/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {InjectFlags, Optional, Renderer2, Self} from '@angular/core';
import {createLView, createTView, getOrCreateTNode} from '@angular/core/src/render3/instructions/shared';
import {RenderFlags} from '@angular/core/src/render3/interfaces/definition';
import {ɵɵdefineComponent} from '../../src/render3/definition';
import {bloomAdd, bloomHasToken, bloomHashBitOrFactory as bloomHash, getOrCreateNodeInjectorForNode} from '../../src/render3/di';
import {ɵɵdefineDirective, ɵɵdirectiveInject, ɵɵelement, ɵɵelementEnd, ɵɵelementStart, ɵɵtext} from '../../src/render3/index';
import {TNODE} from '../../src/render3/interfaces/injector';
import {TNodeType} from '../../src/render3/interfaces/node';
import {isProceduralRenderer} from '../../src/render3/interfaces/renderer';
import {LViewFlags, TVIEW} from '../../src/render3/interfaces/view';
import {selectView} from '../../src/render3/state';
import {getRendererFactory2} from './imported_renderer2';
import {ComponentFixture, createComponent, createDirective} from './render_util';
describe('di', () => {
describe('directive injection', () => {
class DirB {
value = 'DirB';
static ngFactoryDef = () => new DirB();
static ngDirectiveDef =
ɵɵdefineDirective({selectors: [['', 'dirB', '']], type: DirB, inputs: {value: 'value'}});
}
describe('flags', () => {
class DirB {
// TODO(issue/24571): remove '!'.
value !: string;
static ngFactoryDef = () => new DirB();
static ngDirectiveDef =
ɵɵdefineDirective({type: DirB, selectors: [['', 'dirB', '']], inputs: {value: 'dirB'}});
}
describe('Optional', () => {
let dirA: DirA|null = null;
class DirA {
constructor(@Optional() public dirB: DirB|null) {}
static ngFactoryDef =
() => {
dirA = new DirA(ɵɵdirectiveInject(DirB, InjectFlags.Optional));
return dirA;
}
static ngDirectiveDef = ɵɵdefineDirective({type: DirA, selectors: [['', 'dirA', '']]});
}
beforeEach(() => dirA = null);
it('should not throw if dependency is @Optional (limp mode)', () => {
/** */
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirA', '']);
}
}, 1, 0, [DirA, DirB]);
expect(() => { new ComponentFixture(App); }).not.toThrow();
expect(dirA !.dirB).toEqual(null);
});
});
it('should check only the current node with @Self even with false positive', () => {
let dirA: DirA;
class DirA {
constructor(@Self() public dirB: DirB) {}
static ngFactoryDef = () => dirA = new DirA(ɵɵdirectiveInject(DirB, InjectFlags.Self));
static ngDirectiveDef = ɵɵdefineDirective({type: DirA, selectors: [['', 'dirA', '']]});
}
const DirC = createDirective('dirC');
/**
*
*/
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelementStart(0, 'div', ['dirB', '']);
ɵɵelement(1, 'div', ['dirA', '', 'dirC', '']);
ɵɵelementEnd();
}
}, 2, 0, [DirA, DirB, DirC]);
expect(() => {
(DirA as any)['__NG_ELEMENT_ID__'] = 1;
(DirC as any)['__NG_ELEMENT_ID__'] = 257;
new ComponentFixture(App);
}).toThrowError(/NodeInjector: NOT_FOUND \[DirB]/);
});
});
});
describe('Renderer2', () => {
class MyComp {
constructor(public renderer: Renderer2) {}
static ngFactoryDef = () => new MyComp(ɵɵdirectiveInject(Renderer2 as any));
static ngComponentDef = ɵɵdefineComponent({
type: MyComp,
selectors: [['my-comp']],
consts: 1,
vars: 0,
template: function(rf: RenderFlags, ctx: MyComp) {
if (rf & RenderFlags.Create) {
ɵɵtext(0, 'Foo');
}
}
});
}
it('should inject the Renderer2 used by the application', () => {
const rendererFactory = getRendererFactory2(document);
const fixture = new ComponentFixture(MyComp, {rendererFactory: rendererFactory});
expect(isProceduralRenderer(fixture.component.renderer)).toBeTruthy();
