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import { serializeForm } 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 = `<select name="${name}">`;
value.forEach(v => {
if (v.length > 0) {
str += `<option value="${v}"></option> `;
}
});
str += `</select>`;
} else {
str = `<input type="${type}" name="${name}" value="${value}" checked/>`;
}
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',
});
});
});
});
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