angular-docs-cn/packages/compiler-cli/test/compliance/r3_view_compiler_template_s...

368 lines
11 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 {setup} from '@angular/compiler/test/aot/test_util';
import {compile, expectEmit} from './mock_compile';
describe('compiler compliance: template', () => {
const angularFiles = setup({
compileAngular: true,
compileAnimations: false,
compileCommon: true,
});
it('should correctly bind to context in nested template', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {CommonModule} from '@angular/common';
@Component({
selector: 'my-component',
template: \`
<ul *ngFor="let outer of items">
<li *ngFor="let middle of outer.items">
<div *ngFor="let inner of items"
(click)="onClick(outer, middle, inner)"
[title]="format(outer, middle, inner, component)"
>
{{format(outer, middle, inner, component)}}
</div>
</li>
</ul>\`
})
export class MyComponent {
component = this;
format(outer: any, middle: any, inner: any) { }
onClick(outer: any, middle: any, inner: any) { }
}
@NgModule({declarations: [MyComponent], imports: [CommonModule]})
export class MyModule {}
`
}
};
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
const $c0$ = ["ngFor","","ngForOf",""];
function MyComponent_ul_li_div_Template_1(rf, ctx) {
if (rf & 1) {
const $s$ = $i0$.ɵgV();
$i0$.ɵE(0, "div");
$i0$.ɵL("click", function MyComponent_ul_li_div_Template_1_div_click_listener($event){
$i0$.ɵrV($s$);
const $inner$ = ctx.$implicit;
const $middle$ = $i0$.ɵx().$implicit;
const $outer$ = $i0$.ɵx().$implicit;
const $myComp$ = $i0$.ɵx();
return $myComp$.onClick($outer$, $middle$, $inner$);
});
$i0$.ɵT(1);
$i0$.ɵe();
}
if (rf & 2) {
const $inner1$ = ctx.$implicit;
const $middle1$ = $i0$.ɵx().$implicit;
const $outer1$ = $i0$.ɵx().$implicit;
const $myComp1$ = $i0$.ɵx();
$i0$.ɵp(0, "title", $i0$.ɵb($myComp1$.format($outer1$, $middle1$, $inner1$, $myComp1$.component)));
$i0$.ɵt(1, $i0$.ɵi1(" ", $myComp1$.format($outer1$, $middle1$, $inner1$, $myComp1$.component), " "));
}
}
function MyComponent_ul_li_Template_1(rf, ctx) {
if (rf & 1) {
$i0$.ɵE(0, "li");
$i0$.ɵC(1, MyComponent_ul_li_div_Template_1, null, _c0);
$i0$.ɵe();
}
if (rf & 2) {
const $myComp2$ = $i0$.ɵx(2);
$i0$.ɵp(1, "ngForOf", $i0$.ɵb($myComp2$.items));
}
}
function MyComponent_ul_Template_0(rf, ctx) {
if (rf & 1) {
$i0$.ɵE(0, "ul");
$i0$.ɵC(1, MyComponent_ul_li_Template_1, null, _c0);
$i0$.ɵe();
}
if (rf & 2) {
const $outer2$ = ctx.$implicit;
$i0$.ɵp(1, "ngForOf", $i0$.ɵb($outer2$.items));
}
}
// ...
template:function MyComponent_Template(rf, ctx){
if (rf & 1) {
$i0$.ɵC(0, MyComponent_ul_Template_0, null, _c0);
}
if (rf & 2) {
$i0$.ɵp(0, "ngForOf", $i0$.ɵb(ctx.items));
}
}`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should support ngFor context variables', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {CommonModule} from '@angular/common';
@Component({
selector: 'my-component',
template: \`
<span *ngFor="let item of items; index as i">
{{ i }} - {{ item }}
</span>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent], imports: [CommonModule]})
export class MyModule {}
`
}
};
const template = `
const $c0$ = ["ngFor", "", "ngForOf", ""];
function MyComponent_span_Template_0(rf, ctx) {
if (rf & 1) {
$i0$.ɵE(0, "span");
$i0$.ɵT(1);
$i0$.ɵe();
}
if (rf & 2) {
const $item$ = ctx.$implicit;
const $i$ = ctx.index;
$i0$.ɵt(1, $i0$.ɵi2(" ", $i$, " - ", $item$, " "));
}
}
// ...
