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#include "clar_libgit2.h"
static git_repository *_repo;
static git_commit *commit;
void test_commit_parent__initialize(void)
{
git_oid oid;
cl_git_pass(git_repository_open(&_repo, cl_fixture("testrepo.git")));
git_oid_fromstr(&oid, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644");
cl_git_pass(git_commit_lookup(&commit, _repo, &oid));
}
void test_commit_parent__cleanup(void)
{
git_commit_free(commit);
commit = NULL;
git_repository_free(_repo);
_repo = NULL;
}
static void assert_nth_gen_parent(unsigned int gen, const char *expected_oid)
{
git_commit *parent = NULL;
int error;
error = git_commit_nth_gen_ancestor(&parent, commit, gen);
if (expected_oid != NULL) {
cl_assert_equal_i(0, error);
cl_assert_equal_i(0, git_oid_streq(git_commit_id(parent), expected_oid));
} else
cl_assert_equal_i(GIT_ENOTFOUND, error);
git_commit_free(parent);
}
/*
* $ git show be35~0
* commit be3563ae3f795b2b4353bcce3a527ad0a4f7f644
*
* $ git show be35~1
* commit 9fd738e8f7967c078dceed8190330fc8648ee56a
*
* $ git show be35~3
* commit 5b5b025afb0b4c913b4c338a42934a3863bf3644
*
* $ git show be35~42
* fatal: ambiguous argument 'be35~42': unknown revision or path not in the working tree.
*/
void test_commit_parent__can_retrieve_nth_generation_parent(void)
{
assert_nth_gen_parent(0, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644");
assert_nth_gen_parent(1, "9fd738e8f7967c078dceed8190330fc8648ee56a");
assert_nth_gen_parent(3, "5b5b025afb0b4c913b4c338a42934a3863bf3644");
assert_nth_gen_parent(42, NULL);
}