angular-cn/packages/upgrade/test/dynamic/upgrade_spec.ts

3044 lines
116 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 {ChangeDetectorRef, Component, EventEmitter, Input, NO_ERRORS_SCHEMA, NgModule, NgModuleFactory, NgZone, OnChanges, OnDestroy, Output, SimpleChange, SimpleChanges, Testability, destroyPlatform, forwardRef} from '@angular/core';
import {async, fakeAsync, flushMicrotasks, tick} from '@angular/core/testing';
import {BrowserModule} from '@angular/platform-browser';
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import * as angular from '@angular/upgrade/src/common/angular1';
import {UpgradeAdapter, UpgradeAdapterRef} from '@angular/upgrade/src/dynamic/upgrade_adapter';
import {$apply, $digest, html, multiTrim, withEachNg1Version} from './test_helpers';
declare global {
export var inject: Function;
}
withEachNg1Version(() => {
describe('adapter: ng1 to ng2', () => {
beforeEach(() => destroyPlatform());
afterEach(() => destroyPlatform());
describe('(basic use)', () => {
it('should have AngularJS loaded', () => expect(angular.version.major).toBe(1));
it('should instantiate ng2 in ng1 template and project content', async(() => {
const ng1Module = angular.module('ng1', []);
@Component({
selector: 'ng2',
template: `{{ 'NG2' }}(<ng-content></ng-content>)`,
})
class Ng2 {
}
@NgModule({declarations: [Ng2], imports: [BrowserModule]})
class Ng2Module {
}
const element =
html('<div>{{ \'ng1[\' }}<ng2>~{{ \'ng-content\' }}~</ng2>{{ \']\' }}</div>');
const adapter: UpgradeAdapter = new UpgradeAdapter(Ng2Module);
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(document.body.textContent).toEqual('ng1[NG2(~ng-content~)]');
ref.dispose();
});
}));
it('should instantiate ng1 in ng2 template and project content', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
@Component({
selector: 'ng2',
template: `{{ 'ng2(' }}<ng1>{{'transclude'}}</ng1>{{ ')' }}`,
})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng1', () => {
return {transclude: true, template: '{{ "ng1" }}(<ng-transclude></ng-transclude>)'};
});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html('<div>{{\'ng1(\'}}<ng2></ng2>{{\')\'}}</div>');
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(document.body.textContent).toEqual('ng1(ng2(ng1(transclude)))');
ref.dispose();
});
}));
it('supports the compilerOptions argument', async(() => {
const platformRef = platformBrowserDynamic();
spyOn(platformRef, 'bootstrapModule').and.callThrough();
spyOn(platformRef, 'bootstrapModuleFactory').and.callThrough();
const ng1Module = angular.module('ng1', []);
@Component({selector: 'ng2', template: `{{ 'NG2' }}(<ng-content></ng-content>)`})
class Ng2 {
}
const element =
html('<div>{{ \'ng1[\' }}<ng2>~{{ \'ng-content\' }}~</ng2>{{ \']\' }}</div>');
@NgModule({
declarations: [Ng2],
imports: [BrowserModule],
})
class Ng2AppModule {
ngDoBootstrap() {}
}
const adapter: UpgradeAdapter = new UpgradeAdapter(Ng2AppModule, {providers: []});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(platformRef.bootstrapModule).toHaveBeenCalledWith(jasmine.any(Function), [
{providers: []}, jasmine.any(Object)
]);
expect(platformRef.bootstrapModuleFactory)
.toHaveBeenCalledWith(
jasmine.any(NgModuleFactory), {providers: [], ngZone: jasmine.any(NgZone)});
ref.dispose();
});
}));
});
describe('bootstrap errors', () => {
let adapter: UpgradeAdapter;
beforeEach(() => {
angular.module('ng1', []);
@Component({
selector: 'ng2',
template: `<BAD TEMPLATE div></div>`,
})
class ng2Component {
}
@NgModule({
declarations: [ng2Component],
imports: [BrowserModule],
})
class Ng2Module {
}
adapter = new UpgradeAdapter(Ng2Module);
});
it('should throw an uncaught error', fakeAsync(() => {
const resolveSpy = jasmine.createSpy('resolveSpy');
spyOn(console, 'error');
expect(() => {
adapter.bootstrap(html('<ng2></ng2>'), ['ng1']).ready(resolveSpy);
flushMicrotasks();
}).toThrowError();
expect(resolveSpy).not.toHaveBeenCalled();
}));
it('should output an error message to the console and re-throw', fakeAsync(() => {
const consoleErrorSpy: jasmine.Spy = spyOn(console, 'error');
expect(() => {
adapter.bootstrap(html('<ng2></ng2>'), ['ng1']);
flushMicrotasks();
}).toThrowError();
const args: any[] = consoleErrorSpy.calls.mostRecent().args;
expect(consoleErrorSpy).toHaveBeenCalled();
expect(args.length).toBeGreaterThan(0);
expect(args[0]).toEqual(jasmine.any(Error));
}));
});
describe('scope/component change-detection', () => {
it('should interleave scope and component expressions', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const log: string[] = [];
const l = (value: string) => {
log.push(value);
return value + ';';
};
ng1Module.directive('ng1a', () => ({template: '{{ l(\'ng1a\') }}'}));
ng1Module.directive('ng1b', () => ({template: '{{ l(\'ng1b\') }}'}));
ng1Module.run(($rootScope: any) => {
$rootScope.l = l;
$rootScope.reset = () => log.length = 0;
});
@Component({
selector: 'ng2',
template: `{{l('2A')}}<ng1a></ng1a>{{l('2B')}}<ng1b></ng1b>{{l('2C')}}`
})
class Ng2 {
l: any;
constructor() { this.l = l; }
}
@NgModule({
declarations:
[adapter.upgradeNg1Component('ng1a'), adapter.upgradeNg1Component('ng1b'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element =
html('<div>{{reset(); l(\'1A\');}}<ng2>{{l(\'1B\')}}</ng2>{{l(\'1C\')}}</div>');
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(document.body.textContent).toEqual('1A;2A;ng1a;2B;ng1b;2C;1C;');
// https://github.com/angular/angular.js/issues/12983
expect(log).toEqual(['1A', '1C', '2A', '2B', '2C', 'ng1a', 'ng1b']);
ref.dispose();
});
}));
it('should propagate changes to a downgraded component inside the ngZone', async(() => {
let appComponent: AppComponent;
let upgradeRef: UpgradeAdapterRef;
@Component({selector: 'my-app', template: '<my-child [value]="value"></my-child>'})
class AppComponent {
value: number;
constructor() { appComponent = this; }
}
@Component({
selector: 'my-child',
template: '<div>{{valueFromPromise}}',
})
class ChildComponent {
valueFromPromise: number;
@Input()
set value(v: number) { expect(NgZone.isInAngularZone()).toBe(true); }
constructor(private zone: NgZone) {}
ngOnChanges(changes: SimpleChanges) {
if (changes['value'].isFirstChange()) return;
this.zone.onMicrotaskEmpty.subscribe(() => {
expect(element.textContent).toEqual('5');
upgradeRef.dispose();
});
Promise.resolve().then(() => this.valueFromPromise = changes['value'].currentValue);
}
}
@NgModule({declarations: [AppComponent, ChildComponent], imports: [BrowserModule]})
class Ng2Module {
}
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []).directive(
'myApp', adapter.downgradeNg2Component(AppComponent));
const element = html('<my-app></my-app>');
adapter.bootstrap(element, ['ng1']).ready((ref) => {
upgradeRef = ref;
appComponent.value = 5;
});
}));
// This test demonstrates https://github.com/angular/angular/issues/6385
// which was invalidly fixed by https://github.com/angular/angular/pull/6386
// it('should not trigger $digest from an async operation in a watcher', async(() => {
// @Component({selector: 'my-app', template: ''})
// class AppComponent {
// }
// @NgModule({declarations: [AppComponent], imports: [BrowserModule]})
// class Ng2Module {
// }
// const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
// const ng1Module = angular.module('ng1', []).directive(
// 'myApp', adapter.downgradeNg2Component(AppComponent));
// const element = html('<my-app></my-app>');
// adapter.bootstrap(element, ['ng1']).ready((ref) => {
// let doTimeout = false;
// let timeoutId: number;
// ref.ng1RootScope.$watch(() => {
// if (doTimeout && !timeoutId) {
// timeoutId = window.setTimeout(function() {
// timeoutId = null;
// }, 10);
// }
// });
// doTimeout = true;
// });
// }));
});
describe('downgrade ng2 component', () => {
it('should allow non-element selectors for downgraded components', async(() => {
@Component({selector: '[itWorks]', template: 'It works'})
class WorksComponent {
}
@NgModule({declarations: [WorksComponent], imports: [BrowserModule]})
class Ng2Module {
}
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
ng1Module.directive('ng2', adapter.downgradeNg2Component(WorksComponent));
const element = html('<ng2></ng2>');
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent !)).toBe('It works');
});
}));
it('should bind properties, events', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module =
angular.module('ng1', []).value('$exceptionHandler', (err: any) => { throw err; });
ng1Module.run(($rootScope: any) => {
$rootScope.name = 'world';
$rootScope.dataA = 'A';
$rootScope.dataB = 'B';
$rootScope.modelA = 'initModelA';
$rootScope.modelB = 'initModelB';
$rootScope.eventA = '?';
$rootScope.eventB = '?';
});
@Component({
selector: 'ng2',
inputs: ['literal', 'interpolate', 'oneWayA', 'oneWayB', 'twoWayA', 'twoWayB'],
outputs: [
'eventA', 'eventB', 'twoWayAEmitter: twoWayAChange', 'twoWayBEmitter: twoWayBChange'
],
template: 'ignore: {{ignore}}; ' +
'literal: {{literal}}; interpolate: {{interpolate}}; ' +
