#include "clar_libgit2.h"

static git_repository *g_repo;

void test_object_peel__initialize(void)

{

	cl_git_pass(git_repository_open(&g_repo, cl_fixture("testrepo.git")));

}

void test_object_peel__cleanup(void)

{

	git_repository_free(g_repo);

	g_repo = NULL;

}

static void assert_peel(

	const char *sha,

	git_otype requested_type,

	const char* expected_sha,

	git_otype expected_type)

{

	git_oid oid, expected_oid;

	git_object *obj;

	git_object *peeled;

	cl_git_pass(git_oid_fromstr(&oid, sha));

	cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));

	cl_git_pass(git_object_peel(&peeled, obj, requested_type));

	cl_git_pass(git_oid_fromstr(&expected_oid, expected_sha));

	cl_assert_equal_oid(&expected_oid, git_object_id(peeled));

	cl_assert_equal_i(expected_type, git_object_type(peeled));

	git_object_free(peeled);

	git_object_free(obj);

}

static void assert_peel_error(int error, const char *sha, git_otype requested_type)

{

	git_oid oid;

	git_object *obj;

	git_object *peeled;

	cl_git_pass(git_oid_fromstr(&oid, sha));

	cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));

	cl_assert_equal_i(error, git_object_peel(&peeled, obj, requested_type));

	git_object_free(obj);

}

void test_object_peel__peeling_an_object_into_its_own_type_returns_another_instance_of_it(void)

{

	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT,

		"e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);

	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_TAG,

		"7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_TAG);

	assert_peel("53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE,

		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);

	assert_peel("0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB,

		"0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB);

}

void test_object_peel__tag(void)

{

	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_COMMIT,

		"e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);

	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_TREE,

		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);

	assert_peel_error(GIT_EPEEL, "7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_BLOB);

	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_ANY,

		    "e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);

}

void test_object_peel__commit(void)

{

	assert_peel_error(GIT_EINVALIDSPEC, "e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_BLOB);

	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_TREE,

		    "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);

	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT,

		    "e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);

	assert_peel_error(GIT_EINVALIDSPEC, "e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_TAG);

	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_ANY,

		    "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);

}

void test_object_peel__tree(void)

{

	assert_peel_error(GIT_EINVALIDSPEC, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_BLOB);

	assert_peel("53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE,

		    "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);

	assert_peel_error(GIT_EINVALIDSPEC, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_COMMIT);

	assert_peel_error(GIT_EINVALIDSPEC, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TAG);

	assert_peel_error(GIT_EINVALIDSPEC, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_ANY);

}

void test_object_peel__blob(void)

{

	assert_peel("0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB,

		    "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB);

	assert_peel_error(GIT_EINVALIDSPEC, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_TREE);

	assert_peel_error(GIT_EINVALIDSPEC, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_COMMIT);

	assert_peel_error(GIT_EINVALIDSPEC, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_TAG);

	assert_peel_error(GIT_EINVALIDSPEC, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_ANY);

}

void test_object_peel__target_any_object_for_type_change(void)

{

	/* tag to commit */

	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_ANY,

		"e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);

	/* commit to tree */

	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_ANY,

		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);

}