angular-cn/packages/compiler/test/render3/r3_compiler_compliance_spec.ts

1340 lines
44 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 '../aot/test_util';
import {compile, expectEmit} from './mock_compile';
/* These tests are codified version of the tests in compiler_canonical_spec.ts. Every
* test in compiler_canonical_spec.ts should have a corresponding test here.
*/
describe('compiler compliance', () => {
const angularFiles = setup({
compileAngular: true,
compileAnimations: false,
compileCommon: true,
});
describe('elements', () => {
it('should translate DOM structure', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div class="my-app" title="Hello">Hello <b>World</b>!</div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
// The factory should look like this:
const factory = 'factory: function MyComponent_Factory() { return new MyComponent(); }';
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
const $c1$ = ['class', 'my-app', 'title', 'Hello'];
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'div', $c1$);
$r3$.ɵT(1, 'Hello ');
$r3$.ɵE(2, 'b');
$r3$.ɵT(3, 'World');
$r3$.ɵe();
$r3$.ɵT(4, '!');
$r3$.ɵe();
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
it('should bind to element properties', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [id]="id"></div>\`
})
export class MyComponent {
id = 'one';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const factory = 'factory: function MyComponent_Factory() { return new MyComponent(); }';
const template = `
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'div');
$r3$.ɵe();
}
if (rf & 2) {
$r3$.ɵp(0, 'id', $r3$.ɵb(ctx.id));
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
it('should reserve slots for pure functions', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div
[ternary]="cond ? [a] : [0]"
[pipe]="value | pipe:1:2"
[and]="cond && [b]"
[or]="cond || [c]"
></div>\`
})
export class MyComponent {
id = 'one';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const factory = 'factory: function MyComponent_Factory() { return new MyComponent(); }';
const template = `
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'div');
$r3$.ɵPp(1,'pipe');
$r3$.ɵe();
$r3$.ɵrS(10);
}
if (rf & 2) {
$r3$.ɵp(0, 'ternary', $r3$.ɵb((ctx.cond ? $r3$.ɵf1(2, _c0, ctx.a): _c1)));
$r3$.ɵp(0, 'pipe', $r3$.ɵb($r3$.ɵpb3(6, 1, ctx.value, 1, 2)));
$r3$.ɵp(0, 'and', $r3$.ɵb((ctx.cond && $r3$.ɵf1(4, _c0, ctx.b))));
$r3$.ɵp(0, 'or', $r3$.ɵb((ctx.cond || $r3$.ɵf1(6, _c0, ctx.c))));
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
it('should bind to class and style names', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [class.error]="error" [style.background-color]="color"></div>\`
})
export class MyComponent {
error = true;
color = 'red';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const factory = 'factory: function MyComponent_Factory() { return new MyComponent(); }';
const template = `
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'div');
$r3$.ɵe();
}
if (rf & 2) {
$r3$.ɵkn(0, 'error', $r3$.ɵb(ctx.error));
$r3$.ɵsn(0, 'background-color', $r3$.ɵb(ctx.color));
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
});
describe('components & directives', () => {
it('should instantiate directives', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule} from '@angular/core';
@Component({selector: 'child', template: 'child-view'})
export class ChildComponent {}
@Directive({selector: '[some-directive]'})
export class SomeDirective {}
@Component({selector: 'my-component', template: '<child some-directive></child>!'})
