xmpp.chapril.org-conversejs/spec/eventemitter.js

65 lines
2.5 KiB
JavaScript

(function (root, factory) {
define(["jasmine", "mock", "test-utils"], factory);
} (this, function (jasmine, mock, test_utils) {
return describe("The _converse Event Emitter", function() {
it("allows you to subscribe to emitted events", mock.initConverse((done, _converse) => {
this.callback = function () {};
spyOn(this, 'callback');
_converse.on('connected', this.callback);
_converse.api.trigger('connected');
expect(this.callback).toHaveBeenCalled();
_converse.api.trigger('connected');
expect(this.callback.calls.count(), 2);
_converse.api.trigger('connected');
expect(this.callback.calls.count(), 3);
done();
}));
it("allows you to listen once for an emitted event", mock.initConverse((done, _converse) => {
this.callback = function () {};
spyOn(this, 'callback');
_converse.once('connected', this.callback);
_converse.api.trigger('connected');
expect(this.callback).toHaveBeenCalled();
_converse.api.trigger('connected');
expect(this.callback.calls.count(), 1);
_converse.api.trigger('connected');
expect(this.callback.calls.count(), 1);
done();
}));
it("allows you to stop listening or subscribing to an event", mock.initConverse((done, _converse) => {
this.callback = function () {};
this.anotherCallback = function () {};
this.neverCalled = function () {};
spyOn(this, 'callback');
spyOn(this, 'anotherCallback');
spyOn(this, 'neverCalled');
_converse.on('connected', this.callback);
_converse.on('connected', this.anotherCallback);
_converse.api.trigger('connected');
expect(this.callback).toHaveBeenCalled();
expect(this.anotherCallback).toHaveBeenCalled();
_converse.off('connected', this.callback);
_converse.api.trigger('connected');
expect(this.callback.calls.count(), 1);
expect(this.anotherCallback.calls.count(), 2);
_converse.once('connected', this.neverCalled);
_converse.off('connected', this.neverCalled);
_converse.api.trigger('connected');
expect(this.callback.calls.count(), 1);
expect(this.anotherCallback.calls.count(), 3);
expect(this.neverCalled).not.toHaveBeenCalled();
done();
}));
});
}));