refactor(ivy): move di tests for flags to acceptance (#29299)

Including tests for `@Optional`, `@Self`, `@SkipSelf` and `@Host`.

PR Close #29299
This commit is contained in:
cexbrayat 2019-03-30 11:32:48 +01:00 committed by Andrew Kushnir
parent 1b0be8d656
commit 0151ad432b
2 changed files with 390 additions and 435 deletions

View File

@ -7,7 +7,7 @@
*/ */
import {CommonModule} from '@angular/common'; import {CommonModule} from '@angular/common';
import {Attribute, ChangeDetectorRef, Component, Directive, ElementRef, EventEmitter, HostBinding, INJECTOR, Inject, Injectable, Injector, Input, LOCALE_ID, Optional, Output, Pipe, PipeTransform, SkipSelf, TemplateRef, ViewChild, ViewContainerRef, forwardRef} from '@angular/core'; import {Attribute, ChangeDetectorRef, Component, Directive, ElementRef, EventEmitter, Host, HostBinding, INJECTOR, Inject, Injectable, Injector, Input, LOCALE_ID, Optional, Output, Pipe, PipeTransform, Self, SkipSelf, TemplateRef, ViewChild, ViewContainerRef, forwardRef} from '@angular/core';
import {ViewRef} from '@angular/core/src/render3/view_ref'; import {ViewRef} from '@angular/core/src/render3/view_ref';
import {TestBed} from '@angular/core/testing'; import {TestBed} from '@angular/core/testing';
import {onlyInIvy} from '@angular/private/testing'; import {onlyInIvy} from '@angular/private/testing';
@ -38,6 +38,7 @@ describe('di', () => {
@Directive({selector: '[dirB]', exportAs: 'dirB'}) @Directive({selector: '[dirB]', exportAs: 'dirB'})
class DirectiveB { class DirectiveB {
@Input() value = 'DirB'; @Input() value = 'DirB';
constructor() { log.push(this.value); } constructor() { log.push(this.value); }
} }
@ -48,11 +49,14 @@ describe('di', () => {
class DirectiveA { class DirectiveA {
value = 'DirA'; value = 'DirA';
} }
@Directive({selector: '[dirC]', exportAs: 'dirC'}) @Directive({selector: '[dirC]', exportAs: 'dirC'})
class DirectiveC { class DirectiveC {
value: string; value: string;
constructor(dirA: DirectiveA, dirB: DirectiveB) { this.value = dirA.value + dirB.value; } constructor(dirA: DirectiveA, dirB: DirectiveB) { this.value = dirA.value + dirB.value; }
} }
@Component({ @Component({
template: ` template: `
<div dirA> <div dirA>
@ -62,6 +66,7 @@ describe('di', () => {
}) })
class MyComp { class MyComp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, DirectiveC, MyComp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, DirectiveC, MyComp]});
const fixture = TestBed.createComponent(MyComp); const fixture = TestBed.createComponent(MyComp);
fixture.detectChanges(); fixture.detectChanges();
@ -74,11 +79,14 @@ describe('di', () => {
@Directive({selector: '[dirA]'}) @Directive({selector: '[dirA]'})
class DirectiveA { class DirectiveA {
value = 'dirA'; value = 'dirA';
constructor(dirB: DirectiveB) { log.push(`DirA (dep: ${dirB.value})`); } constructor(dirB: DirectiveB) { log.push(`DirA (dep: ${dirB.value})`); }
} }
@Component({template: '<div dirA dirB></div>'}) @Component({template: '<div dirA dirB></div>'})
class MyComp { class MyComp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]});
const fixture = TestBed.createComponent(MyComp); const fixture = TestBed.createComponent(MyComp);
fixture.detectChanges(); fixture.detectChanges();
@ -90,14 +98,17 @@ describe('di', () => {
@Directive({selector: '[dirA]'}) @Directive({selector: '[dirA]'})
class DirectiveA { class DirectiveA {
value = 'dirA'; value = 'dirA';
constructor(dirB: DirectiveB) { log.push(`DirA (dep: ${dirB.value})`); } constructor(dirB: DirectiveB) { log.push(`DirA (dep: ${dirB.value})`); }
} }
// - dirB is know to the node injectors // - dirB is know to the node injectors
// - then when dirA tries to inject dirB, it will check the node injector first tree // - then when dirA tries to inject dirB, it will check the node injector first tree
// - if not found, it will check the module injector tree // - if not found, it will check the module injector tree
@Component({template: '<div dirB></div><div dirA></div>'}) @Component({template: '<div dirB></div><div dirA></div>'})
class MyComp { class MyComp {
} }
TestBed.configureTestingModule({ TestBed.configureTestingModule({
declarations: [DirectiveA, DirectiveB, MyComp], declarations: [DirectiveA, DirectiveB, MyComp],
providers: [{provide: DirectiveB, useValue: {value: 'module'}}] providers: [{provide: DirectiveB, useValue: {value: 'module'}}]
@ -113,9 +124,11 @@ describe('di', () => {
class MyComp { class MyComp {
constructor(dirB: DirectiveB) { log.push(`Comp (dep: ${dirB.value})`); } constructor(dirB: DirectiveB) { log.push(`Comp (dep: ${dirB.value})`); }
} }
@Component({template: '<my-comp dirB></my-comp>'}) @Component({template: '<my-comp dirB></my-comp>'})
class MyApp { class MyApp {
} }
TestBed.configureTestingModule({declarations: [DirectiveB, MyComp, MyApp]}); TestBed.configureTestingModule({declarations: [DirectiveB, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp); const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges(); fixture.detectChanges();