export class MyComponent {}
@NgModule({declarations: [ChildComponent, SomeDirective, MyComponent]})
export class MyModule{}
`
}
};
// ChildComponent definition should be:
const ChildComponentDefinition = `
static ngComponentDef = $r3$.ɵdefineComponent({
type: ChildComponent,
selectors: [['child']],
factory: function ChildComponent_Factory() { return new ChildComponent(); },
template: function ChildComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵT(0, 'child-view');
}
}
});`;
// SomeDirective definition should be:
const SomeDirectiveDefinition = `
static ngDirectiveDef = $r3$.ɵdefineDirective({
type: SomeDirective,
selectors: [['', 'some-directive', '']],
factory: function SomeDirective_Factory() {return new SomeDirective(); }
});
`;
// MyComponent definition should be:
const MyComponentDefinition = `
const $c1$ = ['some-directive', ''];
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [['my-component']],
factory: function MyComponent_Factory() { return new MyComponent(); },
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'child', $c1$);
$r3$.ɵe();
$r3$.ɵT(1, '!');
}
},
directives: [ChildComponent, SomeDirective]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, ChildComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
expectEmit(source, SomeDirectiveDefinition, 'Incorrect SomeDirective.ngDirectiveDef');
expectEmit(source, MyComponentDefinition, 'Incorrect MyComponentDefinition.ngComponentDef');
});
it('should support complex selectors', () => {
const files = {
app: {
'spec.ts': `
import {Directive, NgModule} from '@angular/core';
@Directive({selector: 'div.foo[some-directive]:not([title]):not(.baz)'})
export class SomeDirective {}
@Directive({selector: ':not(span[title]):not(.baz)'})
export class OtherDirective {}
@NgModule({declarations: [SomeDirective, OtherDirective]})
export class MyModule{}
`
}
};
// SomeDirective definition should be:
const SomeDirectiveDefinition = `
static ngDirectiveDef = $r3$.ɵdefineDirective({
type: SomeDirective,
selectors: [['div', 'some-directive', '', 8, 'foo', 3, 'title', '', 9, 'baz']],
factory: function SomeDirective_Factory() {return new SomeDirective(); }
});
`;
// OtherDirective definition should be:
const OtherDirectiveDefinition = `
static ngDirectiveDef = $r3$.ɵdefineDirective({
type: OtherDirective,
selectors: [['', 5, 'span', 'title', '', 9, 'baz']],
factory: function OtherDirective_Factory() {return new OtherDirective(); }
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, SomeDirectiveDefinition, 'Incorrect SomeDirective.ngDirectiveDef');
expectEmit(source, OtherDirectiveDefinition, 'Incorrect OtherDirective.ngDirectiveDef');
});
it('should support host bindings', () => {
const files = {
app: {
'spec.ts': `
import {Directive, HostBinding, NgModule} from '@angular/core';
@Directive({selector: '[hostBindingDir]'})
export class HostBindingDir {
@HostBinding('id') dirId = 'some id';
}
@NgModule({declarations: [HostBindingDir]})
export class MyModule {}
`
}
};
const HostBindingDirDeclaration = `
static ngDirectiveDef = $r3$.ɵdefineDirective({
type: HostBindingDir,
selectors: [['', 'hostBindingDir', '']],
factory: function HostBindingDir_Factory() { return new HostBindingDir(); },
hostBindings: function HostBindingDir_HostBindings(
dirIndex: $number$, elIndex: $number$) {
$r3$.ɵp(elIndex, 'id', $r3$.ɵb($r3$.ɵd(dirIndex).dirId));
}
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, HostBindingDirDeclaration, 'Invalid host binding code');
});
