angular/packages/forms/signals/test/node/submit.spec.ts
Miles Malerba f56bb07d83 feat(forms): add field param to submit action and onInvalid
The `action` and `onInvalid` handlers now recevie two pieces of
information:
1. The form that is being submitted
2. The specific field that the submit was triggered on

Remove the `submit()` method on field state - supporting this is complex
from a typing perspective, since the `FieldState` only knows its
`TValue` type, not the `TModel` type of its owning `FieldTree`. Rather
than try to pack additional generics on to `FieldState`, we'll just
leave the `submit` function as a standalone importable function.
2026-02-09 14:49:43 -08:00

647 lines
18 KiB
TypeScript

/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.dev/license
*/
import {ApplicationRef, Injector, resource, signal} from '@angular/core';
import {TestBed} from '@angular/core/testing';
import {
disabled,
form,
hidden,
readonly,
required,
requiredError,
submit,
validateAsync,
ValidationError,
} from '../../public_api';
describe('submit', () => {
let injector: Injector;
beforeEach(() => {
injector = TestBed.inject(Injector);
});
it('fails fast on invalid form', async () => {
const data = signal({first: '', last: ''});
const f = form(
data,
(name) => {
required(name.first);
},
{injector},
);
expect(
await submit(f, {
action: async (form) => {
fail('Submit action should run not on invalid form');
},
}),
).toBe(false);
expect(f.first().errors()).toEqual([requiredError({fieldTree: f.first})]);
});
describe('while pending', () => {
it('should not block', async () => {
const data = signal('');
const {promise} = promiseWithResolvers();
const f = form(
data,
(p) => {
validateAsync(p, {
params: ({value}) => value(),
factory: (params) =>
resource({
params,
loader: () => promise,
}),
onSuccess: () => {},
onError: () => {},
});
},
{injector},
);
expect(f().pending()).toBe(true);
const submitSpy = jasmine.createSpy();
expect(await submit(f, {action: submitSpy})).toBe(true);
expect(f().pending()).toBe(true);
expect(submitSpy).toHaveBeenCalled();
});
it('should retain submit errors after pending validation resolves', async () => {
const appRef = TestBed.inject(ApplicationRef);
const data = signal('foo');
const {promise, resolve} = promiseWithResolvers<boolean>();
const f = form(
data,
(p) => {
validateAsync(p, {
params: ({value}) => value(),
factory: (params) =>
resource({
params,
loader: () => promise,
}),
onSuccess: () => ({kind: 'async'}),
onError: (error) => fail(error),
});
},
{injector: TestBed.inject(Injector)},
);
await submit(f, {action: async () => ({kind: 'submit'})});
expect(f().errorSummary()).toEqual([jasmine.objectContaining({kind: 'submit'})]);
resolve(true);
await appRef.whenStable();
expect(f().errorSummary()).toEqual([jasmine.objectContaining({kind: 'submit'})]);
});
it('should resolve pending validation on subfield', async () => {
const appRef = TestBed.inject(ApplicationRef);
const data = signal({first: 'foo', last: 'bar'});
const {promise, resolve} = promiseWithResolvers<boolean>();
const f = form(
data,
(p) => {
validateAsync(p.first, {
params: ({value}) => value(),
factory: (params) =>
resource({
params,
loader: () => promise,
}),
onSuccess: () => ({kind: 'async'}),
onError: (error) => fail(error),
});
},
{injector: TestBed.inject(Injector)},
);
await submit(f, {action: async () => ({kind: 'submit'})});
expect(f().errorSummary()).toEqual([jasmine.objectContaining({kind: 'submit'})]);
resolve(true);
await appRef.whenStable();
expect(f().errorSummary()).toEqual([
jasmine.objectContaining({kind: 'submit', fieldTree: f}),
jasmine.objectContaining({kind: 'async', fieldTree: f.first}),
]);
});
it('should resolve pending validation after successful submit', async () => {
const appRef = TestBed.inject(ApplicationRef);
const data = signal('foo');
const {promise, resolve} = promiseWithResolvers();