'oneWayA: {{oneWayA}}; oneWayB: {{oneWayB}}; ' +
'twoWayA: {{twoWayA}}; twoWayB: {{twoWayB}}; ({{ngOnChangesCount}})'
})
class Ng2 {
ngOnChangesCount = 0;
ignore = '-';
literal = '?';
interpolate = '?';
oneWayA = '?';
oneWayB = '?';
twoWayA = '?';
twoWayB = '?';
eventA = new EventEmitter();
eventB = new EventEmitter();
twoWayAEmitter = new EventEmitter();
twoWayBEmitter = new EventEmitter();
ngOnChanges(changes: SimpleChanges) {
const assert = (prop: string, value: any) => {
if ((this as any)[prop] != value) {
throw new Error(
`Expected: '${prop}' to be '${value}' but was '${(this as any)[prop]}'`);
}
};
const assertChange = (prop: string, value: any) => {
assert(prop, value);
if (!changes[prop]) {
throw new Error(`Changes record for '${prop}' not found.`);
}
const actValue = changes[prop].currentValue;
if (actValue != value) {
throw new Error(
`Expected changes record for'${prop}' to be '${value}' but was '${actValue}'`);
}
};
switch (this.ngOnChangesCount++) {
case 0:
assert('ignore', '-');
assertChange('literal', 'Text');
assertChange('interpolate', 'Hello world');
assertChange('oneWayA', 'A');
assertChange('oneWayB', 'B');
assertChange('twoWayA', 'initModelA');
assertChange('twoWayB', 'initModelB');
this.twoWayAEmitter.emit('newA');
this.twoWayBEmitter.emit('newB');
this.eventA.emit('aFired');
this.eventB.emit('bFired');
break;
case 1:
assertChange('twoWayA', 'newA');
assertChange('twoWayB', 'newB');
break;
case 2:
assertChange('interpolate', 'Hello everyone');
break;
default:
throw new Error('Called too many times! ' + JSON.stringify(changes));
}
}
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
@NgModule({
declarations: [Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div>
<ng2 literal="Text" interpolate="Hello {{name}}"
bind-one-way-a="dataA" [one-way-b]="dataB"
bindon-two-way-a="modelA" [(two-way-b)]="modelB"
on-event-a='eventA=$event' (event-b)="eventB=$event"></ng2>
| modelA: {{modelA}}; modelB: {{modelB}}; eventA: {{eventA}}; eventB: {{eventB}};
</div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent !))
.toEqual(
'ignore: -; ' +
'literal: Text; interpolate: Hello world; ' +
'oneWayA: A; oneWayB: B; twoWayA: newA; twoWayB: newB; (2) | ' +
'modelA: newA; modelB: newB; eventA: aFired; eventB: bFired;');
ref.ng1RootScope.$apply('name = "everyone"');
expect(multiTrim(document.body.textContent !))
.toEqual(
'ignore: -; ' +
'literal: Text; interpolate: Hello everyone; ' +
'oneWayA: A; oneWayB: B; twoWayA: newA; twoWayB: newB; (3) | ' +
'modelA: newA; modelB: newB; eventA: aFired; eventB: bFired;');
ref.dispose();
});
}));
it('should support two-way binding and event listener', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const listenerSpy = jasmine.createSpy('$rootScope.listener');
const ng1Module = angular.module('ng1', []).run(($rootScope: angular.IScope) => {
$rootScope['value'] = 'world';
$rootScope['listener'] = listenerSpy;
});
@Component({selector: 'ng2', template: `model: {{model}};`})
class Ng2Component implements OnChanges {
ngOnChangesCount = 0;
@Input() model = '?';
@Output() modelChange = new EventEmitter();
ngOnChanges(changes: SimpleChanges) {
switch (this.ngOnChangesCount++) {
case 0:
expect(changes.model.currentValue).toBe('world');
this.modelChange.emit('newC');
break;
case 1:
expect(changes.model.currentValue).toBe('newC');
break;
default:
throw new Error('Called too many times! ' + JSON.stringify(changes));
}
}
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
@NgModule({declarations: [Ng2Component], imports: [BrowserModule]})
class Ng2Module {
ngDoBootstrap() {}
}
const element = html(`
<div>
<ng2 [(model)]="value" (model-change)="listener($event)"></ng2>
| value: {{value}}
</div>
`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(element.textContent)).toEqual('model: newC; | value: newC');
expect(listenerSpy).toHaveBeenCalledWith('newC');
ref.dispose();
});
}));
it('should initialize inputs in time for `ngOnChanges`', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
@Component({
selector: 'ng2',
template: `
ngOnChangesCount: {{ ngOnChangesCount }} |
firstChangesCount: {{ firstChangesCount }} |
initialValue: {{ initialValue }}`
})
class Ng2Component implements OnChanges {
ngOnChangesCount = 0;
firstChangesCount = 0;
initialValue: string;
@Input() foo: string;
ngOnChanges(changes: SimpleChanges) {
this.ngOnChangesCount++;
if (this.ngOnChangesCount === 1) {
this.initialValue = this.foo;
}
if (changes['foo'] && changes['foo'].isFirstChange()) {
this.firstChangesCount++;
}
}
}
@NgModule({imports: [BrowserModule], declarations: [Ng2Component]})
class Ng2Module {
}
const ng1Module = angular.module('ng1', []).directive(
'ng2', adapter.downgradeNg2Component(Ng2Component));
const element = html(`
<ng2 [foo]="'foo'"></ng2>
<ng2 foo="bar"></ng2>
<ng2 [foo]="'baz'" ng-if="true"></ng2>
<ng2 foo="qux" ng-if="true"></ng2>
`);
adapter.bootstrap(element, ['ng1']).ready(ref => {
const nodes = element.querySelectorAll('ng2');
const expectedTextWith = (value: string) =>
`ngOnChangesCount: 1 | firstChangesCount: 1 | initialValue: ${value}`;
expect(multiTrim(nodes[0].textContent)).toBe(expectedTextWith('foo'));
expect(multiTrim(nodes[1].textContent)).toBe(expectedTextWith('bar'));
expect(multiTrim(nodes[2].textContent)).toBe(expectedTextWith('baz'));
expect(multiTrim(nodes[3].textContent)).toBe(expectedTextWith('qux'));
ref.dispose();
});
}));
it('should bind to ng-model', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
ng1Module.run(($rootScope: any /** TODO #9100 */) => { $rootScope.modelA = 'A'; });
let ng2Instance: Ng2;
@Component({selector: 'ng2', template: '{{_value}}'})
class Ng2 {
private _value: any = '';
private _onChangeCallback: (_: any) => void = () => {};
private _onTouchedCallback: () => void = () => {};
constructor() { ng2Instance = this; }
writeValue(value: any) { this._value = value; }
registerOnChange(fn: any) { this._onChangeCallback = fn; }
registerOnTouched(fn: any) { this._onTouchedCallback = fn; }
doTouch() { this._onTouchedCallback(); }
doChange(newValue: string) {
this._value = newValue;
this._onChangeCallback(newValue);
}
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2 ng-model="modelA"></ng2> | {{modelA}}</div>`);
@NgModule({
declarations: [Ng2],
imports: [BrowserModule],
schemas: [NO_ERRORS_SCHEMA],
})
class Ng2Module {
}
adapter.bootstrap(element, ['ng1']).ready((ref) => {
let $rootScope: any = ref.ng1RootScope;
expect(multiTrim(document.body.textContent)).toEqual('A | A');
$rootScope.modelA = 'B';
$rootScope.$apply();
expect(multiTrim(document.body.textContent)).toEqual('B | B');
ng2Instance.doChange('C');
expect($rootScope.modelA).toBe('C');
expect(multiTrim(document.body.textContent)).toEqual('C | C');
const downgradedElement = <Element>document.body.querySelector('ng2');
expect(downgradedElement.classList.contains('ng-touched')).toBe(false);
ng2Instance.doTouch();
$rootScope.$apply();
expect(downgradedElement.classList.contains('ng-touched')).toBe(true);
ref.dispose();
});
}));
it('should properly run cleanup when ng1 directive is destroyed', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const onDestroyed: EventEmitter<string> = new EventEmitter<string>();
ng1Module.directive('ng1', () => {
return {
template: '<div ng-if="!destroyIt"><ng2></ng2></div>',
controller: function($rootScope: any, $timeout: Function) {
$timeout(() => { $rootScope.destroyIt = true; });
}
};
});
@Component({selector: 'ng2', template: 'test'})
class Ng2 {
ngOnDestroy() { onDestroyed.emit('destroyed'); }
}
@NgModule({
declarations: [Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html('<ng1></ng1>');
adapter.bootstrap(element, ['ng1']).ready((ref) => {
onDestroyed.subscribe(() => { ref.dispose(); });
});
}));
it('should properly run cleanup with multiple levels of nesting', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let destroyed = false;
@Component(
{selector: 'ng2-outer', template: '<div *ngIf="!destroyIt"><ng1></ng1></div>'})
class Ng2OuterComponent {
@Input() destroyIt = false;
}
@Component({selector: 'ng2-inner', template: 'test'})
class Ng2InnerComponent implements OnDestroy {
ngOnDestroy() { destroyed = true; }
}
@NgModule({
imports: [BrowserModule],
declarations:
[Ng2InnerComponent, Ng2OuterComponent, adapter.upgradeNg1Component('ng1')],
schemas: [NO_ERRORS_SCHEMA],
})
class Ng2Module {
}
const ng1Module =
angular.module('ng1', [])
.directive('ng1', () => ({template: '<ng2-inner></ng2-inner>'}))
.directive('ng2Inner', adapter.downgradeNg2Component(Ng2InnerComponent))
.directive('ng2Outer', adapter.downgradeNg2Component(Ng2OuterComponent));
const element = html('<ng2-outer [destroy-it]="destroyIt"></ng2-outer>');
adapter.bootstrap(element, [ng1Module.name]).ready(ref => {
expect(element.textContent).toBe('test');
expect(destroyed).toBe(false);
$apply(ref, 'destroyIt = true');
expect(element.textContent).toBe('');
expect(destroyed).toBe(true);
});
}));
it('should fallback to the root ng2.injector when compiled outside the dom', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
