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directives_spec.ts
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directives_spec.ts
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import {
ddescribe,
describe,
it,
iit,
xit,
expect,
beforeEach,
afterEach,
inject
} from '@angular/core/testing/testing_internal';
import {
fakeAsync,
flushMicrotasks,
Log,
tick,
} from '@angular/core/testing';
import {SpyNgControl, SpyValueAccessor} from '../spies';
import {
ControlGroup,
Control,
NgControlName,
NgControlGroup,
NgFormModel,
ControlValueAccessor,
Validators,
NgForm,
NgModel,
NgFormControl,
NgControl,
DefaultValueAccessor,
CheckboxControlValueAccessor,
SelectControlValueAccessor,
Validator
} from '@angular/common';
import {selectValueAccessor, composeValidators} from '@angular/common/src/forms-deprecated/directives/shared';
import {TimerWrapper} from '../../src/facade/async';
import {PromiseWrapper} from '../../src/facade/promise';
import {SimpleChange} from '@angular/core/src/change_detection';
class DummyControlValueAccessor implements ControlValueAccessor {
writtenValue;
registerOnChange(fn) {}
registerOnTouched(fn) {}
writeValue(obj: any): void { this.writtenValue = obj; }
}
class CustomValidatorDirective implements Validator {
validate(c: Control): {[key: string]: any} { return {"custom": true}; }
}
function asyncValidator(expected, timeout = 0) {
return (c) => {
var completer = PromiseWrapper.completer();
var res = c.value != expected ? {"async": true} : null;
if (timeout == 0) {
completer.resolve(res);
} else {
TimerWrapper.setTimeout(() => { completer.resolve(res); }, timeout);
}
return completer.promise;
};
}
export function main() {
describe("Form Directives", () => {
var defaultAccessor: DefaultValueAccessor;
beforeEach(() => { defaultAccessor = new DefaultValueAccessor(null, null); });
describe("shared", () => {
describe("selectValueAccessor", () => {
var dir: NgControl;
beforeEach(() => { dir = <any>new SpyNgControl(); });
it("should throw when given an empty array",
() => { expect(() => selectValueAccessor(dir, [])).toThrowError(); });
it("should return the default value accessor when no other provided",
() => { expect(selectValueAccessor(dir, [defaultAccessor])).toEqual(defaultAccessor); });
it("should return checkbox accessor when provided", () => {
var checkboxAccessor = new CheckboxControlValueAccessor(null, null);
expect(selectValueAccessor(dir, [defaultAccessor, checkboxAccessor]))
.toEqual(checkboxAccessor);
});
it("should return select accessor when provided", () => {
var selectAccessor = new SelectControlValueAccessor(null, null);
expect(selectValueAccessor(dir, [defaultAccessor, selectAccessor]))
.toEqual(selectAccessor);
});
it("should throw when more than one build-in accessor is provided", () => {
var checkboxAccessor = new CheckboxControlValueAccessor(null, null);
var selectAccessor = new SelectControlValueAccessor(null, null);
expect(() => selectValueAccessor(dir, [checkboxAccessor, selectAccessor])).toThrowError();
});
it("should return custom accessor when provided", () => {
var customAccessor = new SpyValueAccessor();
var checkboxAccessor = new CheckboxControlValueAccessor(null, null);
expect(selectValueAccessor(dir, <any>[defaultAccessor, customAccessor, checkboxAccessor]))
.toEqual(customAccessor);
});
it("should throw when more than one custom accessor is provided", () => {
var customAccessor: ControlValueAccessor = <any>new SpyValueAccessor();
expect(() => selectValueAccessor(dir, [customAccessor, customAccessor])).toThrowError();
});
});
describe("composeValidators", () => {
it("should compose functions", () => {
var dummy1 = (_) => ({"dummy1": true});
var dummy2 = (_) => ({"dummy2": true});
var v = composeValidators([dummy1, dummy2]);
expect(v(new Control(""))).toEqual({"dummy1": true, "dummy2": true});
});
it("should compose validator directives", () => {
var dummy1 = (_) => ({"dummy1": true});
var v = composeValidators([dummy1, new CustomValidatorDirective()]);
expect(v(new Control(""))).toEqual({"dummy1": true, "custom": true});
});
});
});
describe("NgFormModel", () => {
var form;
var formModel: ControlGroup;
var loginControlDir;
beforeEach(() => {
form = new NgFormModel([], []);
formModel = new ControlGroup({
"login": new Control(),
"passwords":
new ControlGroup({"password": new Control(), "passwordConfirm": new Control()})
});
form.form = formModel;
loginControlDir = new NgControlName(form, [Validators.required],
[asyncValidator("expected")], [defaultAccessor]);
loginControlDir.name = "login";
loginControlDir.valueAccessor = new DummyControlValueAccessor();
});
it("should reexport control properties", () => {
expect(form.control).toBe(formModel);
expect(form.value).toBe(formModel.value);
expect(form.valid).toBe(formModel.valid);