it('should support structural directives', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule, TemplateRef} from '@angular/core';
@Directive({selector: '[if]'})
export class IfDirective {
constructor(template: TemplateRef<any>) { }
}
@Component({
selector: 'my-component',
template: '<ul #foo><li *if>{{salutation}} {{foo}}</li></ul>'
})
export class MyComponent {
salutation = 'Hello';
}
@NgModule({declarations: [IfDirective, MyComponent]})
export class MyModule {}
`
}
};
const IfDirectiveDefinition = `
static ngDirectiveDef = $r3$.ɵdefineDirective({
type: IfDirective,
selectors: [['', 'if', '']],
factory: function IfDirective_Factory() { return new IfDirective($r3$.ɵinjectTemplateRef()); }
});`;
const MyComponentDefinition = `
const $c1$ = ['foo', ''];
const $c2$ = ['if', ''];
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [['my-component']],
factory: function MyComponent_Factory() { return new MyComponent(); },
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'ul', null, $c1$);
$r3$.ɵC(2, MyComponent_li_Template_2, null, $c2$);
$r3$.ɵe();
}
const $foo$ = $r3$.ɵld(1);
function MyComponent_li_Template_2(rf: IDENT, ctx0: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'li');
$r3$.ɵT(1);
$r3$.ɵe();
}
if (rf & 2) {
$r3$.ɵt(1, $r3$.ɵi2('', ctx.salutation, ' ', $foo$, ''));
}
}
},
directives:[IfDirective]
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, IfDirectiveDefinition, 'Incorrect IfDirective.ngDirectiveDef');
expectEmit(source, MyComponentDefinition, 'Incorrect MyComponent.ngComponentDef');
});
describe('value composition', () => {
it('should support array literals', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
@Component({
selector: 'my-comp',
template: \`
<p>{{ names[0] }}</p>
<p>{{ names[1] }}</p>
\`
})
export class MyComp {
@Input() names: string[];
}
@Component({
selector: 'my-app',
template: \`
<my-comp [names]="['Nancy', customName]"></my-comp>
\`
})
export class MyApp {
customName = 'Bess';
}
@NgModule({declarations: [MyComp, MyApp]})
export class MyModule { }
`
}
};
const MyAppDeclaration = `
const $e0_ff$ = ($v$: any) => { return ['Nancy', $v$]; };
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [['my-app']],
factory: function MyApp_Factory() { return new MyApp(); },
template: function MyApp_Template(rf: $RenderFlags$, ctx: $MyApp$) {
if (rf & 1) {
$r3$.ɵE(0, 'my-comp');
$r3$.ɵe();
$r3$.ɵrS(2);
}
if (rf & 2) {
$r3$.ɵp(0, 'names', $r3$.ɵb($r3$.ɵf1(2, $e0_ff$, ctx.customName)));
}
},
directives: [MyComp]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyAppDeclaration, 'Invalid array emit');
});
it('should support 9+ bindings in array literals', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
@Component({
selector: 'my-comp',
template: \`
{{ names[0] }}
{{ names[1] }}
{{ names[3] }}
{{ names[4] }}
{{ names[5] }}
{{ names[6] }}
{{ names[7] }}
{{ names[8] }}
{{ names[9] }}
{{ names[10] }}
{{ names[11] }}
\`
})
export class MyComp {
@Input() names: string[];
}
@Component({
selector: 'my-app',
template: \`
<my-comp [names]="['start-', n0, n1, n2, n3, n4, '-middle-', n5, n6, n7, n8, '-end']">
</my-comp>
\`
})
export class MyApp {
n0 = 'a';
n1 = 'b';
n2 = 'c';
n3 = 'd';
n4 = 'e';
n5 = 'f';
n6 = 'g';
n7 = 'h';
n8 = 'i';
}
@NgModule({declarations: [MyComp, MyApp]})
export class MyModule {}
`
}
};
const MyAppDefinition = `
const $e0_ff$ = ($v0$: $any$, $v1$: $any$, $v2$: $any$, $v3$: $any$, $v4$: $any$, $v5$: $any$, $v6$: $any$, $v7$: $any$, $v8$: $any$) => {
return ['start-', $v0$, $v1$, $v2$, $v3$, $v4$, '-middle-', $v5$, $v6$, $v7$, $v8$, '-end'];
