angular-docs-cn/modules/@angular/upgrade/test/dynamic/upgrade_spec.ts

1930 lines
80 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, Class, Component, EventEmitter, Input, NO_ERRORS_SCHEMA, NgModule, NgZone, 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, sortProjectableNodes} from '@angular/upgrade/src/dynamic/upgrade_adapter';
import {html, multiTrim} from './test_helpers';
export function main() {
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', []);
const Ng2 = Component({
selector: 'ng2',
template: `{{ 'NG2' }}(<ng-content></ng-content>)`,
}).Class({constructor: function() {}});
const Ng2Module = NgModule({declarations: [Ng2], imports: [BrowserModule]}).Class({
constructor: function() {}
});
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', []);
const Ng2 = Component({
selector: 'ng2',
template: `{{ 'ng2(' }}<ng1>{{'transclude'}}</ng1>{{ ')' }}`,
}).Class({constructor: function Ng2() {}});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function 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, '_bootstrapModuleWithZone').and.callThrough();
const ng1Module = angular.module('ng1', []);
const Ng2 = Component({
selector: 'ng2',
template: `{{ 'NG2' }}(<ng-content></ng-content>)`
}).Class({constructor: function() {}});
const element =
html('<div>{{ \'ng1[\' }}<ng2>~{{ \'ng-content\' }}~</ng2>{{ \']\' }}</div>');
const Ng2AppModule =
NgModule({
declarations: [Ng2],
imports: [BrowserModule],
}).Class({constructor: function Ng2AppModule() {}, ngDoBootstrap: function() {}});
const adapter: UpgradeAdapter = new UpgradeAdapter(Ng2AppModule, {providers: []});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect((platformRef as any)._bootstrapModuleWithZone)
.toHaveBeenCalledWith(
jasmine.any(Function), {providers: []}, jasmine.any(Object),
jasmine.any(Function));
ref.dispose();
});
}));
});
describe('bootstrap errors', () => {
let adapter: UpgradeAdapter;
beforeEach(() => {
angular.module('ng1', []);
const ng2Component = Component({
selector: 'ng2',
template: `<BAD TEMPLATE div></div>`,
}).Class({constructor: function() {}});
const Ng2Module = NgModule({
declarations: [ng2Component],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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;
});
const Ng2 = Component({
selector: 'ng2',
template: `{{l('2A')}}<ng1a></ng1a>{{l('2B')}}<ng1b></ng1b>{{l('2C')}}`
}).Class({constructor: function() { this.l = l; }});
const Ng2Module =
NgModule({
declarations: [
adapter.upgradeNg1Component('ng1a'), adapter.upgradeNg1Component('ng1b'), Ng2
],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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 bind properties, events', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
ng1Module.run(($rootScope: any) => {
$rootScope.dataA = 'A';
$rootScope.dataB = 'B';
$rootScope.modelA = 'initModelA';
$rootScope.modelB = 'initModelB';
$rootScope.eventA = '?';
$rootScope.eventB = '?';
});
const Ng2 = Component({
selector: 'ng2',
inputs:
['literal', 'interpolate', 'oneWayA', 'oneWayB', 'twoWayA', 'twoWayB'],
outputs: [
'eventA', 'eventB', 'twoWayAEmitter: twoWayAChange',
'twoWayBEmitter: twoWayBChange'
],
template: 'ignore: {{ignore}}; ' +
'literal: {{literal}}; interpolate: {{interpolate}}; ' +
'oneWayA: {{oneWayA}}; oneWayB: {{oneWayB}}; ' +
'twoWayA: {{twoWayA}}; twoWayB: {{twoWayB}}; ({{ngOnChangesCount}})'
}).Class({
constructor: function() {
this.ngOnChangesCount = 0;
this.ignore = '-';
this.literal = '?';
this.interpolate = '?';
this.oneWayA = '?';
this.oneWayB = '?';
this.twoWayA = '?';
this.twoWayB = '?';
this.eventA = new EventEmitter();
this.eventB = new EventEmitter();
this.twoWayAEmitter = new EventEmitter();
this.twoWayBEmitter = new EventEmitter();
},
ngOnChanges: function(changes: SimpleChanges) {
const assert = (prop: string, value: any) => {
if (this[prop] != value) {
throw new Error(`Expected: '${prop}' to be '${value}' but was '${this[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');
break;
case 2:
assertChange('twoWayB', 'newB');
break;
default:
throw new Error('Called too many times! ' + JSON.stringify(changes));
}
}
});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const Ng2Module = NgModule({
declarations: [Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
const element = html(`<div>
<ng2 literal="Text" interpolate="Hello {{'world'}}"
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.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 = () => {};