@ -128,10 +141,12 @@ describe('di', () => {
class DirectiveA { class DirectiveA {
constructor(dir: DirectiveB) { log.push(`DirA (dep: ${dir.value})`); } constructor(dir: DirectiveB) { log.push(`DirA (dep: ${dir.value})`); }
} }
@Component({template: '<div dirA dirB *ngFor="let i of array"></div>'}) @Component({template: '<div dirA dirB *ngFor="let i of array"></div>'})
class MyComp { class MyComp {
array = [1, 2, 3]; array = [1, 2, 3];
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]});
const fixture = TestBed.createComponent(MyComp); const fixture = TestBed.createComponent(MyComp);
fixture.detectChanges(); fixture.detectChanges();
@ -144,22 +159,28 @@ describe('di', () => {
@Directive({selector: '[dirA]'}) @Directive({selector: '[dirA]'})
class DirectiveA { class DirectiveA {
value = 'DirA'; value = 'DirA';
constructor() { log.push(this.value); } constructor() { log.push(this.value); }
} }
@Directive({selector: '[dirC]'}) @Directive({selector: '[dirC]'})
class DirectiveC { class DirectiveC {
value = 'DirC'; value = 'DirC';
constructor() { log.push(this.value); } constructor() { log.push(this.value); }
} }
@Directive({selector: '[dirB]'}) @Directive({selector: '[dirB]'})
class DirectiveB { class DirectiveB {
constructor(dirA: DirectiveA, dirC: DirectiveC) { constructor(dirA: DirectiveA, dirC: DirectiveC) {
log.push(`DirB (deps: ${dirA.value} and ${dirC.value})`); log.push(`DirB (deps: ${dirA.value} and ${dirC.value})`);
} }
} }
@Component({template: '<div dirA dirB dirC></div>'}) @Component({template: '<div dirA dirB dirC></div>'})
class MyComp { class MyComp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, DirectiveC, MyComp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, DirectiveC, MyComp]});
const fixture = TestBed.createComponent(MyComp); const fixture = TestBed.createComponent(MyComp);
fixture.detectChanges(); fixture.detectChanges();
@ -171,25 +192,33 @@ describe('di', () => {
@Directive({selector: '[dirC]'}) @Directive({selector: '[dirC]'})
class DirectiveC { class DirectiveC {
value = 'DirC'; value = 'DirC';
constructor(dirB: DirectiveB) { log.push(`DirC (dep: ${dirB.value})`); } constructor(dirB: DirectiveB) { log.push(`DirC (dep: ${dirB.value})`); }
} }
@Directive({selector: '[dirA]'}) @Directive({selector: '[dirA]'})
class DirectiveA { class DirectiveA {
value = 'DirA'; value = 'DirA';
constructor(dirC: DirectiveC) { log.push(`DirA (dep: ${dirC.value})`); } constructor(dirC: DirectiveC) { log.push(`DirA (dep: ${dirC.value})`); }
} }
@Directive({selector: '[dirD]'}) @Directive({selector: '[dirD]'})
class DirectiveD { class DirectiveD {
value = 'DirD'; value = 'DirD';
constructor(dirA: DirectiveA) { log.push(`DirD (dep: ${dirA.value})`); } constructor(dirA: DirectiveA) { log.push(`DirD (dep: ${dirA.value})`); }
} }
@Component({selector: 'my-comp', template: ''}) @Component({selector: 'my-comp', template: ''})
class MyComp { class MyComp {
constructor(dirD: DirectiveD) { log.push(`Comp (dep: ${dirD.value})`); } constructor(dirD: DirectiveD) { log.push(`Comp (dep: ${dirD.value})`); }
} }
@Component({template: '<my-comp dirA dirB dirC dirD></my-comp>'}) @Component({template: '<my-comp dirA dirB dirC dirD></my-comp>'})
class MyApp { class MyApp {
} }
TestBed.configureTestingModule( TestBed.configureTestingModule(
{declarations: [DirectiveA, DirectiveB, DirectiveC, DirectiveD, MyComp, MyApp]}); {declarations: [DirectiveA, DirectiveB, DirectiveC, DirectiveD, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp); const fixture = TestBed.createComponent(MyApp);
@ -204,12 +233,14 @@ describe('di', () => {
class MyApp { class MyApp {
value = 'App'; value = 'App';
} }
@Directive({selector: '[dirA]'}) @Directive({selector: '[dirA]'})
class DirectiveA { class DirectiveA {
constructor(dirB: DirectiveB, app: MyApp) { constructor(dirB: DirectiveB, app: MyApp) {
log.push(`DirA (deps: ${dirB.value} and ${app.value})`); log.push(`DirA (deps: ${dirB.value} and ${app.value})`);
} }
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyApp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyApp]});
const fixture = TestBed.createComponent(MyApp); const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges(); fixture.detectChanges();
@ -219,24 +250,30 @@ describe('di', () => {
it('should not use a parent when peer dep is available', () => { it('should not use a parent when peer dep is available', () => {
let count = 1; let count = 1;
@Directive({selector: '[dirB]'}) @Directive({selector: '[dirB]'})
class DirectiveB { class DirectiveB {
count: number; count: number;
constructor() { constructor() {
log.push(`DirB`); log.push(`DirB`);
this.count = count++; this.count = count++;
} }
} }
@Directive({selector: '[dirA]'}) @Directive({selector: '[dirA]'})
class DirectiveA { class DirectiveA {
