| 1 | import './setup';
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| 2 | import {Container} from 'aurelia-dependency-injection';
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| 3 | import {ViewSlot} from '../src/view-slot';
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| 4 | import {TemplatingEngine} from '../src/templating-engine';
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| 5 | import {View} from '../src/view';
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| 6 | import {ViewResources} from '../src/view-resources';
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| 7 | import {ViewFactory} from '../src/view-factory';
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| 8 | import {ShadowDOM} from '../src/shadow-dom'
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| 9 | import {DOM} from 'aurelia-pal';
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| 10 |
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| 11 | describe('view-slot', () => {
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| 12 | let container;
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| 13 | let templatingEngine;
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| 14 | let viewSlot;
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| 15 | let parent;
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| 16 | let element;
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| 17 | let comment;
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| 18 |
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| 19 | beforeEach(() => {
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| 20 | container = new Container();
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| 21 | parent = DOM.createElement('div');
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| 22 | comment = DOM.createComment('testing');
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| 23 | element = DOM.createElement('div');
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| 24 | parent.appendChild(element);
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| 25 | viewSlot = new ViewSlot(element, false);
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| 26 | container.registerInstance(DOM.Element, element);
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| 27 | templatingEngine = container.get(TemplatingEngine);
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| 28 | });
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| 29 |
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| 30 | describe('when binding to a bindingContext', () => {
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| 31 | let context = { name: 'Test Context' };
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| 32 | let view;
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| 33 | let compilerInstructions;
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| 34 | let resources;
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| 35 | let factory;
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| 36 |
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| 37 | beforeEach(() => {
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| 38 | compilerInstructions = {};
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| 39 | resources = container.get(ViewResources);
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| 40 | factory = new ViewFactory(parent, compilerInstructions, resources);
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| 41 | view = factory.create();
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| 42 | });
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| 43 |
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| 44 | describe('.bind', () => {
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| 45 | it('applies bindingContext if unbound', () => {
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| 46 | viewSlot.bind(context);
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| 47 | expect(viewSlot.bindingContext).toEqual(context);
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| 48 | });
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| 49 |
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| 50 | it('applies new bindingContext if not matching old', () => {
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| 51 | let newContext = { name: 'New Context' };
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| 52 | viewSlot.bind(context);
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| 53 | expect(viewSlot.bindingContext).toEqual(context);
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| 54 | viewSlot.bind(newContext);
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| 55 | expect(viewSlot.bindingContext).toEqual(newContext);
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| 56 | });
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| 57 |
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| 58 | it('applies new bindingContext to all children', () => {
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| 59 | viewSlot.add(view);
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| 60 | viewSlot.bind(context);
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| 61 | expect(view.bindingContext).toEqual(context)
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| 62 | });
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| 63 |
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| 64 | it('applies override context', () => {
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| 65 | viewSlot.bind(context, { $index: 0 });
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| 66 | expect(viewSlot.overrideContext).toEqual({ $index: 0 });
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| 67 | });
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| 68 | });
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| 69 |
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| 70 | describe('.unbind', () => {
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| 71 | it('removes bindingContext if already bound', () => {
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| 72 | viewSlot.bind(context);
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| 73 | viewSlot.unbind();
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| 74 | expect(viewSlot.isBound).toEqual(false);
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| 75 | expect(viewSlot.bindingContext).toEqual(null);
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| 76 | });
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| 77 |
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| 78 | it('removes bindingContext from all children', () => {
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| 79 | viewSlot.add(view);
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| 80 | viewSlot.bind(context);
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| 81 | expect(view.bindingContext).toEqual(context);
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| 82 | viewSlot.unbind();
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| 83 | expect(view.bindingContext).toEqual(null);
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| 84 | });
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| 85 |
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| 86 | it('removes override context', () => {
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| 87 | viewSlot.bind(context, { $index: 0 });
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| 88 | expect(viewSlot.overrideContext).toEqual({ $index: 0 });
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| 89 | viewSlot.unbind();
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| 90 | expect(view.bindingContext).toEqual(null);
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| 91 | expect(view.overrideContext).toEqual(null);
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| 92 | });
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| 93 | });
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| 94 | });
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| 95 |
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| 96 | describe('when adding or removing views', () => {
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| 97 | let view;
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| 98 | let secondView;
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| 99 | let thirdView;
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| 100 | let compilerInstructions;
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| 101 | let resources;
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| 102 | let factory;
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| 103 |
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| 104 | beforeEach(() => {
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| 105 | compilerInstructions = {};
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| 106 | resources = container.get(ViewResources);
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| 107 | factory = new ViewFactory(parent, compilerInstructions, resources);
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| 108 | view = factory.create();
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| 109 | secondView = factory.create();
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| 110 | thirdView = factory.create();
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| 111 | });
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| 112 |
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| 113 | describe('.add', () => {
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| 114 | it('adds a new view to children', () => {
