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E380: Suggestion how to clean up socket.io server test a bit #11

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E380: Suggestion how to clean up socket.io server test a bit #11

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18 changes: 10 additions & 8 deletions src/server/_server_test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -159,15 +159,14 @@
it("broadcasts mouse message from one client to all others", function(done) {
var EXPECTED_DATA = "mouse data";

var emitter = createSocket();
var receiver1 = createSocket();
var receiver2 = createSocket();
var clients = createSockets(3);
var emitter = clients[0];
var receivers = clients.slice().splice(1);

emitter.on("mouse", function() {
assert.fail("emitter should not receive its own events");
});

async.each([ receiver1, receiver2 ], function(client, next) {
async.each(receivers, function(client, next) {
client.on("mouse", function(data) {
assert.equal(data, EXPECTED_DATA);
next();
Expand All @@ -177,12 +176,15 @@
emitter.emit("mouse", EXPECTED_DATA);

function end() {
async.each([ emitter, receiver1, receiver2 ], function(socket, next) {
closeSocket(socket, next);
}, done);
async.each(clients, closeSocket, done);
}
});

function createSockets(count){
return Array.from({length: count}, createSocket);
//Or without ES6: return Array.apply(null, Array(count)).map(createSocket);
}

function createSocket() {
return io("http://localhost:" + PORT);
}
Expand Down