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prevent callback(err) from messing with shutdown

This commit is contained in:
Andrew Stewart 2015-07-21 10:31:52 -07:00
parent 2e0b92f1bc
commit 67f0386bb5
2 changed files with 41 additions and 9 deletions
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9
lib/robot.js
View File

@ -346,8 +346,13 @@ Robot.prototype.halt = function(callback) {
return callback();
}
var devices = _.pluck(this.devices, "halt"),
connections = _.pluck(this.connections, "disconnect");
// ensures callback(err) won't prevent others from halting
function wrap(fn) {
return function(cb) { fn.call(null, cb.bind(null, null)); };
}
var devices = _.pluck(this.devices, "halt").map(wrap),
connections = _.pluck(this.connections, "disconnect").map(wrap);
try {
_.parallel(devices, function() {

41
spec/lib/robot.spec.js
View File

@ -463,13 +463,8 @@ describe("Robot", function() {
device = bot.devices.ping;
connection = bot.connections.loopback;
stub(device, "halt").yields(true);
stub(connection, "disconnect").yields(true);
});
afterEach(function() {
device.halt.restore();
connection.disconnect.restore();
stub(device, "halt").yields();
stub(connection, "disconnect").yields();
});
it("calls #halt on all devices and connections", function() {
@ -478,6 +473,38 @@ describe("Robot", function() {
expect(device.halt).to.be.called;
expect(connection.disconnect).to.be.called;
});
context("if a subcall triggers it's callback with an error", function() {
beforeEach(function() {
bot = new Robot({
devices: {
ping: { driver: "ping" },
ping2: { driver: "ping" }
},
connections: {
loopback: { adaptor: "loopback" },
loopback2: { adaptor: "loopback" }
}
});
bot.running = true;
stub(bot.devices.ping, "halt").yields("error!");
stub(bot.devices.ping2, "halt").yields();
stub(bot.connections.loopback, "disconnect").yields("another err!");
stub(bot.connections.loopback2, "disconnect").yields();
});
it("doesn't effect the rest of the shutdown", function() {
bot.halt();
expect(bot.devices.ping.halt).to.be.called;
expect(bot.devices.ping2.halt).to.be.called;
expect(bot.connections.loopback.disconnect).to.be.called;
expect(bot.connections.loopback2.disconnect).to.be.called;
});
});
});
describe("#toString", function() {