const f = form(
data,
(p) => {
validateAsync(p, {
params: ({value}) => value(),
factory: (params) =>
resource({
params,
loader: () => promise,
}),
onSuccess: () => ({kind: 'async'}),
onError: (error) => fail(error),
});
},
{injector: TestBed.inject(Injector)},
);
await submit(f, {action: async () => undefined});
expect(f().errorSummary()).toEqual([]);
resolve(true);
await appRef.whenStable();
expect(f().errorSummary()).toEqual([jasmine.objectContaining({kind: 'async'})]);
});
});
it('maps error to a field', async () => {
const data = signal({first: '', last: ''});
const f = form(
data,
(name) => {
// first name required if last name specified
required(name.first, {when: ({valueOf}) => valueOf(name.last) !== ''});
},
{injector},
);
expect(
await submit(f, {
action: (field) => {
return Promise.resolve({
kind: 'lastName',
fieldTree: field.last,
});
},
}),
).toBe(false);
expect(f.last().errors()).toEqual([{kind: 'lastName', fieldTree: f.last}]);
});
it('maps errors to multiple fields', async () => {
const data = signal({first: '', last: ''});
const f = form(data, {injector});
expect(
await submit(f, {
action: (field) => {
return Promise.resolve([
{
kind: 'firstName',
fieldTree: field.first,
},
{
kind: 'lastName',
fieldTree: field.last,
},
{
kind: 'lastName2',
fieldTree: field.last,
},
]);
},
}),
).toBe(false);
expect(f.first().errors()).toEqual([{kind: 'firstName', fieldTree: f.first}]);
expect(f.last().errors()).toEqual([
{kind: 'lastName', fieldTree: f.last},
{kind: 'lastName2', fieldTree: f.last},
]);
});
it('can read value from field state', async () => {
const initialValue = {first: 'meow', last: 'wuf'};
const data = signal(initialValue);
const f = form(
data,
(name) => {
// first name required if last name specified
required(name.first, {when: ({valueOf}) => valueOf(name.last) !== ''});
},
{injector},
);
const submitSpy = jasmine.createSpy('submit');
expect(
await submit(f, {
action: (form) => {
submitSpy(form().value());
return Promise.resolve();
},
}),
).toBe(true);
expect(submitSpy).toHaveBeenCalledWith(initialValue);
});
it('maps untargeted errors to form root', async () => {
const data = signal({first: '', last: ''});
const f = form(
data,
(name) => {
// first name required if last name specified
required(name.first, {when: ({valueOf}) => valueOf(name.last) !== ''});
},
{injector},
);
expect(
await submit(f, {
action: () => {
return Promise.resolve({kind: 'custom'});
},
}),
).toBe(false);
expect(f().errors()).toEqual([{kind: 'custom', fieldTree: f}]);
});
it('marks the form as submitting', async () => {
const initialValue = {first: 'meow', last: 'wuf'};
const data = signal(initialValue);
const f = form(
data,
(name) => {
// first name required if last name specified
required(name.first, {when: ({valueOf}) => valueOf(name.last) !== ''});
},
{injector},
);
expect(f().submitting()).toBe(false);
const {promise, resolve} = promiseWithResolvers<ValidationError[]>();
const result = submit(f, {action: () => promise});
expect(f().submitting()).toBe(true);
resolve([]);
expect(await result).toBe(true);
});
it('marks descendants as submitting', async () => {
const initialValue = {a: {b: 12}};
const data = signal(initialValue);
const f = form(data, {injector});
expect(f.a.b().submitting()).toBe(false);
const {promise, resolve} = promiseWithResolvers<ValidationError[]>();
const result = submit(f, {action: () => promise});
expect(f.a.b().submitting()).toBe(true);
resolve([]);
expect(await result).toBe(true);
});
it('marks the form as touched', async () => {
const initialValue = {first: 'meow', last: 'wuf'};
const data = signal(initialValue);
const f = form(data, {injector});
expect(f().touched()).toBe(false);
expect(await submit(f, {action: async () => []})).toBe(true);
expect(f().touched()).toBe(true);
});
it('marks descendants as touched', async () => {
const initialValue = {a: {b: 12}};