constructor(dirB: DirectiveB) { log.push(`DirA (dep: DirB - ${dirB.count})`); } constructor(dirB: DirectiveB) { log.push(`DirA (dep: DirB - ${dirB.count})`); }
} }
@Component({selector: 'my-comp', template: '<div dirA dirB></div>'}) @Component({selector: 'my-comp', template: '<div dirA dirB></div>'})
class MyComp { class MyComp {
} }
@Component({template: '<my-comp dirB></my-comp>'}) @Component({template: '<my-comp dirB></my-comp>'})
class MyApp { class MyApp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp, MyApp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp); const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges(); fixture.detectChanges();
@ -249,6 +286,7 @@ describe('di', () => {
@Directive({selector: '[dirA]', exportAs: 'dirA'}) @Directive({selector: '[dirA]', exportAs: 'dirA'})
class DirectiveA { class DirectiveA {
injector: Injector; injector: Injector;
constructor(public dirB: DirectiveB, public vcr: ViewContainerRef) { constructor(public dirB: DirectiveB, public vcr: ViewContainerRef) {
this.injector = vcr.injector; this.injector = vcr.injector;
} }
@ -263,6 +301,7 @@ describe('di', () => {
@Component({template: '<my-comp dirB></my-comp>'}) @Component({template: '<my-comp dirB></my-comp>'})
class MyApp { class MyApp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp, MyApp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp); const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges(); fixture.detectChanges();
@ -282,6 +321,7 @@ describe('di', () => {
class MyApp { class MyApp {
showing = false; showing = false;
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp, MyApp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp); const fixture = TestBed.createComponent(MyApp);
fixture.componentInstance.showing = true; fixture.componentInstance.showing = true;
@ -305,6 +345,7 @@ describe('di', () => {
skipContent = false; skipContent = false;
skipContent2 = false; skipContent2 = false;
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyApp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyApp]});
const fixture = TestBed.createComponent(MyApp); const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges(); fixture.detectChanges();
@ -317,10 +358,12 @@ describe('di', () => {
@Directive({selector: '[structuralDir]'}) @Directive({selector: '[structuralDir]'})
class StructuralDirective { class StructuralDirective {
@Input() tmp !: TemplateRef<any>; @Input() tmp !: TemplateRef<any>;
constructor(public vcr: ViewContainerRef) {} constructor(public vcr: ViewContainerRef) {}
create() { this.vcr.createEmbeddedView(this.tmp); } create() { this.vcr.createEmbeddedView(this.tmp); }
} }
@Component({ @Component({
template: `<div dirB value="declaration"> template: `<div dirB value="declaration">
<ng-template #foo> <ng-template #foo>
@ -336,6 +379,7 @@ describe('di', () => {
class MyComp { class MyComp {
@ViewChild(StructuralDirective) structuralDir !: StructuralDirective; @ViewChild(StructuralDirective) structuralDir !: StructuralDirective;
} }
TestBed.configureTestingModule( TestBed.configureTestingModule(
{declarations: [StructuralDirective, DirectiveA, DirectiveB, MyComp]}); {declarations: [StructuralDirective, DirectiveA, DirectiveB, MyComp]});
const fixture = TestBed.createComponent(MyComp); const fixture = TestBed.createComponent(MyComp);
@ -356,6 +400,7 @@ describe('di', () => {
}) })
class MyApp { class MyApp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp, MyApp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp); const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges(); fixture.detectChanges();
@ -379,6 +424,7 @@ describe('di', () => {
@ViewChild(HostBindingDirective) hostBindingDir !: HostBindingDirective; @ViewChild(HostBindingDirective) hostBindingDir !: HostBindingDirective;
@ViewChild(DirectiveA) dirA !: DirectiveA; @ViewChild(DirectiveA) dirA !: DirectiveA;
} }
TestBed.configureTestingModule( TestBed.configureTestingModule(
{declarations: [DirectiveA, DirectiveB, HostBindingDirective, MyApp]}); {declarations: [DirectiveA, DirectiveB, HostBindingDirective, MyApp]});
const fixture = TestBed.createComponent(MyApp); const fixture = TestBed.createComponent(MyApp);
@ -403,13 +449,16 @@ describe('di', () => {
class DirectiveB { class DirectiveB {
constructor() {} constructor() {}
} }
@Directive({selector: '[dirA]'}) @Directive({selector: '[dirA]'})
class DirectiveA { class DirectiveA {
constructor(siblingDir: DirectiveB) {} constructor(siblingDir: DirectiveB) {}
} }
@Component({template: '<div dirA></div>'}) @Component({template: '<div dirA></div>'})
class MyComp { class MyComp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]});
expect(() => TestBed.createComponent(MyComp)).toThrowError(/No provider for DirectiveB/); expect(() => TestBed.createComponent(MyComp)).toThrowError(/No provider for DirectiveB/);
}); });
@ -419,13 +468,16 @@ describe('di', () => {
class DirectiveB { class DirectiveB {
constructor() {} constructor() {}