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| 115 | expect(viewSlot.children.length).toEqual(0);
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| 116 | viewSlot.add(view);
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| 117 | expect(viewSlot.children.length).toEqual(1);
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| 118 | });
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| 119 |
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| 120 | xit('returns a promise if is animatable', () => {
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| 121 | viewSlot.add(comment)
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| 122 | let result = viewSlot.add(view);
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| 123 | expect(result.constructor.name).toEqual('Promise');
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| 124 | });
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| 125 | });
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| 126 |
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| 127 | describe('.insert', () => {
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| 128 | it('inserts a new view to children when empty already', () => {
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| 129 | viewSlot.insert(0, secondView);
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| 130 | expect(viewSlot.children.length).toEqual(1);
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| 131 | expect(viewSlot.children[0]).toEqual(secondView);
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| 132 | });
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| 133 |
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| 134 | it('inserts a new view to children when contains 1 already', () => {
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| 135 | viewSlot.add(view);
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| 136 | viewSlot.insert(1, secondView);
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| 137 | expect(viewSlot.children.length).toEqual(2);
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| 138 | });
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| 139 |
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| 140 | it('inserts a new view to children when contains 2 already', () => {
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| 141 | viewSlot.add(view);
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| 142 | viewSlot.add(secondView);
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| 143 | viewSlot.insert(1, thirdView);
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| 144 | expect(viewSlot.children.length).toEqual(3);
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| 145 | });
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| 146 |
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| 147 | xit('returns a promise if is animatable', () => {
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| 148 | viewSlot.add(view);
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| 149 | view.attached();
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| 150 | let result = viewSlot.insert(1, view);
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| 151 | expect(result.constructor.name).toEqual('Promise');
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| 152 | });
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| 153 | });
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| 154 |
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| 155 | describe('.move', () => {
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| 156 | it('moves a view across children when contains 3 already', () => {
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| 157 | viewSlot.add(view);
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| 158 | viewSlot.add(secondView);
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| 159 | viewSlot.add(thirdView);
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| 160 | viewSlot.move(2, 1);
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| 161 | expect(viewSlot.children.length).toEqual(3);
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| 162 | expect(viewSlot.children[1]).toEqual(thirdView);
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| 163 | expect(viewSlot.children[2]).toEqual(secondView);
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| 164 | });
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| 165 |
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| 166 | it('moves a view to the beginning of children when contains 3 already', () => {
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| 167 | viewSlot.add(view);
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| 168 | viewSlot.add(secondView);
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| 169 | viewSlot.add(thirdView);
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| 170 | viewSlot.move(2, 0);
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| 171 | expect(viewSlot.children.length).toEqual(3);
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| 172 | expect(viewSlot.children[0]).toEqual(thirdView);
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| 173 | expect(viewSlot.children[1]).toEqual(view);
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| 174 | expect(viewSlot.children[2]).toEqual(secondView);
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| 175 | });
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| 176 |
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| 177 | it('moves a view to the end of children when contains 3 already', () => {
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| 178 | viewSlot.add(view);
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| 179 | viewSlot.add(secondView);
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| 180 | viewSlot.add(thirdView);
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| 181 | viewSlot.move(0, 2);
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| 182 | expect(viewSlot.children.length).toEqual(3);
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| 183 | expect(viewSlot.children[0]).toEqual(secondView);
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| 184 | expect(viewSlot.children[1]).toEqual(thirdView);
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| 185 | expect(viewSlot.children[2]).toEqual(view);
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| 186 | });
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| 187 | });
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| 188 |
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| 189 | describe('.remove', () => {
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| 190 | it('removes a view from children', () => {
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| 191 | viewSlot.add(view);
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| 192 | expect(viewSlot.children.length).toEqual(1);
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| 193 | viewSlot.remove(view);
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| 194 | expect(viewSlot.children.length).toEqual(0);
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| 195 | });
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| 196 |
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| 197 | it('calls detached if already attached when removed', () => {
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| 198 | spyOn(view, 'detached');
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| 199 | viewSlot.add(view);
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| 200 | viewSlot.attached();
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| 201 | viewSlot.remove(view);
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| 202 | expect(view.detached).toHaveBeenCalled();
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| 203 | });
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| 204 |
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| 205 | describe('doesnt call return to cache when returnToCache', () => {
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| 206 |
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| 207 | it('is set to false', () => {
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| 208 | spyOn(view, 'returnToCache');
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| 209 | viewSlot.add(view);
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| 210 | viewSlot.remove(view, false);
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| 211 | expect(view.returnToCache).not.toHaveBeenCalled();
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| 212 | });
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| 213 |
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| 214 | it('is not set', () => {
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| 215 | spyOn(view, 'returnToCache');
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| 216 | viewSlot.add(view);
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| 217 | viewSlot.remove(view);
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| 218 | expect(view.returnToCache).not.toHaveBeenCalled();
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| 219 | });
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| 220 | });
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| 221 |
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| 222 | it('calls return to cache when returnToCache is true', () => {
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| 223 | spyOn(view, 'returnToCache');
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| 224 | viewSlot.add(view);
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| 225 | viewSlot.remove(view, true);
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| 226 | expect(view.returnToCache).toHaveBeenCalled();
