thodg/libgit2/tests/core/mkdir.c

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• Hash : ecf4f33a
  Author :
  Date : 2018-02-08T11:14:48
  

  Convert usage of `git_buf_free` to new `git_buf_dispose`

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• tests/core/mkdir.c

• #include "clar_libgit2.h"
  #include "fileops.h"
  #include "path.h"
  #include "posix.h"
  
  static void cleanup_basic_dirs(void *ref)
  {
  	GIT_UNUSED(ref);
  	git_futils_rmdir_r("d0", NULL, GIT_RMDIR_EMPTY_HIERARCHY);
  	git_futils_rmdir_r("d1", NULL, GIT_RMDIR_EMPTY_HIERARCHY);
  	git_futils_rmdir_r("d2", NULL, GIT_RMDIR_EMPTY_HIERARCHY);
  	git_futils_rmdir_r("d3", NULL, GIT_RMDIR_EMPTY_HIERARCHY);
  	git_futils_rmdir_r("d4", NULL, GIT_RMDIR_EMPTY_HIERARCHY);
  }
  
  void test_core_mkdir__absolute(void)
  {
  	git_buf path = GIT_BUF_INIT;
  
  	cl_set_cleanup(cleanup_basic_dirs, NULL);
  
  	git_buf_joinpath(&path, clar_sandbox_path(), "d0");
  
  	/* make a directory */
  	cl_assert(!git_path_isdir(path.ptr));
  	cl_git_pass(git_futils_mkdir(path.ptr, 0755, 0));
  	cl_assert(git_path_isdir(path.ptr));
  
  	git_buf_joinpath(&path, path.ptr, "subdir");
  	cl_assert(!git_path_isdir(path.ptr));
  	cl_git_pass(git_futils_mkdir(path.ptr, 0755, 0));
  	cl_assert(git_path_isdir(path.ptr));
  
  	/* ensure mkdir_r works for a single subdir */
  	git_buf_joinpath(&path, path.ptr, "another");
  	cl_assert(!git_path_isdir(path.ptr));
  	cl_git_pass(git_futils_mkdir_r(path.ptr, 0755));
  	cl_assert(git_path_isdir(path.ptr));
  
  	/* ensure mkdir_r works */
  	git_buf_joinpath(&path, clar_sandbox_path(), "d1/foo/bar/asdf");
  	cl_assert(!git_path_isdir(path.ptr));
  	cl_git_pass(git_futils_mkdir_r(path.ptr, 0755));
  	cl_assert(git_path_isdir(path.ptr));
  
  	/* ensure we don't imply recursive */
  	git_buf_joinpath(&path, clar_sandbox_path(), "d2/foo/bar/asdf");
  	cl_assert(!git_path_isdir(path.ptr));
  	cl_git_fail(git_futils_mkdir(path.ptr, 0755, 0));
  	cl_assert(!git_path_isdir(path.ptr));
  
  	git_buf_dispose(&path);
  }
  
  void test_core_mkdir__basic(void)
  {
  	cl_set_cleanup(cleanup_basic_dirs, NULL);
  
  	/* make a directory */
  	cl_assert(!git_path_isdir("d0"));
  	cl_git_pass(git_futils_mkdir("d0", 0755, 0));
  	cl_assert(git_path_isdir("d0"));
  
  	/* make a path */
  	cl_assert(!git_path_isdir("d1"));
  	cl_git_pass(git_futils_mkdir("d1/d1.1/d1.2", 0755, GIT_MKDIR_PATH));
  	cl_assert(git_path_isdir("d1"));
  	cl_assert(git_path_isdir("d1/d1.1"));
  	cl_assert(git_path_isdir("d1/d1.1/d1.2"));
  
  	/* make a dir exclusively */
  	cl_assert(!git_path_isdir("d2"));
  	cl_git_pass(git_futils_mkdir("d2", 0755, GIT_MKDIR_EXCL));
  	cl_assert(git_path_isdir("d2"));
  
  	/* make exclusive failure */
  	cl_git_fail(git_futils_mkdir("d2", 0755, GIT_MKDIR_EXCL));
  
  	/* make a path exclusively */
  	cl_assert(!git_path_isdir("d3"));
  	cl_git_pass(git_futils_mkdir("d3/d3.1/d3.2", 0755, GIT_MKDIR_PATH | GIT_MKDIR_EXCL));
  	cl_assert(git_path_isdir("d3"));
  	cl_assert(git_path_isdir("d3/d3.1/d3.2"));
  
  	/* make exclusive path failure */
  	cl_git_fail(git_futils_mkdir("d3/d3.1/d3.2", 0755, GIT_MKDIR_PATH | GIT_MKDIR_EXCL));
  	/* ??? Should EXCL only apply to the last item in the path? */
  
