angular-docs-cn/packages/compiler-cli/test/compliance/r3_view_compiler_directives...

416 lines
14 KiB
TypeScript

/**
* @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 {AttributeMarker} from '@angular/compiler/src/core';
import {setup} from '@angular/compiler/test/aot/test_util';
import {compile, expectEmit} from './mock_compile';
describe('compiler compliance: directives', () => {
const angularFiles = setup({
compileAngular: false,
compileAnimations: false,
compileFakeCore: true,
});
describe('matching', () => {
it('should not match directives on i18n attribute', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule} from '@angular/core';
@Directive({selector: '[i18n]'})
export class I18nDirective {}
@Component({selector: 'my-component', template: '<div i18n></div>'})
export class MyComponent {}
@NgModule({declarations: [I18nDirective, MyComponent]})
export class MyModule{}`
}
};
// MyComponent definition should be:
const MyComponentDefinition = `
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); },
consts: 1,
vars: 0,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "div");
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
});
it('should not match directives on i18n-prefixed attributes', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule} from '@angular/core';
@Directive({selector: '[i18n]'})
export class I18nDirective {}
@Directive({selector: '[i18n-foo]'})
export class I18nFooDirective {}
@Directive({selector: '[foo]'})
export class FooDirective {}
@Component({selector: 'my-component', template: '<div i18n-foo></div>'})
export class MyComponent {}
@NgModule({declarations: [I18nDirective, I18nFooDirective, FooDirective, MyComponent]})
export class MyModule{}`
}
};
// MyComponent definition should be:
const MyComponentDefinition = `
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); },
consts: 1,
vars: 0,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "div");
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
});
it('should match directives on element bindings', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, Input, NgModule} from '@angular/core';
@Directive({selector: '[someDirective]'})
export class SomeDirective {
@Input() someDirective;
}
@Component({selector: 'my-component', template: '<div [someDirective]="true"></div>'})
export class MyComponent {}
@NgModule({declarations: [SomeDirective, MyComponent]})
export class MyModule{}
`
}
};
// MyComponent definition should be:
const MyComponentDefinition = `
const _c0 = [${AttributeMarker.Bindings}, "someDirective"];
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "div", _c0);
}
if (rf & 2) {
$r3$.ɵelementProperty(0, "someDirective", $r3$.ɵbind(true));
}
},
directives: [SomeDirective],
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
});
it('should match directives on ng-templates', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule, TemplateRef} from '@angular/core';
@Directive({
selector: 'ng-template[directiveA]'
})
export class DirectiveA {
constructor(public templateRef: TemplateRef<any>) {}
}
@Component({
selector: 'my-component',
template: \`
<ng-template directiveA>Some content</ng-template>
\`
})
export class MyComponent {}
@NgModule({declarations: [DirectiveA, MyComponent]})
export class MyModule{}
`
}
};
const MyComponentDefinition = `
const $_c0$ = ["directiveA", ""];
function MyComponent_ng_template_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵtext(0, "Some content");
}
}
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵtemplate(0, MyComponent_ng_template_0_Template, 1, 0, "ng-template", $_c0$);
}
},
directives: [DirectiveA],
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, MyComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
});
it('should match directives on ng-container', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule, TemplateRef} from '@angular/core';
@Directive({
selector: 'ng-container[directiveA]'
})
export class DirectiveA {
constructor(public templateRef: TemplateRef<any>) {}
}
@Component({
selector: 'my-component',
template: \`
<ng-container *ngIf="showing" directiveA>Some content</ng-container>
\`
})
export class MyComponent {}
@NgModule({declarations: [DirectiveA, MyComponent]})
export class MyModule{}
`
}
};
const MyComponentDefinition = `
const $_c0$ = ["directiveA", "", ${AttributeMarker.Template}, "ngIf"];
const $_c1$ = ["directiveA", ""];
function MyComponent_ng_container_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementContainerStart(0, $_c1$);
$r3$.ɵtext(1, "Some content");
$r3$.ɵelementContainerEnd();
}
}
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵtemplate(0, MyComponent_ng_container_0_Template, 2, 0, "ng-container", $_c0$);
}
if (rf & 2) {
$r3$.ɵelementProperty(0, "ngIf", $r3$.ɵbind(ctx.showing));
}
},
directives: [DirectiveA],
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, MyComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
});
it('should match directives on ng-template bindings', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, Input, NgModule} from '@angular/core';
@Directive({selector: '[someDirective]'})
export class SomeDirective {
@Input() someDirective;
}
@Component({selector: 'my-component', template: '<ng-template [someDirective]="true"></ng-template>'})
export class MyComponent {}
@NgModule({declarations: [SomeDirective, MyComponent]})
export class MyModule{}
`
}
};
// MyComponent definition should be:
const MyComponentDefinition = `
const $c0_a0$ = [${AttributeMarker.Bindings}, "someDirective"];
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵtemplate(0, MyComponent_ng_template_0_Template, 0, 0, "ng-template", $c0_a0$);
}
if (rf & 2) {
$r3$.ɵelementProperty(0, "someDirective", $r3$.ɵbind(true));
}
},
directives: [SomeDirective],
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
});
it('should match structural directives', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, Input, NgModule} from '@angular/core';
@Directive({selector: '[someDirective]'})
export class SomeDirective {
@Input() someDirective;
}
@Component({selector: 'my-component', template: '<div *someDirective></div>'})
export class MyComponent {}
@NgModule({declarations: [SomeDirective, MyComponent]})
export class MyModule{}
`
}
};
// MyComponent definition should be:
const MyComponentDefinition = `
const $c0_a0$ = [${AttributeMarker.Template}, "someDirective"];
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵtemplate(0, MyComponent_div_0_Template, 1, 0, "div", $c0_a0$);
}
},
directives: [SomeDirective],
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
});
it('should match directives on element outputs', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, Output, EventEmitter, NgModule} from '@angular/core';
@Directive({selector: '[someDirective]'})
export class SomeDirective {
@Output() someDirective = new EventEmitter();
}
@Component({selector: 'my-component', template: '<div (someDirective)="noop()"></div>'})
export class MyComponent {
noop() {}
}
@NgModule({declarations: [SomeDirective, MyComponent]})
export class MyModule{}
`
}
};
// MyComponent definition should be:
const MyComponentDefinition = `
const $c0_a0$ = [${AttributeMarker.Bindings}, "someDirective"];
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "div", $c0_a0$);
$r3$.ɵlistener("someDirective", function MyComponent_Template_div_someDirective_0_listener($event) { return ctx.noop(); });
$r3$.ɵelementEnd();
}
},
directives: [SomeDirective],
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
});
});
});