const data = signal(initialValue);
const f = form(data, {injector});
expect(f.a.b().touched()).toBe(false);
expect(await submit(f, {action: async () => []})).toBe(true);
expect(f.a.b().touched()).toBe(true);
});
it('works on child fields', async () => {
const initialValue = {first: 'meow', last: 'wuf'};
const data = signal(initialValue);
const f = form(
data,
(name) => {
// first name required if last name specified
required(name.first, {
when: ({valueOf}) => valueOf(name.last) !== '',
});
},
{injector},
);
const submitSpy = jasmine.createSpy('submit');
expect(
await submit(f.first, {
action: (_, {root, submitted}) => {
submitSpy(root().value(), submitted().value());
return Promise.resolve({kind: 'lastName'});
},
}),
).toBe(false);
expect(submitSpy).toHaveBeenCalledWith({first: 'meow', last: 'wuf'}, 'meow');
});
it('recovers from errors thrown by submit action', async () => {
const f = form(signal(0), {injector});
expect(f().submitting()).toBe(false);
const {promise, reject} = promiseWithResolvers<ValidationError[]>();
const submitPromise = submit(f, {action: () => promise});
expect(f().submitting()).toBe(true);
const error = new Error('submit failed');
reject(error);
await expectAsync(submitPromise).toBeRejectedWith(error);
expect(f().submitting()).toBe(false);
});
it('errors are cleared on edit', async () => {
const data = signal({first: '', last: ''});
const f = form(data, {injector});
expect(
await submit(f, {
action: async (form) => {
return [
{kind: 'submit', fieldTree: f.first},
{kind: 'submit', fieldTree: f.last},
];
},
}),
).toBe(false);
expect(f.first().errors()).toEqual([{kind: 'submit', fieldTree: f.first}]);
expect(f.last().errors()).toEqual([{kind: 'submit', fieldTree: f.last}]);
f.first().value.set('Hello');
expect(f.first().errors()).toEqual([]);
expect(f.last().errors()).toEqual([{kind: 'submit', fieldTree: f.last}]);
});
it('does not mark disabled fields as touched', async () => {
const data = signal({first: '', last: ''});
const f = form(
data,
(name) => {
// Disable first name when last name is empty.
disabled(name.first, ({valueOf}) => valueOf(name.last) === '');
},
{injector: TestBed.inject(Injector)},
);
expect(f.first().disabled()).toBe(true);
expect(f.first().touched()).toBe(false);
expect(f.last().touched()).toBe(false);
await submit(f, {action: async () => []});
expect(f.first().touched()).toBe(false);
expect(f.last().touched()).toBe(true);
// Set last name to make first name enabled.
f.last().value.set('Doe');
expect(f.first().disabled()).toBe(false);
expect(f.first().touched()).toBe(false);
});
it('does not mark hidden fields as touched', async () => {
const data = signal({first: '', last: ''});
const f = form(
data,
(name) => {
// Hide first name when last name is empty.
hidden(name.first, ({valueOf}) => valueOf(name.last) === '');
},
{injector: TestBed.inject(Injector)},
);
expect(f.first().hidden()).toBe(true);
expect(f.first().touched()).toBe(false);
expect(f.last().touched()).toBe(false);
await submit(f, {action: async () => []});
expect(f.first().touched()).toBe(false);
expect(f.last().touched()).toBe(true);
// Set last name to make first name visible.
f.last().value.set('Doe');
expect(f.first().hidden()).toBe(false);
expect(f.first().touched()).toBe(false);
});
it('does not mark readonly fields as touched', async () => {
const data = signal({first: '', last: ''});
const f = form(
data,
(name) => {
// Make first name readonly when last name is empty.
readonly(name.first, ({valueOf}) => valueOf(name.last) === '');
},
{injector: TestBed.inject(Injector)},
);
expect(f.first().readonly()).toBe(true);
expect(f.first().touched()).toBe(false);
expect(f.last().touched()).toBe(false);
await submit(f, {action: async () => []});
expect(f.first().touched()).toBe(false);
expect(f.last().touched()).toBe(true);
// Set last name to make first name enabled.