constructor() { ng2Instance = this; }
writeValue(value: any) { this._value = value; }
registerOnChange(fn: any) { this._onChangeCallback = fn; }
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>`);
const Ng2Module = NgModule({
declarations: [Ng2],
imports: [BrowserModule],
schemas: [NO_ERRORS_SCHEMA],
}).Class({constructor: function() {}});
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($rootScope.modelA).toBe('C');
expect(multiTrim(document.body.textContent)).toEqual('C | C');
ref.dispose();
});
}));
it('should properly run cleanup when ng1 directive is destroyed', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const onDestroyed: EventEmitter<string> = new EventEmitter<string>();
ng1Module.directive('ng1', () => {
return {
template: '<div ng-if="!destroyIt"><ng2></ng2></div>',
controller: function($rootScope: any, $timeout: Function) {
$timeout(() => { $rootScope.destroyIt = true; });
}
};
});
const Ng2 = Component({selector: 'ng2', template: 'test'}).Class({
constructor: function() {},
ngOnDestroy: function() { onDestroyed.emit('destroyed'); }
});
const Ng2Module = NgModule({
declarations: [Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html('<ng1></ng1>');
adapter.bootstrap(element, ['ng1']).ready((ref) => {
onDestroyed.subscribe(() => { ref.dispose(); });
});
}));
it('should fallback to the root ng2.injector when compiled outside the dom', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
ng1Module.directive('ng1', [
'$compile',
($compile: Function) => {
return {
link: function($scope: any, $element: any, $attrs: any) {
const compiled = $compile('<ng2></ng2>');
const template = compiled($scope);
$element.append(template);
}
};
}
]);
const Ng2 =
Component({selector: 'ng2', template: 'test'}).Class({constructor: function() {}});
const Ng2Module = NgModule({
declarations: [Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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', []);
const Ng2 = Component({
selector: 'ng2',
template: '2a(<ng-content select=".ng1a"></ng-content>)' +
'2b(<ng-content select=".ng1b"></ng-content>)'
}).Class({constructor: function() {}});
const Ng2Module = NgModule({declarations: [Ng2], imports: [BrowserModule]}).Class({
constructor: function() {}
});
// 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 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 bind properties, events', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
template: 'Hello {{fullName}}; A: {{dataA}}; B: {{dataB}}; C: {{modelC}}; | ',
scope: {fullName: '@', modelA: '=dataA', modelB: '=dataB', modelC: '=', event: '&'},
link: function(scope: any) {
scope.$watch('dataB', (v: string) => {
if (v == 'Savkin') {
scope.dataB = 'SAVKIN';
scope.event('WORKS');
// Should not update because [model-a] is uni directional
scope.dataA = 'VICTOR';
}
});
}
};
};
ng1Module.directive('ng1', ng1);
const Ng2 =
Component({
selector: 'ng2',
template:
'<ng1 fullName="{{last}}, {{first}}, {{city}}" [modelA]="first" [(modelB)]="last" [modelC]="city" ' +
'(event)="event=$event"></ng1>' +
'<ng1 fullName="{{\'TEST\'}}" modelA="First" modelB="Last" modelC="City"></ng1>' +
'{{event}}-{{last}}, {{first}}, {{city}}'
}).Class({
constructor: function() {
this.first = 'Victor';
this.last = 'Savkin';
this.city = 'SF';
this.event = '?';
}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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: {{dataA}}; B: {{modelB}}; | ',
scope: {modelA: '=?dataA', modelB: '=?'}
};
};
ng1Module.directive('ng1', ng1);
const Ng2 = Component({
selector: 'ng2',
template: '<ng1 [modelA]="first" [modelB]="last"></ng1>' +
'<ng1 modelA="First" modelB="Last"></ng1>' +
'<ng1></ng1>' +
'<ng1></ng1>'
}).Class({
constructor: function() {
this.first = 'Victor';
this.last = 'Savkin';
}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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: ' + $scope.data; }
};
};
ng1Module.directive('ng1', ng1);
const Ng2 =
Component({
selector: 'ng2',
template:
'{{someText}} - Length: {{dataList.length}} | <ng1 [(data)]="dataList"></ng1>'
}).Class({
constructor: function() {
this.dataList = [1, 2, 3];
this.someText = 'ng2';
}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
// we need to do setTimeout, because the EventEmitter uses setTimeout to schedule
// events, and so without this we would not see the events processed.