ng1Module.directive('ng1', [
'$compile',
($compile: Function) => {
return {
link: function($scope: any, $element: any, $attrs: any) {
const compiled = $compile('<ng2></ng2>');
const template = compiled($scope);
$element.append(template);
}
};
}
]);
@Component({selector: 'ng2', template: 'test'})
class Ng2 {
}
@NgModule({
declarations: [Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html('<ng1></ng1>');
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('test');
ref.dispose();
});
}));
it('should support multi-slot projection', async(() => {
const ng1Module = angular.module('ng1', []);
@Component({
selector: 'ng2',
template: '2a(<ng-content select=".ng1a"></ng-content>)' +
'2b(<ng-content select=".ng1b"></ng-content>)'
})
class Ng2 {
}
@NgModule({declarations: [Ng2], imports: [BrowserModule]})
class Ng2Module {
}
// The ng-if on one of the projected children is here to make sure
// the correct slot is targeted even with structural directives in play.
const element = html(
'<ng2><div ng-if="true" class="ng1a">1a</div><div' +
' class="ng1b">1b</div></ng2>');
const adapter: UpgradeAdapter = new UpgradeAdapter(Ng2Module);
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(document.body.textContent).toEqual('2a(1a)2b(1b)');
ref.dispose();
});
}));
it('should correctly project structural directives', async(() => {
@Component({selector: 'ng2', template: 'ng2-{{ itemId }}(<ng-content></ng-content>)'})
class Ng2Component {
@Input() itemId: string;
}
@NgModule({imports: [BrowserModule], declarations: [Ng2Component]})
class Ng2Module {
}
const adapter: UpgradeAdapter = new UpgradeAdapter(Ng2Module);
const ng1Module = angular.module('ng1', [])
.directive('ng2', adapter.downgradeNg2Component(Ng2Component))
.run(($rootScope: angular.IRootScopeService) => {
$rootScope['items'] = [
{id: 'a', subitems: [1, 2, 3]}, {id: 'b', subitems: [4, 5, 6]},
{id: 'c', subitems: [7, 8, 9]}
];
});
const element = html(`
<ng2 ng-repeat="item in items" [item-id]="item.id">
<div ng-repeat="subitem in item.subitems">{{ subitem }}</div>
</ng2>
`);
adapter.bootstrap(element, [ng1Module.name]).ready(ref => {
expect(multiTrim(document.body.textContent))
.toBe('ng2-a( 123 )ng2-b( 456 )ng2-c( 789 )');
ref.dispose();
});
}));
it('should allow attribute selectors for components in ng2', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => MyNg2Module));
const ng1Module = angular.module('myExample', []);
@Component({selector: '[works]', template: 'works!'})
class WorksComponent {
}
@Component({selector: 'root-component', template: 'It <div works></div>'})
class RootComponent {
}
@NgModule({imports: [BrowserModule], declarations: [RootComponent, WorksComponent]})
class MyNg2Module {
}
ng1Module.directive('rootComponent', adapter.downgradeNg2Component(RootComponent));
document.body.innerHTML = '<root-component></root-component>';
adapter.bootstrap(document.body.firstElementChild !, ['myExample']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('It works!');
ref.dispose();
});
}));
});
describe('upgrade ng1 component', () => {
it('should support `@` bindings', fakeAsync(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let ng2ComponentInstance: Ng2Component;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template: 'Inside: {{ $ctrl.inputA }}, {{ $ctrl.inputB }}',
bindings: {inputA: '@inputAttrA', inputB: '@'}
};
// Define `Ng2Component`
@Component({
selector: 'ng2',
template: `
<ng1 inputAttrA="{{ dataA }}" inputB="{{ dataB }}"></ng1>
| Outside: {{ dataA }}, {{ dataB }}
`
})
class Ng2Component {
dataA = 'foo';
dataB = 'bar';
constructor() { ng2ComponentInstance = this; }
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component],
imports: [BrowserModule]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
const ng1 = element.querySelector('ng1') !;
const ng1Controller = angular.element(ng1).controller !('ng1');
expect(multiTrim(element.textContent)).toBe('Inside: foo, bar | Outside: foo, bar');
ng1Controller.inputA = 'baz';
ng1Controller.inputB = 'qux';
$digest(ref);
expect(multiTrim(element.textContent)).toBe('Inside: baz, qux | Outside: foo, bar');
ng2ComponentInstance.dataA = 'foo2';
ng2ComponentInstance.dataB = 'bar2';
$digest(ref);
expect(multiTrim(element.textContent))
.toBe('Inside: foo2, bar2 | Outside: foo2, bar2');
ref.dispose();
});
}));
it('should support `<` bindings', fakeAsync(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let ng2ComponentInstance: Ng2Component;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template: 'Inside: {{ $ctrl.inputA.value }}, {{ $ctrl.inputB.value }}',
bindings: {inputA: '<inputAttrA', inputB: '<'}
};
// Define `Ng2Component`
@Component({
selector: 'ng2',
template: `
<ng1 [inputAttrA]="dataA" [inputB]="dataB"></ng1>
| Outside: {{ dataA.value }}, {{ dataB.value }}
`
})
class Ng2Component {
dataA = {value: 'foo'};
dataB = {value: 'bar'};
constructor() { ng2ComponentInstance = this; }
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component],
imports: [BrowserModule]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
const ng1 = element.querySelector('ng1') !;
const ng1Controller = angular.element(ng1).controller !('ng1');
expect(multiTrim(element.textContent)).toBe('Inside: foo, bar | Outside: foo, bar');
ng1Controller.inputA = {value: 'baz'};
ng1Controller.inputB = {value: 'qux'};
$digest(ref);
expect(multiTrim(element.textContent)).toBe('Inside: baz, qux | Outside: foo, bar');
ng2ComponentInstance.dataA = {value: 'foo2'};
ng2ComponentInstance.dataB = {value: 'bar2'};
$digest(ref);
expect(multiTrim(element.textContent))
.toBe('Inside: foo2, bar2 | Outside: foo2, bar2');
ref.dispose();
});
}));
it('should support `=` bindings', fakeAsync(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let ng2ComponentInstance: Ng2Component;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template: 'Inside: {{ $ctrl.inputA.value }}, {{ $ctrl.inputB.value }}',
bindings: {inputA: '=inputAttrA', inputB: '='}
};
// Define `Ng2Component`
@Component({
selector: 'ng2',
template: `
<ng1 [(inputAttrA)]="dataA" [(inputB)]="dataB"></ng1>
| Outside: {{ dataA.value }}, {{ dataB.value }}
`
})
class Ng2Component {
dataA = {value: 'foo'};
dataB = {value: 'bar'};
constructor() { ng2ComponentInstance = this; }
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component],
imports: [BrowserModule]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
const ng1 = element.querySelector('ng1') !;
const ng1Controller = angular.element(ng1).controller !('ng1');
expect(multiTrim(element.textContent)).toBe('Inside: foo, bar | Outside: foo, bar');
ng1Controller.inputA = {value: 'baz'};
ng1Controller.inputB = {value: 'qux'};
$digest(ref);
expect(multiTrim(element.textContent)).toBe('Inside: baz, qux | Outside: baz, qux');
ng2ComponentInstance.dataA = {value: 'foo2'};
ng2ComponentInstance.dataB = {value: 'bar2'};
$digest(ref);
expect(multiTrim(element.textContent))
.toBe('Inside: foo2, bar2 | Outside: foo2, bar2');
ref.dispose();
});
}));
it('should support `&` bindings', fakeAsync(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template: 'Inside: -',
bindings: {outputA: '&outputAttrA', outputB: '&'}
};
// Define `Ng2Component`
@Component({
selector: 'ng2',
template: `
<ng1 (outputAttrA)="dataA = $event" (outputB)="dataB = $event"></ng1>
| Outside: {{ dataA }}, {{ dataB }}
`
})
class Ng2Component {
dataA = 'foo';
dataB = 'bar';
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component],
imports: [BrowserModule]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
const ng1 = element.querySelector('ng1') !;
const ng1Controller = angular.element(ng1).controller !('ng1');
expect(multiTrim(element.textContent)).toBe('Inside: - | Outside: foo, bar');
ng1Controller.outputA('baz');
ng1Controller.outputB('qux');
$digest(ref);
expect(multiTrim(element.textContent)).toBe('Inside: - | Outside: baz, qux');
ref.dispose();
});
}));
it('should bind properties, events', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
template: 'Hello {{fullName}}; A: {{modelA}}; B: {{modelB}}; C: {{modelC}}; | ',
scope: {fullName: '@', modelA: '=dataA', modelB: '=dataB', modelC: '=', event: '&'},
link: function(scope: any) {
scope.$watch('modelB', (v: string) => {
if (v == 'Savkin') {
scope.modelB = 'SAVKIN';
scope.event('WORKS');
// Should not update because [model-a] is uni directional
scope.modelA = 'VICTOR';
}
});
}
};
};
ng1Module.directive('ng1', ng1);
@Component({
selector: 'ng2',
template:
'<ng1 fullName="{{last}}, {{first}}, {{city}}" [dataA]="first" [(dataB)]="last" [modelC]="city" ' +
'(event)="event=$event"></ng1>' +
'<ng1 fullName="{{\'TEST\'}}" dataA="First" dataB="Last" modelC="City"></ng1>' +
'{{event}}-{{last}}, {{first}}, {{city}}'
})
class Ng2 {
first = 'Victor';
last = 'Savkin';
city = 'SF';
event = '?';
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
// we need to do setTimeout, because the EventEmitter uses setTimeout to schedule
// events, and so without this we would not see the events processed.
