| <!doctype html> |
| <html lang=en> |
| <meta charset=utf-8> |
| <title>XMLHttpRequest: Construct and upload FormData</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/semantics/forms/form-submission-0/resources/targetted-form.js"></script> |
| <link rel="help" href="https://xhr.spec.whatwg.org/#interface-formdata" data-tested-assertations="following::P[1]" /> |
| <link rel="help" href="https://xhr.spec.whatwg.org/#dom-formdata" data-tested-assertations=".. following::P[1]" /> |
| <link rel="help" href="https://xhr.spec.whatwg.org/#dom-formdata-append" data-tested-assertations=".. following::UL[1]/LI[1] following::UL[1]/LI[2] following::UL[1]/LI[3]" /> |
| <link rel="help" href="https://xhr.spec.whatwg.org/#dom-XMLHttpRequest-send-FormData" data-tested-assertations="following::DD[1]" /> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#constructing-the-form-data-set"> |
| |
| <div id="log"></div> |
| <form id="form"> |
| <input type="hidden" name="key" value="value"> |
| </form> |
| <script> |
| function do_test (name, fd, expected) { |
| var test = async_test(name); |
| test.step(function() { |
| var client = new XMLHttpRequest(); |
| client.onreadystatechange = test.step_func(function () { |
| if (client.readyState !== 4) return; |
| assert_equals(client.responseText, expected); |
| test.done(); |
| }); |
| client.open("POST", "resources/upload.py"); |
| client.send(fd); |
| }); |
| } |
| |
| function create_formdata () { |
| var fd = new FormData(); |
| for (var i = 0; i < arguments.length; i++) { |
| fd.append.apply(fd, arguments[i]); |
| }; |
| return fd; |
| } |
| |
| test(() => { |
| assert_throws_js(TypeError, () => { new FormData(null); }); |
| assert_throws_js(TypeError, () => { new FormData("string"); }); |
| }, "Constructors should throw a type error"); |
| |
| do_test("empty formdata", new FormData(), '\n'); |
| do_test("formdata with string", create_formdata(['key', 'value']), 'key=value,\n'); |
| do_test("formdata with named string", create_formdata(['key', new Blob(['value'], {type: 'text/plain'}), 'kv.txt']), '\nkey=kv.txt:text/plain:5,'); |
| do_test("formdata from form", new FormData(document.getElementById('form')), 'key=value,\n'); |
| |
| test(() => { |
| let form = populateForm('<input name=n1 value=v1>'); |
| let formDataInEvent = null; |
| form.addEventListener('formdata', e => { |
| e.formData.append('h1', 'vh1'); |
| formDataInEvent = e.formData; |
| }); |
| let formData = new FormData(form); |
| assert_equals(formData.get('h1'), 'vh1'); |
| assert_equals(formData.get('n1'), 'v1'); |
| assert_not_equals(formData, formDataInEvent, |
| '"formData" attribute should be different from the ' + |
| 'FromData object created by "new"'); |
| |
| formDataInEvent.append('later-key', 'later-value'); |
| assert_false(formData.has('later-key')); |
| }, 'Newly created FormData contains entries added to "formData" IDL ' + |
| 'attribute of FormDataEvent.'); |
| |
| test(() => { |
| let form = populateForm('<input name=n11 value=v11>'); |
| let counter = 0; |
| form.addEventListener('formdata', e => { |
| ++counter; |
| assert_throws_dom('InvalidStateError', () => { new FormData(e.target) }); |
| }); |
| new FormData(form); |
| assert_equals(counter, 1); |
| |
| form.submit(); |
| assert_equals(counter, 2); |
| }, '|new FormData()| in formdata event handler should throw'); |
| </script> |