} }
@Directive({selector: '[dirA]'}) @Directive({selector: '[dirA]'})
class DirectiveA { class DirectiveA {
constructor(siblingDir: DirectiveB) {} constructor(siblingDir: DirectiveB) {}
} }
@Component({template: '<div dirA></div><div dirB></div>'}) @Component({template: '<div dirA></div><div dirB></div>'})
class MyComp { class MyComp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]});
expect(() => TestBed.createComponent(MyComp)).toThrowError(/No provider for DirectiveB/); expect(() => TestBed.createComponent(MyComp)).toThrowError(/No provider for DirectiveB/);
}); });
@ -436,13 +488,16 @@ describe('di', () => {
class DirectiveB { class DirectiveB {
constructor(@Inject(forwardRef(() => DirectiveA)) siblingDir: DirectiveA) {} constructor(@Inject(forwardRef(() => DirectiveA)) siblingDir: DirectiveA) {}
} }
@Directive({selector: '[dirA]'}) @Directive({selector: '[dirA]'})
class DirectiveA { class DirectiveA {
constructor(siblingDir: DirectiveB) {} constructor(siblingDir: DirectiveB) {}
} }
@Component({template: '<div dirA dirB></div>'}) @Component({template: '<div dirA dirB></div>'})
class MyComp { class MyComp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]});
expect(() => TestBed.createComponent(MyComp)).toThrowError(/Circular dep for/); expect(() => TestBed.createComponent(MyComp)).toThrowError(/Circular dep for/);
}); });
@ -453,12 +508,336 @@ describe('di', () => {
class DirectiveA { class DirectiveA {
constructor(siblingDir: DirectiveA) {} constructor(siblingDir: DirectiveA) {}
} }
@Component({template: '<div dirA></div>'}) @Component({template: '<div dirA></div>'})
class MyComp { class MyComp {
} }
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]}); TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]});
expect(() => TestBed.createComponent(MyComp)).toThrowError(/Circular dep for/); expect(() => TestBed.createComponent(MyComp)).toThrowError(/Circular dep for/);
}); });
describe('flags', () => {
@Directive({selector: '[dirB]'})
class DirectiveB {
@Input('dirB') value = '';
}
describe('Optional', () => {
@Directive({selector: '[dirA]'})
class DirectiveA {
constructor(@Optional() public dirB: DirectiveB) {}
}
it('should not throw if dependency is @Optional (module injector)', () => {
@Component({template: '<div dirA></div>'})
class MyComp {
@ViewChild(DirectiveA) dirA !: DirectiveA;
}
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]});
const fixture = TestBed.createComponent(MyComp);
fixture.detectChanges();
const dirA = fixture.componentInstance.dirA;
expect(dirA.dirB).toBeNull();
});
it('should return null if @Optional dependency has @Self flag', () => {
@Directive({selector: '[dirC]'})
class DirectiveC {
constructor(@Optional() @Self() public dirB: DirectiveB) {}
}
@Component({template: '<div dirC></div>'})
class MyComp {
@ViewChild(DirectiveC) dirC !: DirectiveC;
}
TestBed.configureTestingModule({declarations: [DirectiveC, MyComp]});
const fixture = TestBed.createComponent(MyComp);
fixture.detectChanges();
const dirC = fixture.componentInstance.dirC;
expect(dirC.dirB).toBeNull();
});
it('should not throw if dependency is @Optional but defined elsewhere', () => {
@Directive({selector: '[dirC]'})
class DirectiveC {
constructor(@Optional() public dirB: DirectiveB) {}
}
@Component({template: '<div dirB></div><div dirC></div>'})
class MyComp {
@ViewChild(DirectiveC) dirC !: DirectiveC;
}
TestBed.configureTestingModule({declarations: [DirectiveB, DirectiveC, MyComp]});
const fixture = TestBed.createComponent(MyComp);
fixture.detectChanges();
const dirC = fixture.componentInstance.dirC;
expect(dirC.dirB).toBeNull();
});
});
it('should skip the current node with @SkipSelf', () => {
@Directive({selector: '[dirA]'})
class DirectiveA {
constructor(@SkipSelf() public dirB: DirectiveB) {}
}
@Component({selector: 'my-comp', template: '<div dirA dirB="self"></div>'})
class MyComp {
@ViewChild(DirectiveA) dirA !: DirectiveA;
}
@Component({template: '<my-comp dirB="parent"></my-comp>'})
class MyApp {
@ViewChild(MyComp) myComp !: MyComp;
}
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges();
const dirA = fixture.componentInstance.myComp.dirA;
expect(dirA.dirB.value).toEqual('parent');
});
onlyInIvy('Ivy has different error message when dependency is not found')
.it('should check only the current node with @Self', () => {
@Directive({selector: '[dirA]'})
class DirectiveA {
constructor(@Self() public dirB: DirectiveB) {}
}
@Component({template: '<div dirB><div dirA></div></div>'})
class MyComp {
}
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyComp]});
expect(() => TestBed.createComponent(MyComp))
.toThrowError(/NodeInjector: NOT_FOUND \[DirectiveB]/);
});
describe('@Host', () => {
@Directive({selector: '[dirA]'})
class DirectiveA {
constructor(@Host() public dirB: DirectiveB) {}
}
@Directive({selector: '[dirString]'})
class DirectiveString {
constructor(@Host() public s: String) {}
}