setTimeout(() => {
expect(multiTrim(document.body.textContent))
.toEqual(
'Hello SAVKIN, Victor, SF; A: VICTOR; B: SAVKIN; C: SF; | Hello TEST; A: First; B: Last; C: City; | WORKS-SAVKIN, Victor, SF');
ref.dispose();
}, 0);
});
}));
it('should bind optional properties', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
template: 'Hello; A: {{modelA}}; B: {{modelB}}; | ',
scope: {modelA: '=?dataA', modelB: '=?'}
};
};
ng1Module.directive('ng1', ng1);
@Component({
selector: 'ng2',
template: '<ng1 [dataA]="first" [modelB]="last"></ng1>' +
'<ng1 dataA="First" modelB="Last"></ng1>' +
'<ng1></ng1>' +
'<ng1></ng1>'
})
class Ng2 {
first = 'Victor';
last = 'Savkin';
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
// we need to do setTimeout, because the EventEmitter uses setTimeout to schedule
// events, and so without this we would not see the events processed.
setTimeout(() => {
expect(multiTrim(document.body.textContent))
.toEqual(
'Hello; A: Victor; B: Savkin; | Hello; A: First; B: Last; | Hello; A: ; B: ; | Hello; A: ; B: ; |');
ref.dispose();
}, 0);
});
}));
it('should bind properties, events in controller when bindToController is not used',
async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
restrict: 'E',
template: '{{someText}} - Length: {{data.length}}',
scope: {data: '='},
controller: function($scope: any) { $scope.someText = 'ng1 - Data: ' + $scope.data; }
};
};
ng1Module.directive('ng1', ng1);
@Component({
selector: 'ng2',
template:
'{{someText}} - Length: {{dataList.length}} | <ng1 [(data)]="dataList"></ng1>'
})
class Ng2 {
dataList = [1, 2, 3];
someText = 'ng2';
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
// we need to do setTimeout, because the EventEmitter uses setTimeout to schedule
// events, and so without this we would not see the events processed.
setTimeout(() => {
expect(multiTrim(document.body.textContent))
.toEqual('ng2 - Length: 3 | ng1 - Data: 1,2,3 - Length: 3');
ref.dispose();
}, 0);
});
}));
it('should bind properties, events in link function', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
restrict: 'E',
template: '{{someText}} - Length: {{data.length}}',
scope: {data: '='},
link: function($scope: any) { $scope.someText = 'ng1 - Data: ' + $scope.data; }
};
};
ng1Module.directive('ng1', ng1);
@Component({
selector: 'ng2',
template:
'{{someText}} - Length: {{dataList.length}} | <ng1 [(data)]="dataList"></ng1>'
})
class Ng2 {
dataList = [1, 2, 3];
someText = 'ng2';
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
// we need to do setTimeout, because the EventEmitter uses setTimeout to schedule
// events, and so without this we would not see the events processed.
setTimeout(() => {
expect(multiTrim(document.body.textContent))
.toEqual('ng2 - Length: 3 | ng1 - Data: 1,2,3 - Length: 3');
ref.dispose();
}, 0);
});
}));
it('should support templateUrl fetched from $httpBackend', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
ng1Module.value(
'$httpBackend', (method: string, url: string, post: any, cbFn: Function) => {
cbFn(200, `${method}:${url}`);
});
const ng1 = () => { return {templateUrl: 'url.html'}; };
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('GET:url.html');
ref.dispose();
});
}));
it('should support templateUrl as a function', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
ng1Module.value(
'$httpBackend', (method: string, url: string, post: any, cbFn: Function) => {
cbFn(200, `${method}:${url}`);
});
const ng1 = () => { return {templateUrl() { return 'url.html'; }}; };
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('GET:url.html');
ref.dispose();
});
}));
it('should support empty template', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => { return {template: ''}; };
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('');
ref.dispose();
});
}));
it('should support template as a function', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => { return {template() { return ''; }}; };
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('');
ref.dispose();
});
}));
it('should support templateUrl fetched from $templateCache', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
ng1Module.run(($templateCache: any) => $templateCache.put('url.html', 'WORKS'));
const ng1 = () => { return {templateUrl: 'url.html'}; };
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('WORKS');
ref.dispose();
});
}));
it('should support controller with controllerAs', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
scope: true,
template:
'{{ctl.scope}}; {{ctl.isClass}}; {{ctl.hasElement}}; {{ctl.isPublished()}}',
controllerAs: 'ctl',
controller: class {
scope: any; hasElement: string; $element: any; isClass: any;
constructor($scope: any, $element: any) {
this.verifyIAmAClass();
this.scope = $scope.$parent.$parent == $scope.$root ? 'scope' : 'wrong-scope';
this.hasElement = $element[0].nodeName;
this.$element = $element;
} verifyIAmAClass() { this.isClass = 'isClass'; } isPublished() {
return this.$element.controller('ng1') == this ? 'published' : 'not-published';
}
}
};
};
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('scope; isClass; NG1; published');
ref.dispose();
});
}));
it('should support bindToController', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
scope: {title: '@'},
bindToController: true,
template: '{{ctl.title}}',
controllerAs: 'ctl',
controller: class {}
};
};
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1 title="WORKS"></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('WORKS');
ref.dispose();
});
}));
it('should support bindToController with bindings', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
scope: {},
bindToController: {title: '@'},
template: '{{ctl.title}}',
controllerAs: 'ctl',
controller: class {}
};
};
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1 title="WORKS"></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('WORKS');
ref.dispose();
});
}));
it('should support single require in linking fn', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = ($rootScope: any) => {
return {
scope: {title: '@'},
bindToController: true,
template: '{{ctl.status}}',
require: 'ng1',
controllerAs: 'ctrl',
controller: class {status = 'WORKS';},
link: function(scope: any, element: any, attrs: any, linkController: any) {
expect(scope.$root).toEqual($rootScope);
expect(element[0].nodeName).toEqual('NG1');
expect(linkController.status).toEqual('WORKS');
scope.ctl = linkController;
}
};
};
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('WORKS');
ref.dispose();
});
}));
it('should support array require in linking fn', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const parent = () => { return {controller: class {parent = 'PARENT';}}; };
const ng1 = () => {
return {
scope: {title: '@'},
bindToController: true,
template: '{{parent.parent}}:{{ng1.status}}',
require: ['ng1', '^parent', '?^^notFound'],
controllerAs: 'ctrl',
controller: class {status = 'WORKS';},
link: function(scope: any, element: any, attrs: any, linkControllers: any) {
expect(linkControllers[0].status).toEqual('WORKS');
expect(linkControllers[1].parent).toEqual('PARENT');
expect(linkControllers[2]).toBe(undefined);
scope.ng1 = linkControllers[0];
scope.parent = linkControllers[1];
}
};
};
ng1Module.directive('parent', parent);
ng1Module.directive('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><parent><ng2></ng2></parent></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('PARENT:WORKS');
ref.dispose();
});
}));
describe('with lifecycle hooks', () => {
it('should call `$onInit()` on controller', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const $onInitSpyA = jasmine.createSpy('$onInitA');
const $onInitSpyB = jasmine.createSpy('$onInitB');
@Component({selector: 'ng2', template: '<ng1-a></ng1-a> | <ng1-b></ng1-b>'})
class Ng2Component {
}
angular.module('ng1', [])
.directive('ng1A', () => ({
template: '',
scope: {},
bindToController: true,
controllerAs: '$ctrl',
controller: class {$onInit() { $onInitSpyA(); }}
}))
.directive('ng1B', () => ({
template: '',
scope: {},
bindToController: false,
controllerAs: '$ctrl',
controller: function() { this.$onInit = $onInitSpyB; }
}))
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
@NgModule({
declarations: [
adapter.upgradeNg1Component('ng1A'), adapter.upgradeNg1Component('ng1B'),
Ng2Component
],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect($onInitSpyA).toHaveBeenCalled();
expect($onInitSpyB).toHaveBeenCalled();
ref.dispose();
});