expect(form.errors).toBe(formModel.errors);
expect(form.pristine).toBe(formModel.pristine);
expect(form.dirty).toBe(formModel.dirty);
expect(form.touched).toBe(formModel.touched);
expect(form.untouched).toBe(formModel.untouched);
});
describe("addControl", () => {
it("should throw when no control found", () => {
var dir = new NgControlName(form, null, null, [defaultAccessor]);
dir.name = "invalidName";
expect(() => form.addControl(dir))
.toThrowError(new RegExp("Cannot find control 'invalidName'"));
});
it("should throw when no value accessor", () => {
var dir = new NgControlName(form, null, null, null);
dir.name = "login";
expect(() => form.addControl(dir))
.toThrowError(new RegExp("No value accessor for 'login'"));
});
it("should set up validators", fakeAsync(() => {
form.addControl(loginControlDir);
// sync validators are set
expect(formModel.hasError("required", ["login"])).toBe(true);
expect(formModel.hasError("async", ["login"])).toBe(false);
(<Control>formModel.find(["login"])).updateValue("invalid value");
// sync validator passes, running async validators
expect(formModel.pending).toBe(true);
tick();
expect(formModel.hasError("required", ["login"])).toBe(false);
expect(formModel.hasError("async", ["login"])).toBe(true);
}));
it("should write value to the DOM", () => {
(<Control>formModel.find(["login"])).updateValue("initValue");
form.addControl(loginControlDir);
expect((<any>loginControlDir.valueAccessor).writtenValue).toEqual("initValue");
});
it("should add the directive to the list of directives included in the form", () => {
form.addControl(loginControlDir);
expect(form.directives).toEqual([loginControlDir]);
});
});
describe("addControlGroup", () => {
var matchingPasswordsValidator = (g) => {
if (g.controls["password"].value != g.controls["passwordConfirm"].value) {
return {"differentPasswords": true};
} else {
return null;
}
};
it("should set up validator", fakeAsync(() => {
var group = new NgControlGroup(form, [matchingPasswordsValidator],
[asyncValidator('expected')]);
group.name = "passwords";
form.addControlGroup(group);
(<Control>formModel.find(["passwords", "password"])).updateValue("somePassword");
(<Control>formModel.find(["passwords", "passwordConfirm"]))
.updateValue("someOtherPassword");
// sync validators are set
expect(formModel.hasError("differentPasswords", ["passwords"])).toEqual(true);
(<Control>formModel.find(["passwords", "passwordConfirm"]))
.updateValue("somePassword");
// sync validators pass, running async validators
expect(formModel.pending).toBe(true);
tick();
expect(formModel.hasError("async", ["passwords"])).toBe(true);
}));
});
describe("removeControl", () => {
it("should remove the directive to the list of directives included in the form", () => {
form.addControl(loginControlDir);
form.removeControl(loginControlDir);
expect(form.directives).toEqual([]);
});
});
describe("ngOnChanges", () => {
it("should update dom values of all the directives", () => {
form.addControl(loginControlDir);
(<Control>formModel.find(["login"])).updateValue("new value");
form.ngOnChanges({});
expect((<any>loginControlDir.valueAccessor).writtenValue).toEqual("new value");
});
it("should set up a sync validator", () => {
var formValidator = (c) => ({"custom": true});
var f = new NgFormModel([formValidator], []);
f.form = formModel;
f.ngOnChanges({"form": new SimpleChange(null, null)});
expect(formModel.errors).toEqual({"custom": true});
});
it("should set up an async validator", fakeAsync(() => {
var f = new NgFormModel([], [asyncValidator("expected")]);
f.form = formModel;
f.ngOnChanges({"form": new SimpleChange(null, null)});
tick();
expect(formModel.errors).toEqual({"async": true});
}));
});
});
describe("NgForm", () => {
var form;
var formModel: ControlGroup;
var loginControlDir;
var personControlGroupDir;
beforeEach(() => {
form = new NgForm([], []);
formModel = form.form;
personControlGroupDir = new NgControlGroup(form, [], []);
personControlGroupDir.name = "person";
loginControlDir = new NgControlName(personControlGroupDir, null, null, [defaultAccessor]);
loginControlDir.name = "login";
loginControlDir.valueAccessor = new DummyControlValueAccessor();
});
it("should reexport control properties", () => {
expect(form.control).toBe(formModel);
expect(form.value).toBe(formModel.value);
expect(form.valid).toBe(formModel.valid);
expect(form.errors).toBe(formModel.errors);
expect(form.pristine).toBe(formModel.pristine);
expect(form.dirty).toBe(formModel.dirty);
expect(form.touched).toBe(formModel.touched);
expect(form.untouched).toBe(formModel.untouched);
});
describe("addControl & addControlGroup", () => {
it("should create a control with the given name", fakeAsync(() => {
form.addControlGroup(personControlGroupDir);
form.addControl(loginControlDir);
flushMicrotasks();
expect(formModel.find(["person", "login"])).not.toBeNull;
