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import React from 'react';
import {
fireEvent,
render,
renderHook,
screen,
waitFor,
} from '@testing-library/react';
import { Controller } from '../../controller';
import { useForm } from '../../useForm';
import { FormProvider, useFormContext } from '../../useFormContext';
import { useFormState } from '../../useFormState';
describe('getValues', () => {
it('should return defaultValues before inputs mounted', () => {
let values;
const Component = () => {
const { getValues } = useForm({
defaultValues: {
test: 'test',
},
});
values = getValues();
return null;
};
const { rerender } = render(<Component />);
expect(values).toEqual({
test: 'test',
});
rerender(<Component />);
expect(values).toEqual({
test: 'test',
});
});
it('should call getFieldsValues and return all values', () => {
const { result } = renderHook(() => useForm<{ test: string }>());
result.current.register('test');
result.current.setValue('test', 'test');
expect(result.current.getValues()).toEqual({ test: 'test' });
});
it('should get individual field value', () => {
const { result } = renderHook(() =>
useForm<{ test: string }>({
defaultValues: {
test: '123',
},
}),
);
result.current.register('test');
expect(result.current.getValues('test')).toEqual('123');
});
it('should get all field values', () => {
const values = {
test: 'test',
test1: 'test1',
test2: 'test2',
};
const { result } = renderHook(() =>
useForm<{ test: string; test1: string; test2: string }>({
defaultValues: values,
}),
);
result.current.register('test');
result.current.register('test1');
result.current.register('test2');
result.current.setValue('test', 'test');
result.current.setValue('test1', 'test1');
result.current.setValue('test2', 'test2');
expect(result.current.getValues(['test', 'test1', 'test2'])).toEqual([
'test',
'test1',
'test2',
]);
});
it('should get undefined when field not found', () => {
const { result } = renderHook(() => useForm());
expect(result.current.getValues('test')).toEqual(undefined);
});
it('should get value from shallowFieldsStateRef by name', () => {
const { result, unmount } = renderHook(() =>
useForm<{
test: string;
}>(),
);
result.current.register('test');
result.current.setValue('test', 'test');
unmount();
expect(result.current.getValues('test')).toEqual('test');
});
it('should get value from shallowFieldsStateRef by array', () => {
const { result, unmount } = renderHook(() =>
useForm<{
test: string;
}>(),
);
result.current.register('test');
result.current.setValue('test', 'test');
unmount();
expect(result.current.getValues(['test'])).toEqual(['test']);
});
it('should get value from shallowFieldsStateRef', () => {
const { result, unmount } = renderHook(() =>
useForm<{
test: string;
}>(),
);
result.current.register('test');
result.current.setValue('test', 'test');
unmount();
expect(result.current.getValues()).toEqual({
test: 'test',
});
});
it('should get value from default value by name when field is not registered', () => {
const { result } = renderHook(() =>
useForm({
defaultValues: {
test: 'default',
},
}),
);
expect(result.current.getValues('test')).toEqual('default');
});
it('should get value from default value by array when field is not registered', () => {
const { result } = renderHook(() =>
useForm({
defaultValues: {
test: 'default',
},
}),
);
expect(result.current.getValues(['test'])).toEqual(['default']);
});
it('should not get value from default value when field is not registered', () => {
const { result } = renderHook(() =>
useForm({
defaultValues: {
test: 'default',
},
}),
);
expect(result.current.getValues()).toEqual({
test: 'default',
});
});
it('should return defaultValues when inputs are not registered', () => {
let data: unknown;
const Component = () => {
const { getValues } = useForm({
defaultValues: {
test: 'test',
},
});
if (!data) {
data = getValues();
}
return null;
};
render(<Component />);
expect(data).toEqual({ test: 'test' });
});
it('should return defaultValues deep merge with form values', async () => {
let data: unknown;
const Component = () => {
const { getValues, register } = useForm({
defaultValues: {
test: {
firstName: 'test',
lastName: 'test',
time: new Date('1999-09-09'),
file: new File([''], 'filename'),
},
},
});
if (!data) {
data = getValues();
}
return (
<div>
<input {...register('test.firstName')} />
<button
onClick={() => {
data = getValues();
}}
>
getValues
</button>
</div>
);
};
render(<Component />);
expect(data).toEqual({
test: {
firstName: 'test',
lastName: 'test',
time: new Date('1999-09-09'),
file: new File([''], 'filename'),
},
});
fireEvent.change(screen.getByRole('textbox'), {
target: {
value: '1234',
},
});
fireEvent.click(screen.getByRole('button'));
expect(data).toMatchObject({
test: {
firstName: '1234',
lastName: 'test',
},
});
});
it('should return mounted input value after async reset', async () => {
let updatedValue: unknown;
type FormValues = {
firstName: string;
};
function Form() {
const { handleSubmit, reset, getValues } = useFormContext();
const { isDirty, isValid } = useFormState();
return (
<form
onSubmit={handleSubmit(async (data) => {
await Promise.resolve();
reset(data);
})}
>
<button
type={'button'}
onClick={() => {
updatedValue = getValues();
}}
>
getValues
</button>
<button type="submit" disabled={!isDirty || !isValid}>
submit
</button>
<Controller
name="firstName"
rules={{ required: true }}
render={({ field }) => <input {...field} />}
/>
</form>
);
}
function App() {
const methods = useForm<FormValues>({
defaultValues: {
firstName: 'test',
},
});
return (
<FormProvider {...methods}>
<Form />
</FormProvider>
);
}
render(<App />);
fireEvent.change(screen.getByRole('textbox'), {
target: { value: 'test1' },
});
fireEvent.click(screen.getByRole('button', { name: 'submit' }));
expect(screen.getByRole('button', { name: 'submit' })).toBeDisabled();
fireEvent.change(screen.getByRole('textbox'), {
target: { value: 'test2' },
});
await waitFor(() =>
expect(screen.getByRole('button', { name: 'submit' })).not.toBeDisabled(),
);
fireEvent.click(screen.getByRole('button', { name: 'getValues' }));
expect(updatedValue).toEqual({
firstName: 'test2',
});
fireEvent.change(screen.getByRole('textbox'), {
target: { value: 'test3' },
});
expect(screen.getByRole('button', { name: 'submit' })).not.toBeDisabled();
});
});
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