import { serializeForm, serializeFormObject, isEmptyValue } from '~/lib/utils/forms';
describe('lib/utils/forms', () => {
const createDummyForm = (inputs) => {
const form = document.createElement('form');
form.innerHTML = inputs
.map(({ type, name, value }) => {
let str = ``;
if (type === 'select') {
str = ``;
} else {
str = ``;
}
return str;
})
.join('');
return form;
};
describe('serializeForm', () => {
it('returns an object of key values from inputs', () => {
const form = createDummyForm([
{ type: 'text', name: 'foo', value: 'foo-value' },
{ type: 'text', name: 'bar', value: 'bar-value' },
]);
const data = serializeForm(form);
expect(data).toEqual({
foo: 'foo-value',
bar: 'bar-value',
});
});
it('works with select', () => {
const form = createDummyForm([
{ type: 'select', name: 'foo', value: ['foo-value1', 'foo-value2'] },
{ type: 'text', name: 'bar', value: 'bar-value1' },
]);
const data = serializeForm(form);
expect(data).toEqual({
foo: 'foo-value1',
bar: 'bar-value1',
});
});
it('works with multiple inputs of the same name', () => {
const form = createDummyForm([
{ type: 'checkbox', name: 'foo', value: 'foo-value3' },
{ type: 'checkbox', name: 'foo', value: 'foo-value2' },
{ type: 'checkbox', name: 'foo', value: 'foo-value1' },
{ type: 'text', name: 'bar', value: 'bar-value2' },
{ type: 'text', name: 'bar', value: 'bar-value1' },
]);
const data = serializeForm(form);
expect(data).toEqual({
foo: ['foo-value3', 'foo-value2', 'foo-value1'],
bar: ['bar-value2', 'bar-value1'],
});
});
it('handles Microsoft Edge FormData.getAll() bug', () => {
const formData = [
{ type: 'checkbox', name: 'foo', value: 'foo-value1' },
{ type: 'text', name: 'bar', value: 'bar-value2' },
];
const form = createDummyForm(formData);
jest
.spyOn(FormData.prototype, 'getAll')
.mockImplementation((name) =>
formData.map((elem) => (elem.name === name ? elem.value : undefined)),
);
const data = serializeForm(form);
expect(data).toEqual({
foo: 'foo-value1',
bar: 'bar-value2',
});
});
});
describe('isEmptyValue', () => {
it.each`
input | returnValue
${''} | ${true}
${[]} | ${true}
${null} | ${true}
${undefined} | ${true}
${'hello'} | ${false}
${' '} | ${false}
${0} | ${false}
`('returns $returnValue for value $input', ({ input, returnValue }) => {
expect(isEmptyValue(input)).toBe(returnValue);
});
});
describe('serializeFormObject', () => {
it('returns an serialized object', () => {
const form = {
profileName: { value: 'hello', state: null, feedback: null },
spiderTimeout: { value: 2, state: true, feedback: null },
targetTimeout: { value: 12, state: true, feedback: null },
};
expect(serializeFormObject(form)).toEqual({
profileName: 'hello',
spiderTimeout: 2,
targetTimeout: 12,
});
});
it('returns only the entries with value', () => {
const form = {
profileName: { value: '', state: null, feedback: null },
spiderTimeout: { value: 0, state: null, feedback: null },
targetTimeout: { value: null, state: null, feedback: null },
name: { value: undefined, state: null, feedback: null },
};
expect(serializeFormObject(form)).toEqual({
spiderTimeout: 0,
});
});
});
});