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split path_filestat test into two, improve variable names

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This commit is contained in:
Pat Hickey
2021-01-27 12:18:27 -08:00
parent 220509f3ed
commit 6fcbd3f15d
2 changed files with 110 additions and 45 deletions
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56
crates/test-programs/wasi-tests/src/bin/path_filestat.rs
View File

@@ -46,17 +46,17 @@ unsafe fn test_path_filestat(dir_fd: wasi::Fd) {
);
// Check file size
let mut stat = wasi::path_filestat_get(dir_fd, 0, "file").expect("reading file stats");
assert_eq!(stat.size, 0, "file size should be 0");
let file_stat = wasi::path_filestat_get(dir_fd, 0, "file").expect("reading file stats");
assert_eq!(file_stat.size, 0, "file size should be 0");
// Check path_filestat_set_times
let new_mtim = stat.mtim - 100;
let new_mtim = file_stat.mtim - 100;
wasi::path_filestat_set_times(dir_fd, 0, "file", 0, new_mtim, wasi::FSTFLAGS_MTIM)
.expect("path_filestat_set_times should succeed");
stat = wasi::path_filestat_get(dir_fd, 0, "file")
let modified_file_stat = wasi::path_filestat_get(dir_fd, 0, "file")
.expect("reading file stats after path_filestat_set_times");
assert_eq!(stat.mtim, new_mtim, "mtim should change");
assert_eq!(modified_file_stat.mtim, new_mtim, "mtim should change");
assert_eq!(
wasi::path_filestat_set_times(
@@ -74,10 +74,14 @@ unsafe fn test_path_filestat(dir_fd: wasi::Fd) {
);
// check if the times were untouched
stat = wasi::path_filestat_get(dir_fd, 0, "file")
let unmodified_file_stat = wasi::path_filestat_get(dir_fd, 0, "file")
.expect("reading file stats after ERRNO_INVAL fd_filestat_set_times");
assert_eq!(stat.mtim, new_mtim, "mtim should not change");
assert_eq!(
unmodified_file_stat.mtim, new_mtim,
"mtim should not change"
);
// Invalid arguments to set_times:
assert_eq!(
wasi::path_filestat_set_times(
dir_fd,
@@ -93,46 +97,8 @@ unsafe fn test_path_filestat(dir_fd: wasi::Fd) {
"errno should be ERRNO_INVAL"
);
// Create a symlink
wasi::path_symlink("file", dir_fd, "symlink").expect("creating symlink to a file");
// Check path_filestat_set_times on the symlink itself
let mut sym_stat = wasi::path_filestat_get(dir_fd, 0, "file").expect("reading file stats");
let sym_new_mtim = sym_stat.mtim - 200;
wasi::path_filestat_set_times(dir_fd, 0, "symlink", 0, sym_new_mtim, wasi::FSTFLAGS_MTIM)
.expect("path_filestat_set_times should succeed on symlink");
sym_stat = wasi::path_filestat_get(dir_fd, 0, "symlink")
.expect("reading file stats after path_filestat_set_times");
assert_eq!(sym_stat.mtim, sym_new_mtim, "mtim should change");
// Now, dereference the symlink
sym_stat = wasi::path_filestat_get(dir_fd, wasi::LOOKUPFLAGS_SYMLINK_FOLLOW, "symlink")
.expect("reading file stats on the dereferenced symlink");
assert_eq!(
sym_stat.mtim, stat.mtim,
"symlink mtim should be equal to pointee's when dereferenced"
);
// Finally, change stat of the original file by dereferencing the symlink
wasi::path_filestat_set_times(
dir_fd,
wasi::LOOKUPFLAGS_SYMLINK_FOLLOW,
"symlink",
0,
sym_stat.mtim,
wasi::FSTFLAGS_MTIM,
)
.expect("path_filestat_set_times should succeed on setting stat on original file");
stat = wasi::path_filestat_get(dir_fd, 0, "file")
.expect("reading file stats after path_filestat_set_times");
assert_eq!(stat.mtim, sym_stat.mtim, "mtim should change");
wasi::fd_close(file_fd).expect("closing a file");
wasi::path_unlink_file(dir_fd, "file").expect("removing a file");
wasi::path_unlink_file(dir_fd, "symlink").expect("removing a symlink");
}
fn main() {
let mut args = env::args();

