signal-desktop/test/reliable_trigger_test.js

148 lines
4 KiB
JavaScript
Raw Normal View History

'use strict';
describe('ReliableTrigger', function() {
describe('trigger', function() {
var Model, model;
before(function() {
Model = Backbone.Model;
});
beforeEach(function() {
model = new Model();
});
it('returns successfully if this._events is falsey', function() {
model._events = null;
model.trigger('click');
});
it('handles map of events to trigger', function() {
var a = 0, b = 0;
model.on('a', function(arg) {
a = arg;
});
model.on('b', function(arg) {
b = arg;
});
model.trigger({
a: 1,
b: 2
});
assert.strictEqual(a, 1);
assert.strictEqual(b, 2);
});
it('handles space-separated list of events to trigger', function() {
var a = false, b = false;
model.on('a', function() {
a = true;
});
model.on('b', function() {
b = true;
});
model.trigger('a b');
assert.strictEqual(a, true);
assert.strictEqual(b, true);
});
it('calls all clients registered for "all" event', function() {
var count = 0;
model.on('all', function() {
count += 1;
});
model.trigger('left');
model.trigger('right');
assert.strictEqual(count, 2);
});
it('calls all clients registered for target event', function() {
var a = false, b = false;
model.on('event', function() {
a = true;
});
model.on('event', function() {
b = true;
});
model.trigger('event');
assert.strictEqual(a, true);
assert.strictEqual(b, true);
});
it('successfully returns and calls all clients even if first failed', function() {
var a = false, b = false;
model.on('event', function() {
a = true;
throw new Error('a is set, but exception is thrown');
});
model.on('event', function() {
b = true;
});
model.trigger('event');
assert.strictEqual(a, true);
assert.strictEqual(b, true);
});
it('calls clients with no args', function() {
var called = false;
model.on('event', function() {
called = true;
});
model.trigger('event');
assert.strictEqual(called, true);
});
it('calls clients with 1 arg', function() {
var args;
model.on('event', function() {
args = arguments;
});
model.trigger('event', 1);
assert.strictEqual(args[0], 1);
});
it('calls clients with 2 args', function() {
var args;
model.on('event', function() {
args = arguments;
});
model.trigger('event', 1, 2);
assert.strictEqual(args[0], 1);
assert.strictEqual(args[1], 2);
});
it('calls clients with 3 args', function() {
var args;
model.on('event', function() {
args = arguments;
});
model.trigger('event', 1, 2, 3);
assert.strictEqual(args[0], 1);
assert.strictEqual(args[1], 2);
assert.strictEqual(args[2], 3);
});
it('calls clients with 4+ args', function() {
var args;
model.on('event', function() {
args = arguments;
});
model.trigger('event', 1, 2, 3, 4);
assert.strictEqual(args[0], 1);
assert.strictEqual(args[1], 2);
assert.strictEqual(args[2], 3);
assert.strictEqual(args[3], 4);
});
});
});