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| 227 | });
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| 228 | });
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| 229 |
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| 230 |
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| 231 | describe('.remove with ShadowDOM', () => {
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| 232 | let { distributeView, undistributeAll, undistributeView } = ShadowDOM;
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| 233 | beforeAll(() => {
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| 234 | ShadowDOM.distributeView = ShadowDOM.undistributeView = ShadowDOM.undistributeAll = () => {};
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| 235 | });
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| 236 | afterAll(() => {
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| 237 | ShadowDOM.distributeView = distributeView;
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| 238 | ShadowDOM.undistributeView = undistributeView;
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| 239 | ShadowDOM.undistributeAll = undistributeAll;
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| 240 | });
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| 241 |
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| 242 | beforeEach(() => {
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| 243 | viewSlot.projectTo({ _default_: {} });
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| 244 | });
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| 245 |
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| 246 | it('removes a view from children', () => {
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| 247 | viewSlot.add(view);
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| 248 | expect(viewSlot.children.length).toEqual(1);
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| 249 | viewSlot.remove(view);
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| 250 | expect(viewSlot.children.length).toEqual(0);
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| 251 | });
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| 252 |
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| 253 | it('calls detached if already attached when removed', () => {
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| 254 | spyOn(view, 'detached');
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| 255 | viewSlot.add(view);
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| 256 | viewSlot.attached();
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| 257 | viewSlot.remove(view);
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| 258 | expect(view.detached).toHaveBeenCalled();
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| 259 | });
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| 260 |
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| 261 | describe('doesnt call return to cache when returnToCache', () => {
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| 262 |
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| 263 | it('is set to false', () => {
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| 264 | spyOn(view, 'returnToCache');
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| 265 | viewSlot.add(view);
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| 266 | viewSlot.remove(view, false);
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| 267 | expect(view.returnToCache).not.toHaveBeenCalled();
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| 268 | });
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| 269 |
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| 270 | it('is not set', () => {
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| 271 | spyOn(view, 'returnToCache');
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| 272 | viewSlot.add(view);
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| 273 | viewSlot.remove(view);
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| 274 | expect(view.returnToCache).not.toHaveBeenCalled();
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| 275 | });
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| 276 | });
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| 277 |
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| 278 | it('calls return to cache when returnToCache is true', () => {
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| 279 | spyOn(view, 'returnToCache');
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| 280 | viewSlot.add(view);
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| 281 | viewSlot.remove(view, true);
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| 282 | expect(view.returnToCache).toHaveBeenCalled();
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| 283 | });
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| 284 | });
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| 285 |
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| 286 | describe('.removeAll', () => {
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| 287 | it('removes all views from children', () => {
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| 288 | viewSlot.add(view);
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| 289 | viewSlot.add(secondView);
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| 290 | expect(viewSlot.children.length).toEqual(2);
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| 291 | viewSlot.removeAll();
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| 292 | expect(viewSlot.children.length).toEqual(0);
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| 293 | });
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| 294 | });
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| 295 |
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| 296 | describe('.removeMany', () => {
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| 297 | it('removes many views from children synchronously', () => {
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| 298 | viewSlot.add(view);
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| 299 | viewSlot.add(secondView);
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| 300 | viewSlot.add(thirdView);
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| 301 | expect(viewSlot.children.length).toEqual(3);
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| 302 | viewSlot.removeMany([view, thirdView]);
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| 303 | expect(viewSlot.children.length).toEqual(1);
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| 304 | viewSlot.removeMany([secondView]);
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| 305 | expect(viewSlot.children.length).toEqual(0);
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| 306 | });
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| 307 | });
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| 308 |
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| 309 | describe('.attached', () => {
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| 310 | it('sets attached on the slot', () => {
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| 311 | expect(viewSlot.isAttached).toEqual(false);
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| 312 | viewSlot.attached();
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| 313 | expect(viewSlot.isAttached).toEqual(true);
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| 314 | });
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| 315 |
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| 316 | it('sets attached on children', () => {
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| 317 | expect(view.isAttached).toEqual(false);
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| 318 | viewSlot.add(view);
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| 319 | viewSlot.attached();
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| 320 | expect(view.isAttached).toEqual(true);
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| 321 | });
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| 322 | });
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| 323 |
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| 324 | describe('.detached', () => {
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| 325 | it('sets detached on the slot', () => {
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| 326 | viewSlot.attached();
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| 327 | expect(viewSlot.isAttached).toEqual(true);
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| 328 | viewSlot.detached();
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| 329 | expect(viewSlot.isAttached).toEqual(false);
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| 330 | });
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| 331 |
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| 332 | it('sets detached on children', () => {
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| 333 | viewSlot.attached();
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| 334 | expect(viewSlot.isAttached).toEqual(true);
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| 335 | viewSlot.add(view);
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| 336 | viewSlot.detached();
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| 337 | expect(view.isAttached).toEqual(false);
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| 338 | });
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| 339 | });
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| 340 | });
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| 341 | });
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