tests/refs/branches/create.c

   1 #include "clar_libgit2.h"
   2 #include "refs.h"
   3 #include "path.h"
   4
   5 static git_repository *repo;
   6 static git_commit *target;
   7 static git_reference *branch;
   8
   9 void test_refs_branches_create__initialize(void)
  10 {
  11         repo = cl_git_sandbox_init("testrepo.git");
  12         branch = NULL;
  13         target = NULL;
  14 }
  15
  16 void test_refs_branches_create__cleanup(void)
  17 {
  18         git_reference_free(branch);
  19         branch = NULL;
  20
  21         git_commit_free(target);
  22         target = NULL;
  23
  24         cl_git_sandbox_cleanup();
  25         repo = NULL;
  26 }
  27
  28 static void retrieve_target_from_oid(git_commit **out, git_repository *repo, const char *sha)
  29 {
  30         git_object *obj;
  31
  32         cl_git_pass(git_revparse_single(&obj, repo, sha));
  33         cl_git_pass(git_commit_lookup(out, repo, git_object_id(obj)));
  34         git_object_free(obj);
  35 }
  36
  37 static void retrieve_known_commit(git_commit **commit, git_repository *repo)
  38 {
  39         retrieve_target_from_oid(commit, repo, "e90810b8df3");
  40 }
  41
  42 #define NEW_BRANCH_NAME "new-branch-on-the-block"
  43
  44 void test_refs_branches_create__can_create_a_local_branch(void)
  45 {
  46         retrieve_known_commit(&target, repo);
  47
  48         cl_git_pass(git_branch_create(&branch, repo, NEW_BRANCH_NAME, target, 0, NULL));
  49         cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
  50 }
  51
  52 void test_refs_branches_create__can_not_create_a_branch_if_its_name_collide_with_an_existing_one(void)
  53 {
  54         retrieve_known_commit(&target, repo);
  55
  56         cl_assert_equal_i(GIT_EEXISTS, git_branch_create(&branch, repo, "br2", target, 0, NULL));
  57 }
  58
  59 void test_refs_branches_create__can_force_create_over_an_existing_branch(void)
  60 {
  61         retrieve_known_commit(&target, repo);
  62
  63         cl_git_pass(git_branch_create(&branch, repo, "br2", target, 1, NULL));
  64         cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
  65         cl_assert_equal_s("refs/heads/br2", git_reference_name(branch));
  66 }
  67
  68 void test_refs_branches_create__cannot_force_create_over_current_branch(void)
  69 {
  70         const git_oid *oid;
  71         git_reference *branch2;
  72         retrieve_known_commit(&target, repo);
  73
  74         cl_git_pass(git_branch_lookup(&branch2, repo, "master", GIT_BRANCH_LOCAL));
  75         cl_assert_equal_s("refs/heads/master", git_reference_name(branch2));
  76         cl_assert_equal_i(true, git_branch_is_head(branch2));
  77         oid = git_reference_target(branch2);
  78
  79         cl_git_fail_with(-1, git_branch_create(&branch, repo, "master", target, 1, NULL));
  80         branch = NULL;
  81         cl_git_pass(git_branch_lookup(&branch, repo, "master", GIT_BRANCH_LOCAL));
  82         cl_assert_equal_s("refs/heads/master", git_reference_name(branch));
  83         cl_git_pass(git_oid_cmp(git_reference_target(branch), oid));
  84         git_reference_free(branch2);
  85 }
  86
  87 void test_refs_branches_create__creating_a_branch_with_an_invalid_name_returns_EINVALIDSPEC(void)
  88 {
  89         retrieve_known_commit(&target, repo);
  90
  91         cl_assert_equal_i(GIT_EINVALIDSPEC,
  92                 git_branch_create(&branch, repo, "inv@{id", target, 0, NULL));
  93 }
  94
  95 void test_refs_branches_create__creation_creates_new_reflog(void)
  96 {
  97         git_reflog *log;
  98         const git_reflog_entry *entry;
  99         git_signature *sig;
 100
 101         cl_git_pass(git_signature_now(&sig, "me", "foo@example.com"));
 102
 103         retrieve_known_commit(&target, repo);
 104         cl_git_pass(git_branch_create(&branch, repo, NEW_BRANCH_NAME, target, false, "create!"));
 105         cl_git_pass(git_reflog_read(&log, repo, "refs/heads/" NEW_BRANCH_NAME));
