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