thodg/libgit2/tests/t12-repo.c

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• Hash : 858dba58
  Author :
  Date : 2011-07-06T18:08:13
  

  refs: Cleanup reference renaming `git_futils_rmdir_r`: rename, clean up. `git_reference_rename`: cleanup. Do not use 3x4096 buffers on the stack or things will get ugly very fast. We can reuse the same buffer.

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• tests/t12-repo.c

• /*
   * This file is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License, version 2,
   * as published by the Free Software Foundation.
   *
   * In addition to the permissions in the GNU General Public License,
   * the authors give you unlimited permission to link the compiled
   * version of this file into combinations with other programs,
   * and to distribute those combinations without any restriction
   * coming from the use of this file.  (The General Public License
   * restrictions do apply in other respects; for example, they cover
   * modification of the file, and distribution when not linked into
   * a combined executable.)
   *
   * This file is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; see the file COPYING.  If not, write to
   * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  #include "test_lib.h"
  #include "test_helpers.h"
  
  #include "odb.h"
  #include "git2/odb_backend.h"
  #include "repository.h"
  
  typedef struct {
  	git_odb_backend base;
  	int position;
  } fake_backend;
  
  git_odb_backend *new_backend(int position)
  {
  	fake_backend *b;
  
  	b = git__malloc(sizeof(fake_backend));
  	if (b == NULL)
  		return NULL;
  
  	memset(b, 0x0, sizeof(fake_backend));
  	b->position = position;
  	return (git_odb_backend *)b;
  }
  
  int test_backend_sorting(git_odb *odb)
  {
  	unsigned int i;
  
  	for (i = 0; i < odb->backends.length; ++i) {
  		fake_backend *internal = *((fake_backend **)git_vector_get(&odb->backends, i));
  
  		if (internal == NULL)
  			return GIT_ERROR;
  
  		if (internal->position != (int)i)
  			return GIT_ERROR;
  	}
  
  	return GIT_SUCCESS;
  }
  
  BEGIN_TEST(odb0, "assure that ODB backends are properly sorted")
  	git_odb *odb;
  	must_pass(git_odb_new(&odb));
  	must_pass(git_odb_add_backend(odb, new_backend(0), 5));
  	must_pass(git_odb_add_backend(odb, new_backend(2), 3));
  	must_pass(git_odb_add_backend(odb, new_backend(1), 4));
  	must_pass(git_odb_add_backend(odb, new_backend(3), 1));
  	must_pass(test_backend_sorting(odb));
  	git_odb_close(odb);
  END_TEST
  
  BEGIN_TEST(odb1, "assure that alternate backends are properly sorted")
  	git_odb *odb;
  	must_pass(git_odb_new(&odb));
  	must_pass(git_odb_add_backend(odb, new_backend(0), 5));
  	must_pass(git_odb_add_backend(odb, new_backend(2), 3));
  	must_pass(git_odb_add_backend(odb, new_backend(1), 4));
  	must_pass(git_odb_add_backend(odb, new_backend(3), 1));
  	must_pass(git_odb_add_alternate(odb, new_backend(4), 5));
  	must_pass(git_odb_add_alternate(odb, new_backend(6), 3));
  	must_pass(git_odb_add_alternate(odb, new_backend(5), 4));
  	must_pass(git_odb_add_alternate(odb, new_backend(7), 1));
  	must_pass(test_backend_sorting(odb));
  	git_odb_close(odb);
  END_TEST
  
  
  #define STANDARD_REPOSITORY 0
  #define BARE_REPOSITORY 1
  
  static int ensure_repository_init(
  	const char *working_directory,
  	int repository_kind,
  	const char *expected_path_index,
  	const char *expected_path_repository,
  	const char *expected_working_directory)
  {
  	char path_odb[GIT_PATH_MAX];
  	git_repository *repo;
  
  	if (git_futils_isdir(working_directory) == GIT_SUCCESS)
  		return GIT_ERROR;
  
  	git_path_join(path_odb, expected_path_repository, GIT_OBJECTS_DIR);
  
  	if (git_repository_init(&repo, working_directory, repository_kind) < GIT_SUCCESS)
  		return GIT_ERROR;
  
