#include "clar_libgit2.h"

#include "submodule_helpers.h"

#include "path.h"

static git_repository *g_parent;

static git_repository *g_child;

static git_submodule *g_module;

void test_submodule_open__initialize(void)

{

	g_parent = setup_fixture_submod2();

}

void test_submodule_open__cleanup(void)

{

	git_submodule_free(g_module);

	git_repository_free(g_child);

	cl_git_sandbox_cleanup();

	g_parent = NULL;

	g_child = NULL;

	g_module = NULL;

}

static void assert_sm_valid(git_repository *parent, git_repository *child, const char *sm_name)

{

	git_buf expected = GIT_BUF_INIT, actual = GIT_BUF_INIT;

	/* assert working directory */

	cl_git_pass(git_buf_joinpath(&expected, git_repository_workdir(parent), sm_name));

	cl_git_pass(git_path_prettify_dir(&expected, expected.ptr, NULL));

	cl_git_pass(git_buf_sets(&actual, git_repository_workdir(child)));

	cl_git_pass(git_path_prettify_dir(&actual, actual.ptr, NULL));

	cl_assert_equal_s(expected.ptr, actual.ptr);

	git_buf_clear(&expected);

	git_buf_clear(&actual);

	/* assert common directory */

	cl_git_pass(git_buf_joinpath(&expected, git_repository_commondir(parent), "modules"));

	cl_git_pass(git_buf_joinpath(&expected, expected.ptr, sm_name));

	cl_git_pass(git_path_prettify_dir(&expected, expected.ptr, NULL));

	cl_git_pass(git_buf_sets(&actual, git_repository_commondir(child)));

	cl_git_pass(git_path_prettify_dir(&actual, actual.ptr, NULL));

	cl_assert_equal_s(expected.ptr, actual.ptr);

	/* assert git directory */

	cl_git_pass(git_buf_sets(&actual, git_repository_path(child)));

	cl_git_pass(git_path_prettify_dir(&actual, actual.ptr, NULL));

	cl_assert_equal_s(expected.ptr, actual.ptr);

	git_buf_free(&expected);

	git_buf_free(&actual);

}

void test_submodule_open__opening_via_lookup_succeeds(void)

{

	cl_git_pass(git_submodule_lookup(&g_module, g_parent, "sm_unchanged"));

	cl_git_pass(git_submodule_open(&g_child, g_module));

	assert_sm_valid(g_parent, g_child, "sm_unchanged");

}

void test_submodule_open__direct_open_succeeds(void)

{

	git_buf path = GIT_BUF_INIT;

	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_parent), "sm_unchanged"));

	cl_git_pass(git_repository_open(&g_child, path.ptr));

	assert_sm_valid(g_parent, g_child, "sm_unchanged");

	git_buf_free(&path);

}

void test_submodule_open__direct_open_succeeds_for_broken_sm_with_gitdir(void)

{

	git_buf path = GIT_BUF_INIT;

	/*

	 * This is actually not a valid submodule, but we

	 * encountered at least one occasion where the gitdir

	 * file existed inside of a submodule's gitdir. As we are

	 * now able to open these submodules correctly, we still

	 * add a test for this.

	 */

	cl_git_mkfile("submod2/.git/modules/sm_unchanged/gitdir", ".git");

	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_parent), "sm_unchanged"));

	cl_git_pass(git_repository_open(&g_child, path.ptr));

	assert_sm_valid(g_parent, g_child, "sm_unchanged");

	git_buf_free(&path);

}