  	/* path with trailing slash? */
  	cl_assert(!git_path_isdir("d4"));
  	cl_git_pass(git_futils_mkdir("d4/d4.1/", 0755, GIT_MKDIR_PATH));
  	cl_assert(git_path_isdir("d4/d4.1"));
  }
  
  static void cleanup_basedir(void *ref)
  {
  	GIT_UNUSED(ref);
  	git_futils_rmdir_r("base", NULL, GIT_RMDIR_EMPTY_HIERARCHY);
  }
  
  void test_core_mkdir__with_base(void)
  {
  #define BASEDIR "base/dir/here"
  
  	cl_set_cleanup(cleanup_basedir, NULL);
  
  	cl_git_pass(git_futils_mkdir(BASEDIR, 0755, GIT_MKDIR_PATH));
  
  	cl_git_pass(git_futils_mkdir_relative("a", BASEDIR, 0755, 0, NULL));
  	cl_assert(git_path_isdir(BASEDIR "/a"));
  
  	cl_git_pass(git_futils_mkdir_relative("b/b1/b2", BASEDIR, 0755, GIT_MKDIR_PATH, NULL));
  	cl_assert(git_path_isdir(BASEDIR "/b/b1/b2"));
  
  	/* exclusive with existing base */
  	cl_git_pass(git_futils_mkdir_relative("c/c1/c2", BASEDIR, 0755, GIT_MKDIR_PATH | GIT_MKDIR_EXCL, NULL));
  
  	/* fail: exclusive with duplicated suffix */
  	cl_git_fail(git_futils_mkdir_relative("c/c1/c3", BASEDIR, 0755, GIT_MKDIR_PATH | GIT_MKDIR_EXCL, NULL));
  
  	/* fail: exclusive with any duplicated component */
  	cl_git_fail(git_futils_mkdir_relative("c/cz/cz", BASEDIR, 0755, GIT_MKDIR_PATH | GIT_MKDIR_EXCL, NULL));
  
  	/* success: exclusive without path */
  	cl_git_pass(git_futils_mkdir_relative("c/c1/c3", BASEDIR, 0755, GIT_MKDIR_EXCL, NULL));
  
  	/* path with shorter base and existing dirs */
  	cl_git_pass(git_futils_mkdir_relative("dir/here/d/", "base", 0755, GIT_MKDIR_PATH, NULL));
  	cl_assert(git_path_isdir("base/dir/here/d"));
  
  	/* fail: path with shorter base and existing dirs */
  	cl_git_fail(git_futils_mkdir_relative("dir/here/e/", "base", 0755, GIT_MKDIR_PATH | GIT_MKDIR_EXCL, NULL));
  
  	/* fail: base with missing components */
  	cl_git_fail(git_futils_mkdir_relative("f/", "base/missing", 0755, GIT_MKDIR_PATH, NULL));
  
  	/* success: shift missing component to path */
  	cl_git_pass(git_futils_mkdir_relative("missing/f/", "base/", 0755, GIT_MKDIR_PATH, NULL));
  }
  
  static void cleanup_chmod_root(void *ref)
  {
  	mode_t *mode = ref;
  
  	if (mode != NULL) {
  		(void)p_umask(*mode);
  		git__free(mode);
  	}
  
  	git_futils_rmdir_r("r", NULL, GIT_RMDIR_EMPTY_HIERARCHY);
  }
  
  #define check_mode(X,A) check_mode_at_line((X), (A), __FILE__, __LINE__)
  
  static void check_mode_at_line(
  	mode_t expected, mode_t actual, const char *file, int line)
  {
  	/* FAT filesystems don't support exec bit, nor group/world bits */
  	if (!cl_is_chmod_supported()) {
  		expected &= 0600;
  		actual &= 0600;
  	}
  
  	clar__assert_equal(
  		file, line, "expected_mode != actual_mode", 1,
  		"%07o", (int)expected, (int)(actual & 0777));
  }
  
  void test_core_mkdir__chmods(void)
  {
  	struct stat st;
  	mode_t *old = git__malloc(sizeof(mode_t));
  	*old = p_umask(022);
  
  	cl_set_cleanup(cleanup_chmod_root, old);
  
  	cl_git_pass(git_futils_mkdir("r", 0777, 0));
  
  	cl_git_pass(git_futils_mkdir_relative("mode/is/important", "r", 0777, GIT_MKDIR_PATH, NULL));
  
  	cl_git_pass(git_path_lstat("r/mode", &st));
  	check_mode(0755, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode/is", &st));
  	check_mode(0755, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode/is/important", &st));
  	check_mode(0755, st.st_mode);
  
  	cl_git_pass(git_futils_mkdir_relative("mode2/is2/important2", "r", 0777, GIT_MKDIR_PATH | GIT_MKDIR_CHMOD, NULL));
  
