angular-cn/packages/compiler-cli/test/compliance/r3_view_compiler_binding_sp...

122 lines
3.4 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 {MockDirectory, setup} from '@angular/compiler/test/aot/test_util';
import {compile, expectEmit} from './mock_compile';
describe('compiler compliance: bindings', () => {
const angularFiles = setup({
compileAngular: false,
compileFakeCore: true,
compileAnimations: false,
});
describe('text bindings', () => {
it('should generate interpolation instruction', () => {
const files: MockDirectory = {
app: {
'example.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`
<div>Hello {{ name }}</div>\`
})
export class MyComponent {
name = 'World';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
template:function MyComponent_Template(rf, $ctx$){
if (rf & 1) {
$i0$.ɵelementStart(0, "div");
$i0$.ɵtext(1);
$i0$.ɵelementEnd();
}
if (rf & 2) {
$i0$.ɵtextBinding(1, $i0$.ɵinterpolation1("Hello ", $ctx$.name, ""));
}
}`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect interpolated text binding');
});
});
describe('property bindings', () => {
it('should generate bind instruction', () => {
const files: MockDirectory = {
app: {
'example.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-app',
template: '<a [title]="title"></a>'
})
export class MyComponent {
title = 'Hello World';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}`
}
};
const template = `
template:function MyComponent_Template(rf, $ctx$){
if (rf & 1) {
$i0$.ɵelement(0, "a");
}
if (rf & 2) {
$i0$.ɵelementProperty(0, "title", $i0$.ɵbind($ctx$.title));
}
}`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect property binding');
});
it('should generate interpolation instruction for {{...}} bindings', () => {
const files: MockDirectory = {
app: {
'example.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`
<a title="Hello {{name}}"></a>\`
})
export class MyComponent {
name = 'World';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
template:function MyComponent_Template(rf, $ctx$){
if (rf & 1) {
$i0$.ɵelement(0, "a");
}
if (rf & 2) {
$i0$.ɵelementProperty(0, "title", $i0$.ɵinterpolation1("Hello ", $ctx$.name, ""));
}
}`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect interpolated property binding');
});
});
});