}));
// should update the form's value and validity
});
describe("removeControl & removeControlGroup", () => {
it("should remove control", fakeAsync(() => {
form.addControlGroup(personControlGroupDir);
form.addControl(loginControlDir);
form.removeControlGroup(personControlGroupDir);
form.removeControl(loginControlDir);
flushMicrotasks();
expect(formModel.find(["person"])).toBeNull();
expect(formModel.find(["person", "login"])).toBeNull();
}));
// should update the form's value and validity
});
it("should set up sync validator", fakeAsync(() => {
var formValidator = (c) => ({"custom": true});
var f = new NgForm([formValidator], []);
tick();
expect(f.form.errors).toEqual({"custom": true});
}));
it("should set up async validator", fakeAsync(() => {
var f = new NgForm([], [asyncValidator("expected")]);
tick();
expect(f.form.errors).toEqual({"async": true});
}));
});
describe("NgControlGroup", () => {
var formModel;
var controlGroupDir;
beforeEach(() => {
formModel = new ControlGroup({"login": new Control(null)});
var parent = new NgFormModel([], []);
parent.form = new ControlGroup({"group": formModel});
controlGroupDir = new NgControlGroup(parent, [], []);
controlGroupDir.name = "group";
});
it("should reexport control properties", () => {
expect(controlGroupDir.control).toBe(formModel);
expect(controlGroupDir.value).toBe(formModel.value);
expect(controlGroupDir.valid).toBe(formModel.valid);
expect(controlGroupDir.errors).toBe(formModel.errors);
expect(controlGroupDir.pristine).toBe(formModel.pristine);
expect(controlGroupDir.dirty).toBe(formModel.dirty);
expect(controlGroupDir.touched).toBe(formModel.touched);
expect(controlGroupDir.untouched).toBe(formModel.untouched);
});
});
describe("NgFormControl", () => {
var controlDir;
var control;
var checkProperties = function(control) {
expect(controlDir.control).toBe(control);
expect(controlDir.value).toBe(control.value);
expect(controlDir.valid).toBe(control.valid);
expect(controlDir.errors).toBe(control.errors);
expect(controlDir.pristine).toBe(control.pristine);
expect(controlDir.dirty).toBe(control.dirty);
expect(controlDir.touched).toBe(control.touched);
expect(controlDir.untouched).toBe(control.untouched);
};
beforeEach(() => {
controlDir = new NgFormControl([Validators.required], [], [defaultAccessor]);
controlDir.valueAccessor = new DummyControlValueAccessor();
control = new Control(null);
controlDir.form = control;
});
it("should reexport control properties", () => { checkProperties(control); });
it("should reexport new control properties", () => {
var newControl = new Control(null);
controlDir.form = newControl;
controlDir.ngOnChanges({"form": new SimpleChange(control, newControl)});
checkProperties(newControl);
});
it("should set up validator", () => {
expect(control.valid).toBe(true);
// this will add the required validator and recalculate the validity
controlDir.ngOnChanges({"form": new SimpleChange(null, control)});
expect(control.valid).toBe(false);
});
});
describe("NgModel", () => {
var ngModel;
beforeEach(() => {
ngModel =
new NgModel([Validators.required], [asyncValidator("expected")], [defaultAccessor]);
ngModel.valueAccessor = new DummyControlValueAccessor();
});
it("should reexport control properties", () => {
var control = ngModel.control;
expect(ngModel.control).toBe(control);
expect(ngModel.value).toBe(control.value);
expect(ngModel.valid).toBe(control.valid);
expect(ngModel.errors).toBe(control.errors);
expect(ngModel.pristine).toBe(control.pristine);
expect(ngModel.dirty).toBe(control.dirty);
expect(ngModel.touched).toBe(control.touched);
expect(ngModel.untouched).toBe(control.untouched);
});
it("should set up validator", fakeAsync(() => {
// this will add the required validator and recalculate the validity
ngModel.ngOnChanges({});
tick();
expect(ngModel.control.errors).toEqual({"required": true});
ngModel.control.updateValue("someValue");
tick();
expect(ngModel.control.errors).toEqual({"async": true});
}));
});
describe("NgControlName", () => {
var formModel;
var controlNameDir;
beforeEach(() => {
formModel = new Control("name");
var parent = new NgFormModel([], []);
parent.form = new ControlGroup({"name": formModel});
controlNameDir = new NgControlName(parent, [], [], [defaultAccessor]);
controlNameDir.name = "name";
});
it("should reexport control properties", () => {
expect(controlNameDir.control).toBe(formModel);
expect(controlNameDir.value).toBe(formModel.value);
expect(controlNameDir.valid).toBe(formModel.valid);
expect(controlNameDir.errors).toBe(formModel.errors);
expect(controlNameDir.pristine).toBe(formModel.pristine);
expect(controlNameDir.dirty).toBe(formModel.dirty);
expect(controlNameDir.touched).toBe(formModel.touched);
expect(controlNameDir.untouched).toBe(formModel.untouched);
});
});
});
}