#include "test_lib.h"
#include "test_helpers.h"
#include "refs.h"

static const char *head_ref_name = "HEAD";
static const char *current_head_target = "refs/heads/master";
static const char *current_master_tip = "be3563ae3f795b2b4353bcce3a527ad0a4f7f644";

BEGIN_TEST(symbolic_reference_looking_up)
	git_repository *repo;
	git_reference *reference, *resolved_ref;
	git_object *object;
	git_oid id;

	must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));

	must_pass(git_repository_lookup_ref(&reference, repo, head_ref_name));
	must_be_true(reference->type == GIT_REF_SYMBOLIC);
	must_be_true(reference->packed == 0);
	must_be_true(strcmp(reference->name, head_ref_name) == 0);

	must_pass(git_reference_resolve(&resolved_ref, reference));
	must_be_true(resolved_ref->type == GIT_REF_OID);

	must_pass(git_repository_lookup(&object, repo, git_reference_oid(resolved_ref), GIT_OBJ_ANY));
	must_be_true(object != NULL);
	must_be_true(git_object_type(object) == GIT_OBJ_COMMIT);

	git_oid_mkstr(&id, current_master_tip);
	must_be_true(git_oid_cmp(&id, git_object_id(object)) == 0);

	git_repository_free(repo);
END_TEST

BEGIN_TEST(looking_up_head_then_master)
	git_repository *repo;
	git_reference *reference;

	must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));
	must_pass(git_repository_lookup_ref(&reference, repo, head_ref_name));
	must_pass(git_repository_lookup_ref(&reference, repo, current_head_target));

	git_repository_free(repo);
END_TEST

BEGIN_TEST(looking_up_master_then_head)
	git_repository *repo;
	git_reference *reference, *master_ref;

	must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));
	must_pass(git_repository_lookup_ref(&master_ref, repo, current_head_target));
	must_pass(git_repository_lookup_ref(&reference, repo, head_ref_name));

	git_repository_free(repo);
END_TEST