Specs for MicroEvent

spec/MicroEventSpec.js

@@ -0,0 +1,115 @@
+describe("MicroEvent", function() {
+	var micro_event;
+	var event_funcs;
+
+	beforeEach(function() {
+		micro_event = new MicroEvent(); 
+
+		event_funcs = {
+			foo: function() {},
+			bar: function() {},
+			baz: function() {}
+		};
+		spyOn(event_funcs, 'foo');
+		spyOn(event_funcs, 'bar');
+		spyOn(event_funcs, 'baz');
+
+	});
+
+	it("binds a single function to an event", function() {
+		micro_event.bind('event_one', event_funcs.foo);
+		micro_event.trigger('event_one');
+
+		expect(event_funcs.foo).toHaveBeenCalled();
+		expect(event_funcs.foo.calls.length).toEqual(1);
+	});
+
+	it("passes arguments to a bound function", function() {
+		micro_event.bind('event_one', event_funcs.foo);
+		micro_event.trigger('event_one', 1, 2);
+
+		expect(event_funcs.foo).toHaveBeenCalledWith(1, 2);
+	});
+
+	it("binds several functions to one event", function() {
+		micro_event.bind('event_one', event_funcs.foo);
+		micro_event.bind('event_one', event_funcs.bar);
+		micro_event.bind('event_one', event_funcs.baz);
+
+		micro_event.trigger('event_one');
+
+		expect(event_funcs.foo).toHaveBeenCalled();
+		expect(event_funcs.foo.calls.length).toEqual(1);
+
+		expect(event_funcs.bar).toHaveBeenCalled();
+		expect(event_funcs.bar.calls.length).toEqual(1);
+
+		expect(event_funcs.baz).toHaveBeenCalled();
+		expect(event_funcs.baz.calls.length).toEqual(1);
+	});
+
+	it("passes arguments to all functions bound to the same event", function() {
+		micro_event.bind('event_one', event_funcs.foo);
+		micro_event.bind('event_one', event_funcs.bar);
+		micro_event.bind('event_one', event_funcs.baz);
+
+		micro_event.trigger('event_one', 1, 2);
+
+		expect(event_funcs.foo).toHaveBeenCalledWith(1, 2);
+		expect(event_funcs.bar).toHaveBeenCalledWith(1, 2);
+		expect(event_funcs.baz).toHaveBeenCalledWith(1, 2);
+	});
+
+	it("binds functions to several different events", function() {
+		micro_event.bind('event_one', event_funcs.foo);
+		micro_event.bind('event_two', event_funcs.bar);
+		micro_event.bind('event_three', event_funcs.baz);
+
+		micro_event.trigger('event_one');
+		micro_event.trigger('event_two');
+		micro_event.trigger('event_three');
+
+		expect(event_funcs.foo).toHaveBeenCalled();
+		expect(event_funcs.foo.calls.length).toEqual(1);
+
+		expect(event_funcs.bar).toHaveBeenCalled();
+		expect(event_funcs.bar.calls.length).toEqual(1);
+
+		expect(event_funcs.baz).toHaveBeenCalled();
+		expect(event_funcs.baz.calls.length).toEqual(1);
+	});
+
+	it("unbinds a function from an event", function() {
+		micro_event.bind('event_one', event_funcs.foo);
+		micro_event.bind('event_one', event_funcs.bar);
+
+		micro_event.unbind('event_one', event_funcs.foo);
+
+		micro_event.trigger('event_one');
+
+		expect(event_funcs.foo).not.toHaveBeenCalled();
+
+		expect(event_funcs.bar).toHaveBeenCalled();
+		expect(event_funcs.bar.calls.length).toEqual(1);
+	});
+
+	it("keeps working when triggering unknown event", function() {
+		micro_event.bind('event_one', event_funcs.foo);
+		micro_event.bind('event_two', event_funcs.bar);
+
+		micro_event.trigger('unknown_event');
+
+		expect(event_funcs.foo).not.toHaveBeenCalled();
+		expect(event_funcs.bar).not.toHaveBeenCalled();
+	});
+
+	it("keeps working when unbinding unknown event", function() {
+		micro_event.bind('event_one', event_funcs.foo);
+		micro_event.unbind('unknown_event');
+
+		micro_event.trigger('event_one');
+
+		expect(event_funcs.foo).toHaveBeenCalled();
+	});
+});
+

spec/SpecRunner.html

@@ -14,9 +14,11 @@
 	<script type="text/javascript" src="../js/plugins/star.js"></script>
 	<script type="text/javascript" src="../js/plugins/refresh.js"></script>
 	<script type="text/javascript" src="../js/plugins/local-storage.js"></script>
+	<script type="text/javascript" src="../js/libs/microevent.js"></script>
 
 	<!-- include spec files here... -->
 	<script type="text/javascript" src="PluginFactorySpec.js"></script>
+	<script type="text/javascript" src="MicroEventSpec.js"></script>
 
 	<script type="text/javascript">
 		(function() {