angular-cn/modules/angular2/test/forms/integration_spec.js

import {ddescribe, describe, it, iit, xit, expect, beforeEach, afterEach,
  el, queryView, dispatchEvent} from 'angular2/test_lib';

import {Lexer, Parser, ChangeDetector, dynamicChangeDetection} from 'angular2/change_detection';
import {Compiler, CompilerCache} from 'angular2/src/core/compiler/compiler';
import {DirectiveMetadataReader} from 'angular2/src/core/compiler/directive_metadata_reader';
import {NativeShadowDomStrategy} from 'angular2/src/core/compiler/shadow_dom_strategy';
import {Injector} from 'angular2/di';
import {DOM} from 'angular2/src/facade/dom';

import {Component, TemplateConfig} from 'angular2/core';
import {ControlDirective, ControlNameDirective, ControlGroupDirective, NewControlGroupDirective,
  Control, ControlGroup} from 'angular2/forms';

import {TemplateLoader} from 'angular2/src/core/compiler/template_loader';
import {XHRMock} from 'angular2/src/mock/xhr_mock';

export function main() {
  function detectChanges(view) {
    view.changeDetector.detectChanges();
  }

  function compile(componentType, template, context, callback) {
    var compiler = new Compiler(dynamicChangeDetection,
      new TemplateLoader(new XHRMock()),
      new DirectiveMetadataReader(),
      new Parser(new Lexer()),
      new CompilerCache(),
      new NativeShadowDomStrategy());

    compiler.compile(componentType, el(template)).then((pv) => {
      var view = pv.instantiate(null);
      view.hydrate(new Injector([]), null, context);
      detectChanges(view);
      callback(view);
    });
  }

  function formComponent(view) {
    // TODO: vsavkin remove when view variables work
    return view.elementInjectors[0].getComponent();
  }

  describe("integration tests", () => {
    it("should initialize DOM elements with the given form object", (done) => {
      var ctx = new MyComp(new ControlGroup({
        "login": new Control("loginValue")
      }));

      var t = `<div [control-group]="form">
                <input [control-name]="'login'">
              </div>`;

      compile(MyComp, t, ctx, (view) => {
        var input = queryView(view, "input")
        expect(input.value).toEqual("loginValue");
        done();
      });
    });

    it("should update the control group values on DOM change", (done) => {
      var form = new ControlGroup({
        "login": new Control("oldValue")
      });
      var ctx = new MyComp(form);

      var t = `<div [control-group]="form">
                <input [control-name]="'login'">
              </div>`;

      compile(MyComp, t, ctx, (view) => {
        var input = queryView(view, "input")

        input.value = "updatedValue";
        dispatchEvent(input, "change");

        expect(form.value).toEqual({"login": "updatedValue"});
        done();
      });
    });

    it("should update DOM elements when rebinding the control group", (done) => {
      var form = new ControlGroup({
        "login": new Control("oldValue")
      });
      var ctx = new MyComp(form);

      var t = `<div [control-group]="form">
                <input [control-name]="'login'">
              </div>`;

      compile(MyComp, t, ctx, (view) => {
        ctx.form = new ControlGroup({
          "login": new Control("newValue")
        });
        detectChanges(view);

        var input = queryView(view, "input")
        expect(input.value).toEqual("newValue");
        done();
      });
    });

    it("should update DOM element when rebinding the control name", (done) => {
      var ctx = new MyComp(new ControlGroup({
        "one": new Control("one"),
        "two": new Control("two")
      }), "one");

      var t = `<div [control-group]="form">
                <input [control-name]="name">
              </div>`;

      compile(MyComp, t, ctx, (view) => {
        var input = queryView(view, "input")
        expect(input.value).toEqual("one");

        ctx.name = "two";
        detectChanges(view);

        expect(input.value).toEqual("two");
        done();
      });
    });

    describe("declarative forms", () => {
      it("should initialize dom elements", (done) => {
        var t = `<div [new-control-group]="{'login': 'loginValue', 'password':'passValue'}">
                  <input id="login" [control]="'login'">
                  <input id="password" [control]="'password'">
                </div>`;

        compile(MyComp, t, new MyComp(), (view) => {
          var loginInput = queryView(view, "#login")
          expect(loginInput.value).toEqual("loginValue");

          var passInput = queryView(view, "#password")
          expect(passInput.value).toEqual("passValue");

          done();
        });
      });

      it("should update the control group values on DOM change", (done) => {
        var t = `<div [new-control-group]="{'login': 'loginValue'}">
                  <input [control]="'login'">
                </div>`;

        compile(MyComp, t, new MyComp(), (view) => {
          var input = queryView(view, "input")

          input.value = "updatedValue";
          dispatchEvent(input, "change");

          expect(formComponent(view).value).toEqual({'login': 'updatedValue'});
          done();
        });
      });

    });
  });
}

@Component({
  selector: "my-comp",
  template: new TemplateConfig({
    inline: "",
    directives: [ControlGroupDirective, ControlNameDirective,
      ControlDirective, NewControlGroupDirective]
  })
})
class MyComp {
  form:ControlGroup;
  name:string;

  constructor(form = null, name = null) {
    this.form = form;
    this.name = name;
  }
}