reference_lookup(&looked_up_ref, g_repo, new_head_tracker));
 131         cl_git_pass(git_reference_resolve(&resolved_ref, looked_up_ref));
 132         cl_assert_equal_oid(&id, git_reference_target(resolved_ref));
 133
 134         git_reference_free(new_reference);
 135         git_reference_free(looked_up_ref);
 136         git_reference_free(resolved_ref);
 137 }
 138
 139 void test_refs_create__oid(void)
 140 {
 141         /* create a new OID reference */
 142         git_reference *new_reference, *looked_up_ref;
 143         git_repository *repo2;
 144         git_oid id;
 145
 146         const char *new_head = "refs/heads/new-head";
 147
 148         git_oid_fromstr(&id, current_master_tip);
 149
 150         /* Create and write the new object id reference */
 151         cl_git_pass(git_reference_create(&new_reference, g_repo, new_head, &id, 0, NULL));
 152
 153         /* Ensure the reference can be looked-up... */
 154         cl_git_pass(git_reference_lookup(&looked_up_ref, g_repo, new_head));
 155         cl_assert(git_reference_type(looked_up_ref) & GIT_REFERENCE_DIRECT);
 156         cl_assert(reference_is_packed(looked_up_ref) == 0);
 157         cl_assert_equal_s(looked_up_ref->name, new_head);
 158
 159         /* ...and that it points to the current master tip */
 160         cl_assert_equal_oid(&id, git_reference_target(looked_up_ref));
 161         git_reference_free(looked_up_ref);
 162
 163         /* Similar test with a fresh new repository */
 164         cl_git_pass(git_repository_open(&repo2, "testrepo"));
 165
 166         cl_git_pass(git_reference_lookup(&looked_up_ref, repo2, new_head));
 167         cl_assert_equal_oid(&id, git_reference_target(looked_up_ref));
 168
 169         git_repository_free(repo2);
 170
 171         git_reference_free(new_reference);
 172         git_reference_free(looked_up_ref);
 173 }
 174
 175 /* Can by default create a reference that targets at an unknown id */
 176 void test_refs_create__oid_unknown_succeeds_without_strict(void)
 177 {
 178         git_reference *new_reference, *looked_up_ref;
 179         git_oid id;
 180
 181         const char *new_head = "refs/heads/new-head";
 182
 183         git_oid_fromstr(&id, "deadbeef3f795b2b4353bcce3a527ad0a4f7f644");
 184
 185         cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 0));
 186
 187         /* Create and write the new object id reference */
 188         cl_git_pass(git_reference_create(&new_reference, g_repo, new_head, &id, 0, NULL));
 189         git_reference_free(new_reference);
 190
 191         /* Ensure the reference can't be looked-up... */
 192         cl_git_pass(git_reference_lookup(&looked_up_ref, g_repo, new_head));
 193         git_reference_free(looked_up_ref);
 194 }
 195
 196 /* Strict object enforcement enforces valid object id */
 197 void test_refs_create__oid_unknown_fails_by_default(void)
 198 {
 199         git_reference *new_reference, *looked_up_ref;
 200         git_oid id;
 201
 202         const char *new_head = "refs/heads/new-head";
 203
 204         git_oid_fromstr(&id, "deadbeef3f795b2b4353bcce3a527ad0a4f7f644");
 205
 206         /* Create and write the new object id reference */
 207         cl_git_fail(git_reference_create(&new_reference, g_repo, new_head, &id, 0, NULL));
 208
 209         /* Ensure the reference can't be looked-up... */
 210         cl_git_fail(git_reference_lookup(&looked_up_ref, g_repo, new_head));
 211 }
 212
 213 void test_refs_create__propagate_eexists(void)
 214 {
 215         git_oid oid;
 216
 217         /* Make sure it works for oid and for symbolic both */
 218         cl_git_pass(git_oid_fromstr(&oid, current_master_tip));
 219         cl_git_fail_with(GIT_EEXISTS, git_reference_create(NULL, g_repo, current_head_target, &oid, false, NULL));
 220         cl_git_fail_with(GIT_EEXISTS, git_reference_symbolic_create(NULL, g_repo, "HEAD", current_head_target, false, NULL));
 221 }
 222
 223 void test_refs_create__existing_dir_propagates_edirectory(void)
 224 {
 225         git_reference *new_reference, *fail_reference;
 226         git_oid id;
 227         const char *dir_head = "refs/heads/new-dir/new-head",
 228                 *fail_head = "refs/heads/new-dir";
 229
 230         git_oid_fromstr(&id, current_master_tip);
 231
 232         /* Create and write the new object id reference */
 233         cl_git_pass(git_reference_create(&new_reference, g_repo, dir_head, &id, 1, NULL));