it('should find viewProviders on the host itself', () => {
@Component({
selector: 'my-comp',
template: '<div dirString></div>',
viewProviders: [{provide: String, useValue: 'Foo'}]
})
class MyComp {
@ViewChild(DirectiveString) dirString !: DirectiveString;
}
@Component({template: '<my-comp></my-comp>'})
class MyApp {
@ViewChild(MyComp) myComp !: MyComp;
}
TestBed.configureTestingModule({declarations: [DirectiveString, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges();
const dirString = fixture.componentInstance.myComp.dirString;
expect(dirString.s).toBe('Foo');
});
it('should find host component on the host itself', () => {
@Directive({selector: '[dirComp]'})
class DirectiveComp {
constructor(@Inject(forwardRef(() => MyComp)) @Host() public comp: MyComp) {}
}
@Component({selector: 'my-comp', template: '<div dirComp></div>'})
class MyComp {
@ViewChild(DirectiveComp) dirComp !: DirectiveComp;
}
@Component({template: '<my-comp></my-comp>'})
class MyApp {
@ViewChild(MyComp) myComp !: MyComp;
}
TestBed.configureTestingModule({declarations: [DirectiveComp, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges();
const myComp = fixture.componentInstance.myComp;
const dirComp = myComp.dirComp;
expect(dirComp.comp).toBe(myComp);
});
onlyInIvy('Ivy has different error message when dependency is not found')
.it('should not find providers on the host itself', () => {
@Component({
selector: 'my-comp',
template: '<div dirString></div>',
providers: [{provide: String, useValue: 'Foo'}]
})
class MyComp {
}
@Component({template: '<my-comp></my-comp>'})
class MyApp {
}
TestBed.configureTestingModule({declarations: [DirectiveString, MyComp, MyApp]});
expect(() => TestBed.createComponent(MyApp))
.toThrowError(/NodeInjector: NOT_FOUND \[String]/);
});
onlyInIvy('Ivy has different error message when dependency is not found')
.it('should not find other directives on the host itself', () => {
@Component({selector: 'my-comp', template: '<div dirA></div>'})
class MyComp {
}
@Component({template: '<my-comp dirB></my-comp>'})
class MyApp {
}
TestBed.configureTestingModule(
{declarations: [DirectiveA, DirectiveB, MyComp, MyApp]});
expect(() => TestBed.createComponent(MyApp))
.toThrowError(/NodeInjector: NOT_FOUND \[DirectiveB]/);
});
onlyInIvy('Ivy has different error message when dependency is not found')
.it('should not find providers on the host itself if in inline view', () => {
@Component({
selector: 'my-comp',
template: '<ng-container *ngIf="showing"><div dirA></div></ng-container>'
})
class MyComp {
showing = false;
}
@Component({template: '<my-comp dirB></my-comp>'})
class MyApp {
@ViewChild(MyComp) myComp !: MyComp;
}
TestBed.configureTestingModule(
{declarations: [DirectiveA, DirectiveB, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges();
expect(() => {
fixture.componentInstance.myComp.showing = true;
fixture.detectChanges();
}).toThrowError(/NodeInjector: NOT_FOUND \[DirectiveB]/);
});
it('should find providers across embedded views if not passing component boundary', () => {
@Component({template: '<div dirB><div *ngIf="showing" dirA></div></div>'})
class MyApp {
showing = false;
@ViewChild(DirectiveA) dirA !: DirectiveA;
@ViewChild(DirectiveB) dirB !: DirectiveB;
}
TestBed.configureTestingModule({declarations: [DirectiveA, DirectiveB, MyApp]});
const fixture = TestBed.createComponent(MyApp);
fixture.detectChanges();
fixture.componentInstance.showing = true;
fixture.detectChanges();
const dirA = fixture.componentInstance.dirA;
const dirB = fixture.componentInstance.dirB;
expect(dirA.dirB).toBe(dirB);
});
onlyInIvy('Ivy has different error message when dependency is not found')
.it('should not find component above the host', () => {
@Directive({selector: '[dirComp]'})
class DirectiveComp {
constructor(@Inject(forwardRef(() => MyApp)) @Host() public comp: MyApp) {}
}
@Component({selector: 'my-comp', template: '<div dirComp></div>'})
class MyComp {
}
@Component({template: '<my-comp></my-comp>'})
class MyApp {
}
TestBed.configureTestingModule({declarations: [DirectiveComp, MyComp, MyApp]});
expect(() => TestBed.createComponent(MyApp))
.toThrowError(/NodeInjector: NOT_FOUND \[MyApp]/);
});
describe('regression', () => {
// based on https://stackblitz.com/edit/angular-riss8k?file=src/app/app.component.ts
it('should allow directives with Host flag to inject view providers from containing component',
() => {
class ControlContainer {}
let controlContainers: ControlContainer[] = [];
let injectedControlContainer: ControlContainer|null = null;
@Directive({
selector: '[group]',
providers: [{provide: ControlContainer, useExisting: GroupDirective}]
})
class GroupDirective {
constructor() { controlContainers.push(this); }
}
@Directive({selector: '[control]'})
class ControlDirective {
constructor(@Host() @SkipSelf() @Inject(ControlContainer) parent:
ControlContainer) {
injectedControlContainer = parent;
}
}
@Component({
selector: 'my-comp',
template: '<input control>',
