angular-docs-cn/modules/angular2/test/upgrade/upgrade_spec.ts

583 lines
25 KiB
TypeScript

import {
AsyncTestCompleter,
beforeEach,
ddescribe,
describe,
expect,
iit,
inject,
it,
xdescribe,
xit,
} from 'angular2/testing_internal';
import {DOM} from 'angular2/src/platform/dom/dom_adapter';
import {Component, Class, Inject, EventEmitter, ApplicationRef, provide} from 'angular2/core';
import {UpgradeAdapter} from 'angular2/upgrade';
import * as angular from 'angular2/src/upgrade/angular_js';
export function main() {
describe('adapter: ng1 to ng2', () => {
it('should have angular 1 loaded', () => expect(angular.version.major).toBe(1));
it('should instantiate ng2 in ng1 template and project content',
inject([AsyncTestCompleter], (async) => {
var ng1Module = angular.module('ng1', []);
var Ng2 = Component({selector: 'ng2', template: `{{ 'NG2' }}(<ng-content></ng-content>)`})
.Class({constructor: function() {}});
var element = html("<div>{{ 'ng1[' }}<ng2>~{{ 'ng-content' }}~</ng2>{{ ']' }}</div>");
var adapter: UpgradeAdapter = new UpgradeAdapter();
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(document.body.textContent).toEqual("ng1[NG2(~ng-content~)]");
ref.dispose();
async.done();
});
}));
it('should instantiate ng1 in ng2 template and project content',
inject([AsyncTestCompleter], (async) => {
var adapter: UpgradeAdapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
var Ng2 = Component({
selector: 'ng2',
template: `{{ 'ng2(' }}<ng1>{{'transclude'}}</ng1>{{ ')' }}`,
directives: [adapter.upgradeNg1Component('ng1')]
}).Class({constructor: function() {}});
ng1Module.directive('ng1', () => {
return {transclude: true, template: '{{ "ng1" }}(<ng-transclude></ng-transclude>)'};
});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var element = html("<div>{{'ng1('}}<ng2></ng2>{{')'}}</div>");
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(document.body.textContent).toEqual("ng1(ng2(ng1(transclude)))");
ref.dispose();
async.done();
});
}));
describe('scope/component change-detection', () => {
it('should interleave scope and component expressions',
inject([AsyncTestCompleter], (async) => {
var ng1Module = angular.module('ng1', []);
var log = [];
var l = function(value) {
log.push(value);
return value + ';';
};
var adapter: UpgradeAdapter = new UpgradeAdapter();
ng1Module.directive('ng1a', () => { return {template: "{{ l('ng1a') }}"}; });
ng1Module.directive('ng1b', () => { return {template: "{{ l('ng1b') }}"}; });
ng1Module.run(($rootScope) => {
$rootScope.l = l;
$rootScope.reset = () => log.length = 0;
});
var Ng2 =
Component({
selector: 'ng2',
template: `{{l('2A')}}<ng1a></ng1a>{{l('2B')}}<ng1b></ng1b>{{l('2C')}}`,
directives:
[adapter.upgradeNg1Component('ng1a'), adapter.upgradeNg1Component('ng1b')]
}).Class({constructor: function() { this.l = l; }});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var element = html("<div>{{reset(); l('1A');}}<ng2>{{l('1B')}}</ng2>{{l('1C')}}</div>");
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(document.body.textContent).toEqual("1A;2A;ng1a;2B;ng1b;2C;1C;");
// https://github.com/angular/angular.js/issues/12983
expect(log).toEqual(['1A', '1B', '1C', '2A', '2B', '2C', 'ng1a', 'ng1b']);
ref.dispose();
async.done();
});
}));
});
describe('downgrade ng2 component', () => {
it('should bind properties, events', inject([AsyncTestCompleter], (async) => {
var adapter: UpgradeAdapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
ng1Module.run(($rootScope) => {
$rootScope.dataA = 'A';
$rootScope.dataB = 'B';
$rootScope.modelA = 'initModelA';
$rootScope.modelB = 'initModelB';
$rootScope.eventA = '?';
$rootScope.eventB = '?';
});
var Ng2 =
Component({
selector: 'ng2',
inputs: ['literal', 'interpolate', 'oneWayA', 'oneWayB', 'twoWayA', 'twoWayB'],
outputs: [
'eventA',
'eventB',
'twoWayAEmitter: twoWayAChange',
'twoWayBEmitter: twoWayBChange'
],
template: "ignore: {{ignore}}; " +
"literal: {{literal}}; interpolate: {{interpolate}}; " +
"oneWayA: {{oneWayA}}; oneWayB: {{oneWayB}}; " +
"twoWayA: {{twoWayA}}; twoWayB: {{twoWayB}}; ({{ngOnChangesCount}})"
})
.Class({
constructor: function() {
this.ngOnChangesCount = 0;
this.ignore = '-';
this.literal = '?';
this.interpolate = '?';
this.oneWayA = '?';
this.oneWayB = '?';
this.twoWayA = '?';
this.twoWayB = '?';
this.eventA = new EventEmitter();
this.eventB = new EventEmitter();