}));
it('should not call `$onInit()` on scope', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const $onInitSpy = jasmine.createSpy('$onInit');
@Component({selector: 'ng2', template: '<ng1-a></ng1-a> | <ng1-b></ng1-b>'})
class Ng2Component {
}
angular.module('ng1', [])
.directive('ng1A', () => ({
template: '',
scope: {},
bindToController: true,
controllerAs: '$ctrl',
controller: function($scope: angular.IScope) {
Object.getPrototypeOf($scope).$onInit = $onInitSpy;
}
}))
.directive('ng1B', () => ({
template: '',
scope: {},
bindToController: false,
controllerAs: '$ctrl',
controller: function($scope: angular.IScope) {
$scope['$onInit'] = $onInitSpy;
}
}))
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
@NgModule({
declarations: [
adapter.upgradeNg1Component('ng1A'), adapter.upgradeNg1Component('ng1B'),
Ng2Component
],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect($onInitSpy).not.toHaveBeenCalled();
ref.dispose();
});
}));
it('should call `$doCheck()` on controller', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const $doCheckSpyA = jasmine.createSpy('$doCheckA');
const $doCheckSpyB = jasmine.createSpy('$doCheckB');
let changeDetector: ChangeDetectorRef;
@Component({selector: 'ng2', template: '<ng1-a></ng1-a> | <ng1-b></ng1-b>'})
class Ng2Component {
constructor(cd: ChangeDetectorRef) { changeDetector = cd; }
}
angular.module('ng1', [])
.directive('ng1A', () => ({
template: '',
scope: {},
bindToController: true,
controllerAs: '$ctrl',
controller: class {$doCheck() { $doCheckSpyA(); }}
}))
.directive('ng1B', () => ({
template: '',
scope: {},
bindToController: false,
controllerAs: '$ctrl',
controller: function() { this.$doCheck = $doCheckSpyB; }
}))
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
@NgModule({
declarations: [
adapter.upgradeNg1Component('ng1A'), adapter.upgradeNg1Component('ng1B'),
Ng2Component
],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect($doCheckSpyA).toHaveBeenCalled();
expect($doCheckSpyB).toHaveBeenCalled();
$doCheckSpyA.calls.reset();
$doCheckSpyB.calls.reset();
changeDetector.detectChanges();
expect($doCheckSpyA).toHaveBeenCalled();
expect($doCheckSpyB).toHaveBeenCalled();
ref.dispose();
});
}));
it('should not call `$doCheck()` on scope', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const $doCheckSpyA = jasmine.createSpy('$doCheckA');
const $doCheckSpyB = jasmine.createSpy('$doCheckB');
let changeDetector: ChangeDetectorRef;
@Component({selector: 'ng2', template: '<ng1-a></ng1-a> | <ng1-b></ng1-b>'})
class Ng2Component {
constructor(cd: ChangeDetectorRef) { changeDetector = cd; }
}
angular.module('ng1', [])
.directive('ng1A', () => ({
template: '',
scope: {},
bindToController: true,
controllerAs: '$ctrl',
controller: function($scope: angular.IScope) {
Object.getPrototypeOf($scope).$doCheck = $doCheckSpyA;
}
}))
.directive('ng1B', () => ({
template: '',
scope: {},
bindToController: false,
controllerAs: '$ctrl',
controller: function($scope: angular.IScope) {
$scope['$doCheck'] = $doCheckSpyB;
}
}))
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
@NgModule({
declarations: [
adapter.upgradeNg1Component('ng1A'), adapter.upgradeNg1Component('ng1B'),
Ng2Component
],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
$doCheckSpyA.calls.reset();
$doCheckSpyB.calls.reset();
changeDetector.detectChanges();
expect($doCheckSpyA).not.toHaveBeenCalled();
expect($doCheckSpyB).not.toHaveBeenCalled();
ref.dispose();
});
}));
it('should call `$postLink()` on controller', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const $postLinkSpyA = jasmine.createSpy('$postLinkA');
const $postLinkSpyB = jasmine.createSpy('$postLinkB');
@Component({selector: 'ng2', template: '<ng1-a></ng1-a> | <ng1-b></ng1-b>'})
class Ng2Component {
}
angular.module('ng1', [])
.directive('ng1A', () => ({
template: '',
scope: {},
bindToController: true,
controllerAs: '$ctrl',
controller: class {$postLink() { $postLinkSpyA(); }}
}))
.directive('ng1B', () => ({
template: '',
scope: {},
bindToController: false,
controllerAs: '$ctrl',
controller: function() { this.$postLink = $postLinkSpyB; }
}))
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
@NgModule({
declarations: [
adapter.upgradeNg1Component('ng1A'), adapter.upgradeNg1Component('ng1B'),
Ng2Component
],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect($postLinkSpyA).toHaveBeenCalled();
expect($postLinkSpyB).toHaveBeenCalled();
ref.dispose();
});
}));
it('should not call `$postLink()` on scope', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const $postLinkSpy = jasmine.createSpy('$postLink');
@Component({selector: 'ng2', template: '<ng1-a></ng1-a> | <ng1-b></ng1-b>'})
class Ng2Component {
}
angular.module('ng1', [])
.directive('ng1A', () => ({
template: '',
scope: {},
bindToController: true,
controllerAs: '$ctrl',
controller: function($scope: angular.IScope) {
Object.getPrototypeOf($scope).$postLink = $postLinkSpy;
}
}))
.directive('ng1B', () => ({
template: '',
scope: {},
bindToController: false,
controllerAs: '$ctrl',
controller: function($scope: angular.IScope) {
$scope['$postLink'] = $postLinkSpy;
}
}))
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
@NgModule({
declarations: [
adapter.upgradeNg1Component('ng1A'), adapter.upgradeNg1Component('ng1B'),
Ng2Component
],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect($postLinkSpy).not.toHaveBeenCalled();
ref.dispose();
});
}));
it('should call `$onChanges()` on binding destination', fakeAsync(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const $onChangesControllerSpyA = jasmine.createSpy('$onChangesControllerA');
const $onChangesControllerSpyB = jasmine.createSpy('$onChangesControllerB');
const $onChangesScopeSpy = jasmine.createSpy('$onChangesScope');
let ng2Instance: any;
@Component({
selector: 'ng2',
template: '<ng1-a [valA]="val"></ng1-a> | <ng1-b [valB]="val"></ng1-b>'
})
class Ng2Component {
constructor() { ng2Instance = this; }
}
angular.module('ng1', [])
.directive('ng1A', () => ({
template: '',
scope: {valA: '<'},
bindToController: true,
controllerAs: '$ctrl',
controller: function($scope: angular.IScope) {
this.$onChanges = $onChangesControllerSpyA;
}
}))
.directive(
'ng1B',
() => ({
template: '',
scope: {valB: '<'},
bindToController: false,
controllerAs: '$ctrl',
controller: class {
$onChanges(changes: SimpleChanges) { $onChangesControllerSpyB(changes); }
}
}))
.directive('ng2', adapter.downgradeNg2Component(Ng2Component))
.run(($rootScope: angular.IRootScopeService) => {
Object.getPrototypeOf($rootScope).$onChanges = $onChangesScopeSpy;
});
@NgModule({
declarations: [
adapter.upgradeNg1Component('ng1A'), adapter.upgradeNg1Component('ng1B'),
Ng2Component
],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
// Initial `$onChanges()` call
tick();
expect($onChangesControllerSpyA.calls.count()).toBe(1);
expect($onChangesControllerSpyA.calls.argsFor(0)[0]).toEqual({
valA: jasmine.any(SimpleChange)
});
expect($onChangesControllerSpyB).not.toHaveBeenCalled();
expect($onChangesScopeSpy.calls.count()).toBe(1);
expect($onChangesScopeSpy.calls.argsFor(0)[0]).toEqual({
valB: jasmine.any(SimpleChange)
});
$onChangesControllerSpyA.calls.reset();
$onChangesControllerSpyB.calls.reset();
$onChangesScopeSpy.calls.reset();
// `$onChanges()` call after a change
ng2Instance.val = 'new value';
tick();
ref.ng1RootScope.$digest();
expect($onChangesControllerSpyA.calls.count()).toBe(1);
expect($onChangesControllerSpyA.calls.argsFor(0)[0]).toEqual({
valA: jasmine.objectContaining({currentValue: 'new value'})
});
expect($onChangesControllerSpyB).not.toHaveBeenCalled();
expect($onChangesScopeSpy.calls.count()).toBe(1);
expect($onChangesScopeSpy.calls.argsFor(0)[0]).toEqual({
valB: jasmine.objectContaining({currentValue: 'new value'})
});
ref.dispose();
});
}));
it('should call `$onDestroy()` on controller', fakeAsync(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const $onDestroySpyA = jasmine.createSpy('$onDestroyA');
const $onDestroySpyB = jasmine.createSpy('$onDestroyB');
let ng2ComponentInstance: Ng2Component;
@Component({
selector: 'ng2',
template: `
<div *ngIf="!ng2Destroy">
<ng1-a></ng1-a> | <ng1-b></ng1-b>
</div>
`
})
class Ng2Component {
ng2Destroy: boolean = false;
constructor() { ng2ComponentInstance = this; }
}
// On browsers that don't support `requestAnimationFrame` (IE 9, Android <= 4.3),
// `$animate` will use `setTimeout(..., 16.6)` instead. This timeout will still be
// on
// the queue at the end of the test, causing it to fail.
