angular-docs-cn/modules/@angular/common/test/forms/directives_spec.ts

469 lines
17 KiB
TypeScript

import {afterEach, beforeEach, ddescribe, describe, expect, iit, inject, it, xit} from '@angular/core/testing/testing_internal';
import {fakeAsync, flushMicrotasks, Log, tick,} from '@angular/core/testing';
import {SpyNgControl, SpyValueAccessor} from '../spies';
import {FormGroup, FormControl, NgControlName, NgControlGroup, NgFormModel, ControlValueAccessor, Validators, NgForm, NgModel, FormControlDirective, NgControl, DefaultValueAccessor, CheckboxControlValueAccessor, SelectControlValueAccessor, Validator} from '@angular/common/src/forms';
import {selectValueAccessor, composeValidators} from '@angular/common/src/forms/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: any /** TODO #9100 */;
registerOnChange(fn: any /** TODO #9100 */) {}
registerOnTouched(fn: any /** TODO #9100 */) {}
writeValue(obj: any): void { this.writtenValue = obj; }
}
class CustomValidatorDirective implements Validator {
validate(c: FormControl): {[key: string]: any} { return {'custom': true}; }
}
function asyncValidator(expected: any /** TODO #9100 */, timeout = 0) {
return (c: any /** TODO #9100 */) => {
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 = (_: any /** TODO #9100 */) => ({'dummy1': true});
var dummy2 = (_: any /** TODO #9100 */) => ({'dummy2': true});
var v = composeValidators([dummy1, dummy2]);
expect(v(new FormControl(''))).toEqual({'dummy1': true, 'dummy2': true});
});
it('should compose validator directives', () => {
var dummy1 = (_: any /** TODO #9100 */) => ({'dummy1': true});
var v = composeValidators([dummy1, new CustomValidatorDirective()]);
expect(v(new FormControl(''))).toEqual({'dummy1': true, 'custom': true});
});
});
});
describe('NgFormModel', () => {
var form: any /** TODO #9100 */;
var formModel: FormGroup;
var loginControlDir: any /** TODO #9100 */;
beforeEach(() => {
form = new NgFormModel([], []);
formModel = new FormGroup({
'login': new FormControl(),
'passwords': new FormGroup(
{'password': new FormControl(), 'passwordConfirm': new FormControl()})
});
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);
(<FormControl>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', () => {
(<FormControl>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('addFormGroup', () => {
var matchingPasswordsValidator = (g: any /** TODO #9100 */) => {
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.addFormGroup(group);
(<FormControl>formModel.find(['passwords', 'password'])).updateValue('somePassword');
(<FormControl>formModel.find([
'passwords', 'passwordConfirm'
])).updateValue('someOtherPassword');
// sync validators are set
expect(formModel.hasError('differentPasswords', ['passwords'])).toEqual(true);
(<FormControl>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);
(<FormControl>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: any /** TODO #9100 */) => ({'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: any /** TODO #9100 */;
var formModel: FormGroup;
var loginControlDir: any /** TODO #9100 */;
var personControlGroupDir: any /** TODO #9100 */;
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 & addFormGroup', () => {
it('should create a control with the given name', fakeAsync(() => {
form.addFormGroup(personControlGroupDir);
form.addControl(loginControlDir);
flushMicrotasks();
expect(formModel.find(['person', 'login'])).not.toBeNull;
}));
// should update the form's value and validity
});
describe('removeControl & removeFormGroup', () => {
it('should remove control', fakeAsync(() => {
form.addFormGroup(personControlGroupDir);
form.addControl(loginControlDir);
form.removeFormGroup(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: any /** TODO #9100 */) => ({'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: any /** TODO #9100 */;
var controlGroupDir: any /** TODO #9100 */;
beforeEach(() => {
formModel = new FormGroup({'login': new FormControl(null)});
var parent = new NgFormModel([], []);
parent.form = new FormGroup({'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('FormControlDirective', () => {
var controlDir: any /** TODO #9100 */;
var control: any /** TODO #9100 */;
var checkProperties = function(control: any /** TODO #9100 */) {
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 FormControlDirective([Validators.required], [], [defaultAccessor]);
controlDir.valueAccessor = new DummyControlValueAccessor();
control = new FormControl(null);
controlDir.form = control;
});
it('should reexport control properties', () => { checkProperties(control); });
it('should reexport new control properties', () => {
var newControl = new FormControl(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: any /** TODO #9100 */;
beforeEach(() => {
ngModel = new NgModel(
null, [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: any /** TODO #9100 */;
var controlNameDir: any /** TODO #9100 */;
beforeEach(() => {
formModel = new FormControl('name');
var parent = new NgFormModel([], []);
parent.form = new FormGroup({'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);
});
});
});
}