setTimeout(() => {
expect(multiTrim(document.body.textContent))
.toEqual('ng2 - Length: 3 | ng1 - Data: 1,2,3 - Length: 3');
ref.dispose();
}, 0);
});
}));
it('should bind properties, events in link function', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
restrict: 'E',
template: '{{someText}} - Length: {{data.length}}',
scope: {data: '='},
link: function($scope: any) { $scope.someText = 'ng1 - Data: ' + $scope.data; }
};
};
ng1Module.directive('ng1', ng1);
const Ng2 =
Component({
selector: 'ng2',
template:
'{{someText}} - Length: {{dataList.length}} | <ng1 [(data)]="dataList"></ng1>'
}).Class({
constructor: function() {
this.dataList = [1, 2, 3];
this.someText = 'ng2';
}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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);
const Ng2 = Component({selector: 'ng2', template: '<ng1></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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);
const Ng2 = Component({selector: 'ng2', template: '<ng1></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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);
const Ng2 = Component({selector: 'ng2', template: '<ng1></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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);
const Ng2 = Component({selector: 'ng2', template: '<ng1></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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) => $templateCache.put('url.html', 'WORKS'));
const ng1 = () => { return {templateUrl: 'url.html'}; };
ng1Module.directive('ng1', ng1);
const Ng2 = Component({selector: 'ng2', template: '<ng1></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
const element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1']).ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('WORKS');
ref.dispose();
});
}));
it('should support controller with controllerAs', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = () => {
return {
scope: true,
template:
'{{ctl.scope}}; {{ctl.isClass}}; {{ctl.hasElement}}; {{ctl.isPublished()}}',
controllerAs: 'ctl',
controller: Class({
constructor: function($scope: any, $element: any) {
(<any>this).verifyIAmAClass();
this.scope = $scope.$parent.$parent == $scope.$root ? 'scope' : 'wrong-scope';
this.hasElement = $element[0].nodeName;
this.$element = $element;
},
verifyIAmAClass: function() { this.isClass = 'isClass'; },
isPublished: function() {
return this.$element.controller('ng1') == this ? 'published' : 'not-published';
}
})
};
};
ng1Module.directive('ng1', ng1);
const Ng2 = Component({selector: 'ng2', template: '<ng1></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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({constructor: function() {}})
};
};
ng1Module.directive('ng1', ng1);
const Ng2 = Component({selector: 'ng2', template: '<ng1 title="WORKS"></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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({constructor: function() {}})
};
};
ng1Module.directive('ng1', ng1);
const Ng2 = Component({selector: 'ng2', template: '<ng1 title="WORKS"></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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 = ($rootScope: any) => {
return {
scope: {title: '@'},
bindToController: true,
template: '{{ctl.status}}',
require: 'ng1',
controllerAs: 'ctrl',
controller: Class({constructor: function() { this.status = 'WORKS'; }}),
link: function(scope: any, element: any, attrs: any, linkController: any) {
expect(scope.$root).toEqual($rootScope);
expect(element[0].nodeName).toEqual('NG1');
expect(linkController.status).toEqual('WORKS');
scope.ctl = linkController;
}
};
};
ng1Module.directive('ng1', ng1);
const Ng2 = Component({selector: 'ng2', template: '<ng1></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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({constructor: function() { this.parent = 'PARENT'; }})};
};
const ng1 = () => {
return {
scope: {title: '@'},
bindToController: true,
template: '{{parent.parent}}:{{ng1.status}}',
require: ['ng1', '^parent', '?^^notFound'],
controllerAs: 'ctrl',
controller: Class({constructor: function() { this.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);
const Ng2 = Component({selector: 'ng2', template: '<ng1></ng1>'}).Class({
constructor: function() {}
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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($onDestroySpy).not.toHaveBeenCalled();
ref.dispose();
});
}));
});
it('should bind input properties (<) of components', async(() => {
const adapter: UpgradeAdapter = new UpgradeAdapter(forwardRef(() => Ng2Module));
const ng1Module = angular.module('ng1', []);
const ng1 = {
bindings: {personProfile: '<'},
template: 'Hello {{$ctrl.personProfile.firstName}} {{$ctrl.personProfile.lastName}}',
controller: Class({constructor: function() {}})
};
ng1Module.component('ng1', ng1);
const Ng2 =
Component({selector: 'ng2', template: '<ng1 [personProfile]="goku"></ng1>'}).Class({
constructor: function() { this.goku = {firstName: 'GOKU', lastName: 'SAN'}; }
});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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);