  	if (repo->path_workdir != NULL || expected_working_directory != NULL) {
  		if (git__suffixcmp(repo->path_workdir, expected_working_directory) != 0)
  			goto cleanup;
  	}
  
  	if (git__suffixcmp(repo->path_odb, path_odb) != 0)
  		goto cleanup;
  
  	if (git__suffixcmp(repo->path_repository, expected_path_repository) != 0)
  		goto cleanup;
  
  	if (repo->path_index != NULL || expected_path_index != NULL) {
  		if (git__suffixcmp(repo->path_index, expected_path_index) != 0)
  			goto cleanup;
  
  #ifdef GIT_WIN32
  		if ((GetFileAttributes(repo->path_repository) & FILE_ATTRIBUTE_HIDDEN) == 0)
  			goto cleanup;
  #endif
  
  		if (git_repository_is_bare(repo) == 1)
  			goto cleanup;
  	} else if (git_repository_is_bare(repo) == 0)
  			goto cleanup;
  
  	if (git_repository_is_empty(repo) == 0)
  		goto cleanup;
  
  	git_repository_free(repo);
  	git_futils_rmdir_r(working_directory, 1);
  
  	return GIT_SUCCESS;
  
  cleanup:
  	git_repository_free(repo);
  	git_futils_rmdir_r(working_directory, 1);
  	return GIT_ERROR;
  }
  
  BEGIN_TEST(init0, "initialize a standard repo")
  	char path_index[GIT_PATH_MAX], path_repository[GIT_PATH_MAX];
  
  	git_path_join(path_repository, TEMP_REPO_FOLDER, GIT_DIR);
  	git_path_join(path_index, path_repository, GIT_INDEX_FILE);
  
  	must_pass(ensure_repository_init(TEMP_REPO_FOLDER, STANDARD_REPOSITORY, path_index, path_repository, TEMP_REPO_FOLDER));
  	must_pass(ensure_repository_init(TEMP_REPO_FOLDER_NS, STANDARD_REPOSITORY, path_index, path_repository, TEMP_REPO_FOLDER));
  END_TEST
  
  BEGIN_TEST(init1, "initialize a bare repo")
  	char path_repository[GIT_PATH_MAX];
  
  	git_path_join(path_repository, TEMP_REPO_FOLDER, "");
  
  	must_pass(ensure_repository_init(TEMP_REPO_FOLDER, BARE_REPOSITORY, NULL, path_repository, NULL));
  	must_pass(ensure_repository_init(TEMP_REPO_FOLDER_NS, BARE_REPOSITORY, NULL, path_repository, NULL));
  END_TEST
  
  BEGIN_TEST(init2, "Initialize and open a bare repo with a relative path escaping out of the current working directory")
  	char path_repository[GIT_PATH_MAX];
  	char current_workdir[GIT_PATH_MAX];
  	const int mode = 0755; /* or 0777 ? */
  	git_repository* repo;
  
  	must_pass(p_getcwd(current_workdir, sizeof(current_workdir)));
  
  	git_path_join(path_repository, TEMP_REPO_FOLDER, "a/b/c/");
  	must_pass(git_futils_mkdir_r(path_repository, mode));
  
  	must_pass(chdir(path_repository));
  
  	must_pass(git_repository_init(&repo, "../d/e.git", 1));
  	must_pass(git__suffixcmp(repo->path_repository, "/a/b/d/e.git/"));
  
  	git_repository_free(repo);
  
  	must_pass(git_repository_open(&repo, "../d/e.git"));
  
  	git_repository_free(repo);
  
  	must_pass(chdir(current_workdir));
  	must_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, 1));
  END_TEST
  
  #define EMPTY_BARE_REPOSITORY_NAME		"empty_bare.git"
  #define EMPTY_BARE_REPOSITORY_FOLDER	TEST_RESOURCES "/" EMPTY_BARE_REPOSITORY_NAME "/"
  
