560 lines
18 KiB
TypeScript
560 lines
18 KiB
TypeScript
import {
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ddescribe,
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describe,
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it,
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iit,
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xit,
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expect,
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beforeEach,
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afterEach,
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el,
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AsyncTestCompleter,
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fakeAsync,
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tick,
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inject
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} from 'angular2/test_lib';
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import {ControlGroup, Control, ControlArray, Validators} from 'angular2/forms';
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import {ObservableWrapper} from 'angular2/src/facade/async';
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export function main() {
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describe("Form Model", () => {
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describe("Control", () => {
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it("should default the value to null", () => {
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var c = new Control();
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expect(c.value).toBe(null);
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expect(c.validator).toBe(Validators.nullValidator);
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});
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describe("validator", () => {
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it("should run validator with the initial value", () => {
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var c = new Control("value", Validators.required);
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expect(c.valid).toEqual(true);
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});
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it("should rerun the validator when the value changes", () => {
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var c = new Control("value", Validators.required);
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c.updateValue(null);
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expect(c.valid).toEqual(false);
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});
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it("should return errors", () => {
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var c = new Control(null, Validators.required);
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expect(c.errors).toEqual({"required": true});
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});
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});
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describe("dirty", () => {
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it("should be false after creating a control", () => {
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var c = new Control("value");
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expect(c.dirty).toEqual(false);
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});
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it("should be true after changing the value of the control", () => {
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var c = new Control("value");
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c.markAsDirty();
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expect(c.dirty).toEqual(true);
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});
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});
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describe("updateValue", () => {
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var g, c;
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beforeEach(() => {
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c = new Control("oldValue");
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g = new ControlGroup({"one": c});
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});
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it("should update the value of the control", () => {
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c.updateValue("newValue");
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expect(c.value).toEqual("newValue");
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});
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it("should invoke onChange if it is present", () => {
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var onChange;
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c.registerOnChange((v) => onChange = ["invoked", v]);
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c.updateValue("newValue");
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expect(onChange).toEqual(["invoked", "newValue"]);
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});
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it("should not invoke on change when explicitly specified", () => {
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var onChange = null;
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c.registerOnChange((v) => onChange = ["invoked", v]);
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c.updateValue("newValue", {emitModelToViewChange: false});
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expect(onChange).toBeNull();
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});
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it("should update the parent", () => {
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c.updateValue("newValue");
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expect(g.value).toEqual({"one": "newValue"});
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});
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it("should not update the parent when explicitly specified", () => {
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c.updateValue("newValue", {onlySelf: true});
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expect(g.value).toEqual({"one": "oldValue"});
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});
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it("should fire an event", fakeAsync(() => {
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ObservableWrapper.subscribe(c.valueChanges,
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(value) => { expect(value).toEqual("newValue"); });
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c.updateValue("newValue");
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tick();
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}));
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it("should not fire an event when explicitly specified", fakeAsync(() => {
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ObservableWrapper.subscribe(c.valueChanges, (value) => { throw "Should not happen"; });
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c.updateValue("newValue", {emitEvent: false});
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tick();
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}));
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});
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describe("valueChanges", () => {
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var c;
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beforeEach(() => { c = new Control("old"); });
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it("should fire an event after the value has been updated",
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inject([AsyncTestCompleter], (async) => {
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ObservableWrapper.subscribe(c.valueChanges, (value) => {
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expect(c.value).toEqual('new');
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expect(value).toEqual('new');
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async.done();
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});
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c.updateValue("new");
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}));
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it("should return a cold observable", inject([AsyncTestCompleter], (async) => {
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c.updateValue("will be ignored");
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ObservableWrapper.subscribe(c.valueChanges, (value) => {
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expect(value).toEqual('new');
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async.done();
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});
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c.updateValue("new");
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}));
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});
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});
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describe("ControlGroup", () => {
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describe("value", () => {
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it("should be the reduced value of the child controls", () => {
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var g = new ControlGroup({"one": new Control("111"), "two": new Control("222")});
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expect(g.value).toEqual({"one": "111", "two": "222"});
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});
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it("should be empty when there are no child controls", () => {
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var g = new ControlGroup({});
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expect(g.value).toEqual({});
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});
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it("should support nested groups", () => {
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var g = new ControlGroup(
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{"one": new Control("111"), "nested": new ControlGroup({"two": new Control("222")})});
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expect(g.value).toEqual({"one": "111", "nested": {"two": "222"}});
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g.controls["nested"].controls["two"].updateValue("333");
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expect(g.value).toEqual({"one": "111", "nested": {"two": "333"}});
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});
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});
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describe("validator", () => {
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it("should run the validator with the initial value (valid)", () => {
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var g = new ControlGroup({"one": new Control('value', Validators.required)});
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expect(g.valid).toEqual(true);
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expect(g.errors).toEqual(null);
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});
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it("should run the validator with the initial value (invalid)", () => {
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var one = new Control(null, Validators.required);
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var g = new ControlGroup({"one": one});
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expect(g.valid).toEqual(false);
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expect(g.errors).toEqual({"required": [one]});
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});