  	cl_git_pass(git_path_lstat("r/mode2", &st));
  	check_mode(0755, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode2/is2", &st));
  	check_mode(0755, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode2/is2/important2", &st));
  	check_mode(0777, st.st_mode);
  
  	cl_git_pass(git_futils_mkdir_relative("mode3/is3/important3", "r", 0777, GIT_MKDIR_PATH | GIT_MKDIR_CHMOD_PATH, NULL));
  
  	cl_git_pass(git_path_lstat("r/mode3", &st));
  	check_mode(0777, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode3/is3", &st));
  	check_mode(0777, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode3/is3/important3", &st));
  	check_mode(0777, st.st_mode);
  
  	/* test that we chmod existing dir */
  
  	cl_git_pass(git_futils_mkdir_relative("mode/is/important", "r", 0777, GIT_MKDIR_PATH | GIT_MKDIR_CHMOD, NULL));
  
  	cl_git_pass(git_path_lstat("r/mode", &st));
  	check_mode(0755, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode/is", &st));
  	check_mode(0755, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode/is/important", &st));
  	check_mode(0777, st.st_mode);
  
  	/* test that we chmod even existing dirs if CHMOD_PATH is set */
  
  	cl_git_pass(git_futils_mkdir_relative("mode2/is2/important2.1", "r", 0777, GIT_MKDIR_PATH | GIT_MKDIR_CHMOD_PATH, NULL));
  
  	cl_git_pass(git_path_lstat("r/mode2", &st));
  	check_mode(0777, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode2/is2", &st));
  	check_mode(0777, st.st_mode);
  	cl_git_pass(git_path_lstat("r/mode2/is2/important2.1", &st));
  	check_mode(0777, st.st_mode);
  }
  
  void test_core_mkdir__keeps_parent_symlinks(void)
  {
  #ifndef GIT_WIN32
  	git_buf path = GIT_BUF_INIT;
  
  	cl_set_cleanup(cleanup_basic_dirs, NULL);
  
  	/* make a directory */
  	cl_assert(!git_path_isdir("d0"));
  	cl_git_pass(git_futils_mkdir("d0", 0755, 0));
  	cl_assert(git_path_isdir("d0"));
  
  	cl_must_pass(symlink("d0", "d1"));
  	cl_assert(git_path_islink("d1"));
  
  	cl_git_pass(git_futils_mkdir("d1/foo/bar", 0755, GIT_MKDIR_PATH|GIT_MKDIR_REMOVE_SYMLINKS));
  	cl_assert(git_path_islink("d1"));
  	cl_assert(git_path_isdir("d1/foo/bar"));
  	cl_assert(git_path_isdir("d0/foo/bar"));
  
  	cl_must_pass(symlink("d0", "d2"));
  	cl_assert(git_path_islink("d2"));
  
  	git_buf_joinpath(&path, clar_sandbox_path(), "d2/other/dir");
  
  	cl_git_pass(git_futils_mkdir(path.ptr, 0755, GIT_MKDIR_PATH|GIT_MKDIR_REMOVE_SYMLINKS));
  	cl_assert(git_path_islink("d2"));
  	cl_assert(git_path_isdir("d2/other/dir"));
  	cl_assert(git_path_isdir("d0/other/dir"));
  
  	git_buf_dispose(&path);
  #endif
  }
  
  void test_core_mkdir__mkdir_path_inside_unwriteable_parent(void)
  {
  	struct stat st;
  	mode_t *old;
  
  	/* FAT filesystems don't support exec bit, nor group/world bits */
  	if (!cl_is_chmod_supported())
  		return;
  
  	cl_assert((old = git__malloc(sizeof(mode_t))) != NULL);
  	*old = p_umask(022);
  	cl_set_cleanup(cleanup_chmod_root, old);
  
  	cl_git_pass(git_futils_mkdir("r", 0777, 0));
  	cl_git_pass(git_futils_mkdir_relative("mode/is/important", "r", 0777, GIT_MKDIR_PATH, NULL));
  	cl_git_pass(git_path_lstat("r/mode", &st));
  	check_mode(0755, st.st_mode);
  
  	cl_must_pass(p_chmod("r/mode", 0111));
  	cl_git_pass(git_path_lstat("r/mode", &st));
  	check_mode(0111, st.st_mode);
  
  	cl_git_pass(
  		git_futils_mkdir_relative("mode/is/okay/inside", "r", 0777, GIT_MKDIR_PATH, NULL));
  	cl_git_pass(git_path_lstat("r/mode/is/okay/inside", &st));
  	check_mode(0755, st.st_mode);
  
  	cl_must_pass(p_chmod("r/mode", 0777));
  }
  

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