// Mocking animations (via `ngAnimateMock`) avoids the issue.
angular.module('ng1', ['ngAnimateMock'])
.directive('ng1A', () => ({
template: '',
scope: {},
bindToController: true,
controllerAs: '$ctrl',
controller: class {$onDestroy() { $onDestroySpyA(); }}
}))
.directive('ng1B', () => ({
template: '',
scope: {},
bindToController: false,
controllerAs: '$ctrl',
controller: function() { this.$onDestroy = $onDestroySpyB; }
}))
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
@NgModule({
declarations: [
adapter.upgradeNg1Component('ng1A'), adapter.upgradeNg1Component('ng1B'),
Ng2Component
],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div ng-if="!ng1Destroy"><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
const $rootScope = ref.ng1RootScope as any;
$rootScope.ng1Destroy = false;
tick();
$rootScope.$digest();
expect($onDestroySpyA).not.toHaveBeenCalled();
expect($onDestroySpyB).not.toHaveBeenCalled();
$rootScope.ng1Destroy = true;
tick();
$rootScope.$digest();
expect($onDestroySpyA).toHaveBeenCalled();
expect($onDestroySpyB).toHaveBeenCalled();
$onDestroySpyA.calls.reset();
$onDestroySpyB.calls.reset();
$rootScope.ng1Destroy = false;
tick();
$rootScope.$digest();
expect($onDestroySpyA).not.toHaveBeenCalled();
expect($onDestroySpyB).not.toHaveBeenCalled();
ng2ComponentInstance.ng2Destroy = true;
tick();
$rootScope.$digest();
expect($onDestroySpyA).toHaveBeenCalled();
expect($onDestroySpyB).toHaveBeenCalled();
ref.dispose();
});
}));
it('should not call `$onDestroy()` on scope', fakeAsync(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const $onDestroySpy = jasmine.createSpy('$onDestroy');
let ng2ComponentInstance: Ng2Component;
@Component({
selector: 'ng2',
template: `
<div *ngIf="!ng2Destroy">
<ng1-a></ng1-a> | <ng1-b></ng1-b>
</div>
`
})
class Ng2Component {
ng2Destroy: boolean = false;
constructor() { ng2ComponentInstance = this; }
}
// On browsers that don't support `requestAnimationFrame` (IE 9, Android <= 4.3),
// `$animate` will use `setTimeout(..., 16.6)` instead. This timeout will still be
// on
// the queue at the end of the test, causing it to fail.
// Mocking animations (via `ngAnimateMock`) avoids the issue.
angular.module('ng1', ['ngAnimateMock'])
.directive('ng1A', () => ({
template: '',
scope: {},
bindToController: true,
controllerAs: '$ctrl',
controller: function($scope: angular.IScope) {
Object.getPrototypeOf($scope).$onDestroy = $onDestroySpy;
}
}))
.directive('ng1B', () => ({
template: '',
scope: {},
bindToController: false,
controllerAs: '$ctrl',
controller: function($scope: angular.IScope) {
$scope['$onDestroy'] = $onDestroySpy;
}
}))
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
@NgModule({
declarations: [
adapter.upgradeNg1Component('ng1A'), adapter.upgradeNg1Component('ng1B'),
Ng2Component
],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div ng-if="!ng1Destroy"><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
const $rootScope = ref.ng1RootScope as any;
$rootScope.ng1Destroy = false;
tick();
$rootScope.$digest();
$rootScope.ng1Destroy = true;
tick();
$rootScope.$digest();
$rootScope.ng1Destroy = false;
tick();
$rootScope.$digest();
ng2ComponentInstance.ng2Destroy = true;
tick();
$rootScope.$digest();
expect($onDestroySpy).not.toHaveBeenCalled();
ref.dispose();
});
}));
});
describe('linking', () => {
it('should run the pre-linking after instantiating the controller', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const log: string[] = [];
// Define `ng1Directive`
const ng1Directive: angular.IDirective = {
template: '',
link: {pre: () => log.push('ng1-pre')},
controller: class {constructor() { log.push('ng1-ctrl'); }}
};
// Define `Ng2Component`
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2Component {
}
// Define `ng1Module`
const ng1Module = angular.module('ng1', [])
.directive('ng1', () => ng1Directive)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1']).ready(() => {
expect(log).toEqual(['ng1-ctrl', 'ng1-pre']);
});
}));
it('should run the pre-linking function before linking', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const log: string[] = [];
// Define `ng1Directive`
const ng1DirectiveA: angular.IDirective = {
template: '<ng1-b></ng1-b>',
link: {pre: () => log.push('ng1A-pre')}
};
const ng1DirectiveB: angular.IDirective = {link: () => log.push('ng1B-post')};
// Define `Ng2Component`
@Component({selector: 'ng2', template: '<ng1-a></ng1-a>'})
class Ng2Component {
}
// Define `ng1Module`
const ng1Module = angular.module('ng1', [])
.directive('ng1A', () => ng1DirectiveA)
.directive('ng1B', () => ng1DirectiveB)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1A'), Ng2Component],
schemas: [NO_ERRORS_SCHEMA]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1']).ready(() => {
expect(log).toEqual(['ng1A-pre', 'ng1B-post']);
});
}));
it('should run the post-linking function after linking (link: object)', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const log: string[] = [];
// Define `ng1Directive`
const ng1DirectiveA: angular.IDirective = {
template: '<ng1-b></ng1-b>',
link: {post: () => log.push('ng1A-post')}
};
const ng1DirectiveB: angular.IDirective = {link: () => log.push('ng1B-post')};
// Define `Ng2Component`
@Component({selector: 'ng2', template: '<ng1-a></ng1-a>'})
class Ng2Component {
}
// Define `ng1Module`
const ng1Module = angular.module('ng1', [])
.directive('ng1A', () => ng1DirectiveA)
.directive('ng1B', () => ng1DirectiveB)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1A'), Ng2Component],
schemas: [NO_ERRORS_SCHEMA]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1']).ready(() => {
expect(log).toEqual(['ng1B-post', 'ng1A-post']);
});
}));
it('should run the post-linking function after linking (link: function)', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const log: string[] = [];
// Define `ng1Directive`
const ng1DirectiveA: angular.IDirective = {
template: '<ng1-b></ng1-b>',
link: () => log.push('ng1A-post')
};
const ng1DirectiveB: angular.IDirective = {link: () => log.push('ng1B-post')};
// Define `Ng2Component`
@Component({selector: 'ng2', template: '<ng1-a></ng1-a>'})
class Ng2Component {
}
// Define `ng1Module`
const ng1Module = angular.module('ng1', [])
.directive('ng1A', () => ng1DirectiveA)
.directive('ng1B', () => ng1DirectiveB)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1A'), Ng2Component],
schemas: [NO_ERRORS_SCHEMA]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1']).ready(() => {
expect(log).toEqual(['ng1B-post', 'ng1A-post']);
});
}));
it('should run the post-linking function before `$postLink`', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const log: string[] = [];
// Define `ng1Directive`
const ng1Directive: angular.IDirective = {
template: '',
link: () => log.push('ng1-post'),
controller: class {$postLink() { log.push('ng1-$post'); }}
};
// Define `Ng2Component`
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2Component {
}
// Define `ng1Module`
const ng1Module = angular.module('ng1', [])
.directive('ng1', () => ng1Directive)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1']).ready(() => {
expect(log).toEqual(['ng1-post', 'ng1-$post']);
});
}));
});
describe('transclusion', () => {
it('should support single-slot transclusion', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let ng2ComponentAInstance: Ng2ComponentA;
let ng2ComponentBInstance: Ng2ComponentB;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template: 'ng1(<div ng-transclude></div>)',
transclude: true
};
// Define `Ng2Component`
@Component({
selector: 'ng2A',
template: 'ng2A(<ng1>{{ value }} | <ng2B *ngIf="showB"></ng2B></ng1>)'
})
class Ng2ComponentA {
value = 'foo';
showB = false;
constructor() { ng2ComponentAInstance = this; }
}