}
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [['my-app']],
factory: function MyApp_Factory() { return new MyApp(); },
template: function MyApp_Template(rf: $RenderFlags$, ctx: $MyApp$) {
if (rf & 1) {
$r3$.ɵE(0, 'my-comp');
$r3$.ɵe();
$r3$.ɵrS(10);
}
if (rf & 2) {
$r3$.ɵp(
0, 'names',
$r3$.ɵb($r3$.ɵfV(10, $e0_ff$, [ctx.n0, ctx.n1, ctx.n2, ctx.n3, ctx.n4, ctx.n5, ctx.n6, ctx.n7, ctx.n8])));
}
},
directives: [MyComp]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyAppDefinition, 'Invalid array binding');
});
it('should support object literals', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
@Component({
selector: 'object-comp',
template: \`
<p> {{ config['duration'] }} </p>
<p> {{ config.animation }} </p>
\`
})
export class ObjectComp {
@Input() config: {[key: string]: any};
}
@Component({
selector: 'my-app',
template: \`
<object-comp [config]="{'duration': 500, animation: name}"></object-comp>
\`
})
export class MyApp {
name = 'slide';
}
@NgModule({declarations: [ObjectComp, MyApp]})
export class MyModule {}
`
}
};
const MyAppDefinition = `
const $e0_ff$ = ($v$: any) => { return {'duration': 500, animation: $v$}; };
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [['my-app']],
factory: function MyApp_Factory() { return new MyApp(); },
template: function MyApp_Template(rf: $RenderFlags$, ctx: $MyApp$) {
if (rf & 1) {
$r3$.ɵE(0, 'object-comp');
$r3$.ɵe();
$r3$.ɵrS(2);
}
if (rf & 2) {
$r3$.ɵp(0, 'config', $r3$.ɵb($r3$.ɵf1(2, $e0_ff$, ctx.name)));
}
},
directives: [ObjectComp]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyAppDefinition, 'Invalid object literal binding');
});
it('should support expressions nested deeply in object/array literals', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
@Component({
selector: 'nested-comp',
template: \`
<p> {{ config.animation }} </p>
<p> {{config.actions[0].opacity }} </p>
<p> {{config.actions[1].duration }} </p>
\`
})
export class NestedComp {
@Input() config: {[key: string]: any};
}
@Component({
selector: 'my-app',
template: \`
<nested-comp [config]="{animation: name, actions: [{ opacity: 0, duration: 0}, {opacity: 1, duration: duration }]}">
</nested-comp>
\`
})
export class MyApp {
name = 'slide';
duration = 100;
}
@NgModule({declarations: [NestedComp, MyApp]})
export class MyModule {}
`
}
};
const MyAppDefinition = `
const $c0$ = {opacity: 0, duration: 0};
const $e0_ff$ = ($v$: any) => { return {opacity: 1, duration: $v$}; };
const $e0_ff_1$ = ($v$: any) => { return [$c0$, $v$]; };
const $e0_ff_2$ = ($v1$: any, $v2$: any) => { return {animation: $v1$, actions: $v2$}; };
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [['my-app']],
factory: function MyApp_Factory() { return new MyApp(); },
template: function MyApp_Template(rf: $RenderFlags$, ctx: $MyApp$) {
if (rf & 1) {
$r3$.ɵE(0, 'nested-comp');
$r3$.ɵe();
$r3$.ɵrS(7);
}
if (rf & 2) {
$r3$.ɵp(
0, 'config',
$r3$.ɵb($r3$.ɵf2(7, $e0_ff_2$, ctx.name, $r3$.ɵf1(4, $e0_ff_1$, $r3$.ɵf1(2, $e0_ff$, ctx.duration)))));
}
},
directives: [NestedComp]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyAppDefinition, 'Invalid array/object literal binding');
});
});
it('should support content projection', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule, TemplateRef} from '@angular/core';
@Component({selector: 'simple', template: '<div><ng-content></ng-content></div>'})
export class SimpleComponent {}
@Component({
selector: 'complex',
template: \`
<div id="first"><ng-content select="span[title=toFirst]"></ng-content></div>