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it("should run the validator with the value changes", () => {
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var c = new Control(null, Validators.required);
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var g = new ControlGroup({"one": c});
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c.updateValue("some value");
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expect(g.valid).toEqual(true);
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expect(g.errors).toEqual(null);
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});
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});
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describe("dirty", () => {
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var c, g;
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beforeEach(() => {
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c = new Control('value');
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g = new ControlGroup({"one": c});
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});
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it("should be false after creating a control", () => { expect(g.dirty).toEqual(false); });
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it("should be false after changing the value of the control", () => {
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c.markAsDirty();
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expect(g.dirty).toEqual(true);
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});
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});
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describe("optional components", () => {
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describe("contains", () => {
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var group;
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beforeEach(() => {
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group = new ControlGroup(
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{
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"required": new Control("requiredValue"),
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"optional": new Control("optionalValue")
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},
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{"optional": false});
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});
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// rename contains into has
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it("should return false when the component is not included",
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() => { expect(group.contains("optional")).toEqual(false); })
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it("should return false when there is no component with the given name",
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() => { expect(group.contains("something else")).toEqual(false); });
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it("should return true when the component is included", () => {
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expect(group.contains("required")).toEqual(true);
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group.include("optional");
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expect(group.contains("optional")).toEqual(true);
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});
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});
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it("should not include an inactive component into the group value", () => {
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var group = new ControlGroup(
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{"required": new Control("requiredValue"), "optional": new Control("optionalValue")},
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{"optional": false});
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expect(group.value).toEqual({"required": "requiredValue"});
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group.include("optional");
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expect(group.value).toEqual({"required": "requiredValue", "optional": "optionalValue"});
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});
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it("should not run Validators on an inactive component", () => {
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var group = new ControlGroup(
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{
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"required": new Control("requiredValue", Validators.required),
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"optional": new Control("", Validators.required)
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},
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{"optional": false});
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expect(group.valid).toEqual(true);
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group.include("optional");
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expect(group.valid).toEqual(false);
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});
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describe("valueChanges", () => {
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var g, c1, c2;
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beforeEach(() => {
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c1 = new Control("old1");
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c2 = new Control("old2");
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g = new ControlGroup({"one": c1, "two": c2}, {"two": true});
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});
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it("should fire an event after the value has been updated",
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inject([AsyncTestCompleter], (async) => {
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ObservableWrapper.subscribe(g.valueChanges, (value) => {
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expect(g.value).toEqual({'one': 'new1', 'two': 'old2'});
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expect(value).toEqual({'one': 'new1', 'two': 'old2'});
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async.done();
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});
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c1.updateValue("new1");
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}));
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it("should fire an event after the control's observable fired an event",
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inject([AsyncTestCompleter], (async) => {
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var controlCallbackIsCalled = false;
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ObservableWrapper.subscribe(c1.valueChanges,
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(value) => { controlCallbackIsCalled = true; });
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ObservableWrapper.subscribe(g.valueChanges, (value) => {
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expect(controlCallbackIsCalled).toBe(true);
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async.done();
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});
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c1.updateValue("new1");
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}));
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it("should fire an event when a control is excluded",
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inject([AsyncTestCompleter], (async) => {
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ObservableWrapper.subscribe(g.valueChanges, (value) => {
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expect(value).toEqual({'one': 'old1'});
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async.done();
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});
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g.exclude("two");
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}));
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it("should fire an event when a control is included",
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inject([AsyncTestCompleter], (async) => {
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g.exclude("two");
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ObservableWrapper.subscribe(g.valueChanges, (value) => {
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expect(value).toEqual({'one': 'old1', 'two': 'old2'});
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async.done();
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});
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g.include("two");
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}));
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it("should fire an event every time a control is updated",
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inject([AsyncTestCompleter], (async) => {
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var loggedValues = [];
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ObservableWrapper.subscribe(g.valueChanges, (value) => {
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loggedValues.push(value);
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if (loggedValues.length == 2) {
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expect(loggedValues)
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.toEqual([{"one": "new1", "two": "old2"}, {"one": "new1", "two": "new2"}]);
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async.done();
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}
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});
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c1.updateValue("new1");
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c2.updateValue("new2");
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}));
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xit("should not fire an event when an excluded control is updated",
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inject([AsyncTestCompleter], (async) => {
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// hard to test without hacking zones
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}));
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});
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describe("getError", () => {
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it("should return the error when it is present", () => {
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var c = new Control("", Validators.required);
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var g = new ControlGroup({"one": c});
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expect(c.getError("required")).toEqual(true);
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expect(g.getError("required", ["one"])).toEqual(true);
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});
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it("should return null otherwise", () => {
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var c = new Control("not empty", Validators.required);
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var g = new ControlGroup({"one": c});
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expect(c.getError("invalid")).toEqual(null);
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expect(g.getError("required", ["one"])).toEqual(null);
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expect(g.getError("required", ["invalid"])).toEqual(null);
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});
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});
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});
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});
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describe("ControlArray", () => {
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describe("adding/removing", () => {
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var a: ControlArray;
