async-unsanitized-html-formats-write-read.tentative.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /clipboard-apis/async-unsanitized-html-formats-write-read.tentative.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>Async Clipboard unsanitized HTML write -> Async Clipboard unsanitized HTML read test</title>

<link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">

<body>Body needed for test_driver.click()</body>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/resources/testdriver.js"></script>

<script src="/resources/testdriver-vendor.js"></script>

<script src="resources/user-activation.js"></script>

<script>

'use strict';

// This function removes extra spaces between tags in html. For example, the

// following html: "<p> Hello </p>   <body> World </body>" would turn into this

//           html: "<p> Hello </p> <body> World </body>"

// We remove the extra spaces because in html they are considered equivalent,

// but when we are comparing for equality the spaces make a difference.

function reformatHtml(html) {

  const parser = new DOMParser();

  const htmlString =

        parser.parseFromString(html, 'text/html').documentElement.innerHTML;

  const reformattedString = htmlString.replace(/\>\s*\</g, '> <');

  return reformattedString;

// Writes a payload with custom content and checks to ensure the correct data

// was written successfully.

promise_test(async t => {

  await tryGrantReadPermission();

  await tryGrantWritePermission();

  // Create and write unsanitized version of standard HTML and custom formats.

  const format1 = 'text/html';

  const format2 = 'web text/html';

  const textInput = '<style>p {color:blue}</style><p>Hello World</p>';

  const blobInput1 = new Blob([textInput], {type: format1});

  const blobInput2 = new Blob([textInput], {type: format2});

  const clipboardItemInput = new ClipboardItem(

      {[format1]: blobInput1, [format2]: blobInput2});

  await waitForUserActivation();

  await navigator.clipboard.write([clipboardItemInput]);

  // Read unsanitized version of HTML format.

  await waitForUserActivation();

  const clipboardItems = await navigator.clipboard.read();

  assert_equals(clipboardItems.length, 1);

  const clipboardItem = clipboardItems[0];

  assert_true(clipboardItem instanceof ClipboardItem);

  const blobOutput1 = await clipboardItem.getType(format1);

  assert_equals(blobOutput1.type, format1);

  const data1 = await (new Response(blobOutput1)).text();

  const outputHtml = reformatHtml(data1);

  const expectedHtml = '<p style="color: blue; font-size: medium; font-style: normal; ' +

                       'font-variant-ligatures: normal; font-variant-caps: normal; ' +

                       'font-weight: 400; letter-spacing: normal; orphans: 2; ' +

                       'text-align: start; text-indent: 0px; text-transform: none; '+

                       'widows: 2; word-spacing: 0px; ' +

                       '-webkit-text-stroke-width: 0px; ' +

                       'white-space: normal; ' +

                       'text-decoration-thickness: initial; ' +

                       'text-decoration-style: initial; text-decoration-color: initial;">' +

                       'Hello World</p>';

  const inputHtml = reformatHtml(expectedHtml);

  assert_equals(outputHtml, inputHtml);

  const blobOutput2 = await clipboardItem.getType(format2);

  assert_equals(blobOutput2.type, format2);

  const data2 = await (new Response(blobOutput2)).text();

  assert_equals(data2, textInput);

}, 'Verify write and read unsanitized content to the clipboard given text/html format as input');

</script>