template:function MyComponent_Template(rf, ctx){
if (rf & 1) {
$i0$.ɵC(0, MyComponent_span_Template_0, null, _c0);
}
if (rf & 2) {
$i0$.ɵp(0, "ngForOf", $i0$.ɵb(ctx.items));
}
}`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should support ngFor context variables in parent views', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {CommonModule} from '@angular/common';
@Component({
selector: 'my-component',
template: \`
<div *ngFor="let item of items; index as i">
<span *ngIf="showing">
{{ i }} - {{ item }}
</span>
</div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent], imports: [CommonModule]})
export class MyModule {}
`
}
};
const template = `
const $c0$ = ["ngFor", "", "ngForOf", ""];
const $c1$ = ["ngIf", ""];
function MyComponent_div_span_Template_1(rf, ctx) {
if (rf & 1) {
$i0$.ɵE(0, "span");
$i0$.ɵT(1);
$i0$.ɵe();
}
if (rf & 2) {
const $div$ = $i0$.ɵx();
const $i$ = $div$.index;
const $item$ = $div$.$implicit;
$i0$.ɵt(1, $i0$.ɵi2(" ", $i$, " - ", $item$, " "));
}
}
function MyComponent_div_Template_0(rf, ctx) {
if (rf & 1) {
$i0$.ɵE(0, "div");
$i0$.ɵC(1, MyComponent_div_span_Template_1, null, $c1$);
$i0$.ɵe();
}
if (rf & 2) {
const $app$ = $i0$.ɵx();
$i0$.ɵp(1, "ngIf", $i0$.ɵb($app$.showing));
}
}
// ...
template:function MyComponent_Template(rf, ctx){
if (rf & 1) {
$i0$.ɵC(0, MyComponent_div_Template_0, null, $c0$);
}
if (rf & 2) {
$i0$.ɵp(0, "ngForOf", $i0$.ɵb(ctx.items));
}
}`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should correctly skip contexts as needed', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {CommonModule} from '@angular/common';
@Component({
selector: 'my-component',
template: \`
<div *ngFor="let outer of items">
<div *ngFor="let middle of outer.items">
<div *ngFor="let inner of middle.items">
{{ middle.value }} - {{ name }}
</div>
</div>
</div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent], imports: [CommonModule]})
export class MyModule {}
`
}
};
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
const $c0$ = ["ngFor", "", "ngForOf", ""];
function MyComponent_div_div_div_Template_1(rf, ctx) {
if (rf & 1) {
$i0$.ɵE(0, "div");
$i0$.ɵT(1);
$i0$.ɵe();
}
if (rf & 2) {
const $middle$ = $i0$.ɵx().$implicit;
const $myComp$ = $i0$.ɵx(2);
$i0$.ɵt(1, $i0$.ɵi2(" ", $middle$.value, " - ", $myComp$.name, " "));
}
}
function MyComponent_div_div_Template_1(rf, ctx) {
if (rf & 1) {
$i0$.ɵE(0, "div");
$i0$.ɵC(1, MyComponent_div_div_div_Template_1, null, _c0);
$i0$.ɵe();
}
if (rf & 2) {
const $middle$ = ctx.$implicit;
$i0$.ɵp(1, "ngForOf", $i0$.ɵb($middle$.items));
}
}
function MyComponent_div_Template_0(rf, ctx) {
if (rf & 1) {
$i0$.ɵE(0, "div");
$i0$.ɵC(1, MyComponent_div_div_Template_1, null, _c0);
$i0$.ɵe();
}
if (rf & 2) {
const $outer$ = ctx.$implicit;
$i0$.ɵp(1, "ngForOf", $i0$.ɵb($outer$.items));
}
}
// ...
template:function MyComponent_Template(rf, ctx){
if (rf & 1) {
$i0$.ɵC(0, MyComponent_div_Template_0, null, _c0);
}
if (rf & 2) {
$i0$.ɵp(0, "ngForOf", $i0$.ɵb(ctx.items));
}
}`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should support <ng-template>', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {CommonModule} from '@angular/common';
@Component({
selector: 'my-component',
template: \`
<ng-template [boundAttr]="b" attr="l">
some-content
</ng-template>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent], imports: [CommonModule]})
export class MyModule {}
`
}
};
const template = `
const $c0$ = ["attr", "", "boundAttr", ""];
function Template_0(rf, ctx) {
if (rf & 1) {
$i0$.ɵT(0, " some-content ");
}
}
// ...
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$i0$.ɵC(0, Template_0, null, $c0$);
}
if (rf & 2) {
$i0$.ɵp(0, "boundAttr", $i0$.ɵb(ctx.b));
}
}`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
});