 106
 107         cl_assert_equal_i(1, git_reflog_entrycount(log));
 108         entry = git_reflog_entry_byindex(log, 0);
 109         cl_assert_equal_s("create!", git_reflog_entry_message(entry));
 110
 111         git_reflog_free(log);
 112         git_signature_free(sig);
 113 }
 114
 115 void test_refs_branches_create__default_reflog_message(void)
 116 {
 117         git_reflog *log;
 118         const git_reflog_entry *entry;
 119         git_signature *sig;
 120         git_config *cfg;
 121
 122         cl_git_pass(git_repository_config(&cfg, repo));
 123         cl_git_pass(git_config_set_string(cfg, "user.name", "Foo Bar"));
 124         cl_git_pass(git_config_set_string(cfg, "user.email", "foo@example.com"));
 125         git_config_free(cfg);
 126
 127         cl_git_pass(git_signature_default(&sig, repo));
 128
 129         retrieve_known_commit(&target, repo);
 130         cl_git_pass(git_branch_create(&branch, repo, NEW_BRANCH_NAME, target, false, NULL));
 131         cl_git_pass(git_reflog_read(&log, repo, "refs/heads/" NEW_BRANCH_NAME));
 132
 133         entry = git_reflog_entry_byindex(log, 0);
 134         cl_assert_equal_s("Branch: created", git_reflog_entry_message(entry));
 135         cl_assert_equal_s(sig->email, git_reflog_entry_committer(entry)->email);
 136
 137         git_reflog_free(log);
 138         git_signature_free(sig);
 139 }
 140
 141 static void assert_branch_matches_name(
 142         const char *expected, const char *lookup_as)
 143 {
 144         git_reference *ref;
 145         git_buf b = GIT_BUF_INIT;
 146
 147         cl_git_pass(git_branch_lookup(&ref, repo, lookup_as, GIT_BRANCH_LOCAL));
 148
 149         cl_git_pass(git_buf_sets(&b, "refs/heads/"));
 150         cl_git_pass(git_buf_puts(&b, expected));
 151         cl_assert_equal_s(b.ptr, git_reference_name(ref));
 152
 153         cl_git_pass(
 154                 git_oid_cmp(git_reference_target(ref), git_commit_id(target)));
 155
 156         git_reference_free(ref);
 157         git_buf_free(&b);
 158 }
 159
 160 void test_refs_branches_create__can_create_branch_with_unicode(void)
 161 {
 162         const char *nfc = "\xC3\x85\x73\x74\x72\xC3\xB6\x6D";
 163         const char *nfd = "\x41\xCC\x8A\x73\x74\x72\x6F\xCC\x88\x6D";
 164         const char *emoji = "\xF0\x9F\x8D\xB7";
 165         const char *names[] = { nfc, nfd, emoji };
 166         const char *alt[] = { nfd, nfc, NULL };
 167         const char *expected[] = { nfc, nfd, emoji };
 168         unsigned int i;
 169         bool fs_decompose_unicode =
 170                 git_path_does_fs_decompose_unicode(git_repository_path(repo));
 171
 172         retrieve_known_commit(&target, repo);
 173
 174         if (cl_repo_get_bool(repo, "core.precomposeunicode"))
 175                 expected[1] = nfc;
 176         /* test decomp. because not all Mac filesystems decompose unicode */
 177         else if (fs_decompose_unicode)
 178                 expected[0] = nfd;
 179
 180         for (i = 0; i < ARRAY_SIZE(names); ++i) {
 181                 const char *name;
 182                 cl_git_pass(git_branch_create(
 183                         &branch, repo, names[i], target, 0, NULL));
 184                 cl_git_pass(git_oid_cmp(
 185                         git_reference_target(branch), git_commit_id(target)));
 186
 187                 cl_git_pass(git_branch_name(&name, branch));
 188                 cl_assert_equal_s(expected[i], name);
 189                 assert_branch_matches_name(expected[i], names[i]);
 190                 if (fs_decompose_unicode && alt[i])
 191                         assert_branch_matches_name(expected[i], alt[i]);
 192
 193                 cl_git_pass(git_branch_delete(branch));
 194                 git_reference_free(branch);
 195                 branch = NULL;
 196         }
 197 }
 198
 199 /**
 200  * Verify that we can create a branch with a name that matches the
 201  * namespace of a previously delete branch.