99
crates/test-programs/wasi-tests/src/bin/symlink_filestat.rs Normal file
View File

@@ -0,0 +1,99 @@
use more_asserts::assert_gt;
use std::{env, process};
use wasi_tests::open_scratch_directory;
unsafe fn test_path_filestat(dir_fd: wasi::Fd) {
let mut fdstat = wasi::fd_fdstat_get(dir_fd).expect("fd_fdstat_get");
assert_ne!(
fdstat.fs_rights_base & wasi::RIGHTS_PATH_FILESTAT_GET,
0,
"the scratch directory should have RIGHT_PATH_FILESTAT_GET as base right",
);
// Create a file in the scratch directory.
let file_fd = wasi::path_open(
dir_fd,
0,
"file",
wasi::OFLAGS_CREAT,
wasi::RIGHTS_FD_READ | wasi::RIGHTS_FD_WRITE | wasi::RIGHTS_PATH_FILESTAT_GET,
0,
0,
)
.expect("opening a file");
assert_gt!(
file_fd,
libc::STDERR_FILENO as wasi::Fd,
"file descriptor range check",
);
// Check file size
let file_stat = wasi::path_filestat_get(dir_fd, 0, "file").expect("reading file stats");
assert_eq!(file_stat.size, 0, "file size should be 0");
// Create a symlink
wasi::path_symlink("file", dir_fd, "symlink").expect("creating symlink to a file");
// Check path_filestat_set_times on the symlink itself
let sym_stat = wasi::path_filestat_get(dir_fd, 0, "symlink").expect("reading symlink stats");
// Modify mtim of symlink
let sym_new_mtim = sym_stat.mtim - 200;
wasi::path_filestat_set_times(dir_fd, 0, "symlink", 0, sym_new_mtim, wasi::FSTFLAGS_MTIM)
.expect("path_filestat_set_times should succeed on symlink");
// Check that mtim motification worked
let modified_sym_stat = wasi::path_filestat_get(dir_fd, 0, "symlink")
.expect("reading file stats after path_filestat_set_times");
assert_eq!(modified_sym_stat.mtim, sym_new_mtim, "mtim should change");
// Now, dereference the symlink
let deref_sym_stat =
wasi::path_filestat_get(dir_fd, wasi::LOOKUPFLAGS_SYMLINK_FOLLOW, "symlink")
.expect("reading file stats on the dereferenced symlink");
assert_eq!(
deref_sym_stat.mtim, file_stat.mtim,
"symlink mtim should be equal to pointee's when dereferenced"
);
// Finally, change stat of the original file by dereferencing the symlink
wasi::path_filestat_set_times(
dir_fd,
wasi::LOOKUPFLAGS_SYMLINK_FOLLOW,
"symlink",
0,
sym_stat.mtim,
wasi::FSTFLAGS_MTIM,
)
.expect("path_filestat_set_times should succeed on setting stat on original file");
let new_file_stat = wasi::path_filestat_get(dir_fd, 0, "file")
.expect("reading file stats after path_filestat_set_times");
assert_eq!(new_file_stat.mtim, sym_stat.mtim, "mtim should change");
wasi::fd_close(file_fd).expect("closing a file");
wasi::path_unlink_file(dir_fd, "symlink").expect("removing a symlink");
wasi::path_unlink_file(dir_fd, "file").expect("removing a file");
}
fn main() {
let mut args = env::args();
let prog = args.next().unwrap();
let arg = if let Some(arg) = args.next() {
arg
} else {
eprintln!("usage: {} <scratch directory>", prog);
process::exit(1);
};
// Open scratch directory
let dir_fd = match open_scratch_directory(&arg) {
Ok(dir_fd) => dir_fd,
Err(err) => {
eprintln!("{}", err);
process::exit(1)
}
};
// Run the tests.
unsafe { test_path_filestat(dir_fd) }
}