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fix(ivy): shadow all DOM properties in DebugElement.properties (#33781)

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Fixes #33695

PR Close #33781
This commit is contained in:
Miško Hevery
2019-11-12 17:12:36 -08:00
committed by Alex Rickabaugh
parent 6d06d9d3c6
commit 5be23a309e
5 changed files with 151 additions and 72 deletions
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131
packages/core/test/debug/debug_node_spec.ts
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@ -14,7 +14,7 @@ import {ComponentFixture, TestBed, async} from '@angular/core/testing';
import {By} from '@angular/platform-browser/src/dom/debug/by';
import {hasClass} from '@angular/platform-browser/testing/src/browser_util';
import {expect} from '@angular/platform-browser/testing/src/matchers';
import {ivyEnabled} from '@angular/private/testing';
import {ivyEnabled, onlyInIvy} from '@angular/private/testing';
@Injectable()
class Logger {
@ -192,6 +192,11 @@ class TestApp {
class TestCmpt {
}
@Component({selector: 'test-cmpt-renderer', template: ``})
class TestCmptWithRenderer {
constructor(public renderer: Renderer2) {}
}
@Component({selector: 'host-class-binding', template: ''})
class HostClassBindingCmp {
@HostBinding('class')
@ -259,6 +264,7 @@ class TestCmptWithPropInterpolation {
SimpleContentComp,
TestCmptWithPropBindings,
TestCmptWithPropInterpolation,
TestCmptWithRenderer,
WithTitleDir,
],
providers: [Logger],
@ -736,60 +742,101 @@ class TestCmptWithPropInterpolation {
expect(fixture.componentInstance.customed).toBe(true);
});
it('should include classes in properties.className', () => {
fixture = TestBed.createComponent(HostClassBindingCmp);
fixture.detectChanges();
describe('properties', () => {
it('should include classes in properties.className', () => {
fixture = TestBed.createComponent(HostClassBindingCmp);
fixture.detectChanges();
const debugElement = fixture.debugElement;
const debugElement = fixture.debugElement;
expect(debugElement.properties.className).toBe('class-one class-two');
expect(debugElement.properties.className).toBe('class-one class-two');
fixture.componentInstance.hostClasses = 'class-three';
fixture.detectChanges();
fixture.componentInstance.hostClasses = 'class-three';
fixture.detectChanges();
expect(debugElement.properties.className).toBe('class-three');
expect(debugElement.properties.className).toBe('class-three');
fixture.componentInstance.hostClasses = '';
fixture.detectChanges();
fixture.componentInstance.hostClasses = '';
fixture.detectChanges();
expect(debugElement.properties.className).toBeFalsy();
});
expect(debugElement.properties.className).toBeFalsy();
});
it('should preserve the type of the property values', () => {
const fixture = TestBed.createComponent(TestCmptWithPropBindings);
fixture.detectChanges();
it('should preserve the type of the property values', () => {
const fixture = TestBed.createComponent(TestCmptWithPropBindings);
fixture.detectChanges();
const button = fixture.debugElement.query(By.css('button'));
expect(button.properties).toEqual({disabled: true, tabIndex: 1337, title: 'hello'});
});
const button = fixture.debugElement.query(By.css('button'));
expect(button.properties.disabled).toEqual(true);
expect(button.properties.tabIndex).toEqual(1337);
expect(button.properties.title).toEqual('hello');
});
it('should include interpolated properties in the properties map', () => {
const fixture = TestBed.createComponent(TestCmptWithPropInterpolation);
fixture.detectChanges();
it('should include interpolated properties in the properties map', () => {
const fixture = TestBed.createComponent(TestCmptWithPropInterpolation);
fixture.detectChanges();
const buttons = fixture.debugElement.children;
