301 lines
12 KiB
TypeScript
301 lines
12 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {ErrorHandler, SecurityContext, getDebugNode} from '@angular/core';
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import {getDebugContext} from '@angular/core/src/errors';
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import {BindingFlags, NodeFlags, Services, ViewData, ViewDefinition, asElementData, elementDef} from '@angular/core/src/view/index';
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import {TestBed} from '@angular/core/testing';
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import {getDOM} from '@angular/platform-browser/src/dom/dom_adapter';
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import {ARG_TYPE_VALUES, callMostRecentEventListenerHandler, checkNodeInlineOrDynamic, compViewDef, createAndGetRootNodes, isBrowser, recordNodeToRemove} from './helper';
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/**
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* We map addEventListener to the Zones internal name. This is because we want to be fast
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* and bypass the zone bookkeeping. We know that we can do the bookkeeping faster.
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*/
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const addEventListener = '__zone_symbol__addEventListener' as 'addEventListener';
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const removeEventListener = '__zone_symbol__removeEventListener' as 'removeEventListener';
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{
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describe(`View Elements`, () => {
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describe('create', () => {
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it('should create elements without parents', () => {
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const rootNodes = createAndGetRootNodes(compViewDef([
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elementDef(0, NodeFlags.None, null, null, 0, 'span')
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])).rootNodes;
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expect(rootNodes.length).toBe(1);
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expect(getDOM().nodeName(rootNodes[0]).toLowerCase()).toBe('span');
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});
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it('should create views with multiple root elements', () => {
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const rootNodes = createAndGetRootNodes(compViewDef([
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elementDef(0, NodeFlags.None, null, null, 0, 'span'),
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elementDef(1, NodeFlags.None, null, null, 0, 'span'),
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])).rootNodes;
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expect(rootNodes.length).toBe(2);
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});
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it('should create elements with parents', () => {
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const rootNodes = createAndGetRootNodes(compViewDef([
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elementDef(0, NodeFlags.None, null, null, 1, 'div'),
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elementDef(1, NodeFlags.None, null, null, 0, 'span'),
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])).rootNodes;
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expect(rootNodes.length).toBe(1);
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const spanEl = getDOM().childNodes(rootNodes[0])[0];
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expect(getDOM().nodeName(spanEl).toLowerCase()).toBe('span');
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});
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it('should set fixed attributes', () => {
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const rootNodes = createAndGetRootNodes(compViewDef([
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elementDef(0, NodeFlags.None, null, null, 0, 'div', [['title', 'a']]),
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])).rootNodes;
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expect(rootNodes.length).toBe(1);
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expect(getDOM().getAttribute(rootNodes[0], 'title')).toBe('a');
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});
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it('should add debug information to the renderer', () => {
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const someContext = new Object();
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const {view, rootNodes} = createAndGetRootNodes(
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compViewDef([elementDef(0, NodeFlags.None, null, null, 0, 'div')]), someContext);
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expect(getDebugNode(rootNodes[0]) !.nativeNode).toBe(asElementData(view, 0).renderElement);
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});
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});
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describe('change properties', () => {
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ARG_TYPE_VALUES.forEach((inlineDynamic) => {
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it(`should update via strategy ${inlineDynamic}`, () => {
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const {view, rootNodes} = createAndGetRootNodes(compViewDef(
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[
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elementDef(
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0, NodeFlags.None, null, null, 0, 'input', null,
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[
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[BindingFlags.TypeProperty, 'title', SecurityContext.NONE],
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[BindingFlags.TypeProperty, 'value', SecurityContext.NONE],
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]),
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],
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null, (check, view) => {
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checkNodeInlineOrDynamic(check, view, 0, inlineDynamic, ['v1', 'v2']);
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}));
