gecko-dev/toolkit/components/osfile/tests/xpcshell/test_osfile_async_setPermis...

104 строки
3.2 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/**
* A test to ensure that OS.File.setPermissions and
* OS.File.prototype.setPermissions are all working correctly.
* (see bug 1001849)
* These functions are currently Unix-specific. The manifest skips
* the test on Windows.
*/
/**
* Helper function for test logging: prints a POSIX file permission mode as an
* octal number, with a leading '0' per C (not JS) convention. When the
* numeric value is 0o777 or lower, it is padded on the left with zeroes to
* four digits wide.
* Sample outputs: 0022, 0644, 04755.
*/
function format_mode(mode) {
if (mode <= 0o777) {
return ("0000" + mode.toString(8)).slice(-4);
} else {
return "0" + mode.toString(8);
}
}
const _umask = OS.Constants.Sys.umask;
do_print("umask: " + format_mode(_umask));
/**
* Compute the mode that a file should have after applying the umask,
* whatever it happens to be.
*/
function apply_umask(mode) {
return mode & ~_umask;
}
// Sequence of setPermission parameters and expected file mode. The first test
// checks the permissions when the file is first created.
var testSequence = [
[null, apply_umask(0o600)],
[{ unixMode: 0o4777 }, apply_umask(0o4777)],
[{ unixMode: 0o4777, unixHonorUmask: false }, 0o4777],
[{ unixMode: 0o4777, unixHonorUmask: true }, apply_umask(0o4777)],
[undefined, apply_umask(0o600)],
[{ unixMode: 0o666 }, apply_umask(0o666)],
[{ unixMode: 0o600 }, apply_umask(0o600)],
[{ unixMode: 0 }, 0],
[{}, apply_umask(0o600)],
];
// Test application to paths.
add_task(function* test_path_setPermissions() {
let path = OS.Path.join(OS.Constants.Path.tmpDir,
"test_osfile_async_setPermissions_path.tmp");
yield OS.File.writeAtomic(path, new Uint8Array(1));
try {
for (let [options, expectedMode] of testSequence) {
if (options !== null) {
do_print("Setting permissions to " + JSON.stringify(options));
yield OS.File.setPermissions(path, options);
}
let stat = yield OS.File.stat(path);
do_check_eq(format_mode(stat.unixMode), format_mode(expectedMode));
}
} finally {
yield OS.File.remove(path);
}
});
// Test application to open files.
add_task(function* test_file_setPermissions() {
let path = OS.Path.join(OS.Constants.Path.tmpDir,
"test_osfile_async_setPermissions_file.tmp");
yield OS.File.writeAtomic(path, new Uint8Array(1));
try {
let fd = yield OS.File.open(path, { write: true });
try {
for (let [options, expectedMode] of testSequence) {
if (options !== null) {
do_print("Setting permissions to " + JSON.stringify(options));
yield fd.setPermissions(options);
}
let stat = yield fd.stat();
do_check_eq(format_mode(stat.unixMode), format_mode(expectedMode));
}
} finally {
yield fd.close();
}
} finally {
yield OS.File.remove(path);
}
});
function run_test() {
run_next_test();
}