});
it('should throw when injecting Renderer2 but the application is using Renderer3',
() => { expect(() => new ComponentFixture(MyComp)).toThrow(); });
});
describe('ɵɵinject', () => {
describe('bloom filter', () => {
let mockTView: any;
beforeEach(() => {
mockTView = {data: [0, 0, 0, 0, 0, 0, 0, 0, null], firstTemplatePass: true};
});
function bloomState() { return mockTView.data.slice(0, TNODE).reverse(); }
class Dir0 {
/** @internal */ static __NG_ELEMENT_ID__ = 0;
}
class Dir1 {
/** @internal */ static __NG_ELEMENT_ID__ = 1;
}
class Dir33 {
/** @internal */ static __NG_ELEMENT_ID__ = 33;
}
class Dir66 {
/** @internal */ static __NG_ELEMENT_ID__ = 66;
}
class Dir99 {
/** @internal */ static __NG_ELEMENT_ID__ = 99;
}
class Dir132 {
/** @internal */ static __NG_ELEMENT_ID__ = 132;
}
class Dir165 {
/** @internal */ static __NG_ELEMENT_ID__ = 165;
}
class Dir198 {
/** @internal */ static __NG_ELEMENT_ID__ = 198;
}
class Dir231 {
/** @internal */ static __NG_ELEMENT_ID__ = 231;
}
it('should add values', () => {
bloomAdd(0, mockTView, Dir0);
expect(bloomState()).toEqual([0, 0, 0, 0, 0, 0, 0, 1]);
bloomAdd(0, mockTView, Dir33);
expect(bloomState()).toEqual([0, 0, 0, 0, 0, 0, 2, 1]);
bloomAdd(0, mockTView, Dir66);
expect(bloomState()).toEqual([0, 0, 0, 0, 0, 4, 2, 1]);
bloomAdd(0, mockTView, Dir99);
expect(bloomState()).toEqual([0, 0, 0, 0, 8, 4, 2, 1]);
bloomAdd(0, mockTView, Dir132);
expect(bloomState()).toEqual([0, 0, 0, 16, 8, 4, 2, 1]);
bloomAdd(0, mockTView, Dir165);
expect(bloomState()).toEqual([0, 0, 32, 16, 8, 4, 2, 1]);
bloomAdd(0, mockTView, Dir198);
expect(bloomState()).toEqual([0, 64, 32, 16, 8, 4, 2, 1]);
bloomAdd(0, mockTView, Dir231);
expect(bloomState()).toEqual([128, 64, 32, 16, 8, 4, 2, 1]);
});
it('should query values', () => {
bloomAdd(0, mockTView, Dir0);
bloomAdd(0, mockTView, Dir33);
bloomAdd(0, mockTView, Dir66);
bloomAdd(0, mockTView, Dir99);
bloomAdd(0, mockTView, Dir132);
bloomAdd(0, mockTView, Dir165);
bloomAdd(0, mockTView, Dir198);
bloomAdd(0, mockTView, Dir231);
expect(bloomHasToken(bloomHash(Dir0) as number, 0, mockTView.data)).toEqual(true);
expect(bloomHasToken(bloomHash(Dir1) as number, 0, mockTView.data)).toEqual(false);
expect(bloomHasToken(bloomHash(Dir33) as number, 0, mockTView.data)).toEqual(true);
expect(bloomHasToken(bloomHash(Dir66) as number, 0, mockTView.data)).toEqual(true);
expect(bloomHasToken(bloomHash(Dir99) as number, 0, mockTView.data)).toEqual(true);
expect(bloomHasToken(bloomHash(Dir132) as number, 0, mockTView.data)).toEqual(true);
expect(bloomHasToken(bloomHash(Dir165) as number, 0, mockTView.data)).toEqual(true);
expect(bloomHasToken(bloomHash(Dir198) as number, 0, mockTView.data)).toEqual(true);
expect(bloomHasToken(bloomHash(Dir231) as number, 0, mockTView.data)).toEqual(true);
});
});
});
describe('getOrCreateNodeInjector', () => {
it('should handle initial undefined state', () => {
const contentView = createLView(
null, createTView(-1, null, 1, 0, null, null, null, null), null, LViewFlags.CheckAlways,
null, null, {} as any, {} as any);
const oldView = selectView(contentView, null);
try {
const parentTNode =
getOrCreateTNode(contentView[TVIEW], null, 0, TNodeType.Element, null, null);
// Simulate the situation where the previous parent is not initialized.
// This happens on first bootstrap because we don't init existing values
// so that we have smaller HelloWorld.
(parentTNode as{parent: any}).parent = undefined;
const injector = getOrCreateNodeInjectorForNode(parentTNode, contentView);
expect(injector).not.toEqual(-1);
} finally {
selectView(oldView, null);
}
});
});
});