viewProviders: [{provide: ControlContainer, useExisting: GroupDirective}]
})
class MyComp {
}
@Component({
template: `
<div group>
<my-comp></my-comp>
</div>
`
})
class MyApp {
}
TestBed.configureTestingModule(
{declarations: [GroupDirective, ControlDirective, MyComp, MyApp]});
const fixture = TestBed.createComponent(MyApp);
expect(fixture.nativeElement.innerHTML)
.toBe('<div group=""><my-comp><input control=""></my-comp></div>');
expect(controlContainers).toEqual([injectedControlContainer !]);
});
});
});
});
}); });
describe('service injection', () => { describe('service injection', () => {

View File

@ -6,22 +6,20 @@
* found in the LICENSE file at https://angular.io/license * found in the LICENSE file at https://angular.io/license
*/ */
import {ChangeDetectorRef, Host, Inject, InjectFlags, Injector, Optional, Renderer2, Self, SkipSelf, ViewContainerRef, ɵɵdefineInjector} from '@angular/core'; import {ChangeDetectorRef, Host, InjectFlags, Injector, Optional, Renderer2, Self, ViewContainerRef} from '@angular/core';
import {createLView, createNodeAtIndex, createTView} from '@angular/core/src/render3/instructions/shared'; import {createLView, createNodeAtIndex, createTView} from '@angular/core/src/render3/instructions/shared';
import {ComponentType, RenderFlags} from '@angular/core/src/render3/interfaces/definition'; import {RenderFlags} from '@angular/core/src/render3/interfaces/definition';
import {createInjector} from '../../src/di/r3_injector';
import {ɵɵdefineComponent} from '../../src/render3/definition'; import {ɵɵdefineComponent} from '../../src/render3/definition';
import {bloomAdd, bloomHasToken, bloomHashBitOrFactory as bloomHash, getOrCreateNodeInjectorForNode} from '../../src/render3/di'; import {bloomAdd, bloomHasToken, bloomHashBitOrFactory as bloomHash, getOrCreateNodeInjectorForNode} from '../../src/render3/di';
import {ɵɵProvidersFeature, ɵɵbind, ɵɵcontainer, ɵɵcontainerRefreshEnd, ɵɵcontainerRefreshStart, ɵɵdefineDirective, ɵɵdirectiveInject, ɵɵelement, ɵɵelementEnd, ɵɵelementProperty, ɵɵelementStart, ɵɵembeddedViewEnd, ɵɵembeddedViewStart, ɵɵinterpolation2, ɵɵprojection, ɵɵprojectionDef, ɵɵreference, ɵɵtemplate, ɵɵtext, ɵɵtextBinding} from '../../src/render3/index'; import {ɵɵbind, ɵɵcontainer, ɵɵcontainerRefreshEnd, ɵɵcontainerRefreshStart, ɵɵdefineDirective, ɵɵdirectiveInject, ɵɵelement, ɵɵelementEnd, ɵɵelementStart, ɵɵembeddedViewEnd, ɵɵembeddedViewStart, ɵɵinterpolation2, ɵɵprojection, ɵɵprojectionDef, ɵɵreference, ɵɵtext, ɵɵtextBinding} from '../../src/render3/index';
import {TNODE} from '../../src/render3/interfaces/injector'; import {TNODE} from '../../src/render3/interfaces/injector';
import {AttributeMarker, TNodeType} from '../../src/render3/interfaces/node'; import {TNodeType} from '../../src/render3/interfaces/node';
import {isProceduralRenderer} from '../../src/render3/interfaces/renderer'; import {isProceduralRenderer} from '../../src/render3/interfaces/renderer';
import {LViewFlags} from '../../src/render3/interfaces/view'; import {LViewFlags} from '../../src/render3/interfaces/view';
import {enterView, leaveView} from '../../src/render3/state'; import {enterView, leaveView} from '../../src/render3/state';
import {ViewRef} from '../../src/render3/view_ref'; import {ViewRef} from '../../src/render3/view_ref';
import {NgIf} from './common_with_def';
import {getRendererFactory2} from './imported_renderer2'; import {getRendererFactory2} from './imported_renderer2';
import {ComponentFixture, createComponent, createDirective, getDirectiveOnNode, renderComponent, toHtml} from './render_util'; import {ComponentFixture, createComponent, createDirective, getDirectiveOnNode, renderComponent, toHtml} from './render_util';
@ -207,142 +205,6 @@ describe('di', () => {
expect(() => { new ComponentFixture(App); }).not.toThrow(); expect(() => { new ComponentFixture(App); }).not.toThrow();
expect(dirA !.dirB).toEqual(null); expect(dirA !.dirB).toEqual(null);
}); });
it('should not throw if dependency is @Optional (module injector)', () => {
class SomeModule {
static ngInjectorDef = ɵɵdefineInjector({factory: () => new SomeModule()});
}
/** <div dirA></div> */
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirA', '']);
}
}, 1, 0, [DirA, DirB]);
expect(() => {
const injector = createInjector(SomeModule);
new ComponentFixture(App, {injector});
}).not.toThrow();
expect(dirA !.dirB).toEqual(null);
});
it('should return null if @Optional dependency has @Self flag', () => {
let dirC !: DirC;
class DirC {
constructor(@Optional() @Self() public dirB: DirB|null) {}
static ngDirectiveDef = ɵɵdefineDirective({
type: DirC,
selectors: [['', 'dirC', '']],
factory: () => dirC =
new DirC(ɵɵdirectiveInject(DirB, InjectFlags.Optional|InjectFlags.Self))
});
}
/** <div dirC></div> */
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirC', '']);
}
}, 1, 0, [DirC, DirB]);
expect(() => { new ComponentFixture(App); }).not.toThrow();