const Ng2a = Component({selector: 'ng2a', template: 'ng2a(<ng1></ng1>)'}).Class({
constructor: function() {}
});
ng1Module.directive('ng2a', adapter.downgradeNg2Component(Ng2a));
const Ng2b =
Component({selector: 'ng2b', template: 'ng2b'}).Class({constructor: function() {}});
ng1Module.directive('ng2b', adapter.downgradeNg2Component(Ng2b));
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2a, Ng2b],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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(() => {
const MyNg2Module = NgModule({
providers: [{provide: SomeToken, useValue: 'correct_value'}],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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(() => {
const MyNg2Module =
NgModule({imports: [BrowserModule]}).Class({constructor: function() {}});
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', []);
const Ng2Parent = Component({
selector: 'ng2-parent',
template: `ng2-parent(<ng-content></ng-content>)`
}).Class({constructor: function() {}});
const Ng2Child = Component({selector: 'ng2-child', template: `ng2-child`}).Class({
constructor: [Ng2Parent, function(parent: any) {}]
});
const Ng2Module =
NgModule({declarations: [Ng2Parent, Ng2Child], imports: [BrowserModule]}).Class({
constructor: function() {}
});
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(() => {
const MyNg2Module =
NgModule({imports: [BrowserModule]}).Class({constructor: function() {}});
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 wait for ng2 testability', async(() => {
const MyNg2Module =
NgModule({imports: [BrowserModule]}).Class({constructor: function() {}});
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);
const Ng2 =
Component({
selector: 'ng2',
inputs: ['name'],
template: 'ng2[<ng1 [title]="name">transclude</ng1>](<ng-content></ng-content>)'
}).Class({constructor: function() {}});
const Ng2Module = NgModule({
declarations: [adapter.upgradeNg1Component('ng1'), Ng2],
imports: [BrowserModule],
}).Class({constructor: function() {}});
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 $rootScope: angular.IRootScopeService;
beforeEach(() => {
const ng1Module = angular.module('ng1', []);
const Ng2 = Component({
selector: 'ng2',
template: 'Hello World',
}).Class({constructor: function() {}});
const Ng2Module = NgModule({declarations: [Ng2], imports: [BrowserModule]}).Class({
constructor: function() {}
});
const upgradeAdapter = new UpgradeAdapter(Ng2Module);
ng1Module.directive('ng2', upgradeAdapter.downgradeNg2Component(Ng2));
upgradeAdapterRef = upgradeAdapter.registerForNg1Tests(['ng1']);
});
beforeEach(
inject((_$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');
});
}));
});
});
describe('sortProjectableNodes', () => {
it('should return an array of node collections for each selector', () => {
const contentNodes = nodes(
'<div class="x"><span>div-1 content</span></div>' +
'<input type="number" name="myNum">' +
'<input type="date" name="myDate">' +
'<span>span content</span>' +
'<div class="x"><span>div-2 content</span></div>');
const selectors = ['input[type=date]', 'span', '.x'];
const projectableNodes = sortProjectableNodes(selectors, contentNodes);
expect(projectableNodes[0]).toEqual(nodes('<input type="date" name="myDate">'));
expect(projectableNodes[1]).toEqual(nodes('<span>span content</span>'));
expect(projectableNodes[2])
.toEqual(nodes(
'<div class="x"><span>div-1 content</span></div>' +
'<div class="x"><span>div-2 content</span></div>'));
});
it('should collect up unmatched nodes for the wildcard selector', () => {
const contentNodes = nodes(
'<div class="x"><span>div-1 content</span></div>' +
'<input type="number" name="myNum">' +
'<input type="date" name="myDate">' +
'<span>span content</span>' +
'<div class="x"><span>div-2 content</span></div>');
const selectors = ['.x', '*', 'input[type=date]'];
const projectableNodes = sortProjectableNodes(selectors, contentNodes);
expect(projectableNodes[0])
.toEqual(nodes(
'<div class="x"><span>div-1 content</span></div>' +
'<div class="x"><span>div-2 content</span></div>'));
expect(projectableNodes[1])
.toEqual(nodes(
'<input type="number" name="myNum">' +
'<span>span content</span>'));
expect(projectableNodes[2]).toEqual(nodes('<input type="date" name="myDate">'));
});
it('should return an array of empty arrays if there are no nodes passed in', () => {
const selectors = ['.x', '*', 'input[type=date]'];
const projectableNodes = sortProjectableNodes(selectors, []);
expect(projectableNodes).toEqual([[], [], []]);
});
it('should return an empty array for each selector that does not match', () => {
const contentNodes = nodes(
'<div class="x"><span>div-1 content</span></div>' +
'<input type="number" name="myNum">' +
'<input type="date" name="myDate">' +
'<span>span content</span>' +
'<div class="x"><span>div-2 content</span></div>');
const noSelectorNodes = sortProjectableNodes([], contentNodes);
expect(noSelectorNodes).toEqual([]);
const noMatchSelectorNodes = sortProjectableNodes(['.not-there'], contentNodes);
expect(noMatchSelectorNodes).toEqual([[]]);
});
});
}
function nodes(html: string) {
const element = document.createElement('div');
element.innerHTML = html;
return Array.prototype.slice.call(element.childNodes);