  BEGIN_TEST(open0, "Open a bare repository that has just been initialized by git")
  	git_repository *repo;
  
  	must_pass(copydir_recurs(EMPTY_BARE_REPOSITORY_FOLDER, TEMP_REPO_FOLDER));
  	must_pass(remove_placeholders(TEMP_REPO_FOLDER, "dummy-marker.txt"));
  
  	must_pass(git_repository_open(&repo, TEMP_REPO_FOLDER));
  	must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
  	must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) == NULL);
  
  	git_repository_free(repo);
  	must_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, 1));
  END_TEST
  
  #define SOURCE_EMPTY_REPOSITORY_NAME	"empty_standard_repo/.gitted"
  #define EMPTY_REPOSITORY_NAME			"empty_standard_repo/.git"
  #define EMPTY_REPOSITORY_FOLDER			TEST_RESOURCES "/" SOURCE_EMPTY_REPOSITORY_NAME "/"
  #define DEST_REPOSITORY_FOLDER			TEMP_REPO_FOLDER DOT_GIT "/"
  
  BEGIN_TEST(open1, "Open a standard repository that has just been initialized by git")
  	git_repository *repo;
  
  	must_pass(copydir_recurs(EMPTY_REPOSITORY_FOLDER, DEST_REPOSITORY_FOLDER));
  	must_pass(remove_placeholders(DEST_REPOSITORY_FOLDER, "dummy-marker.txt"));
  
  	must_pass(git_repository_open(&repo, DEST_REPOSITORY_FOLDER));
  	must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
  	must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) != NULL);
  
  	git_repository_free(repo);
  	must_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, 1));
  END_TEST
  
  
  BEGIN_TEST(open2, "Open a bare repository with a relative path escaping out of the current working directory")
  	char new_current_workdir[GIT_PATH_MAX];
  	char current_workdir[GIT_PATH_MAX];
  	char path_repository[GIT_PATH_MAX];
  
  	const int mode = 0755; /* or 0777 ? */
  	git_repository* repo;
  
  	/* Setup the repository to open */
  	must_pass(p_getcwd(current_workdir, sizeof(current_workdir)));
  	strcpy(path_repository, current_workdir);
  	git_path_join_n(path_repository, 3, path_repository, TEMP_REPO_FOLDER, "a/d/e.git");
  	must_pass(copydir_recurs(REPOSITORY_FOLDER, path_repository));
  
  	/* Change the current working directory */
  	git_path_join(new_current_workdir, TEMP_REPO_FOLDER, "a/b/c/");
  	must_pass(git_futils_mkdir_r(new_current_workdir, mode));
  	must_pass(chdir(new_current_workdir));
  
  	must_pass(git_repository_open(&repo, "../../d/e.git"));
  
  	git_repository_free(repo);
  
  	must_pass(chdir(current_workdir));
  	must_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, 1));
  END_TEST
  
  BEGIN_TEST(empty0, "test if a repository is empty or not")
  
  	git_repository *repo_empty, *repo_normal;
  
  	must_pass(git_repository_open(&repo_normal, REPOSITORY_FOLDER));
  	must_be_true(git_repository_is_empty(repo_normal) == 0);
  	git_repository_free(repo_normal);
  
  	must_pass(git_repository_open(&repo_empty, EMPTY_BARE_REPOSITORY_FOLDER));
  	must_be_true(git_repository_is_empty(repo_empty) == 1);
  	git_repository_free(repo_empty);
  END_TEST
  
  BEGIN_TEST(detached0, "test if HEAD is detached")
  	git_repository *repo;
  	git_reference *ref;
  	git_oid oid;
  
  	must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));
  
  	must_be_true(git_repository_head_detached(repo) == 0);
  
  	/* detach the HEAD */
  	git_oid_fromstr(&oid, "c47800c7266a2be04c571c04d5a6614691ea99bd");
  	must_pass(git_reference_create_oid(&ref, repo, "HEAD", &oid, 1));
  	must_be_true(git_repository_head_detached(repo) == 1);
  
  	/* take the reop back to it's original state */
  	must_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));
  	must_be_true(git_repository_head_detached(repo) == 0);
  
  	git_repository_free(repo);
  END_TEST
  
  BEGIN_TEST(orphan0, "test if HEAD is orphan")
  	git_repository *repo;
  	git_reference *ref;
  
  	must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));
  
  	must_be_true(git_repository_head_orphan(repo) == 0);
  