<div id="second"><ng-content select="span[title=toSecond]"></ng-content></div>\`
})
export class ComplexComponent { }
@NgModule({declarations: [SimpleComponent, ComplexComponent]})
export class MyModule {}
@Component({
selector: 'my-app',
template: '<simple>content</simple> <complex></complex>'
})
export class MyApp {}
`
}
};
const SimpleComponentDefinition = `
static ngComponentDef = $r3$.ɵdefineComponent({
type: SimpleComponent,
selectors: [['simple']],
factory: function SimpleComponent_Factory() { return new SimpleComponent(); },
template: function SimpleComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵpD(0);
$r3$.ɵE(1, 'div');
$r3$.ɵP(2, 0);
$r3$.ɵe();
}
}
});`;
const ComplexComponentDefinition = `
const $c1$ = [[['span', 'title', 'tofirst']], [['span', 'title', 'tosecond']]];
const $c2$ = ['span[title=toFirst]', 'span[title=toSecond]'];
const $c3$ = ['id','first'];
const $c4$ = ['id','second'];
static ngComponentDef = $r3$.ɵdefineComponent({
type: ComplexComponent,
selectors: [['complex']],
factory: function ComplexComponent_Factory() { return new ComplexComponent(); },
template: function ComplexComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵpD(0, $c1$, $c2$);
$r3$.ɵE(1, 'div', $c3$);
$r3$.ɵP(2, 0, 1);
$r3$.ɵe();
$r3$.ɵE(3, 'div', $c4$);
$r3$.ɵP(4, 0, 2);
$r3$.ɵe();
}
}
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(result.source, SimpleComponentDefinition, 'Incorrect SimpleComponent definition');
expectEmit(
result.source, ComplexComponentDefinition, 'Incorrect ComplexComponent definition');
});
describe('queries', () => {
const directive = {
'some.directive.ts': `
import {Directive} from '@angular/core';
@Directive({
selector: '[someDir]',
})
export class SomeDirective { }
`
};
it('should support view queries', () => {
const files = {
app: {
...directive,
'view_query.component.ts': `
import {Component, NgModule, ViewChild} from '@angular/core';
import {SomeDirective} from './some.directive';
@Component({
selector: 'view-query-component',
template: \`
<div someDir></div>
\`
})
export class ViewQueryComponent {
@ViewChild(SomeDirective) someDir: SomeDirective;
}
@NgModule({declarations: [SomeDirective, ViewQueryComponent]})
export class MyModule {}
`
}
};
const ViewQueryComponentDefinition = `
const $e0_attrs$ = ['someDir',''];
static ngComponentDef = $r3$.ɵdefineComponent({
type: ViewQueryComponent,
selectors: [['view-query-component']],
factory: function ViewQueryComponent_Factory() { return new ViewQueryComponent(); },
template: function ViewQueryComponent_Template(rf: $RenderFlags$, ctx: $ViewQueryComponent$) {
var $tmp$: $any$;
if (rf & 1) {
$r3$.ɵQ(0, SomeDirective, true);
$r3$.ɵE(1, 'div', $e0_attrs$);
$r3$.ɵe();
}
if (rf & 2) {
($r3$.ɵqR(($tmp$ = $r3$.ɵld(0))) && (ctx.someDir = $tmp$.first));
}
},
directives:[SomeDirective]
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, ViewQueryComponentDefinition, 'Invalid ViewQuery declaration');
});
it('should support content queries', () => {
const files = {
app: {
...directive,
'spec.ts': `
import {Component, ContentChild, NgModule} from '@angular/core';
import {SomeDirective} from './some.directive';
@Component({
selector: 'content-query-component',
template: \`
<div><ng-content></ng-content></div>
\`
})
export class ContentQueryComponent {
@ContentChild(SomeDirective) someDir: SomeDirective;
}
@Component({
selector: 'my-app',
template: \`
<content-query-component>
<div someDir></div>
</content-query-component>
\`
})
export class MyApp { }
@NgModule({declarations: [SomeDirective, ContentQueryComponent, MyApp]})
