Files
openlayers/test/spec/ol/object.test.js
2013-02-19 14:47:49 -07:00

479 lines
12 KiB
JavaScript

goog.provide('ol.test.Object');
describe('ol.Object', function() {
var o;
beforeEach(function() {
o = new ol.Object();
});
describe('get and set', function() {
describe('get an unset property', function() {
var v;
beforeEach(function() {
v = o.get('k');
});
it('returns undefined', function() {
expect(v).toBeUndefined();
});
});
describe('get a set property', function() {
var v;
beforeEach(function() {
o.set('k', 1);
v = o.get('k');
});
it('returns expected value', function() {
expect(v).toEqual(1);
});
});
});
describe('#get()', function() {
it('does not return values that are not explicitly set', function() {
var o = new ol.Object();
expect(o.get('constructor')).toBeUndefined();
expect(o.get('hasOwnProperty')).toBeUndefined();
expect(o.get('isPrototypeOf')).toBeUndefined();
expect(o.get('propertyIsEnumerable')).toBeUndefined();
expect(o.get('toLocaleString')).toBeUndefined();
expect(o.get('toString')).toBeUndefined();
expect(o.get('valueOf')).toBeUndefined();
});
});
describe('#set()', function() {
it('can be used with arbitrary names', function() {
var o = new ol.Object();
o.set('set', 'sat');
expect(o.get('set')).toBe('sat');
o.set('get', 'got');
expect(o.get('get')).toBe('got');
o.set('toString', 'string');
expect(o.get('toString')).toBe('string');
expect(typeof o.toString).toBe('function');
});
});
describe('#getKeys()', function() {
it('returns property names set at construction', function() {
var o = new ol.Object({
prop1: 'val1',
prop2: 'val2',
toString: 'string',
get: 'foo'
});
var keys = o.getKeys();
expect(keys.length).toBe(4);
expect(keys.sort()).toEqual(['get', 'prop1', 'prop2', 'toString']);
});
});
describe('setValues', function() {
it('sets multiple values at once', function() {
o.setValues({
k1: 1,
k2: 2
});
expect(o.get('k1')).toEqual(1);
expect(o.get('k2')).toEqual(2);
var keys = o.getKeys().sort();
expect(keys).toEqual(['k1', 'k2']);
});
});
describe('notify', function() {
var listener1, listener2, listener3;
beforeEach(function() {
listener1 = jasmine.createSpy();
goog.events.listen(o, 'k_changed', listener1);
listener2 = jasmine.createSpy();
goog.events.listen(o, 'changed', listener2);
var o2 = new ol.Object();
o2.bindTo('k', o);
listener3 = jasmine.createSpy();
goog.events.listen(o2, 'k_changed', listener3);
});
it('dispatches events', function() {
o.notify('k');
expect(listener1).toHaveBeenCalled();
});
it('dispatches generic change events to bound objects', function() {
o.notify('k');
expect(listener2).toHaveBeenCalled();
});
it('dispatches events to bound objects', function() {
o.notify('k');
expect(listener3).toHaveBeenCalled();
});
});
describe('set', function() {
var listener1, o2, listener2, listener3;
beforeEach(function() {
listener1 = jasmine.createSpy();
goog.events.listen(o, 'k_changed', listener1);
listener2 = jasmine.createSpy();
goog.events.listen(o, 'changed', listener2);
o2 = new ol.Object();
o2.bindTo('k', o);
listener3 = jasmine.createSpy();
goog.events.listen(o2, 'k_changed', listener3);
});
it('dispatches events to object', function() {
o.set('k', 1);
expect(listener1).toHaveBeenCalled();
expect(o.getKeys()).toEqual(['k']);
expect(o2.getKeys()).toEqual(['k']);
});