  	/* orphan HEAD */
  	must_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/orphan", 1));
  	must_be_true(git_repository_head_orphan(repo) == 1);
  
  	/* take the reop back to it's original state */
  	must_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));
  	must_be_true(git_repository_head_orphan(repo) == 0);
  
  	git_repository_free(repo);
  END_TEST
  
  #define DISCOVER_FOLDER TEST_RESOURCES "/discover.git"
  
  #define SUB_REPOSITORY_FOLDER_NAME "sub_repo"
  #define SUB_REPOSITORY_FOLDER DISCOVER_FOLDER "/" SUB_REPOSITORY_FOLDER_NAME
  #define SUB_REPOSITORY_FOLDER_SUB SUB_REPOSITORY_FOLDER "/sub"
  #define SUB_REPOSITORY_FOLDER_SUB_SUB SUB_REPOSITORY_FOLDER_SUB "/subsub"
  #define SUB_REPOSITORY_FOLDER_SUB_SUB_SUB SUB_REPOSITORY_FOLDER_SUB_SUB "/subsubsub"
  
  #define REPOSITORY_ALTERNATE_FOLDER DISCOVER_FOLDER "/alternate_sub_repo"
  #define REPOSITORY_ALTERNATE_FOLDER_SUB REPOSITORY_ALTERNATE_FOLDER "/sub"
  #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB "/subsub"
  #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/subsubsub"
  
  #define ALTERNATE_MALFORMED_FOLDER1 DISCOVER_FOLDER "/alternate_malformed_repo1"
  #define ALTERNATE_MALFORMED_FOLDER2 DISCOVER_FOLDER "/alternate_malformed_repo2"
  #define ALTERNATE_MALFORMED_FOLDER3 DISCOVER_FOLDER "/alternate_malformed_repo3"
  #define ALTERNATE_NOT_FOUND_FOLDER DISCOVER_FOLDER "/alternate_not_found_repo"
  
  static int ensure_repository_discover(const char *start_path, const char *ceiling_dirs, const char *expected_path)
  {
  	int error;
  	char found_path[GIT_PATH_MAX];
  
  	error = git_repository_discover(found_path, sizeof(found_path), start_path, 0, ceiling_dirs);
  	//across_fs is always 0 as we can't automate the filesystem change tests
  
  	if (error < GIT_SUCCESS)
  		return error;
  
  	return strcmp(found_path, expected_path) ? GIT_ERROR : GIT_SUCCESS;
  }
  
  static int write_file(const char *path, const char *content)
  {
  	int error;
  	git_file file;
  
  	if (git_futils_exists(path) == GIT_SUCCESS) {
  		error = p_unlink(path);
  
  		if (error < GIT_SUCCESS)
  			return error;
  	}
  
  	file = git_futils_creat_withpath(path, 0644);
  	if (file < GIT_SUCCESS)
  		return file;
  
  	error = p_write(file, (void*)content, strlen(content) * sizeof(char));
  
  	p_close(file);
  
  	return error;
  }
  
  //no check is performed on ceiling_dirs length, so be sure it's long enough
  static int append_ceiling_dir(char *ceiling_dirs, const char *path)
  {
  	int len = strlen(ceiling_dirs);
  	int error;
  
  	error = git_path_prettify_dir(ceiling_dirs + len + (len ? 1 : 0), path, NULL);
  	if (error < GIT_SUCCESS)
  		return git__rethrow(error, "Failed to append ceiling directory.");
  
  	if (len)
  		ceiling_dirs[len] = GIT_PATH_LIST_SEPARATOR;
  
  	return GIT_SUCCESS;
  }
  
  BEGIN_TEST(discover0, "test discover")
  	git_repository *repo;
  	char ceiling_dirs[GIT_PATH_MAX * 2] = "";
  	char repository_path[GIT_PATH_MAX];
  	char sub_repository_path[GIT_PATH_MAX];
  	char found_path[GIT_PATH_MAX];
  	int mode = 0755;
  