export class MyModule { }
`
}
};
const ContentQueryComponentDefinition = `
static ngComponentDef = $r3$.ɵdefineComponent({
type: ContentQueryComponent,
selectors: [['content-query-component']],
factory: function ContentQueryComponent_Factory() {
return [new ContentQueryComponent(), $r3$.ɵQ(null, SomeDirective, true)];
},
hostBindings: function ContentQueryComponent_HostBindings(
dirIndex: $number$, elIndex: $number$) {
var $tmp$: $any$;
($r3$.ɵqR(($tmp$ = $r3$.ɵd(dirIndex)[1])) && ($r3$.ɵd(dirIndex)[0].someDir = $tmp$.first));
},
template: function ContentQueryComponent_Template(
rf: $RenderFlags$, ctx: $ContentQueryComponent$) {
if (rf & 1) {
$r3$.ɵpD(0);
$r3$.ɵE(1, 'div');
$r3$.ɵP(2, 0);
$r3$.ɵe();
}
}
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, ContentQueryComponentDefinition, 'Invalid ContentQuery declaration');
});
});
describe('pipes', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, Pipe, PipeTransform, OnDestroy} from '@angular/core';
@Pipe({
name: 'myPipe',
pure: false
})
export class MyPipe implements PipeTransform,
OnDestroy {
transform(value: any, ...args: any[]) { return value; }
ngOnDestroy(): void { }
}
@Pipe({
name: 'myPurePipe',
pure: true,
})
export class MyPurePipe implements PipeTransform {
transform(value: any, ...args: any[]) { return value; }
}
@Component({
selector: 'my-app',
template: '{{name | myPipe:size | myPurePipe:size }}<p>{{ name | myPipe:1:2:3:4:5 }}</p>'
})
export class MyApp {
name = 'World';
size = 0;
}
@NgModule({declarations:[MyPipe, MyPurePipe, MyApp]})
export class MyModule {}
`
}
};
it('should render pipes', () => {
const MyPipeDefinition = `
static ngPipeDef = $r3$.ɵdefinePipe(
{name: 'myPipe', type: MyPipe, factory: function MyPipe_Factory() { return new MyPipe(); }});
`;
const MyPurePipeDefinition = `
static ngPipeDef = $r3$.ɵdefinePipe({
name: 'myPurePipe',
type: MyPurePipe,
factory: function MyPurePipe_Factory() { return new MyPurePipe(); },
pure: true
});`;
const MyAppDefinition = `
const $c0$ = ($a0$: any) => {
return [$a0$, 1, 2, 3, 4, 5];
};
// ...
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [['my-app']],
factory: function MyApp_Factory() { return new MyApp(); },
template: function MyApp_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵT(0);
$r3$.ɵPp(1, 'myPurePipe');
$r3$.ɵPp(2, 'myPipe');
$r3$.ɵE(3, 'p');
$r3$.ɵT(4);
$r3$.ɵPp(5, 'myPipe');
$r3$.ɵe();
$r3$.ɵrS(15);
}
if (rf & 2) {
$r3$.ɵt(0, $r3$.ɵi1('', $r3$.ɵpb2(1, 3, $r3$.ɵpb2(2, 6, ctx.name, ctx.size), ctx.size), ''));
$r3$.ɵt(4, $r3$.ɵi1('', $r3$.ɵpbV(5, 13 , $r3$.ɵf1(15, $c0$, ctx.name)), ''));
}
},
pipes: [MyPurePipe, MyPipe]
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyPipeDefinition, 'Invalid pipe definition');
expectEmit(source, MyPurePipeDefinition, 'Invalid pure pipe definition');
expectEmit(source, MyAppDefinition, 'Invalid MyApp definition');
});
});
it('local reference', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({selector: 'my-component', template: '<input #user>Hello {{user.value}}!'})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const MyComponentDefinition = `
const $c1$ = ['user', ''];
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [['my-component']],
factory: function MyComponent_Factory() { return new MyComponent(); },
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'input', null, $c1$);
$r3$.ɵe();
$r3$.ɵT(2);
}
const $user$ = $r3$.ɵld(1);
if (rf & 2) {
$r3$.ɵt(2, $r3$.ɵi1('Hello ', $user$.value, '!'));
}
}
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Incorrect MyComponent.ngComponentDef');