this.twoWayAEmitter = new EventEmitter();
this.twoWayBEmitter = new EventEmitter();
},
ngOnChanges: function(changes) {
var assert = (prop, value) => {
if (this[prop] != value) {
throw new Error(
`Expected: '${prop}' to be '${value}' but was '${this[prop]}'`);
}
};
var assertChange = (prop, value) => {
assert(prop, value);
if (!changes[prop]) {
throw new Error(`Changes record for '${prop}' not found.`);
}
var actValue = changes[prop].currentValue;
if (actValue != value) {
throw new Error(
`Expected changes record for'${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));
var 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: initModelA; twoWayB: initModelB; (1) | " +
"modelA: initModelA; modelB: initModelB; eventA: ?; eventB: ?;");
setTimeout(() => {
// we need to do setTimeout, because the EventEmitter uses setTimeout to schedule
// events, and so without this we would not see the events processed.
expect(multiTrim(document.body.textContent))
.toEqual("ignore: -; " + "literal: Text; interpolate: Hello world; " +
"oneWayA: A; oneWayB: B; twoWayA: newA; twoWayB: newB; (3) | " +
"modelA: newA; modelB: newB; eventA: aFired; eventB: bFired;");
ref.dispose();
async.done();
});
});
}));
});
describe('upgrade ng1 component', () => {
it('should bind properties, events', inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
var ng1 = function() {
return {
template: 'Hello {{fullName}}; A: {{dataA}}; B: {{dataB}}; | ',
scope: {fullName: '@', modelA: '=dataA', modelB: '=dataB', event: '&'},
link: function(scope) {
scope.$watch('dataB', (v) => {
if (v == 'Savkin') {
scope.dataB = 'SAVKIN';
scope.event('WORKS');
// Should not update because [model-a] is uni directional
scope.dataA = 'VICTOR';
}
})
}
};
};
ng1Module.directive('ng1', ng1);
var Ng2 =
Component({
selector: 'ng2',
template:
'<ng1 fullName="{{last}}, {{first}}" [modelA]="first" [(modelB)]="last" ' +
'(event)="event=$event"></ng1>' +
'<ng1 fullName="{{\'TEST\'}}" modelA="First" modelB="Last"></ng1>' +
'{{event}}-{{last}}, {{first}}',
directives: [adapter.upgradeNg1Component('ng1')]
})
.Class({
constructor: function() {
this.first = 'Victor';
this.last = 'Savkin';
this.event = '?';
}
});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var 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; A: VICTOR; B: SAVKIN; | Hello TEST; A: First; B: Last; | WORKS-SAVKIN, Victor");
ref.dispose();
async.done();
}, 0);
});
}));
it('should support templateUrl fetched from $httpBackend',
inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
ng1Module.value('$httpBackend',
(method, url, post, cbFn) => { cbFn(200, `${method}:${url}`); });
var ng1 = function() { return {templateUrl: 'url.html'}; };
ng1Module.directive('ng1', ng1);
var Ng2 = Component({
selector: 'ng2',
template: '<ng1></ng1>',
directives: [adapter.upgradeNg1Component('ng1')]
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('GET:url.html');
ref.dispose();
async.done();
});
}));
it('should support empty template', inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
var ng1 = function() { return {template: ''}; };
ng1Module.directive('ng1', ng1);
var Ng2 = Component({
selector: 'ng2',
template: '<ng1></ng1>',
directives: [adapter.upgradeNg1Component('ng1')]
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('');
ref.dispose();
async.done();
});
}));
it('should support templateUrl fetched from $templateCache',
inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
ng1Module.run(($templateCache) => $templateCache.put('url.html', 'WORKS'));
var ng1 = function() { return {templateUrl: 'url.html'}; };
ng1Module.directive('ng1', ng1);
var Ng2 = Component({
selector: 'ng2',
template: '<ng1></ng1>',
directives: [adapter.upgradeNg1Component('ng1')]
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('WORKS');
ref.dispose();
async.done();
});
}));
it('should support controller with controllerAs', inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
var ng1 = function() {
return {
scope: true,
template:
'{{ctl.scope}}; {{ctl.isClass}}; {{ctl.hasElement}}; {{ctl.isPublished()}}',
controllerAs: 'ctl',
controller: Class({
constructor: function($scope, $element) {
(<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);
var Ng2 = Component({
selector: 'ng2',
template: '<ng1></ng1>',
directives: [adapter.upgradeNg1Component('ng1')]
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(multiTrim(document.body.textContent))
