v8/test/mjsunit/d8-os.js

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// Copyright 2009 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Test the OS module of d8. This test only makes sense with d8. It
// only does non-trivial work on Unix since os.system() is not currently
// implemented on Windows, and even if it were then many of the things
// we are calling would not be available.
var TEST_DIR = "/tmp/d8-os-test-directory-" + ((Math.random() * (1<<30)) | 0);
function arg_error(str) {
try {
eval(str);
} catch (e) {
assertTrue(/rgument/.test(e), str);
}
}
function str_error(str) {
var e = new Object();
e.toString = function() { throw new Error("foo bar"); }
try {
eval(str);
} catch (exception) {
assertTrue(/tring conversion/.test(exception), str);
}
}
if (this.os && os.system) {
// Ensure that we have a valid working directory.
os.chdir("/tmp");
try {
// Delete the dir if it is lying around from last time.
os.system("ls", [TEST_DIR]);
os.system("rm", ["-r", TEST_DIR]);
} catch (e) {
}
os.mkdirp(TEST_DIR);
try {
// Check the chdir worked.
os.system('ls', [TEST_DIR]);
// Simple create dir.
os.mkdirp(TEST_DIR + "/dir");
// Create dir in dir.
os.mkdirp(TEST_DIR + "/dir/foo");
// Check that they are there.
os.system('ls', [TEST_DIR + '/dir/foo']);
// Check that we can detect when something is not there.
assertThrows("os.system('ls', [TEST_DIR + '/dir/bar']);");
// Check that mkdirp makes intermediate directories.
os.mkdirp(TEST_DIR + "/dir2/foo");
os.system("ls", [TEST_DIR + "/dir2/foo"]);
// Check that mkdirp doesn't mind if the dir is already there.
os.mkdirp(TEST_DIR + "/dir2/foo");
os.mkdirp(TEST_DIR + "/dir2/foo/");
// Check that mkdirp can cope with trailing /
os.mkdirp(TEST_DIR + "/dir3/");
os.system("ls", [TEST_DIR + "/dir3"]);
// Check that we get an error if the name is taken by a file.
os.system("sh", ["-c", "echo foo > " + TEST_DIR + "/file1"]);
os.system("ls", [TEST_DIR + "/file1"]);
assertThrows("os.mkdirp(TEST_DIR + '/file1');");
assertThrows("os.mkdirp(TEST_DIR + '/file1/foo');");
assertThrows("os.mkdirp(TEST_DIR + '/file1/');");
assertThrows("os.mkdirp(TEST_DIR + '/file1/foo/');");
// Create a dir we cannot read.
os.mkdirp(TEST_DIR + "/dir4", 0);
// This test fails if you are root since root can read any dir.
assertThrows("os.chdir(TEST_DIR + '/dir4');");
os.rmdir(TEST_DIR + "/dir4");
assertThrows("os.chdir(TEST_DIR + '/dir4');");
// Set umask. This changes the umask for the whole process and is
// the reason why the test cannot be run multi-threaded.
var old_umask = os.umask(0777);
// Create a dir we cannot read.
os.mkdirp(TEST_DIR + "/dir5");
// This test fails if you are root since root can read any dir.
assertThrows("os.chdir(TEST_DIR + '/dir5');");
os.rmdir(TEST_DIR + "/dir5");
assertThrows("os.chdir(TEST_DIR + '/dir5');");
os.umask(old_umask);
os.mkdirp(TEST_DIR + "/hest/fisk/../fisk/ged");
os.system("ls", [TEST_DIR + "/hest/fisk/ged"]);
os.setenv("FOO", "bar");
var environment = os.system("printenv");
assertTrue(/FOO=bar/.test(environment));
// Check we time out.
var have_sleep = true;
var have_echo = true;
try {
os.system("ls", ["/bin/sleep"]);
} catch (e) {
have_sleep = false;
}
try {
os.system("ls", ["/bin/echo"]);
} catch (e) {
have_echo = false;
}
if (have_sleep) {
assertThrows("os.system('sleep', ['2000'], 20);");
// Check we time out with total time.
assertThrows("os.system('sleep', ['2000'], -1, 20);");
// Check that -1 means no timeout.
os.system('sleep', ['1'], -1, -1);
}
// Check that we don't fill up the process table with zombies.
// Disabled because it's too slow.
if (have_echo) {
//for (var i = 0; i < 65536; i++) {
assertEquals("baz\n", os.system("echo", ["baz"]));
//}
}
// Too few args.
arg_error("os.umask();");
arg_error("os.system();");
arg_error("os.mkdirp();");
arg_error("os.chdir();");
arg_error("os.setenv();");
arg_error("os.rmdir();");
// Too many args.
arg_error("os.setenv('FOO=bar');");
arg_error("os.umask(0, 0);");
arg_error("os.system('ls', [], -1, -1, -1);");
arg_error("os.mkdirp('foo', 0, 0)");
arg_error("os.chdir('foo', 'bar')");
arg_error("os.rmdir('foo', 'bar');");
// Wrong kind of args.
arg_error("os.umask([]);");
arg_error("os.system('ls', 'foo');");
arg_error("os.system('ls', 123);");
arg_error("os.system('ls', [], 'foo');");
arg_error("os.system('ls', [], -1, 'foo');");
arg_error("os.mkdirp('foo', 'bar');");
// Test broken toString().
str_error("os.system(e);");
str_error("os.system('ls', [e]);");
str_error("os.system('ls', ['.', e]);");
str_error("os.system('ls', [e, '.']);");
str_error("os.mkdirp(e);");
str_error("os.setenv(e, 'goo');");
str_error("os.setenv('goo', e);");
str_error("os.chdir(e);");
str_error("os.rmdir(e);");
} finally {
os.system("rm", ["-r", TEST_DIR]);
}
}