/** * @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 {InitialStylingFlags} from '@angular/compiler/src/core'; import {MockDirectory, setup} from '@angular/compiler/test/aot/test_util'; import {compile, expectEmit} from './mock_compile'; describe('compiler compliance: styling', () => { const angularFiles = setup({ compileAngular: true, compileAnimations: false, compileCommon: true, }); describe('[style] and [style.prop]', () => { it('should create style instructions on the element', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
\` }) export class MyComponent { myStyleExp = [{color:'red'}, {color:'blue', duration:1000}] } @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const template = ` template: function MyComponent_Template(rf, $ctx$) { if (rf & 1) { $r3$.ɵE(0, "div"); $r3$.ɵs(null, null, $r3$.ɵzss); $r3$.ɵe(); } if (rf & 2) { $r3$.ɵsm(0, null, $ctx$.myStyleExp); $r3$.ɵsa(0); } } `; const result = compile(files, angularFiles); expectEmit(result.source, template, 'Incorrect template'); }); it('should place initial, multi, singular and application followed by attribute style instructions in the template code in that order', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
\` }) export class MyComponent { myStyleExp = [{color:'red'}, {color:'blue', duration:1000}] myWidth = '100px'; myHeight = '100px'; } @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const template = ` const _c0 = ["opacity","width","height",${InitialStylingFlags.VALUES_MODE},"opacity","1"]; … MyComponent.ngComponentDef = i0.ɵdefineComponent({ type: MyComponent, selectors:[["my-component"]], factory:function MyComponent_Factory(){ return new MyComponent(); }, template: function MyComponent_Template(rf, $ctx$) { if (rf & 1) { $r3$.ɵE(0, "div"); $r3$.ɵs(null, _c0, $r3$.ɵzss); $r3$.ɵe(); } if (rf & 2) { $r3$.ɵsm(0, null, $ctx$.myStyleExp); $r3$.ɵsp(0, 1, $ctx$.myWidth); $r3$.ɵsp(0, 2, $ctx$.myHeight); $r3$.ɵsa(0); $r3$.ɵa(0, "style", $r3$.ɵb("border-width: 10px"), $r3$.ɵzs); } } }); `; const result = compile(files, angularFiles); expectEmit(result.source, template, 'Incorrect template'); }); it('should assign a sanitizer instance to the element style allocation instruction if any url-based properties are detected', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
\` }) export class MyComponent { myImage = 'url(foo.jpg)'; } @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const template = ` const _c0 = ["background-image"]; export class MyComponent { constructor() { this.myImage = 'url(foo.jpg)'; } } MyComponent.ngComponentDef = i0.ɵdefineComponent({ type: MyComponent, selectors: [["my-component"]], factory: function MyComponent_Factory() { return new MyComponent(); }, template: function MyComponent_Template(rf, ctx) { if (rf & 1) { i0.ɵE(0, "div"); i0.ɵs(null, _c0, i0.ɵzss); i0.ɵe(); } if (rf & 2) { i0.ɵsp(0, 0, ctx.myImage); i0.ɵsa(0); } } }); `; const result = compile(files, angularFiles); expectEmit(result.source, template, 'Incorrect template'); }); }); describe('[class]', () => { it('should create class styling instructions on the element', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
\` }) export class MyComponent { myClassExp = {'foo':true} } @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const template = ` template: function MyComponent_Template(rf, $ctx$) { if (rf & 1) { $r3$.ɵE(0, "div"); $r3$.ɵs(); $r3$.ɵe(); } if (rf & 2) { $r3$.ɵsm(0,$ctx$.myClassExp); $r3$.ɵsa(0); } } `; const result = compile(files, angularFiles); expectEmit(result.source, template, 'Incorrect template'); }); it('should place initial, multi, singular and application followed by attribute class instructions in the template code in that order', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
\` }) export class MyComponent { myClassExp = {a:true, b:true}; yesToApple = true; yesToOrange = true; } @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const template = ` const _c0 = ["grape","apple","orange",${InitialStylingFlags.VALUES_MODE},"grape",true]; … MyComponent.ngComponentDef = i0.ɵdefineComponent({ type: MyComponent, selectors:[["my-component"]], factory:function MyComponent_Factory(){ return new MyComponent(); }, template: function MyComponent_Template(rf, $ctx$) { if (rf & 1) { $r3$.ɵE(0, "div"); $r3$.ɵs(_c0); $r3$.ɵe(); } if (rf & 2) { $r3$.ɵsm(0, $ctx$.myClassExp); $r3$.ɵcp(0, 1, $ctx$.yesToApple); $r3$.ɵcp(0, 2, $ctx$.yesToOrange); $r3$.ɵsa(0); $r3$.ɵa(0, "class", $r3$.ɵb("banana")); } } }); `; const result = compile(files, angularFiles); expectEmit(result.source, template, 'Incorrect template'); }); it('should not generate the styling apply instruction if there are only static style/class attributes', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
\` }) export class MyComponent {} @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const template = ` const _c0 = ["foo",${InitialStylingFlags.VALUES_MODE},"foo",true]; const _c1 = ["width",${InitialStylingFlags.VALUES_MODE},"width","100px"]; … MyComponent.ngComponentDef = i0.ɵdefineComponent({ type: MyComponent, selectors:[["my-component"]], factory:function MyComponent_Factory(){ return new MyComponent(); }, template: function MyComponent_Template(rf, $ctx$) { if (rf & 1) { $r3$.ɵE(0, "div"); $r3$.ɵs(_c0, _c1); $r3$.ɵe(); } if (rf & 2) { $r3$.ɵa(0, "class", $r3$.ɵb("round")); $r3$.ɵa(0, "style", $r3$.ɵb("height:100px"), $r3$.ɵzs); } } }); `; const result = compile(files, angularFiles); expectEmit(result.source, template, 'Incorrect template'); }); }); });