f.last().value.set('Doe');
expect(f.first().readonly()).toBe(false);
expect(f.first().touched()).toBe(false);
});
it('calls onInvalid when form is invalid', async () => {
const data = signal({first: '', last: ''});
const f = form(
data,
(name) => {
required(name.first);
},
{injector},
);
const onInvalidSpy = jasmine.createSpy('onInvalid');
expect(
await submit(f, {
action: async () => {
fail('Submit action should run not on invalid form');
},
onInvalid: onInvalidSpy,
}),
).toBe(false);
expect(onInvalidSpy).toHaveBeenCalledWith(f, {root: f, submitted: f});
});
it('runs action on invalid form with ignoreValidators: all', async () => {
const data = signal({first: '', last: ''});
const f = form(
data,
(name) => {
required(name.first);
},
{injector},
);
const submitSpy = jasmine.createSpy('submit');
expect(
await submit(f, {
action: submitSpy,
ignoreValidators: 'all',
}),
).toBe(true);
expect(submitSpy).toHaveBeenCalled();
expect(f.first().errors()).toEqual([requiredError({fieldTree: f.first})]);
});
it('fails with pending validators with ignoreValidators: none', async () => {
const data = signal('');
const resolvers = promiseWithResolvers();
const f = form(
data,
(p) => {
validateAsync(p, {
params: ({value}) => value(),
factory: (params) =>
resource({
params,
loader: () => resolvers.promise,
}),
onSuccess: () => {},
onError: () => {},
});
},
{injector},
);
const submitSpy = jasmine.createSpy('submit');
const submitPromise = submit(f, {
action: submitSpy,
ignoreValidators: 'none',
});
expect(f().submitting()).toBe(false);
expect(submitSpy).not.toHaveBeenCalled();
expect(await submitPromise).toBe(false);
// Resolve as valid
resolvers.resolve(undefined);
});
it('falls back to form-level submit options', async () => {
const data = signal({first: '', last: ''});
const submitSpy = jasmine.createSpy('submit');
const f = form(
data,
(name) => {
required(name.first);
},
{injector, submission: {action: submitSpy}},
);
f.first().value.set('John');
expect(await submit(f)).toBe(true);
expect(submitSpy).toHaveBeenCalled();
});
it('throws when no submit options are provided', async () => {
const data = signal({first: ''});
const f = form(data, {injector});
await expectAsync(submit(f)).toBeRejectedWithError(
/Cannot submit form with no submit action\. Specify the action when creating the form, or as an additional argument to `submit\(\)`\./,
);
});
it('overrides form-level submit options', async () => {
const data = signal({first: ''});
const defaultSpy = jasmine.createSpy('defaultSpy');
const overrideSpy = jasmine.createSpy('overrideSpy');
const f = form(data, {injector, submission: {action: defaultSpy}});
expect(await submit(f, {action: overrideSpy})).toBe(true);
expect(defaultSpy).not.toHaveBeenCalled();
expect(overrideSpy).toHaveBeenCalled();
});
it('uses the submitted field as the contextual field for options specified at submit time', async () => {
const data = signal({name: 'Alice'});
const submitSpy = jasmine.createSpy('submit');
const f = form(data, {injector});
expect(
await submit(f.name, {
action: async (field, {root, submitted}) => {
submitSpy(field().value(), root().value(), submitted().value());
return undefined;
},
}),
).toBe(true);
expect(submitSpy).toHaveBeenCalledWith('Alice', {name: 'Alice'}, 'Alice');
});
it('uses the root field as the contextual field for options specified at form creation time', async () => {
const data = signal({name: 'Alice'});
const submitSpy = jasmine.createSpy('submit');
const f = form(data, {
injector,
submission: {
action: async (field, {root, submitted}) => {
submitSpy(field().value(), root().value(), submitted().value());
return undefined;
},
},
});
expect(await submit(f.name)).toBe(true);
expect(submitSpy).toHaveBeenCalledWith({name: 'Alice'}, {name: 'Alice'}, 'Alice');
});
});
/**
* Replace with `Promise.withResolvers()` once it's available.
*
* See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/withResolvers.
*/
function promiseWithResolvers<T>(): {
promise: Promise<T>;
resolve: (value: T | PromiseLike<T>) => void;
reject: (reason?: any) => void;
} {
let resolve!: (value: T | PromiseLike<T>) => void;
let reject!: (reason?: any) => void;
const promise = new Promise<T>((res, rej) => {
resolve = res;
reject = rej;
});
return {promise, resolve, reject};
}