thodg/libgit2/tests/core/filebuf.c
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Hash : c10ce7c2
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Date : 2017-03-20T12:11:05
tests: filebuf: test writing to symlink with absolute paths
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tests/core/filebuf.c
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#include "clar_libgit2.h" #include "filebuf.h" /* make sure git_filebuf_open doesn't delete an existing lock */ void test_core_filebuf__0(void) { git_filebuf file = GIT_FILEBUF_INIT; int fd; char test[] = "test", testlock[] = "test.lock"; fd = p_creat(testlock, 0744); //-V536 cl_must_pass(fd); cl_must_pass(p_close(fd)); cl_git_fail(git_filebuf_open(&file, test, 0, 0666)); cl_assert(git_path_exists(testlock)); cl_must_pass(p_unlink(testlock)); } /* make sure GIT_FILEBUF_APPEND works as expected */ void test_core_filebuf__1(void) { git_filebuf file = GIT_FILEBUF_INIT; char test[] = "test"; cl_git_mkfile(test, "libgit2 rocks\n"); cl_git_pass(git_filebuf_open(&file, test, GIT_FILEBUF_APPEND, 0666)); cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks")); cl_git_pass(git_filebuf_commit(&file)); cl_assert_equal_file("libgit2 rocks\nlibgit2 rocks\n", 0, test); cl_must_pass(p_unlink(test)); } /* make sure git_filebuf_write writes large buffer correctly */ void test_core_filebuf__2(void) { git_filebuf file = GIT_FILEBUF_INIT; char test[] = "test"; unsigned char buf[4096 * 4]; /* 2 * WRITE_BUFFER_SIZE */ memset(buf, 0xfe, sizeof(buf)); cl_git_pass(git_filebuf_open(&file, test, 0, 0666)); cl_git_pass(git_filebuf_write(&file, buf, sizeof(buf))); cl_git_pass(git_filebuf_commit(&file)); cl_assert_equal_file((char *)buf, sizeof(buf), test); cl_must_pass(p_unlink(test)); } /* make sure git_filebuf_cleanup clears the buffer */ void test_core_filebuf__4(void) { git_filebuf file = GIT_FILEBUF_INIT; char test[] = "test"; cl_assert(file.buffer == NULL); cl_git_pass(git_filebuf_open(&file, test, 0, 0666)); cl_assert(file.buffer != NULL); git_filebuf_cleanup(&file); cl_assert(file.buffer == NULL); } /* make sure git_filebuf_commit clears the buffer */ void test_core_filebuf__5(void) { git_filebuf file = GIT_FILEBUF_INIT; char test[] = "test"; cl_assert(file.buffer == NULL); cl_git_pass(git_filebuf_open(&file, test, 0, 0666)); cl_assert(file.buffer != NULL); cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks")); cl_assert(file.buffer != NULL); cl_git_pass(git_filebuf_commit(&file)); cl_assert(file.buffer == NULL); cl_must_pass(p_unlink(test)); } /* make sure git_filebuf_commit takes umask into account */ void test_core_filebuf__umask(void) { git_filebuf file = GIT_FILEBUF_INIT; char test[] = "test"; struct stat statbuf; mode_t mask, os_mask; #ifdef GIT_WIN32 os_mask = 0600; #else os_mask = 0777; #endif p_umask(mask = p_umask(0)); cl_assert(file.buffer == NULL); cl_git_pass(git_filebuf_open(&file, test, 0, 0666)); cl_assert(file.buffer != NULL); cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks")); cl_assert(file.buffer != NULL); cl_git_pass(git_filebuf_commit(&file)); cl_assert(file.buffer == NULL); cl_must_pass(p_stat("test", &statbuf)); cl_assert_equal_i(statbuf.st_mode & os_mask, (0666 & ~mask) & os_mask); cl_must_pass(p_unlink(test)); } void test_core_filebuf__rename_error(void) { git_filebuf file = GIT_FILEBUF_INIT; char *dir = "subdir", *test = "subdir/test", *test_lock = "subdir/test.lock"; int fd; #ifndef GIT_WIN32 cl_skip(); #endif