sousa-gecko/testing/web-platform/tests/clipboard-apis/clipboard-item.https.html

<!doctype html>
<meta charset="utf-8">
<title>ClipboardItem tests</title>
<link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>

const blob = new Blob(['hello'], {type: 'text/plain'});
const blob2 = new Blob(['this should work'], {type: 'application/abc'});
const blob3 = new Blob(['web custom format should work'], {type: 'web application/abc'});

test(() => {
  new ClipboardItem({'text/plain': blob});
  new ClipboardItem({'application/abc': blob2});
  new ClipboardItem({'web text/plain': blob});
  new ClipboardItem({'web application/abc': blob3});
}, "ClipboardItem() succeeds with valid type strings");

test(() => {
  new ClipboardItem({'text/plain': blob, 'application/abc': blob2, 'web text/plain': blob3});
}, "ClipboardItem() succeeds with multiple valid type strings");

test(() => {
  new ClipboardItem({'text/plain': blob}, {});
}, "ClipboardItem() succeeds with empty options");

test(() => {
  assert_throws_js(TypeError, () => {new ClipboardItem({});});
}, "ClipboardItem({}) fails with empty dictionary input");

test(() => {
  assert_throws_js(TypeError, () => {new ClipboardItem(blob);});
}, "ClipboardItem(Blob) fails");

test(() => {
  assert_throws_js(TypeError, () => {new ClipboardItem(null);});
}, "ClipboardItem() fails with null input");

test(() => {
  assert_throws_js(TypeError, () => {new ClipboardItem();});
}, "ClipboardItem() fails with no input");

test(() => {
  assert_throws_js(TypeError, () => {new ClipboardItem({"not a/real type": blob2});});
}, "ClipboardItem() fails with invalid type string");

test(() => {
  assert_throws_js(TypeError, () => {new ClipboardItem({"web notarealtype": blob3});});
}, "ClipboardItem() fails with invalid web custom format");

test(() => {
  const item = new ClipboardItem({'text/plain': blob});
  const types = item.types;
  assert_equals(types.length, 1);
  assert_equals(types[0], 'text/plain');
  const item2 =
      new ClipboardItem({'text/plain': blob, 'application/abc': blob2, 'web application/abc': blob3});
  const types2 = item2.types;
  assert_equals(types2.length, 3);
  assert_equals(types2[0], 'text/plain');
  assert_equals(types2[1], 'application/abc');
  assert_equals(types2[2], 'web application/abc');
}, "types() returns correct values");

promise_test(async () => {
  const item =
      new ClipboardItem({'text/plain': blob});

  const blobOutput = await item.getType('text/plain');
  assert_true(blobOutput.type.includes('text/plain'));
  const text = await (new Response(blobOutput)).text();

  assert_equals('hello', text);
}, "getType(DOMString valid type) succeeds with correct output");

promise_test(async () => {
  const item1 =
      new ClipboardItem({'application/abc': blob2});
  const blobOutput1 = await item1.getType('application/abc');
  assert_true(blobOutput1.type.includes('application/abc'));
  const text1 = await (new Response(blobOutput1)).text();
  assert_equals('this should work', text1);

  const item2 =
      new ClipboardItem({'text/plain;foo=1': blob2});
  const blobOutput2 = await item2.getType('text/plain;foo=1');
  assert_true(blobOutput2.type.includes('application/abc'));
  const text2 = await (new Response(blobOutput2)).text();
  assert_equals('this should work', text2);

  const item3 =
      new ClipboardItem({'web text/plain;foo=1': blob2});
  const blobOutput3 = await item3.getType('web text/plain;foo=1');
  assert_true(blobOutput3.type.includes('application/abc'));
  const text3 = await (new Response(blobOutput3)).text();
  assert_equals('this should work', text3);

}, "getType(DOMString unsupported type) succeeds with correct output");

promise_test(async () => {
  const item =
      new ClipboardItem({'web application/abc': blob3});

  const blobOutput = await item.getType('web application/abc');
  assert_true(blobOutput.type.includes('web application/abc'));
  const text = await (new Response(blobOutput)).text();

  assert_equals('web custom format should work', text);
}, "getType(DOMString web custom format type) succeeds with correct output");

promise_test(async t => {
  const item =
      new ClipboardItem({'text/plain': blob});
  promise_rejects_dom(t, "NotFoundError", item.getType('web text/plain'));
  promise_rejects_js(t, TypeError, item.getType('not a/real type'),
    'getType(DOMString type) should reject with TypeError for invalid type');
}, "getType(DOMString type) rejects correctly when querying for missing type");

promise_test(async () => {
  const item =
      new ClipboardItem({'text/plain': 'abc', 'application/abc': 'xxx'});
  const blob = await item.getType('text/plain');
  assert_equals(blob.type, 'text/plain');

  const text = await (new Response(blob)).text();
  assert_equals(text, 'abc');
}, "getType(DOMString valid type) converts DOMString to Blob");

promise_test(async () => {
  const item =
      new ClipboardItem({'text/plain': 'abc', 'application/abc': 'xxx'});
  const blob = await item.getType('application/abc');
  assert_equals(blob.type, 'application/abc');

  const text = await (new Response(blob)).text();
  assert_equals(text, 'xxx');
}, "getType(DOMString unsupported type) converts DOMString to Blob");

promise_test(async () => {
  const item =
      new ClipboardItem({'web application/abc': 'xxx'});
  const blob = await item.getType('web application/abc');
  assert_equals(blob.type, 'web application/abc');

  const text = await (new Response(blob)).text();
  assert_equals(text, 'xxx');
}, "getType(DOMString web custom format type) converts DOMString to Blob");


[
  // mandatory data types
  ['text/plain', true],
  ['text/html',  true],
  ['image/png',  true],
  // optional data types
  ['text/uri-list', true],
  ['image/svg+xml', true],
  ['web foo/bar',   true],
  ['web text/html', true],
  // invalid types
  ['text/plain;foo=1',  false],
  ['web foo/bar;foo=1', false],
  ['web ',              false],
  ['web',               false],
  ['web foo',           false],
  ['foo/bar',           false],
  ['weB text/html',     false],
  [' web text/html',    false],
  ['not a/real type',   false],
  ['',                  false],
  [' ',                 false],
].forEach(([type, result]) => {
  promise_test(async () => {
    assert_equals(ClipboardItem.supports(type), result);
  }, `supports(${type}) returns ${result ? "true" : "false"}`);
});
</script>