 202  *
 203  * git branch level_one/level_two
 204  * git branch -D level_one/level_two
 205  * git branch level_one
 206  *
 207  * We expect the delete to have deleted the files:
 208  *     ".git/refs/heads/level_one/level_two"
 209  *     ".git/logs/refs/heads/level_one/level_two"
 210  * It may or may not have deleted the (now empty)
 211  * containing directories.  To match git.git behavior,
 212  * the second create needs to implicilty delete the
 213  * directories and create the new files.
 214  *     "refs/heads/level_one"
 215  *     "logs/refs/heads/level_one"
 216  *
 217  * We should not fail to create the branch or its
 218  * reflog because of an obsolete namespace container
 219  * directory.
 220  */
 221 void test_refs_branches_create__name_vs_namespace(void)
 222 {
 223         const char * name;
 224         struct item {
 225                 const char *first;
 226                 const char *second;
 227         };
 228         static const struct item item[] = {
 229                 { "level_one/level_two", "level_one" },
 230                 { "a/b/c/d/e",           "a/b/c/d" },
 231                 { "ss/tt/uu/vv/ww",      "ss" },
 232                 /* And one test case that is deeper. */
 233                 { "xx1/xx2/xx3/xx4",     "xx1/xx2/xx3/xx4/xx5/xx6" },
 234                 { NULL, NULL },
 235         };
 236         const struct item *p;
 237
 238         retrieve_known_commit(&target, repo);
 239
 240         for (p=item; p->first; p++) {
 241                 cl_git_pass(git_branch_create(&branch, repo, p->first, target, 0, NULL));
 242                 cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
 243                 cl_git_pass(git_branch_name(&name, branch));
 244                 cl_assert_equal_s(name, p->first);
 245
 246                 cl_git_pass(git_branch_delete(branch));
 247                 git_reference_free(branch);
 248                 branch = NULL;
 249
 250                 cl_git_pass(git_branch_create(&branch, repo, p->second, target, 0, NULL));
 251                 git_reference_free(branch);
 252                 branch = NULL;
 253         }
 254 }
 255
 256 /**
 257  * We still need to fail if part of the namespace is
 258  * still in use.
 259  */
 260 void test_refs_branches_create__name_vs_namespace_fail(void)
 261 {
 262         const char * name;
 263         struct item {
 264                 const char *first;
 265                 const char *first_alternate;
 266                 const char *second;
 267         };
 268         static const struct item item[] = {
 269                 { "level_one/level_two", "level_one/alternate", "level_one" },
 270                 { "a/b/c/d/e",           "a/b/c/d/alternate",   "a/b/c/d" },
 271                 { "ss/tt/uu/vv/ww",      "ss/alternate",        "ss" },
 272                 { NULL, NULL, NULL },
 273         };
 274         const struct item *p;
 275
 276         retrieve_known_commit(&target, repo);
 277
 278         for (p=item; p->first; p++) {
 279                 cl_git_pass(git_branch_create(&branch, repo, p->first, target, 0, NULL));
 280                 cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
 281                 cl_git_pass(git_branch_name(&name, branch));
 282                 cl_assert_equal_s(name, p->first);
 283
 284                 cl_git_pass(git_branch_delete(branch));
 285                 git_reference_free(branch);
 286                 branch = NULL;
 287
 288                 cl_git_pass(git_branch_create(&branch, repo, p->first_alternate, target, 0, NULL));
 289                 cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
 290                 cl_git_pass(git_branch_name(&name, branch));
 291                 cl_assert_equal_s(name, p->first_alternate);
 292
 293                 /* we do not delete the alternate. */
 294                 git_reference_free(branch);
 295                 branch = NULL;
 296
 297                 cl_git_fail(git_branch_create(&branch, repo, p->second, target, 0, NULL));
 298                 git_reference_free(branch);
 299                 branch = NULL;
 300         }
 301 }