cl_git_pass(p_mkdir(dir, 0666)); cl_git_mkfile(test, "dummy content"); fd = p_open(test, O_RDONLY); cl_assert(fd > 0); cl_git_pass(git_filebuf_open(&file, test, 0, 0666)); cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks")); cl_assert_equal_i(true, git_path_exists(test_lock)); cl_git_fail(git_filebuf_commit(&file)); p_close(fd); git_filebuf_cleanup(&file); cl_assert_equal_i(false, git_path_exists(test_lock)); } void test_core_filebuf__symlink_follow(void) { git_filebuf file = GIT_FILEBUF_INIT; const char *dir = "linkdir", *source = "linkdir/link"; #ifdef GIT_WIN32 cl_skip(); #endif cl_git_pass(p_mkdir(dir, 0777)); cl_git_pass(p_symlink("target", source)); cl_git_pass(git_filebuf_open(&file, source, 0, 0666)); cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks")); cl_assert_equal_i(true, git_path_exists("linkdir/target.lock")); cl_git_pass(git_filebuf_commit(&file)); cl_assert_equal_i(true, git_path_exists("linkdir/target")); git_filebuf_cleanup(&file); /* The second time around, the target file does exist */ cl_git_pass(git_filebuf_open(&file, source, 0, 0666)); cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks")); cl_assert_equal_i(true, git_path_exists("linkdir/target.lock")); cl_git_pass(git_filebuf_commit(&file)); cl_assert_equal_i(true, git_path_exists("linkdir/target")); git_filebuf_cleanup(&file); cl_git_pass(git_futils_rmdir_r(dir, NULL, GIT_RMDIR_REMOVE_FILES)); } void test_core_filebuf__symlink_follow_absolute_paths(void) { git_filebuf file = GIT_FILEBUF_INIT; git_buf source = GIT_BUF_INIT, target = GIT_BUF_INIT; #ifdef GIT_WIN32 cl_skip(); #endif cl_git_pass(git_buf_joinpath(&source, clar_sandbox_path(), "linkdir/link")); cl_git_pass(git_buf_joinpath(&target, clar_sandbox_path(), "linkdir/target")); cl_git_pass(p_mkdir("linkdir", 0777)); cl_git_pass(p_symlink(target.ptr, source.ptr)); cl_git_pass(git_filebuf_open(&file, source.ptr, 0, 0666)); cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks")); cl_assert_equal_i(true, git_path_exists("linkdir/target.lock")); cl_git_pass(git_filebuf_commit(&file)); cl_assert_equal_i(true, git_path_exists("linkdir/target")); git_filebuf_cleanup(&file); git_buf_free(&source); git_buf_free(&target); cl_git_pass(git_futils_rmdir_r("linkdir", NULL, GIT_RMDIR_REMOVE_FILES)); } void test_core_filebuf__symlink_depth(void) { git_filebuf file = GIT_FILEBUF_INIT; const char *dir = "linkdir", *source = "linkdir/link"; #ifdef GIT_WIN32 cl_skip(); #endif cl_git_pass(p_mkdir(dir, 0777)); /* Endless loop */ cl_git_pass(p_symlink("link", source)); cl_git_fail(git_filebuf_open(&file, source, 0, 0666)); cl_git_pass(git_futils_rmdir_r(dir, NULL, GIT_RMDIR_REMOVE_FILES)); } void test_core_filebuf__hidden_file(void) { #ifndef GIT_WIN32 cl_skip(); #else git_filebuf file = GIT_FILEBUF_INIT; char *dir = "hidden", *test = "hidden/test"; bool hidden; cl_git_pass(p_mkdir(dir, 0666)); cl_git_mkfile(test, "dummy content"); cl_git_pass(git_win32__set_hidden(test, true)); cl_git_pass(git_win32__hidden(&hidden, test)); cl_assert(hidden); cl_git_pass(git_filebuf_open(&file, test, 0, 0666)); cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks")); cl_git_pass(git_filebuf_commit(&file)); git_filebuf_cleanup(&file); #endif } void test_core_filebuf__detects_directory(void) { git_filebuf file = GIT_FILEBUF_INIT; cl_must_pass(p_mkdir("foo", 0777)); cl_git_fail_with(GIT_EDIRECTORY, git_filebuf_open(&file, "foo", 0, 0666)); cl_must_pass(p_rmdir("foo")); }