expect(dirC !.dirB).toEqual(null);
});
it('should not throw if dependency is @Optional but defined elsewhere', () => {
let dirA: DirA;
class DirA {
constructor(@Optional() public dirB: DirB|null) {}
static ngDirectiveDef = ɵɵdefineDirective({
type: DirA,
selectors: [['', 'dirA', '']],
factory: () => dirA = new DirA(ɵɵdirectiveInject(DirB, InjectFlags.Optional))
});
}
/**
* <div dirB></div>
* <div dirA></div>
*/
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirB', '']);
ɵɵelement(1, 'div', ['dirA', '']);
}
}, 2, 0, [DirA, DirB]);
expect(() => {
new ComponentFixture(App);
expect(dirA !.dirB).toEqual(null);
}).not.toThrow();
});
});
it('should skip the current node with @SkipSelf', () => {
let dirA: DirA;
class DirA {
constructor(@SkipSelf() public dirB: DirB) {}
static ngDirectiveDef = ɵɵdefineDirective({
type: DirA,
selectors: [['', 'dirA', '']],
factory: () => dirA = new DirA(ɵɵdirectiveInject(DirB, InjectFlags.SkipSelf))
});
}
/** <div dirA dirB="self"></div> */
const Comp = createComponent('comp', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirA', '', 'dirB', 'self']);
}
}, 1, 0, [DirA, DirB]);
/* <comp dirB="parent"></comp> */
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'comp', ['dirB', 'parent']);
}
}, 1, 0, [Comp, DirB]);
new ComponentFixture(App);
expect(dirA !.dirB.value).toEqual('parent');
});
it('should check only the current node with @Self', () => {
let dirA: DirA;
class DirA {
constructor(@Self() public dirB: DirB) {}
static ngDirectiveDef = ɵɵdefineDirective({
type: DirA,
selectors: [['', 'dirA', '']],
factory: () => dirA = new DirA(ɵɵdirectiveInject(DirB, InjectFlags.Self))
});
}
/**
* <div dirB>
* <div dirA></div>
* </div>
*/
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelementStart(0, 'div', ['dirB', '']);
ɵɵelement(1, 'div', ['dirA', '']);
ɵɵelementEnd();
}
}, 2, 0, [DirA, DirB]);
expect(() => {
new ComponentFixture(App);
}).toThrowError(/NodeInjector: NOT_FOUND \[DirB\]/);
}); });
it('should check only the current node with @Self even with false positive', () => { it('should check only the current node with @Self even with false positive', () => {
@ -382,12 +244,8 @@ describe('di', () => {
describe('@Host', () => { describe('@Host', () => {
let dirA: DirA|null = null; let dirA: DirA|null = null;
let dirString: DirString|null = null;
beforeEach(() => { beforeEach(() => { dirA = null; });
dirA = null;
dirString = null;
});
class DirA { class DirA {
constructor(@Host() public dirB: DirB) {} constructor(@Host() public dirB: DirB) {}
@ -399,106 +257,10 @@ describe('di', () => {
}); });
} }
class DirString { /**
constructor(@Host() public s: String) {} * This test needs to be moved to acceptance/di_spec.ts
* when Ivy compiler supports inline views.
static ngDirectiveDef = ɵɵdefineDirective({ */
type: DirString,
selectors: [['', 'dirString', '']],
factory: () => dirString = new DirString(ɵɵdirectiveInject(String, InjectFlags.Host))
});
}
it('should find viewProviders on the host itself', () => {
/** <div dirString></div> */
const Comp = createComponent('comp', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirString', '']);
}
}, 1, 0, [DirString], [], null, [], [{provide: String, useValue: 'Foo'}]);
/* <comp></comp> */
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'comp');
}
}, 1, 0, [Comp]);
new ComponentFixture(App);
expect(dirString !.s).toEqual('Foo');
});
it('should find host component on the host itself', () => {
let dirComp: DirComp|null = null;
class DirComp {
constructor(@Host() public comp: any) {}
static ngDirectiveDef = ɵɵdefineDirective({
type: DirComp,
selectors: [['', 'dirCmp', '']],
factory: () => dirComp = new DirComp(ɵɵdirectiveInject(Comp, InjectFlags.Host))
});
}
/** <div dirCmp></div> */
const Comp = createComponent('comp', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirCmp', '']);
}
}, 1, 0, [DirComp]);
/* <comp></comp> */
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'comp');
}
}, 1, 0, [Comp]);
new ComponentFixture(App);
expect(dirComp !.comp instanceof Comp).toBeTruthy();
});
it('should not find providers on the host itself', () => {
/** <div dirString></div> */
const Comp = createComponent('comp', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirString', '']);
}
}, 1, 0, [DirString], [], null, [{provide: String, useValue: 'Foo'}]);
/* <comp></comp> */
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'comp');
}
}, 1, 0, [Comp]);
expect(() => {
new ComponentFixture(App);
}).toThrowError(/NodeInjector: NOT_FOUND \[String\]/);
});
it('should not find other directives on the host itself', () => {
/** <div dirA></div> */
const Comp = createComponent('comp', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirA', '']);
}
}, 1, 0, [DirA]);
/* <comp dirB></comp> */
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'comp', ['dirB', '']);
}
}, 1, 0, [Comp, DirB]);
expect(() => {
new ComponentFixture(App);
}).toThrowError(/NodeInjector: NOT_FOUND \[DirB\]/);