const buttons = fixture.debugElement.children;
expect(buttons.length).toBe(10);
expect(buttons[0].properties.title).toBe('0');
expect(buttons[1].properties.title).toBe('a1b');
expect(buttons[2].properties.title).toBe('a1b2c');
expect(buttons[3].properties.title).toBe('a1b2c3d');
expect(buttons[4].properties.title).toBe('a1b2c3d4e');
expect(buttons[5].properties.title).toBe('a1b2c3d4e5f');
expect(buttons[6].properties.title).toBe('a1b2c3d4e5f6g');
expect(buttons[7].properties.title).toBe('a1b2c3d4e5f6g7h');
expect(buttons[8].properties.title).toBe('a1b2c3d4e5f6g7h8i');
expect(buttons[9].properties.title).toBe('a1b2c3d4e5f6g7h8i9j');
});
expect(buttons.length).toBe(10);
expect(buttons[0].properties.title).toBe('0');
expect(buttons[1].properties.title).toBe('a1b');
expect(buttons[2].properties.title).toBe('a1b2c');
expect(buttons[3].properties.title).toBe('a1b2c3d');
expect(buttons[4].properties.title).toBe('a1b2c3d4e');
expect(buttons[5].properties.title).toBe('a1b2c3d4e5f');
expect(buttons[6].properties.title).toBe('a1b2c3d4e5f6g');
expect(buttons[7].properties.title).toBe('a1b2c3d4e5f6g7h');
expect(buttons[8].properties.title).toBe('a1b2c3d4e5f6g7h8i');
expect(buttons[9].properties.title).toBe('a1b2c3d4e5f6g7h8i9j');
});
it('should not include directive-shadowed properties in the properties map', () => {
TestBed.overrideTemplate(
TestCmptWithPropInterpolation, `<button with-title [title]="'goes to input'"></button>`);
const fixture = TestBed.createComponent(TestCmptWithPropInterpolation);
fixture.detectChanges();
it('should not include directive-shadowed properties in the properties map', () => {
TestBed.overrideTemplate(
TestCmptWithPropInterpolation,
`<button with-title [title]="'goes to input'"></button>`);
const fixture = TestBed.createComponent(TestCmptWithPropInterpolation);
fixture.detectChanges();
const button = fixture.debugElement.query(By.css('button'));
expect(button.properties.title).toBeUndefined();
const button = fixture.debugElement.query(By.css('button'));
expect(button.properties.title).not.toEqual('goes to input');
});
it('should return native properties from DOM element even if no binding present', () => {
TestBed.overrideTemplate(TestCmptWithRenderer, `<button></button>`);
const fixture = TestBed.createComponent(TestCmptWithRenderer);
fixture.detectChanges();
const button = fixture.debugElement.query(By.css('button'));
fixture.componentInstance.renderer.setProperty(button.nativeElement, 'title', 'myTitle');
expect(button.properties.title).toBe('myTitle');
});
it('should not include patched properties (starting with __) and on* properties', () => {
TestBed.overrideTemplate(
TestCmptWithPropInterpolation, `<button title="myTitle" (click)="true;"></button>`);
const fixture = TestBed.createComponent(TestCmptWithPropInterpolation);
fixture.detectChanges();
const host = fixture.debugElement;
const button = fixture.debugElement.query(By.css('button'));
expect(Object.keys(host.properties).filter(key => key.startsWith('__'))).toEqual([]);
expect(Object.keys(host.properties).filter(key => key.startsWith('on'))).toEqual([]);
expect(Object.keys(button.properties).filter(key => key.startsWith('__'))).toEqual([]);
expect(Object.keys(button.properties).filter(key => key.startsWith('on'))).toEqual([]);
});
onlyInIvy('Show difference in behavior')
.it('should pickup all of the element properties', () => {
TestBed.overrideTemplate(
TestCmptWithPropInterpolation, `<button title="myTitle"></button>`);
const fixture = TestBed.createComponent(TestCmptWithPropInterpolation);
fixture.detectChanges();
const host = fixture.debugElement;
const button = fixture.debugElement.query(By.css('button'));
expect(button.properties.title).toEqual('myTitle');
});
});
it('should trigger events registered via Renderer2', () => {