 234         cl_git_fail_with(GIT_EDIRECTORY,
 235                 git_reference_create(&fail_reference, g_repo, fail_head, &id, false, NULL));
 236
 237         git_reference_free(new_reference);
 238 }
 239
 240 static void test_invalid_name(const char *name)
 241 {
 242         git_reference *new_reference;
 243         git_oid id;
 244
 245         git_oid_fromstr(&id, current_master_tip);
 246
 247         cl_assert_equal_i(GIT_EINVALIDSPEC, git_reference_create(
 248                 &new_reference, g_repo, name, &id, 0, NULL));
 249
 250         cl_assert_equal_i(GIT_EINVALIDSPEC, git_reference_symbolic_create(
 251                 &new_reference, g_repo, name, current_head_target, 0, NULL));
 252 }
 253
 254 void test_refs_create__creating_a_reference_with_an_invalid_name_returns_EINVALIDSPEC(void)
 255 {
 256         test_invalid_name("refs/heads/inv@{id");
 257         test_invalid_name("refs/heads/back\\slash");
 258
 259         test_invalid_name("refs/heads/foo ");
 260         test_invalid_name("refs/heads/foo /bar");
 261         test_invalid_name("refs/heads/com1:bar/foo");
 262
 263         test_invalid_name("refs/heads/e:");
 264         test_invalid_name("refs/heads/c:/foo");
 265
 266         test_invalid_name("refs/heads/foo.");
 267 }
 268
 269 static void test_win32_name(const char *name)
 270 {
 271         git_reference *new_reference = NULL;
 272         git_oid id;
 273         int ret;
 274
 275         git_oid_fromstr(&id, current_master_tip);
 276
 277         ret = git_reference_create(&new_reference, g_repo, name, &id, 0, NULL);
 278
 279 #ifdef GIT_WIN32
 280         cl_assert_equal_i(GIT_EINVALIDSPEC, ret);
 281 #else
 282         cl_git_pass(ret);
 283 #endif
 284
 285         git_reference_free(new_reference);
 286 }
 287
 288 void test_refs_create__creating_a_loose_ref_with_invalid_windows_name(void)
 289 {
 290         test_win32_name("refs/heads/foo./bar");
 291
 292         test_win32_name("refs/heads/aux");
 293         test_win32_name("refs/heads/aux.foo/bar");
 294
 295         test_win32_name("refs/heads/com1");
 296 }
 297
 298 /* Creating a loose ref involves fsync'ing the reference, the
 299  * reflog and (on non-Windows) the containing directories.
 300  * Creating a packed ref involves fsync'ing the packed ref file
 301  * and (on non-Windows) the containing directory.
 302  */
 303 #ifdef GIT_WIN32
 304 static int expected_fsyncs_create = 2, expected_fsyncs_compress = 1;
 305 #else
 306 static int expected_fsyncs_create = 4, expected_fsyncs_compress = 2;
 307 #endif
 308
 309 static void count_fsyncs(size_t *create_count, size_t *compress_count)
 310 {
 311         git_reference *ref = NULL;
 312         git_refdb *refdb;
 313         git_oid id;
 314
 315         p_fsync__cnt = 0;
 316
 317         git_oid_fromstr(&id, current_master_tip);
 318         cl_git_pass(git_reference_create(&ref, g_repo, "refs/heads/fsync_test", &id, 0, "log message"));
 319         git_reference_free(ref);
 320
 321         *create_count = p_fsync__cnt;
 322         p_fsync__cnt = 0;
 323
 324         cl_git_pass(git_repository_refdb(&refdb, g_repo));
 325         cl_git_pass(git_refdb_compress(refdb));
 326         git_refdb_free(refdb);
 327
 328         *compress_count = p_fsync__cnt;
 329         p_fsync__cnt = 0;
 330 }
 331
 332 void test_refs_create__does_not_fsync_by_default(void)
 333 {
 334         size_t create_count, compress_count;
 335         count_fsyncs(&create_count, &compress_count);
 336
 337         cl_assert_equal_i(0, create_count);
 338         cl_assert_equal_i(0, compress_count);
 339 }
 340
 341 void test_refs_create__fsyncs_when_global_opt_set(void)
 342 {
 343         size_t create_count, compress_count;
 344
 345         cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_FSYNC_GITDIR, 1));
 346         count_fsyncs(&create_count, &compress_count);
 347
 348         cl_assert_equal_i(expected_fsyncs_create, create_count);
 349         cl_assert_equal_i(expected_fsyncs_compress, compress_count);
 350 }
 351
 352 void test_refs_create__fsyncs_when_repo_config_set(void)
 353 {
 354         size_t create_count, compress_count;
 355
 356         cl_repo_set_bool(g_repo, "core.fsyncObjectFiles", true);
 357
 358         count_fsyncs(&create_count, &compress_count);
 359
 360         cl_assert_equal_i(expected_fsyncs_create, create_count);
 361         cl_assert_equal_i(expected_fsyncs_compress, compress_count);
 362 }