gecko/xpcom/tests/unit/test_nsIProcess.js

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is XPCOM unit tests.
*
* The Initial Developer of the Original Code is
* James Boston <mozilla@jamesboston.ca>.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
// nsIProcess unit test
const TEST_ARGS = ["mozilla", "firefox", "thunderbird", "seamonkey", "foo",
"bar", "argument with spaces", "\"argument with quotes\""];
var isWindows = ("@mozilla.org/windows-registry-key;1" in Components.classes);
function get_test_program(prog)
{
var progPath = do_get_cwd();
progPath.append(prog);
if (isWindows)
progPath.leafName = progPath.leafName + ".exe";
return progPath;
}
function set_environment()
{
var envSvc = Components.classes["@mozilla.org/process/environment;1"].
getService(Components.interfaces.nsIEnvironment);
var dirSvc = Components.classes["@mozilla.org/file/directory_service;1"].
getService(Components.interfaces.nsIProperties);
var greDir = dirSvc.get("GreD", Components.interfaces.nsIFile);
envSvc.set("DYLD_LIBRARY_PATH", greDir.path);
// For Linux
envSvc.set("LD_LIBRARY_PATH", greDir.path);
//XXX: handle windows
}
// test if a process can be started, polled for its running status
// and then killed
function test_kill()
{
var file = get_test_program("TestBlockingProcess");
var process = Components.classes["@mozilla.org/process/util;1"]
.createInstance(Components.interfaces.nsIProcess);
process.init(file);
do_check_false(process.isRunning);
try {
process.kill();
do_throw("Attempting to kill a not-running process should throw");
}
catch (e) { }
process.run(false, [], 0);
do_check_true(process.isRunning);
process.kill();
do_check_false(process.isRunning);
try {
process.kill();
do_throw("Attempting to kill a not-running process should throw");
}
catch (e) { }
}
// test if we can get an exit value from an application that is
// guaranteed to return an exit value of 42
function test_quick()
{
var file = get_test_program("TestQuickReturn");
var process = Components.classes["@mozilla.org/process/util;1"]
.createInstance(Components.interfaces.nsIProcess);
process.init(file);
// to get an exit value it must be a blocking process
process.run(true, [], 0);
do_check_eq(process.exitValue, 42);
}
// test if an argument can be successfully passed to an application
// that will return 0 if "mozilla" is the only argument
function test_arguments()
{
var file = get_test_program("TestArguments");
var process = Components.classes["@mozilla.org/process/util;1"]
.createInstance(Components.interfaces.nsIProcess);
process.init(file);
process.run(true, TEST_ARGS, TEST_ARGS.length);
do_check_eq(process.exitValue, 0);
}
// test if we get notified about a blocking process
function test_notify_blocking()
{
var file = get_test_program("TestQuickReturn");
var process = Components.classes["@mozilla.org/process/util;1"]
.createInstance(Components.interfaces.nsIProcess);
process.init(file);
process.runAsync([], 0, {
observe: function(subject, topic, data) {
process = subject.QueryInterface(Components.interfaces.nsIProcess);
do_check_eq(topic, "process-finished");
do_check_eq(process.exitValue, 42);
test_notify_nonblocking();
}
});
}
// test if we get notified about a non-blocking process
function test_notify_nonblocking()
{
var file = get_test_program("TestArguments");
var process = Components.classes["@mozilla.org/process/util;1"]
.createInstance(Components.interfaces.nsIProcess);
process.init(file);
process.runAsync(TEST_ARGS, TEST_ARGS.length, {
observe: function(subject, topic, data) {
process = subject.QueryInterface(Components.interfaces.nsIProcess);
do_check_eq(topic, "process-finished");
do_check_eq(process.exitValue, 0);
test_notify_killed();
}
});
}
// test if we get notified about a killed process
function test_notify_killed()
{
var file = get_test_program("TestBlockingProcess");
var process = Components.classes["@mozilla.org/process/util;1"]
.createInstance(Components.interfaces.nsIProcess);
process.init(file);
process.runAsync([], 0, {
observe: function(subject, topic, data) {
process = subject.QueryInterface(Components.interfaces.nsIProcess);
do_check_eq(topic, "process-finished");
do_test_finished();
}
});
process.kill();
}
function run_test() {
set_environment();
test_kill();
test_quick();
test_arguments();
do_test_pending();
test_notify_blocking();
}