});
describe('lifecycle hooks', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
let events: string[] = [];
@Component({selector: 'lifecycle-comp', template: ''})
export class LifecycleComp {
@Input('name') nameMin: string;
ngOnChanges() { events.push('changes' + this.nameMin); }
ngOnInit() { events.push('init' + this.nameMin); }
ngDoCheck() { events.push('check' + this.nameMin); }
ngAfterContentInit() { events.push('content init' + this.nameMin); }
ngAfterContentChecked() { events.push('content check' + this.nameMin); }
ngAfterViewInit() { events.push('view init' + this.nameMin); }
ngAfterViewChecked() { events.push('view check' + this.nameMin); }
ngOnDestroy() { events.push(this.nameMin); }
}
@Component({
selector: 'simple-layout',
template: \`
<lifecycle-comp [name]="name1"></lifecycle-comp>
<lifecycle-comp [name]="name2"></lifecycle-comp>
\`
})
export class SimpleLayout {
name1 = '1';
name2 = '2';
}
@NgModule({declarations: [LifecycleComp, SimpleLayout]})
export class LifecycleModule {}
`
}
};
it('should gen hooks with a few simple components', () => {
const LifecycleCompDefinition = `
static ngComponentDef = $r3$.ɵdefineComponent({
type: LifecycleComp,
selectors: [['lifecycle-comp']],
factory: function LifecycleComp_Factory() { return new LifecycleComp(); },
inputs: {nameMin: 'name'},
features: [$r3$.ɵNgOnChangesFeature(LifecycleComp)],
template: function LifecycleComp_Template(rf: IDENT, ctx: IDENT) {}
});`;
const SimpleLayoutDefinition = `
static ngComponentDef = $r3$.ɵdefineComponent({
type: SimpleLayout,
selectors: [['simple-layout']],
factory: function SimpleLayout_Factory() { return new SimpleLayout(); },
template: function SimpleLayout_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'lifecycle-comp');
$r3$.ɵe();
$r3$.ɵE(1, 'lifecycle-comp');
$r3$.ɵe();
}
if (rf & 2) {
$r3$.ɵp(0, 'name', $r3$.ɵb(ctx.name1));
$r3$.ɵp(1, 'name', $r3$.ɵb(ctx.name2));
}
},
directives: [LifecycleComp]
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, LifecycleCompDefinition, 'Invalid LifecycleComp definition');
expectEmit(source, SimpleLayoutDefinition, 'Invalid SimpleLayout definition');
});
});
describe('template variables', () => {
const shared = {
shared: {
'for_of.ts': `
import {Directive, Input, SimpleChanges, TemplateRef, ViewContainerRef} from '@angular/core';
export interface ForOfContext {
$implicit: any;
index: number;
even: boolean;
odd: boolean;
}
@Directive({selector: '[forOf]'})
export class ForOfDirective {
private previous: any[];
constructor(private view: ViewContainerRef, private template: TemplateRef<any>) {}
@Input() forOf: any[];
ngOnChanges(simpleChanges: SimpleChanges) {
if ('forOf' in simpleChanges) {
this.update();
}
}
ngDoCheck(): void {
const previous = this.previous;
const current = this.forOf;
if (!previous || previous.length != current.length ||
previous.some((value: any, index: number) => current[index] !== previous[index])) {
this.update();
}
}
private update() {
// TODO(chuckj): Not implemented yet
// this.view.clear();
if (this.forOf) {
const current = this.forOf;
for (let i = 0; i < current.length; i++) {
const context = {$implicit: current[i], index: i, even: i % 2 == 0, odd: i % 2 == 1};
// TODO(chuckj): Not implemented yet
// this.view.createEmbeddedView(this.template, context);
}
this.previous = [...this.forOf];
}
}
}
`
}
};
it('should support a let variable and reference', () => {
const files = {
app: {
...shared,
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {ForOfDirective} from './shared/for_of';