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Services.checkAndUpdateView(view);
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const el = rootNodes[0];
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expect(getDOM().getProperty(el, 'title')).toBe('v1');
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expect(getDOM().getProperty(el, 'value')).toBe('v2');
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});
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});
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});
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describe('change attributes', () => {
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ARG_TYPE_VALUES.forEach((inlineDynamic) => {
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it(`should update via strategy ${inlineDynamic}`, () => {
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const {view, rootNodes} = createAndGetRootNodes(compViewDef(
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[
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elementDef(
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0, NodeFlags.None, null, null, 0, 'div', null,
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[
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[BindingFlags.TypeElementAttribute, 'a1', SecurityContext.NONE],
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[BindingFlags.TypeElementAttribute, 'a2', SecurityContext.NONE],
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]),
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],
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null, (check, view) => {
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checkNodeInlineOrDynamic(check, view, 0, inlineDynamic, ['v1', 'v2']);
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}));
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Services.checkAndUpdateView(view);
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const el = rootNodes[0];
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expect(getDOM().getAttribute(el, 'a1')).toBe('v1');
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expect(getDOM().getAttribute(el, 'a2')).toBe('v2');
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});
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});
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});
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describe('change classes', () => {
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ARG_TYPE_VALUES.forEach((inlineDynamic) => {
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it(`should update via strategy ${inlineDynamic}`, () => {
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const {view, rootNodes} = createAndGetRootNodes(compViewDef(
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[
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elementDef(
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0, NodeFlags.None, null, null, 0, 'div', null,
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[
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[BindingFlags.TypeElementClass, 'c1', null],
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[BindingFlags.TypeElementClass, 'c2', null],
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]),
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],
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(check, view) => {
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checkNodeInlineOrDynamic(check, view, 0, inlineDynamic, [true, true]);
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}));
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Services.checkAndUpdateView(view);
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const el = rootNodes[0];
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expect(getDOM().hasClass(el, 'c1')).toBeTruthy();
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expect(getDOM().hasClass(el, 'c2')).toBeTruthy();
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});
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});
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});
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describe('change styles', () => {
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ARG_TYPE_VALUES.forEach((inlineDynamic) => {
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it(`should update via strategy ${inlineDynamic}`, () => {
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const {view, rootNodes} = createAndGetRootNodes(compViewDef(
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[
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elementDef(
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0, NodeFlags.None, null, null, 0, 'div', null,
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[
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[BindingFlags.TypeElementStyle, 'width', 'px'],
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[BindingFlags.TypeElementStyle, 'color', null],
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]),
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],
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null, (check, view) => {
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checkNodeInlineOrDynamic(check, view, 0, inlineDynamic, [10, 'red']);
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}));
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Services.checkAndUpdateView(view);
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const el = rootNodes[0];
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expect(getDOM().getStyle(el, 'width')).toBe('10px');
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expect(getDOM().getStyle(el, 'color')).toBe('red');
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});
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});
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});
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if (isBrowser()) {
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describe('listen to DOM events', () => {
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function createAndAttachAndGetRootNodes(viewDef: ViewDefinition):
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{rootNodes: any[], view: ViewData} {
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const result = createAndGetRootNodes(viewDef);
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// Note: We need to append the node to the document.body, otherwise `click` events
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// won't work in IE.