@Component({selector: 'ng2B', template: 'ng2B({{ value }})'})
class Ng2ComponentB {
value = 'bar';
constructor() { ng2ComponentBInstance = this; }
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2A', adapter.downgradeNg2Component(Ng2ComponentA));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1'), Ng2ComponentA, Ng2ComponentB]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2-a></ng2-a>`);
adapter.bootstrap(element, ['ng1Module']).ready((ref) => {
expect(multiTrim(element.textContent)).toBe('ng2A(ng1(foo | ))');
ng2ComponentAInstance.value = 'baz';
ng2ComponentAInstance.showB = true;
$digest(ref);
expect(multiTrim(element.textContent)).toBe('ng2A(ng1(baz | ng2B(bar)))');
ng2ComponentBInstance.value = 'qux';
$digest(ref);
expect(multiTrim(element.textContent)).toBe('ng2A(ng1(baz | ng2B(qux)))');
});
}));
it('should support single-slot transclusion with fallback content', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let ng1ControllerInstances: any[] = [];
let ng2ComponentInstance: Ng2Component;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template: 'ng1(<div ng-transclude>{{ $ctrl.value }}</div>)',
transclude: true,
controller: class {
value = 'from-ng1'; constructor() { ng1ControllerInstances.push(this); }
}
};
// Define `Ng2Component`
@Component({
selector: 'ng2',
template: `
ng2(
<ng1><div>{{ value }}</div></ng1> |
<!-- Interpolation-only content should still be detected as transcluded content. -->
<ng1>{{ value }}</ng1> |
<ng1></ng1>
)`
})
class Ng2Component {
value = 'from-ng2';
constructor() { ng2ComponentInstance = this; }
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
expect(multiTrim(element.textContent, true))
.toBe('ng2(ng1(from-ng2)|ng1(from-ng2)|ng1(from-ng1))');
ng1ControllerInstances.forEach(ctrl => ctrl.value = 'ng1-foo');
ng2ComponentInstance.value = 'ng2-bar';
$digest(ref);
expect(multiTrim(element.textContent, true))
.toBe('ng2(ng1(ng2-bar)|ng1(ng2-bar)|ng1(ng1-foo))');
});
}));
it('should support multi-slot transclusion', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let ng2ComponentInstance: Ng2Component;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template:
'ng1(x(<div ng-transclude="slotX"></div>) | y(<div ng-transclude="slotY"></div>))',
transclude: {slotX: 'contentX', slotY: 'contentY'}
};
// Define `Ng2Component`
@Component({
selector: 'ng2',
template: `
ng2(
<ng1>
<content-x>{{ x }}1</content-x>
<content-y>{{ y }}1</content-y>
<content-x>{{ x }}2</content-x>
<content-y>{{ y }}2</content-y>
</ng1>
)`
})
class Ng2Component {
x = 'foo';
y = 'bar';
constructor() { ng2ComponentInstance = this; }
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component],
schemas: [NO_ERRORS_SCHEMA]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
expect(multiTrim(element.textContent, true))
.toBe('ng2(ng1(x(foo1foo2)|y(bar1bar2)))');
ng2ComponentInstance.x = 'baz';
ng2ComponentInstance.y = 'qux';
$digest(ref);
expect(multiTrim(element.textContent, true))
.toBe('ng2(ng1(x(baz1baz2)|y(qux1qux2)))');
});
}));
it('should support default slot (with fallback content)', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let ng1ControllerInstances: any[] = [];
let ng2ComponentInstance: Ng2Component;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template: 'ng1(default(<div ng-transclude="">fallback-{{ $ctrl.value }}</div>))',
transclude: {slotX: 'contentX', slotY: 'contentY'},
controller:
class {value = 'ng1'; constructor() { ng1ControllerInstances.push(this); }}
};
// Define `Ng2Component`
@Component({
selector: 'ng2',
template: `
ng2(
<ng1>
({{ x }})
<content-x>ignored x</content-x>
{{ x }}-<span>{{ y }}</span>
<content-y>ignored y</content-y>
<span>({{ y }})</span>
</ng1> |
<!--
Remove any whitespace, because in AngularJS versions prior to 1.6
even whitespace counts as transcluded content.
-->
<ng1><content-x>ignored x</content-x><content-y>ignored y</content-y></ng1> |
<!--
Interpolation-only content should still be detected as transcluded content.
-->
<ng1>{{ x }}<content-x>ignored x</content-x>{{ y + x }}<content-y>ignored y</content-y>{{ y }}</ng1>
)`
})
class Ng2Component {
x = 'foo';
y = 'bar';
constructor() { ng2ComponentInstance = this; }
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component],
schemas: [NO_ERRORS_SCHEMA]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
expect(multiTrim(element.textContent, true))
.toBe(
'ng2(ng1(default((foo)foo-bar(bar)))|ng1(default(fallback-ng1))|ng1(default(foobarfoobar)))');
ng1ControllerInstances.forEach(ctrl => ctrl.value = 'ng1-plus');
ng2ComponentInstance.x = 'baz';
ng2ComponentInstance.y = 'qux';
$digest(ref);
expect(multiTrim(element.textContent, true))
.toBe(
'ng2(ng1(default((baz)baz-qux(qux)))|ng1(default(fallback-ng1-plus))|ng1(default(bazquxbazqux)))');
});
}));
it('should support optional transclusion slots (with fallback content)', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let ng1ControllerInstances: any[] = [];
let ng2ComponentInstance: Ng2Component;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template: `
ng1(
x(<div ng-transclude="slotX">{{ $ctrl.x }}</div>) |
y(<div ng-transclude="slotY">{{ $ctrl.y }}</div>)
)`,
transclude: {slotX: '?contentX', slotY: '?contentY'},
controller: class {
x = 'ng1X'; y = 'ng1Y'; constructor() { ng1ControllerInstances.push(this); }
}
};
// Define `Ng2Component`
@Component({
selector: 'ng2',
template: `
ng2(
<ng1><content-x>{{ x }}</content-x></ng1> |
<ng1><content-y>{{ y }}</content-y></ng1>
)`
})
class Ng2Component {
x = 'ng2X';
y = 'ng2Y';
constructor() { ng2ComponentInstance = this; }
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component],
schemas: [NO_ERRORS_SCHEMA]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
expect(multiTrim(element.textContent, true))
.toBe('ng2(ng1(x(ng2X)|y(ng1Y))|ng1(x(ng1X)|y(ng2Y)))');
ng1ControllerInstances.forEach(ctrl => {
ctrl.x = 'ng1X-foo';
ctrl.y = 'ng1Y-bar';
});
ng2ComponentInstance.x = 'ng2X-baz';
ng2ComponentInstance.y = 'ng2Y-qux';
$digest(ref);
expect(multiTrim(element.textContent, true))
.toBe('ng2(ng1(x(ng2X-baz)|y(ng1Y-bar))|ng1(x(ng1X-foo)|y(ng2Y-qux)))');
});
}));
it('should throw if a non-optional slot is not filled', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let errorMessage: string;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template: '',
transclude: {slotX: '?contentX', slotY: 'contentY'}
};
// Define `Ng2Component`
@Component({selector: 'ng2', template: '<ng1></ng1>'})
class Ng2Component {
}
// Define `ng1Module`
const ng1Module =
angular.module('ng1Module', [])
.value('$exceptionHandler', (error: Error) => errorMessage = error.message)
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
expect(errorMessage)
.toContain('Required transclusion slot \'slotY\' on directive: ng1');
});
}));
it('should support structural directives in transcluded content', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
let ng2ComponentInstance: Ng2Component;
// Define `ng1Component`
const ng1Component: angular.IComponent = {
template:
'ng1(x(<div ng-transclude="slotX"></div>) | default(<div ng-transclude=""></div>))',
transclude: {slotX: 'contentX'}
};
// Define `Ng2Component`
@Component({
selector: 'ng2',
template: `
ng2(
<ng1>
<content-x><div *ngIf="show">{{ x }}1</div></content-x>
<div *ngIf="!show">{{ y }}1</div>
<content-x><div *ngIf="!show">{{ x }}2</div></content-x>
<div *ngIf="show">{{ y }}2</div>
</ng1>
)`
})
class Ng2Component {
x = 'foo';
y = 'bar';
show = true;
constructor() { ng2ComponentInstance = this; }
}
// Define `ng1Module`
const ng1Module = angular.module('ng1Module', [])
.component('ng1', ng1Component)
.directive('ng2', adapter.downgradeNg2Component(Ng2Component));
// Define `Ng2Module`
@NgModule({
imports: [BrowserModule],