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var c1, c2, c3;
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beforeEach(() => {
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a = new ControlArray([]);
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c1 = new Control(1);
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c2 = new Control(2);
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c3 = new Control(3);
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});
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it("should support pushing", () => {
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a.push(c1);
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expect(a.length).toEqual(1);
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expect(a.controls).toEqual([c1]);
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});
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it("should support removing", () => {
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a.push(c1);
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a.push(c2);
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a.push(c3);
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a.removeAt(1);
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expect(a.controls).toEqual([c1, c3]);
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});
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it("should support inserting", () => {
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a.push(c1);
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a.push(c3);
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a.insert(1, c2);
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expect(a.controls).toEqual([c1, c2, c3]);
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});
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});
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describe("value", () => {
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it("should be the reduced value of the child controls", () => {
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var a = new ControlArray([new Control(1), new Control(2)]);
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expect(a.value).toEqual([1, 2]);
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});
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it("should be an empty array when there are no child controls", () => {
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var a = new ControlArray([]);
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expect(a.value).toEqual([]);
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});
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});
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describe("validator", () => {
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it("should run the validator with the initial value (valid)", () => {
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var a = new ControlArray(
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[new Control(1, Validators.required), new Control(2, Validators.required)]);
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expect(a.valid).toBe(true);
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expect(a.errors).toBe(null);
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});
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it("should run the validator with the initial value (invalid)", () => {
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var a = new ControlArray([
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new Control(1, Validators.required),
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new Control(null, Validators.required),
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new Control(2, Validators.required)
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]);
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expect(a.valid).toBe(false);
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expect(a.errors).toEqual({"required": [a.controls[1]]});
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});
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it("should run the validator when the value changes", () => {
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var a = new ControlArray([]);
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var c = new Control(null, Validators.required);
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a.push(c);
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expect(a.valid).toBe(false);
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c.updateValue("some value");
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expect(a.valid).toBe(true);
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expect(a.errors).toBe(null);
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});
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});
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describe("dirty", () => {
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var c: Control;
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var a: ControlArray;
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beforeEach(() => {
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c = new Control('value');
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a = new ControlArray([c]);
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});
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it("should be false after creating a control", () => { expect(a.dirty).toEqual(false); });
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it("should be false after changing the value of the control", () => {
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c.markAsDirty();
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expect(a.dirty).toEqual(true);
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});
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});
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describe("valueChanges", () => {
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var a: ControlArray;
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var c1, c2;
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beforeEach(() => {
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c1 = new Control("old1");
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c2 = new Control("old2");
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a = new ControlArray([c1, c2]);
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});
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it("should fire an event after the value has been updated",
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inject([AsyncTestCompleter], (async) => {
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ObservableWrapper.subscribe(a.valueChanges, (value) => {
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expect(a.value).toEqual(['new1', 'old2']);
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expect(value).toEqual(['new1', 'old2']);
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async.done();
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});
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c1.updateValue("new1");
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}));
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it("should fire an event after the control's observable fired an event",
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inject([AsyncTestCompleter], (async) => {
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var controlCallbackIsCalled = false;
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ObservableWrapper.subscribe(c1.valueChanges,
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(value) => { controlCallbackIsCalled = true; });
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ObservableWrapper.subscribe(a.valueChanges, (value) => {
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expect(controlCallbackIsCalled).toBe(true);
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async.done();
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});
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c1.updateValue("new1");
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}));
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it("should fire an event when a control is removed",
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inject([AsyncTestCompleter], (async) => {
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ObservableWrapper.subscribe(a.valueChanges, (value) => {
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expect(value).toEqual(['old1']);
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async.done();
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});
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a.removeAt(1);
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}));
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it("should fire an event when a control is added", inject([AsyncTestCompleter], (async) => {
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a.removeAt(1);
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ObservableWrapper.subscribe(a.valueChanges, (value) => {
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expect(value).toEqual(['old1', 'old2']);
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async.done();
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});
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a.push(c2);
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}));
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});
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});
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describe("find", () => {
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it("should return null when path is null", () => {
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var g = new ControlGroup({});
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expect(g.find(null)).toEqual(null);
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});
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it("should return null when path is empty", () => {
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var g = new ControlGroup({});
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expect(g.find([])).toEqual(null);
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});
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it("should return null when path is invalid", () => {
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var g = new ControlGroup({});
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expect(g.find(["one", "two"])).toEqual(null);
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});
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it("should return a child of a control group", () => {
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var g = new ControlGroup(
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{"one": new Control("111"), "nested": new ControlGroup({"two": new Control("222")})});
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expect(g.find(["nested", "two"]).value).toEqual("222");
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expect(g.find(["one"]).value).toEqual("111");
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expect(g.find("nested/two").value).toEqual("222");
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expect(g.find("one").value).toEqual("111");
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});
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it("should return an element of an array", () => {
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var g = new ControlGroup({"array": new ControlArray([new Control("111")])});
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expect(g.find(["array", 0]).value).toEqual("111");
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});
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});
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});
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}
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