});
it('should not find providers on the host itself if in inline view', () => { it('should not find providers on the host itself if in inline view', () => {
let comp !: any; let comp !: any;
@ -542,192 +304,6 @@ describe('di', () => {
fixture.update(); fixture.update();
}).toThrowError(/NodeInjector: NOT_FOUND \[DirB\]/); }).toThrowError(/NodeInjector: NOT_FOUND \[DirB\]/);
}); });
it('should find providers across embedded views if not passing component boundary', () => {
let dirB !: DirB;
function IfTemplate(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirA', '']);
}
}
/**
* <div dirB>
* <div *ngIf="showing" dirA></div>
* </div>
*/
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelementStart(0, 'div', ['dirB', '']);
{
ɵɵtemplate(
1, IfTemplate, 1, 0, 'div', ['dirA', '', AttributeMarker.Template, 'ngIf']);
}
ɵɵelementEnd();
}
if (rf & RenderFlags.Update) {
ɵɵelementProperty(1, 'ngIf', ɵɵbind(ctx.showing));
// testing only
dirB = getDirectiveOnNode(0);
}
}, 2, 1, [NgIf, DirA, DirB]);
const fixture = new ComponentFixture(App);
fixture.component.showing = true;
fixture.update();
expect(dirA !.dirB).toEqual(dirB);
});
it('should not find component above the host', () => {
let dirComp: DirComp|null = null;
class DirComp {
constructor(@Host() public comp: any) {}
static ngDirectiveDef = ɵɵdefineDirective({
type: DirComp,
selectors: [['', 'dirCmp', '']],
factory: () => dirComp = new DirComp(ɵɵdirectiveInject(App, InjectFlags.Host))
});
}
/** <div dirCmp></div> */
const Comp = createComponent('comp', function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'div', ['dirCmp', '']);
}
}, 1, 0, [DirComp]);
/* <comp></comp> */
class App {
static ngComponentDef = ɵɵdefineComponent({
type: App,
selectors: [['app']],
consts: 1,
vars: 0,
factory: () => new App,
template: function(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'comp');
}
},
directives: [Comp],
});
}
expect(() => {
new ComponentFixture(App);
}).toThrowError(/NodeInjector: NOT_FOUND \[App\]/);
});
describe('regression', () => {
// based on https://stackblitz.com/edit/angular-riss8k?file=src/app/app.component.ts
it('should allow directives with Host flag to inject view providers from containing component',
() => {
let controlContainers: ControlContainer[] = [];
let injectedControlContainer: ControlContainer|null = null;
class ControlContainer {}
/*
@Directive({
selector: '[group]',
providers: [{provide: ControlContainer, useExisting: GroupDirective}]
})
*/
class GroupDirective {
constructor() { controlContainers.push(this); }
static ngDirectiveDef = ɵɵdefineDirective({
type: GroupDirective,
selectors: [['', 'group', '']],
factory: () => new GroupDirective(),
features: [ɵɵProvidersFeature(
[{provide: ControlContainer, useExisting: GroupDirective}])],
});
}
// @Directive({selector: '[controlName]'})
class ControlNameDirective {
constructor(@Host() @SkipSelf() @Inject(ControlContainer) parent:
ControlContainer) {
injectedControlContainer = parent;
}
static ngDirectiveDef = ɵɵdefineDirective({
type: ControlNameDirective,
selectors: [['', 'controlName', '']],
factory: () => new ControlNameDirective(ɵɵdirectiveInject(
ControlContainer, InjectFlags.Host|InjectFlags.SkipSelf))
});
}
/*
@Component({
selector: 'child',
template: `
<input controlName type="text">
`,
viewProviders: [{provide: ControlContainer, useExisting: GroupDirective}]
})
*/
class ChildComponent {
static ngComponentDef = ɵɵdefineComponent({
type: ChildComponent,
selectors: [['child']],
consts: 1,
vars: 0,
factory: () => new ChildComponent(),
template: function(rf: RenderFlags, ctx: ChildComponent) {
if (rf & RenderFlags.Create) {
ɵɵelement(0, 'input', ['controlName', '', 'type', 'text']);
}
},
directives: [ControlNameDirective],
features: [ɵɵProvidersFeature(
[], [{provide: ControlContainer, useExisting: GroupDirective}])],
});
}
/*
@Component({
selector: 'my-app',
template: `
<div group>
<child></child>
</div>
`
})
*/
class AppComponent {
static ngComponentDef = ɵɵdefineComponent({
type: AppComponent,
selectors: [['my-app']],
consts: 2,
vars: 0,
factory: () => new AppComponent(),
template: function(rf: RenderFlags, ctx: AppComponent) {
if (rf & RenderFlags.Create) {
ɵɵelementStart(0, 'div', ['group', '']);
ɵɵelement(1, 'child');
ɵɵelementEnd();
}
},
directives: [ChildComponent, GroupDirective]
});
}
const fixture = new ComponentFixture(AppComponent as ComponentType<AppComponent>);
expect(fixture.html)
.toEqual(
'<div group=""><child><input controlname="" type="text"></child></div>');
expect(controlContainers).toEqual([injectedControlContainer !]);
});
});
}); });
}); });
}); });
@ -781,7 +357,7 @@ describe('di', () => {
}); });
} }
const directives = [MyComp, Directive, DirectiveSameInstance, NgIf]; const directives = [MyComp, Directive, DirectiveSameInstance];
/** /**
* This test needs to be moved to acceptance/di_spec.ts * This test needs to be moved to acceptance/di_spec.ts