@Component({
selector: 'my-component',
template: \`<ul><li *for="let item of items">{{item.name}}</li></ul>\`
})
export class MyComponent {
items = [{name: 'one'}, {name: 'two'}];
}
@NgModule({
declarations: [MyComponent, ForOfDirective]
})
export class MyModule {}
`
}
};
// TODO(chuckj): Enforce this when the directives are specified
const ForDirectiveDefinition = `
static ngDirectiveDef = $r3$.ɵdefineDirective({
type: ForOfDirective,
selectors: [['', 'forOf', '']],
factory: function ForOfDirective_Factory() {
return new ForOfDirective($r3$.ɵinjectViewContainerRef(), $r3$.ɵinjectTemplateRef());
},
features: [$r3$.ɵNgOnChangesFeature(NgForOf)],
inputs: {forOf: 'forOf'}
});
`;
const MyComponentDefinition = `
const $_c0$ = ['for','','forOf',''];
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [['my-component']],
factory: function MyComponent_Factory() { return new MyComponent(); },
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'ul');
$r3$.ɵC(1, MyComponent_li_Template_1, null, $_c0$);
$r3$.ɵe();
}
if (rf & 2) {
$r3$.ɵp(1, 'forOf', $r3$.ɵb(ctx.items));
}
function MyComponent_li_Template_1(rf: IDENT, ctx0: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'li');
$r3$.ɵT(1);
$r3$.ɵe();
}
if (rf & 2) {
const $item$ = ctx0.$implicit;
$r3$.ɵt(1, $r3$.ɵi1('', $item$.name, ''));
}
}
},
directives: [ForOfDirective]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
// TODO(chuckj): Enforce this when the directives are specified
// expectEmit(source, ForDirectiveDefinition, 'Invalid directive definition');
expectEmit(source, MyComponentDefinition, 'Invalid component definition');
});
it('should support accessing parent template variables', () => {
const files = {
app: {
...shared,
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {ForOfDirective} from './shared/for_of';
@Component({
selector: 'my-component',
template: \`
<ul>
<li *for="let item of items">
<div>{{item.name}}</div>
<ul>
<li *for="let info of item.infos">
{{item.name}}: {{info.description}}
</li>
</ul>
</li>
</ul>\`
})
export class MyComponent {
items = [
{name: 'one', infos: [{description: '11'}, {description: '12'}]},
{name: 'two', infos: [{description: '21'}, {description: '22'}]}
];
}
@NgModule({
declarations: [MyComponent, ForOfDirective]
})
export class MyModule {}
`
}
};
const MyComponentDefinition = `
const $c1$ = ['for', '', 'forOf', ''];
static ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [['my-component']],
factory: function MyComponent_Factory() { return new MyComponent(); },
template: function MyComponent_Template(rf: IDENT, ctx: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'ul');
$r3$.ɵC(1, MyComponent_li_Template_1, null, $c1$);
$r3$.ɵe();
}
if (rf & 2) {
$r3$.ɵp(1, 'forOf', $r3$.ɵb(ctx.items));
}
function MyComponent_li_Template_1(rf: IDENT, ctx0: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'li');
$r3$.ɵE(1, 'div');
$r3$.ɵT(2);
$r3$.ɵe();
$r3$.ɵE(3, 'ul');
$r3$.ɵC(4, MyComponent_li_li_Template_4, null, $c1$);
$r3$.ɵe();
$r3$.ɵe();
}
if (rf & 2) {
const $item$ = ctx0.$implicit;
$r3$.ɵt(2, $r3$.ɵi1('', IDENT.name, ''));
$r3$.ɵp(4, 'forOf', $r3$.ɵb(IDENT.infos));
}
function MyComponent_li_li_Template_4(rf: IDENT, ctx1: IDENT) {
if (rf & 1) {
$r3$.ɵE(0, 'li');
$r3$.ɵT(1);
$r3$.ɵe();
}
if (rf & 2) {
const $item$ = ctx0.$implicit;
const $info$ = ctx1.$implicit;
$r3$.ɵt(1, $r3$.ɵi2(' ', $item$.name, ': ', $info$.description, ' '));
}
}
}
},
directives: [ForOfDirective]
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Invalid component definition');
});
});
});
});