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<!doctype html>
<meta charset="utf-8">
<title>
Async Clipboard write ([text/html ClipboardItem]) -> readHtml tests
</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 parsedHtml = parser.parseFromString(html, 'text/html')
// FIXME: The specification is ambiguous on what needs to be preserved.
// see https://github.com/w3c/clipboard-apis/issues/233
// This is an attempt at a more canonical form.
// Remove the head - not visible to users.
// Remove the styling attribute if present.
const headElement = parsedHtml.head;
if (headElement) { headElement.remove(); }
// Remove the eventual style attributes
const elementsWithStyleAttribute = parsedHtml.querySelectorAll('[style]');
elementsWithStyleAttribute.forEach((element) => { element.removeAttribute('style'); });
const htmlString = parsedHtml.documentElement.innerHTML;
// Remove multiple spaces and returns and replacing by one
// trim leading and tailing white spaces
const reformattedString = htmlString.replace(/\>[\s\n]*\</g, '> <').trim();
return reformattedString;
}
async function readWriteTest(textInput) {
await tryGrantReadPermission();
await tryGrantWritePermission();
const blobInput = new Blob([textInput], {type: 'text/html'});
const clipboardItem = new ClipboardItem({'text/html': blobInput});
await waitForUserActivation();
await navigator.clipboard.write([clipboardItem]);
await waitForUserActivation();
const clipboardItems = await navigator.clipboard.read({type: 'text/html'});
const html = clipboardItems[0];
assert_equals(html.types.length, 1);
assert_equals(html.types[0], 'text/html');
const blobOutput = await html.getType('text/html');
assert_equals(blobOutput.type, 'text/html');
const blobText = await (new Response(blobOutput)).text();
const outputHtml = reformatHtml(blobText);
const inputHtml = reformatHtml(textInput);
assert_equals(outputHtml, inputHtml);
}
const testCases = [`<!doctype html> <html> <head> <title>Title of the
document</title> </head> <body> <p>Hello World</p>
</body> </html>`,
'<title>Title of the document</title> <p>Hello World</p>'];
promise_test(async t => {
for (const testCase of testCases) {
await readWriteTest(testCase);
}
}, 'Verify read and write of some text/html content');
</script>
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