tests/commit/parent.c

   1 #include "clar_libgit2.h"
   2
   3 static git_repository *_repo;
   4 static git_commit *commit;
   5
   6 void test_commit_parent__initialize(void)
   7 {
   8         git_oid oid;
   9
  10         cl_git_pass(git_repository_open(&_repo, cl_fixture("testrepo.git")));
  11
  12         git_oid_fromstr(&oid, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644");
  13         cl_git_pass(git_commit_lookup(&commit, _repo, &oid));
  14 }
  15
  16 void test_commit_parent__cleanup(void)
  17 {
  18         git_commit_free(commit);
  19         commit = NULL;
  20
  21         git_repository_free(_repo);
  22         _repo = NULL;
  23 }
  24
  25 static void assert_nth_gen_parent(unsigned int gen, const char *expected_oid)
  26 {
  27         git_commit *parent = NULL;
  28         int error;
  29
  30         error = git_commit_nth_gen_ancestor(&parent, commit, gen);
  31
  32         if (expected_oid != NULL) {
  33                 cl_assert_equal_i(0, error);
  34                 cl_assert_equal_i(0, git_oid_streq(git_commit_id(parent), expected_oid));
  35         } else
  36                 cl_assert_equal_i(GIT_ENOTFOUND, error);
  37
  38         git_commit_free(parent);
  39 }
  40
  41 /*
  42  * $ git show be35~0
  43  * commit be3563ae3f795b2b4353bcce3a527ad0a4f7f644
  44  *
  45  * $ git show be35~1
  46  * commit 9fd738e8f7967c078dceed8190330fc8648ee56a
  47  *
  48  * $ git show be35~3
  49  * commit 5b5b025afb0b4c913b4c338a42934a3863bf3644
  50  *
  51  * $ git show be35~42
  52  * fatal: ambiguous argument 'be35~42': unknown revision or path not in the working tree.
  53  */
  54 void test_commit_parent__can_retrieve_nth_generation_parent(void)
  55 {
  56         assert_nth_gen_parent(0, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644");
  57         assert_nth_gen_parent(1, "9fd738e8f7967c078dceed8190330fc8648ee56a");
  58         assert_nth_gen_parent(3, "5b5b025afb0b4c913b4c338a42934a3863bf3644");
  59         assert_nth_gen_parent(42, NULL);
  60 }