  	must_pass(append_ceiling_dir(ceiling_dirs,TEST_RESOURCES));
  	git_futils_mkdir_r(DISCOVER_FOLDER, mode);
  
  	must_be_true(git_repository_discover(repository_path, sizeof(repository_path), DISCOVER_FOLDER, 0, ceiling_dirs) == GIT_ENOTAREPO);
  
  	must_pass(git_repository_init(&repo, DISCOVER_FOLDER, 1));
  	must_pass(git_repository_discover(repository_path, sizeof(repository_path), DISCOVER_FOLDER, 0, ceiling_dirs));
  	git_repository_free(repo);
  
  	must_pass(git_repository_init(&repo, SUB_REPOSITORY_FOLDER, 0));
  	must_pass(git_futils_mkdir_r(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
  	must_pass(git_repository_discover(sub_repository_path, sizeof(sub_repository_path), SUB_REPOSITORY_FOLDER, 0, ceiling_dirs));
  
  	must_pass(git_futils_mkdir_r(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
  	must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB, ceiling_dirs, sub_repository_path));
  	must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
  	must_pass(ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, ceiling_dirs, sub_repository_path));
  
  	must_pass(git_futils_mkdir_r(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, mode));
  	must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER "/" DOT_GIT, "gitdir: ../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT));
  	must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/" DOT_GIT, "gitdir: ../../../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT));
  	must_pass(write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB "/" DOT_GIT, "gitdir: ../../../../"));
  	must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, sub_repository_path));
  	must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, sub_repository_path));
  	must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
  	must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, repository_path));
  
  	must_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER1, mode));
  	must_pass(write_file(ALTERNATE_MALFORMED_FOLDER1 "/" DOT_GIT, "Anything but not gitdir:"));
  	must_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER2, mode));
  	must_pass(write_file(ALTERNATE_MALFORMED_FOLDER2 "/" DOT_GIT, "gitdir:"));
  	must_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER3, mode));
  	must_pass(write_file(ALTERNATE_MALFORMED_FOLDER3 "/" DOT_GIT, "gitdir: \n\n\n"));
  	must_pass(git_futils_mkdir_r(ALTERNATE_NOT_FOUND_FOLDER, mode));
  	must_pass(write_file(ALTERNATE_NOT_FOUND_FOLDER "/" DOT_GIT, "gitdir: a_repository_that_surely_does_not_exist"));
  	must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER1, 0, ceiling_dirs));
  	must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER2, 0, ceiling_dirs));
  	must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_MALFORMED_FOLDER3, 0, ceiling_dirs));
  	must_fail(git_repository_discover(found_path, sizeof(found_path), ALTERNATE_NOT_FOUND_FOLDER, 0, ceiling_dirs));
  
  	must_pass(append_ceiling_dir(ceiling_dirs, SUB_REPOSITORY_FOLDER));
  	//this must pass as ceiling_directories cannot predent the current
  	//working directory to be checked
  	must_pass(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER, 0, ceiling_dirs));
  	must_fail(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB, 0, ceiling_dirs));
  	must_fail(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB_SUB, 0, ceiling_dirs));
  	must_fail(git_repository_discover(found_path, sizeof(found_path), SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, 0, ceiling_dirs));
  
  	//.gitfile redirection should not be affected by ceiling directories
  	must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, sub_repository_path));
  	must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, sub_repository_path));
  	must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path));
  	must_pass(ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, repository_path));
  
  	must_pass(git_futils_rmdir_r(DISCOVER_FOLDER, 1));
  	git_repository_free(repo);
  END_TEST
  
  BEGIN_SUITE(repository)
  	ADD_TEST(odb0);
  	ADD_TEST(odb1);
  	ADD_TEST(init0);
  	ADD_TEST(init1);
  	ADD_TEST(init2);
  	ADD_TEST(open0);
  	ADD_TEST(open1);
  	ADD_TEST(open2);
  	ADD_TEST(empty0);
  	ADD_TEST(detached0);
  	ADD_TEST(orphan0);
  	ADD_TEST(discover0);
  END_SUITE
  
  

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