.toEqual('scope; isClass; NG1; published');
ref.dispose();
async.done();
});
}));
it('should support bindToController', inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
var ng1 = function() {
return {
scope: {title: '@'},
bindToController: true,
template: '{{ctl.title}}',
controllerAs: 'ctl',
controller: Class({constructor: function() {}})
};
};
ng1Module.directive('ng1', ng1);
var Ng2 = Component({
selector: 'ng2',
template: '<ng1 title="WORKS"></ng1>',
directives: [adapter.upgradeNg1Component('ng1')]
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('WORKS');
ref.dispose();
async.done();
});
}));
it('should support single require in linking fn', inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
var ng1 = function($rootScope) {
return {
scope: {title: '@'},
bindToController: true,
template: '{{ctl.status}}',
require: 'ng1',
controllerAs: 'ctrl',
controller: Class({constructor: function() { this.status = 'WORKS'; }}),
link: function(scope, element, attrs, linkController) {
expect(scope.$root).toEqual($rootScope);
expect(element[0].nodeName).toEqual('NG1');
expect(linkController.status).toEqual('WORKS');
scope.ctl = linkController;
}
};
};
ng1Module.directive('ng1', ng1);
var Ng2 = Component({
selector: 'ng2',
template: '<ng1></ng1>',
directives: [adapter.upgradeNg1Component('ng1')]
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var element = html(`<div><ng2></ng2></div>`);
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('WORKS');
ref.dispose();
async.done();
});
}));
it('should support array require in linking fn', inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var ng1Module = angular.module('ng1', []);
var parent = function() {
return {controller: Class({constructor: function() { this.parent = 'PARENT'; }})};
};
var ng1 = function() {
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, element, attrs, linkControllers) {
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);
var Ng2 = Component({
selector: 'ng2',
template: '<ng1></ng1>',
directives: [adapter.upgradeNg1Component('ng1')]
}).Class({constructor: function() {}});
ng1Module.directive('ng2', adapter.downgradeNg2Component(Ng2));
var element = html(`<div><parent><ng2></ng2></parent></div>`);
adapter.bootstrap(element, ['ng1'])
.ready((ref) => {
expect(multiTrim(document.body.textContent)).toEqual('PARENT:WORKS');
ref.dispose();
async.done();
});
}));
});
describe('injection', () => {
function SomeToken() {}
it('should export ng2 instance to ng1', inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var module = angular.module('myExample', []);
adapter.addProvider(provide(SomeToken, {useValue: 'correct_value'}));
module.factory('someToken', adapter.downgradeNg2Provider(SomeToken));
adapter.bootstrap(html('<div>'), ['myExample'])
.ready((ref) => {
expect(ref.ng1Injector.get('someToken')).toBe('correct_value');
ref.dispose();
async.done();
});
}));
it('should export ng1 instance to ng2', inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var 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();
async.done();
});
}));
});
describe('examples', () => {
it('should verify UpgradeAdapter example', inject([AsyncTestCompleter], (async) => {
var adapter = new UpgradeAdapter();
var module = angular.module('myExample', []);
module.directive('ng1', function() {
return {
scope: {title: '='},
transclude: true,
template: 'ng1[Hello {{title}}!](<span ng-transclude></span>)'
};
});
var Ng2 =
Component({
selector: 'ng2',
inputs: ['name'],
template: 'ng2[<ng1 [title]="name">transclude</ng1>](<ng-content></ng-content>)',
directives: [adapter.upgradeNg1Component('ng1')]
}).Class({constructor: function() {}});
module.directive('ng2', adapter.downgradeNg2Component(Ng2));
document.body.innerHTML = '<ng2 name="World">project</ng2>';
adapter.bootstrap(document.body, ['myExample'])
.ready((ref) => {
expect(multiTrim(document.body.textContent))
.toEqual("ng2[ng1[Hello World!](transclude)](project)");
ref.dispose();
async.done();
});
}));
});
});
}
function multiTrim(text: string): string {
return text.replace(/\n/g, '').replace(/\s\s+/g, ' ').trim();
}
function html(html: string): Element {
var body = document.body;
body.innerHTML = html;
if (body.childNodes.length == 1 && body.firstChild instanceof HTMLElement)
return <Element>body.firstChild;
return body;
}