#include "clar_libgit2.h"

#include "refspec.h"

#include "remote.h"

static void assert_refspec(unsigned int direction, const char *input, bool is_expected_to_be_valid)

{

	git_refspec refspec;

	int error;

	error = git_refspec__parse(&refspec, input, direction == GIT_DIRECTION_FETCH);

	git_refspec__free(&refspec);

	if (is_expected_to_be_valid)

		cl_assert_equal_i(0, error);

	else

		cl_assert_equal_i(GIT_ERROR, error);

}

void test_network_refspecs__parsing(void)

{

	// Ported from https://github.com/git/git/blob/abd2bde78bd994166900290434a2048e660dabed/t/t5511-refspec.sh

	assert_refspec(GIT_DIRECTION_PUSH, "", false);

	assert_refspec(GIT_DIRECTION_PUSH, ":", true);

	assert_refspec(GIT_DIRECTION_PUSH, "::", false);

	assert_refspec(GIT_DIRECTION_PUSH, "+:", true);

	assert_refspec(GIT_DIRECTION_FETCH, "", true);

	assert_refspec(GIT_DIRECTION_PUSH, ":", true);

	assert_refspec(GIT_DIRECTION_FETCH, "::", false);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/*:refs/remotes/frotz/*", true);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/*:refs/remotes/frotz", false);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads:refs/remotes/frotz/*", false);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/master:refs/remotes/frotz/xyzzy", true);

	/*

	 * These have invalid LHS, but we do not have a formal "valid sha-1

	 * expression syntax checker" so they are not checked with the current

	 * code.  They will be caught downstream anyway, but we may want to

	 * have tighter check later...

	 */

	//assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/master::refs/remotes/frotz/xyzzy", false);

	//assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/maste :refs/remotes/frotz/xyzzy", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/*:refs/remotes/frotz/*", true);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/*:refs/remotes/frotz", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads:refs/remotes/frotz/*", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/master:refs/remotes/frotz/xyzzy", true);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/master::refs/remotes/frotz/xyzzy", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/maste :refs/remotes/frotz/xyzzy", false);

	assert_refspec(GIT_DIRECTION_PUSH, "master~1:refs/remotes/frotz/backup", true);

	assert_refspec(GIT_DIRECTION_FETCH, "master~1:refs/remotes/frotz/backup", false);

	assert_refspec(GIT_DIRECTION_PUSH, "HEAD~4:refs/remotes/frotz/new", true);

	assert_refspec(GIT_DIRECTION_FETCH, "HEAD~4:refs/remotes/frotz/new", false);

	assert_refspec(GIT_DIRECTION_PUSH, "HEAD", true);

	assert_refspec(GIT_DIRECTION_FETCH, "HEAD", true);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/ nitfol", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/ nitfol", false);

	assert_refspec(GIT_DIRECTION_PUSH, "HEAD:", false);

	assert_refspec(GIT_DIRECTION_FETCH, "HEAD:", true);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/ nitfol:", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/ nitfol:", false);

	assert_refspec(GIT_DIRECTION_PUSH, ":refs/remotes/frotz/deleteme", true);

	assert_refspec(GIT_DIRECTION_FETCH, ":refs/remotes/frotz/HEAD-to-me", true);

	assert_refspec(GIT_DIRECTION_PUSH, ":refs/remotes/frotz/delete me", false);

	assert_refspec(GIT_DIRECTION_FETCH, ":refs/remotes/frotz/HEAD to me", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/*/for-linus:refs/remotes/mine/*-blah", false);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/*/for-linus:refs/remotes/mine/*-blah", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads*/for-linus:refs/remotes/mine/*", false);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads*/for-linus:refs/remotes/mine/*", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/*/*/for-linus:refs/remotes/mine/*", false);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/*/*/for-linus:refs/remotes/mine/*", false);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/heads/*/for-linus:refs/remotes/mine/*", true);

	assert_refspec(GIT_DIRECTION_PUSH, "refs/heads/*/for-linus:refs/remotes/mine/*", true);

	assert_refspec(GIT_DIRECTION_FETCH, "master", true);

	assert_refspec(GIT_DIRECTION_PUSH, "master", true);

	assert_refspec(GIT_DIRECTION_FETCH, "refs/pull/*/head:refs/remotes/origin/pr/*", true);

}

static void assert_valid_transform(const char *refspec, const char *name, const char *result)

{

	git_refspec spec;

	git_buf buf = GIT_BUF_INIT;

	git_refspec__parse(&spec, refspec, true);

	cl_git_pass(git_refspec_transform(&buf, &spec, name));

	cl_assert_equal_s(result, buf.ptr);

	git_buf_free(&buf;;

	git_refspec__free(&spec);

}

void test_network_refspecs__transform_mid_star(void)

{

	assert_valid_transform("refs/pull/*/head:refs/remotes/origin/pr/*", "refs/pull/23/head", "refs/remotes/origin/pr/23");

	assert_valid_transform("refs/heads/*:refs/remotes/origin/*", "refs/heads/master", "refs/remotes/origin/master");

	assert_valid_transform("refs/heads/*:refs/remotes/origin/*", "refs/heads/user/feature", "refs/remotes/origin/user/feature");

	assert_valid_transform("refs/heads/*:refs/heads/*", "refs/heads/master", "refs/heads/master");

	assert_valid_transform("refs/heads/*:refs/heads/*", "refs/heads/user/feature", "refs/heads/user/feature");

	assert_valid_transform("refs/*:refs/*", "refs/heads/master", "refs/heads/master");

}

static void assert_invalid_transform(const char *refspec, const char *name)

{

	git_refspec spec;

	git_buf buf = GIT_BUF_INIT;

	git_refspec__parse(&spec, refspec, true);

	cl_git_fail(git_refspec_transform(&buf, &spec, name));

	git_buf_free(&buf;;

	git_refspec__free(&spec);

}

void test_network_refspecs__invalid(void)

{

	assert_invalid_transform("refs/heads/*:refs/remotes/origin/*", "master");

	assert_invalid_transform("refs/heads/*:refs/remotes/origin/*", "refs/headz/master");

}

static void assert_invalid_rtransform(const char *refspec, const char *name)

{

	git_refspec spec;

	git_buf buf = GIT_BUF_INIT;

	git_refspec__parse(&spec, refspec, true);

	cl_git_fail(git_refspec_rtransform(&buf, &spec, name));

	git_buf_free(&buf;;

	git_refspec__free(&spec);

}

void test_network_refspecs__invalid_reverse(void)

{

	assert_invalid_rtransform("refs/heads/*:refs/remotes/origin/*", "master");

	assert_invalid_rtransform("refs/heads/*:refs/remotes/origin/*", "refs/remotes/o/master");

}

void test_network_refspecs__matching(void)

{

	git_refspec spec;

	cl_git_pass(git_refspec__parse(&spec, ":", false));

	cl_assert_equal_s(":", spec.string);

	cl_assert_equal_s("", spec.src);

	cl_assert_equal_s("", spec.dst);

	git_refspec__free(&spec);

}