it('dispatches generic change events to object', function() {
o.set('k', 1);
expect(listener2).toHaveBeenCalled();
});
it('dispatches events to bound object', function() {
o.set('k', 1);
expect(listener3).toHaveBeenCalled();
});
it('dispatches events to object bound to', function() {
o2.set('k', 2);
expect(listener1).toHaveBeenCalled();
expect(o.getKeys()).toEqual(['k']);
expect(o2.getKeys()).toEqual(['k']);
});
it('dispatches generic change events to object bound to', function() {
o2.set('k', 2);
expect(listener2).toHaveBeenCalled();
});
});
describe('bind', function() {
var o2;
beforeEach(function() {
o2 = new ol.Object();
});
describe('bindTo after set', function() {
it('gets expected value', function() {
o.set('k', 1);
o2.bindTo('k', o);
expect(o.get('k')).toEqual(1);
expect(o2.get('k')).toEqual(1);
expect(o.getKeys()).toEqual(['k']);
expect(o2.getKeys()).toEqual(['k']);
});
});
describe('bindTo before set', function() {
it('gets expected value', function() {
o2.bindTo('k', o);
o.set('k', 1);
expect(o.get('k')).toEqual(1);
expect(o2.get('k')).toEqual(1);
expect(o.getKeys()).toEqual(['k']);
expect(o2.getKeys()).toEqual(['k']);
});
});
describe('backwards', function() {
describe('bindTo after set', function() {
it('gets expected value', function() {
o2.set('k', 1);
o2.bindTo('k', o);
expect(o.get('k')).toBeUndefined();
expect(o2.get('k')).toBeUndefined();
});
});
describe('bindTo before set', function() {
it('gets expected value', function() {
o2.bindTo('k', o);
o2.set('k', 1);
expect(o.get('k')).toEqual(1);
expect(o2.get('k')).toEqual(1);
});
});
});
});
describe('unbind', function() {
var o2;
beforeEach(function() {
o2 = new ol.Object();
o2.bindTo('k', o);
o2.set('k', 1);
});
it('makes changes to unbound object invisible to other object', function() {
// initial state
expect(o.get('k')).toEqual(1);
expect(o2.get('k')).toEqual(1);
o2.unbind('k');
expect(o.get('k')).toEqual(1);
expect(o2.get('k')).toEqual(1);
o2.set('k', 2);
expect(o.get('k')).toEqual(1);
expect(o2.get('k')).toEqual(2);
});
});
describe('unbindAll', function() {
var o2;
beforeEach(function() {
o2 = new ol.Object();
o2.bindTo('k', o);
o2.set('k', 1);
});
it('makes changes to unbound object invisible to other object', function() {
// initial state
expect(o.get('k')).toEqual(1);
expect(o2.get('k')).toEqual(1);
o2.unbindAll();
expect(o.get('k')).toEqual(1);
expect(o2.get('k')).toEqual(1);
o2.set('k', 2);
expect(o.get('k')).toEqual(1);
expect(o2.get('k')).toEqual(2);
});
});
describe('bind rename', function() {
var listener1, o2, listener2;
beforeEach(function() {
o2 = new ol.Object();
o2.bindTo('k2', o, 'k1');
listener1 = jasmine.createSpy();
goog.events.listen(o, 'k1_changed', listener1);
listener2 = jasmine.createSpy();
goog.events.listen(o2, 'k2_changed', listener2);
});
it('sets the expected properties', function() {
o.set('k1', 1);
expect(o.get('k1')).toEqual(1);
expect(o.get('k2')).toBeUndefined();
expect(o2.get('k2')).toEqual(1);
expect(o2.get('k1')).toBeUndefined();
expect(listener1).toHaveBeenCalled();
expect(listener2).toHaveBeenCalled();
expect(o.getKeys()).toEqual(['k1']);
expect(o2.getKeys()).toEqual(['k2']);
});
});
describe('transitive bind', function() {
var o2, o3;
beforeEach(function() {
o2 = new ol.Object();
o3 = new ol.Object();
