module("Events", {

setup: function() {

// prepare something for all following tests

},

teardown: function() {

// clean up after each test

Crafty("*").destroy();

}

});

test("Global binding events", function() {

var x = 0;

function add() {

x++;

}

Crafty.bind("Increment", add);

Crafty.trigger("Increment");

strictEqual(x, 1, "Crafty.bind fired once");

x = 0;

Crafty.unbind("Increment", add);

Crafty.trigger("Increment");

strictEqual(x, 0, "Crafty.bind does not fire once unbound");

x = 0;

var ref = Crafty.bind("Increment", add);

Crafty.unbind("Increment", ref);

Crafty.trigger("Increment");

strictEqual(x, 0, "Crafty.bind does not fire once unbound via reference");

x = 0;

Crafty.one("Increment", add);

Crafty.trigger("Increment");

Crafty.trigger("Increment");

strictEqual(x, 1, "Event bound by Crafty.one fires exactly once");

x = 0;

Crafty.uniqueBind("Increment", add);

Crafty.uniqueBind("Increment", add);

Crafty.trigger("Increment");

strictEqual(x, 1, "Event bound twice by Crafty.uniqueBound fires only once");

x = 0;

Crafty.unbind("Increment", add);

Crafty.trigger("Increment");

strictEqual(x, 0, "uniqueBound does not fire once unbound");

});

test("Entity binding events", function() {

var x = 0;

function add() {

x++;

}

var e = Crafty.e("Triggerable");

e.bind("Increment", add);

e.trigger("Increment");

strictEqual(x, 1, ".bind fired once");

x = 0;

e.unbind("Increment", add);

e.trigger("Increment");

strictEqual(x, 0, ".bind does not fire once unbound");

x = 0;

e.one("Increment", add);

e.trigger("Increment");

e.trigger("Increment");

strictEqual(x, 1, "Event bound by .one fires exactly once");

x = 0;

e.uniqueBind("Increment", add);

e.uniqueBind("Increment", add);

e.trigger("Increment");

strictEqual(x, 1, "Event bound twice by .uniqueBound fires only once");

x = 0;

e.unbind("Increment", add);

e.trigger("Increment");

strictEqual(x, 0, "uniqueBound does not fire once unbound");

e.destroy();

});

test("Multiple bound events", function() {

//Test with entity trigger

var temp = Crafty.e('Triggerable');

temp.xyz = 0;

temp.abc = 0;

temp.def = 0;

temp.one('Event A', function() {

this.xyz++;

});

temp.bind('Event A', function() {

this.abc++;

});

temp.one('Event A', function() {

this.def++;

});

temp.trigger('Event A');

temp.trigger('Event A');

strictEqual(temp.xyz, 1, "ENTITY -- first one() should trigger once");

strictEqual(temp.abc, 2, "regular event should trigger twice");

strictEqual(temp.def, 1, "second one() should trigger once");

temp.destroy();

//Test with global trigger on entity

temp = Crafty.e('Triggerable');

temp.xyz = 0;

temp.abc = 0;

temp.def = 0;

temp.one('Event A', function() {

this.xyz++;

});

temp.bind('Event A', function() {

this.abc++;

});

temp.one('Event A', function() {

this.def++;

});

Crafty.trigger('Event A');

Crafty.trigger('Event A');

strictEqual(temp.xyz, 1, "GLOBAL TRIGGER -- first one() should trigger once");

strictEqual(temp.abc, 2, "regular event should trigger twice");

strictEqual(temp.def, 1, "second one() should trigger once");

temp.destroy();

//Test with global trigger, events bound on global

temp = Crafty;

temp.xyz = 0;

temp.abc = 0;

temp.def = 0;

temp.one('Event A', function() {

this.xyz++;

});

temp.bind('Event A', function() {

this.abc++;

});

temp.one('Event A', function() {

this.def++;

});

Crafty.trigger('Event A');

Crafty.trigger('Event A');

strictEqual(temp.xyz, 1, "GLOBAL BIND -- first one() should trigger once");

strictEqual(temp.abc, 2, "regular event should trigger twice");

strictEqual(temp.def, 1, "second one() should trigger once");

Crafty.unbind("Event A");

});

test("Data passing", function() {

var x = 0,

e;

function add(data) {

x += data.amount;

}

x = 0;

e = Crafty.e("Triggerable");

e.bind("Increment", add);

e.trigger("Increment", {

amount: 2

});

strictEqual(x, 2, "data passed correctly with .bind");

e.destroy();

x = 0;

e = Crafty.e("Triggerable");

e.one("Increment", add);

e.trigger("Increment", {

amount: 2

});

strictEqual(x, 2, "data passed correctly with .one");

e.destroy();

x = 0;

Crafty.bind("Increment", add);

Crafty.trigger("Increment", {

amount: 2

});

strictEqual(x, 2, "data passed correctly with Crafty.bind");

Crafty.unbind("Increment");

x = 0;

Crafty.one("Increment", add);

Crafty.trigger("Increment", {

amount: 3

});

strictEqual(x, 3, "data passed correctly with Crafty.one");

Crafty.unbind("Increment");

});