node/test/pummel/test-exec.js

103 строки
2.7 KiB
JavaScript

var common = require('../common');
var assert = require('assert');
var exec = require('child_process').exec;
if (process.platform !== 'win32') {
// Unix.
var SLEEP3_COMMAND = "sleep 3";
} else {
// Windows: `choice` is a command built into cmd.exe. Use another cmd process
// to create a process tree, so we can catch bugs related to it.
var SLEEP3_COMMAND = "cmd /c choice /t 3 /c X /d X";
}
var success_count = 0;
var error_count = 0;
exec(process.execPath + ' -p -e process.versions',
function(err, stdout, stderr) {
if (err) {
error_count++;
console.log('error!: ' + err.code);
console.log('stdout: ' + JSON.stringify(stdout));
console.log('stderr: ' + JSON.stringify(stderr));
assert.equal(false, err.killed);
} else {
success_count++;
console.dir(stdout);
}
});
exec('thisisnotavalidcommand', function(err, stdout, stderr) {
if (err) {
error_count++;
assert.equal('', stdout);
assert.equal(true, err.code != 0);
assert.equal(false, err.killed);
assert.strictEqual(null, err.signal);
console.log('error code: ' + err.code);
console.log('stdout: ' + JSON.stringify(stdout));
console.log('stderr: ' + JSON.stringify(stderr));
} else {
success_count++;
console.dir(stdout);
assert.equal(true, stdout != '');
}
});
var sleeperStart = new Date();
exec(SLEEP3_COMMAND, { timeout: 50 }, function(err, stdout, stderr) {
var diff = (new Date()) - sleeperStart;
console.log('\'sleep 3\' with timeout 50 took %d ms', diff);
assert.ok(diff < 500);
assert.ok(err);
assert.ok(err.killed);
assert.equal(err.signal, 'SIGTERM');
});
var startSleep3 = new Date();
var killMeTwice = exec(SLEEP3_COMMAND, {timeout: 1000}, killMeTwiceCallback);
process.nextTick(function() {
console.log('kill pid %d', killMeTwice.pid);
// make sure there is no race condition in starting the process
// the PID SHOULD exist directly following the exec() call.
assert.equal('number', typeof killMeTwice._handle.pid);
// Kill the process
killMeTwice.kill();
});
function killMeTwiceCallback(err, stdout, stderr) {
var diff = (new Date()) - startSleep3;
// We should have already killed this process. Assert that the timeout still
// works and that we are getting the proper callback parameters.
assert.ok(err);
assert.ok(err.killed);
assert.equal(err.signal, 'SIGTERM');
// the timeout should still be in effect
console.log('\'sleep 3\' was already killed. Took %d ms', diff);
assert.ok(diff < 1500);
}
exec('python -c "print 200000*\'C\'"', {maxBuffer: 1000},
function(err, stdout, stderr) {
assert.ok(err);
assert.ok(/maxBuffer/.test(err.message));
});
process.on('exit', function() {
assert.equal(1, success_count);
assert.equal(1, error_count);
});