declarations: [adapter.upgradeNg1Component('ng1'), Ng2Component],
schemas: [NO_ERRORS_SCHEMA]
})
class Ng2Module {
}
// Bootstrap
const element = html(`<ng2></ng2>`);
adapter.bootstrap(element, ['ng1Module']).ready(ref => {
expect(multiTrim(element.textContent, true)).toBe('ng2(ng1(x(foo1)|default(bar2)))');
ng2ComponentInstance.x = 'baz';
ng2ComponentInstance.y = 'qux';
ng2ComponentInstance.show = false;
$digest(ref);
expect(multiTrim(element.textContent, true)).toBe('ng2(ng1(x(baz2)|default(qux1)))');
ng2ComponentInstance.show = true;
$digest(ref);
expect(multiTrim(element.textContent, true)).toBe('ng2(ng1(x(baz1)|default(qux2)))');
});
}));
});
it('should bind input properties (<) of components', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = {
bindings: {personProfile: '<'},
template: 'Hello {{$ctrl.personProfile.firstName}} {{$ctrl.personProfile.lastName}}',
controller: class {}
};
ng1Module.component('ng1', ng1);
@Component({selector: 'ng2', template: '<ng1 [personProfile]="goku"></ng1>'})
class Ng2 {
goku = {firstName: 'GOKU', lastName: 'SAN'};
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual(`Hello GOKU SAN`);
ref.dispose();
});
}));
it('should support ng2 > ng1 > ng2', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = {
template: 'ng1(<ng2b></ng2b>)',
};
ng1Module.component('ng1', ng1);
@Component({selector: 'ng2a', template: 'ng2a(<ng1></ng1>)'})
class Ng2a {
}
ng1Module.directive('ng2a', adapter.downgradeNg2Component(Ng2a));
@Component({selector: 'ng2b', template: 'ng2b'})
class Ng2b {
}
ng1Module.directive('ng2b', adapter.downgradeNg2Component(Ng2b));
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2a, Ng2b],
imports: [BrowserModule],
})
class Ng2Module {
}
const element = html(`<div><ng2a></ng2a></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('ng2a(ng1(ng2b))');
});
}));
});
describe('injection', () => {
function SomeToken() {}
it('should export ng2 instance to ng1', async(() => {
@NgModule({
providers: [{provide: SomeToken, useValue: 'correct_value'}],
imports: [BrowserModule],
})
class MyNg2Module {
}
const adapter: UpgradeAdapter = new UpgradeAdapter(MyNg2Module);
const module = angular.module('myExample', []);
module.factory('someToken', adapter.downgradeNg2Provider(SomeToken));
adapter.bootstrap(html('<div>'), ['myExample']).ready((ref) => {
expect(ref.ng1Injector.get('someToken')).toBe('correct_value');
ref.dispose();
});
}));
it('should export ng1 instance to ng2', async(() => {
@NgModule({imports: [BrowserModule]})
class MyNg2Module {
}
const adapter: UpgradeAdapter = new UpgradeAdapter(MyNg2Module);
const module = angular.module('myExample', []);
module.value('testValue', 'secreteToken');
adapter.upgradeNg1Provider('testValue');
adapter.upgradeNg1Provider('testValue', {asToken: 'testToken'});
adapter.upgradeNg1Provider('testValue', {asToken: String});
adapter.bootstrap(html('<div>'), ['myExample']).ready((ref) => {
expect(ref.ng2Injector.get('testValue')).toBe('secreteToken');
expect(ref.ng2Injector.get(String)).toBe('secreteToken');
expect(ref.ng2Injector.get('testToken')).toBe('secreteToken');
ref.dispose();
});
}));
it('should respect hierarchical dependency injection for ng2', async(() => {
const ng1Module = angular.module('ng1', []);
@Component({selector: 'ng2-parent', template: `ng2-parent(<ng-content></ng-content>)`})
class Ng2Parent {
}
@Component({selector: 'ng2-child', template: `ng2-child`})
class Ng2Child {
constructor(parent: Ng2Parent) {}
}
@NgModule({declarations: [Ng2Parent, Ng2Child], imports: [BrowserModule]})
class Ng2Module {
}
const element = html('<ng2-parent><ng2-child></ng2-child></ng2-parent>');
const adapter: UpgradeAdapter = new UpgradeAdapter(Ng2Module);
ng1Module.directive('ng2Parent', adapter.downgradeNg2Component(Ng2Parent))
.directive('ng2Child', adapter.downgradeNg2Component(Ng2Child));
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(document.body.textContent).toEqual('ng2-parent(ng2-child)');
ref.dispose();
});
}));
});
describe('testability', () => {
it('should handle deferred bootstrap', async(() => {
@NgModule({imports: [BrowserModule]})
class MyNg2Module {
}
const adapter: UpgradeAdapter = new UpgradeAdapter(MyNg2Module);
angular.module('ng1', []);
let bootstrapResumed: boolean = false;
const element = html('<div></div>');
window.name = 'NG_DEFER_BOOTSTRAP!' + window.name;
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(bootstrapResumed).toEqual(true);
ref.dispose();
});
setTimeout(() => {
bootstrapResumed = true;
(<any>window).angular.resumeBootstrap();
}, 100);
}));
it('should propagate return value of resumeBootstrap', fakeAsync(() => {
@NgModule({imports: [BrowserModule]})
class MyNg2Module {
}
const adapter: UpgradeAdapter = new UpgradeAdapter(MyNg2Module);
const ng1Module = angular.module('ng1', []);
let a1Injector: angular.IInjectorService|undefined;
ng1Module.run([
'$injector', function($injector: angular.IInjectorService) { a1Injector = $injector; }
]);
const element = html('<div></div>');
window.name = 'NG_DEFER_BOOTSTRAP!' + window.name;
adapter.bootstrap(element, [ng1Module.name]).ready((ref) => { ref.dispose(); });
tick(100);
const value = (<any>window).angular.resumeBootstrap();
expect(value).toBe(a1Injector);
}));
it('should wait for ng2 testability', async(() => {
@NgModule({imports: [BrowserModule]})
class MyNg2Module {
}
const adapter: UpgradeAdapter = new UpgradeAdapter(MyNg2Module);
angular.module('ng1', []);
const element = html('<div></div>');
adapter.bootstrap(element, ['ng1']).ready((ref) => {
const ng2Testability: Testability = ref.ng2Injector.get(Testability);
ng2Testability.increasePendingRequestCount();
let ng2Stable = false;
angular.getTestability(element).whenStable(() => {
expect(ng2Stable).toEqual(true);
ref.dispose();
});
setTimeout(() => {
ng2Stable = true;
ng2Testability.decreasePendingRequestCount();
}, 100);
});
}));
});
describe('examples', () => {
it('should verify UpgradeAdapter example', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const module = angular.module('myExample', []);
const ng1 = () => {
return {
scope: {title: '='},
transclude: true,
template: 'ng1[Hello {{title}}!](<span ng-transclude></span>)'
};
};
module.directive('ng1', ng1);
@Component({
selector: 'ng2',
inputs: ['name'],
template: 'ng2[<ng1 [title]="name">transclude</ng1>](<ng-content></ng-content>)'
})
class Ng2 {
}
@NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
})
class Ng2Module {
}
module.directive('ng2', adapter.downgradeNg2Component(Ng2));
document.body.innerHTML = '<ng2 name="World">project</ng2>';
adapter.bootstrap(document.body.firstElementChild !, ['myExample']).ready((ref) => {
expect(multiTrim(document.body.textContent))
.toEqual('ng2[ng1[Hello World!](transclude)](project)');
ref.dispose();
});
}));
});
describe('registerForNg1Tests', () => {
let upgradeAdapterRef: UpgradeAdapterRef;
let $compile: angular.ICompileService;
let $rootScope: angular.IRootScopeService;
beforeEach(() => {
const ng1Module = angular.module('ng1', []);
@Component({
selector: 'ng2',
template: 'Hello World',
})
class Ng2 {
}
@NgModule({declarations: [Ng2], imports: [BrowserModule]})
class Ng2Module {
}
const upgradeAdapter = new UpgradeAdapter(Ng2Module);
ng1Module.directive('ng2', upgradeAdapter.downgradeNg2Component(Ng2));
upgradeAdapterRef = upgradeAdapter.registerForNg1Tests(['ng1']);
});
beforeEach(() => {
inject((_$compile_: angular.ICompileService, _$rootScope_: angular.IRootScopeService) => {
$compile = _$compile_;
$rootScope = _$rootScope_;
});
});
it('should be able to test ng1 components that use ng2 components', async(() => {
upgradeAdapterRef.ready(() => {
const element = $compile('<ng2></ng2>')($rootScope);
$rootScope.$digest();
expect(element[0].textContent).toContain('Hello World');
});
}));
});
});
});