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result.rootNodes.forEach((node) => {
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document.body.appendChild(node);
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recordNodeToRemove(node);
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});
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return result;
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}
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it('should listen to DOM events', () => {
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const handleEventSpy = jasmine.createSpy('handleEvent');
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const removeListenerSpy =
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spyOn(HTMLElement.prototype, removeEventListener).and.callThrough();
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const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
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0, NodeFlags.None, null, null, 0, 'button', null, null, [[null !, 'click']],
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handleEventSpy)]));
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rootNodes[0].click();
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expect(handleEventSpy).toHaveBeenCalled();
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let handleEventArgs = handleEventSpy.calls.mostRecent().args;
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expect(handleEventArgs[0]).toBe(view);
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expect(handleEventArgs[1]).toBe('click');
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expect(handleEventArgs[2]).toBeTruthy();
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Services.destroyView(view);
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expect(removeListenerSpy).toHaveBeenCalled();
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});
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it('should listen to window events', () => {
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const handleEventSpy = jasmine.createSpy('handleEvent');
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const addListenerSpy = spyOn(window, addEventListener);
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const removeListenerSpy = spyOn(window, removeEventListener);
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const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
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0, NodeFlags.None, null, null, 0, 'button', null, null, [['window', 'windowClick']],
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handleEventSpy)]));
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expect(addListenerSpy).toHaveBeenCalled();
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expect(addListenerSpy.calls.mostRecent().args[0]).toBe('windowClick');
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callMostRecentEventListenerHandler(addListenerSpy, {name: 'windowClick'});
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expect(handleEventSpy).toHaveBeenCalled();
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const handleEventArgs = handleEventSpy.calls.mostRecent().args;
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expect(handleEventArgs[0]).toBe(view);
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expect(handleEventArgs[1]).toBe('window:windowClick');
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expect(handleEventArgs[2]).toBeTruthy();
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Services.destroyView(view);
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expect(removeListenerSpy).toHaveBeenCalled();
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});
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it('should listen to document events', () => {
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const handleEventSpy = jasmine.createSpy('handleEvent');
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const addListenerSpy = spyOn(document, addEventListener);
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const removeListenerSpy = spyOn(document, removeEventListener);
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const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
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0, NodeFlags.None, null, null, 0, 'button', null, null,
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[['document', 'documentClick']], handleEventSpy)]));
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expect(addListenerSpy).toHaveBeenCalled();
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expect(addListenerSpy.calls.mostRecent().args[0]).toBe('documentClick');
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callMostRecentEventListenerHandler(addListenerSpy, {name: 'windowClick'});
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expect(handleEventSpy).toHaveBeenCalled();
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const handleEventArgs = handleEventSpy.calls.mostRecent().args;
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expect(handleEventArgs[0]).toBe(view);
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expect(handleEventArgs[1]).toBe('document:documentClick');
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expect(handleEventArgs[2]).toBeTruthy();
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Services.destroyView(view);
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expect(removeListenerSpy).toHaveBeenCalled();
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});
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it('should preventDefault only if the handler returns false', () => {
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let eventHandlerResult: any;
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let preventDefaultSpy: jasmine.Spy = undefined !;
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const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
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0, NodeFlags.None, null, null, 0, 'button', null, null, [[null !, 'click']],
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(view, eventName, event) => {
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preventDefaultSpy = spyOn(event, 'preventDefault').and.callThrough();
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return eventHandlerResult;
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})]));
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eventHandlerResult = undefined;
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rootNodes[0].click();
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expect(preventDefaultSpy).not.toHaveBeenCalled();
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eventHandlerResult = true;
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rootNodes[0].click();
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expect(preventDefaultSpy).not.toHaveBeenCalled();
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eventHandlerResult = 'someString';
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rootNodes[0].click();
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expect(preventDefaultSpy).not.toHaveBeenCalled();
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eventHandlerResult = false;
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rootNodes[0].click();
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expect(preventDefaultSpy).toHaveBeenCalled();
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});
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it('should report debug info on event errors', () => {
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const handleErrorSpy = spyOn(TestBed.get(ErrorHandler), 'handleError');
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const addListenerSpy = spyOn(HTMLElement.prototype, addEventListener).and.callThrough();
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const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
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0, NodeFlags.None, null, null, 0, 'button', null, null, [[null !, 'click']],
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() => { throw new Error('Test'); })]));
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callMostRecentEventListenerHandler(addListenerSpy, 'SomeEvent');
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const err = handleErrorSpy.calls.mostRecent().args[0];
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expect(err).toBeTruthy();
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expect(err.message).toBe('Test');
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const debugCtx = getDebugContext(err);
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expect(debugCtx.view).toBe(view);
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expect(debugCtx.nodeIndex).toBe(0);
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});
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});
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}
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});
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}
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