o2.bindTo('k2', o, 'k1');
o3.bindTo('k3', o2, 'k2');
});
it('sets the expected properties', function() {
o.set('k1', 1);
expect(o.get('k1')).toEqual(1);
expect(o2.get('k2')).toEqual(1);
expect(o3.get('k3')).toEqual(1);
expect(o.getKeys()).toEqual(['k1']);
expect(o2.getKeys()).toEqual(['k2']);
expect(o3.getKeys()).toEqual(['k3']);
});
describe('backward', function() {
it('sets the expected properties', function() {
o3.set('k3', 1);
expect(o.get('k1')).toEqual(1);
expect(o2.get('k2')).toEqual(1);
expect(o3.get('k3')).toEqual(1);
expect(o.getKeys()).toEqual(['k1']);
expect(o2.getKeys()).toEqual(['k2']);
expect(o3.getKeys()).toEqual(['k3']);
});
});
});
describe('circular bind', function() {
var o2;
beforeEach(function() {
o2 = new ol.Object();
o.bindTo('k', o2);
});
it('throws an error', function() {
expect(function() { o2.bindTo('k', o); }).toThrow();
});
});
describe('priority', function() {
var o2;
beforeEach(function() {
o2 = new ol.Object();
});
it('respects set order', function() {
o.set('k', 1);
o2.set('k', 2);
o.bindTo('k', o2);
expect(o.get('k')).toEqual(2);
expect(o2.get('k')).toEqual(2);
});
it('respects set order (undefined)', function() {
o.set('k', 1);
o.bindTo('k', o2);
expect(o.get('k')).toBeUndefined();
expect(o2.get('k')).toBeUndefined();
});
});
describe('setter', function() {
beforeEach(function() {
o.setX = function(x) {
this.set('x', x);
};
spyOn(o, 'setX').andCallThrough();
});
describe('without bind', function() {
it('does not call the setter', function() {
o.set('x', 1);
expect(o.get('x')).toEqual(1);
expect(o.setX).not.toHaveBeenCalled();
expect(o.getKeys()).toEqual(['x']);
});
});
describe('with bind', function() {
it('does call the setter', function() {
var o2 = new ol.Object();
o2.bindTo('x', o);
o2.set('x', 1);
expect(o.setX).toHaveBeenCalled();
expect(o.get('x')).toEqual(1);
expect(o.getKeys()).toEqual(['x']);
expect(o2.getKeys()).toEqual(['x']);
});
});
});
describe('getter', function() {
beforeEach(function() {
o.getX = function() {
return 1;
};
spyOn(o, 'getX').andCallThrough();
});
describe('without bind', function() {
it('does not call the getter', function() {
expect(o.get('x')).toBeUndefined();
expect(o.getX).not.toHaveBeenCalled();
});
});
describe('with bind', function() {
it('does call the getter', function() {
var o2 = new ol.Object();
o2.bindTo('x', o);
expect(o2.get('x')).toEqual(1);
expect(o.getX).toHaveBeenCalled();
expect(o.getKeys()).toEqual([]);
expect(o2.getKeys()).toEqual(['x']);
});
});
});
describe('bind self', function() {
it('throws an error', function() {
expect(function() { o.bindTo('k', o); }).toThrow();
});
});
describe('create with options', function() {
it('sets the property', function() {
var o = new ol.Object({k: 1});
expect(o.get('k')).toEqual(1);
expect(o.getKeys()).toEqual(['k']);
});
});
describe('case sentivity', function() {
var listener1, listener2;
beforeEach(function() {
listener1 = jasmine.createSpy();
goog.events.listen(o, 'k_changed', listener1);
listener2 = jasmine.createSpy();
goog.events.listen(o, 'K_changed', listener2);
});
it('dispatches the expected event', function() {
o.set('K', 1);
expect(listener1).toHaveBeenCalled();
expect(listener2).not.toHaveBeenCalled();
expect(o.getKeys()).toEqual(['K']);
});
});
});
goog.require('ol.Object');