75 lines
3.1 KiB
HTML
75 lines
3.1 KiB
HTML
<!doctype html>
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<meta charset="utf-8">
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<title>
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Async Clipboard write ([text/html ClipboardItem]) -> readHtml tests
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</title>
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<link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">
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<body>Body needed for test_driver.click()</body>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<script src="resources/user-activation.js"></script>
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<script>
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'use strict';
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// This function removes extra spaces between tags in html. For example, the
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// following html: "<p> Hello </p> <body> World </body>" would turn into this
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// html: "<p> Hello </p> <body> World </body>"
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// We remove the extra spaces because in html they are considered equivalent,
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// but when we are comparing for equality the spaces make a difference.
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function reformatHtml(html) {
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const parser = new DOMParser();
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const parsedHtml = parser.parseFromString(html, 'text/html')
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// FIXME: The specification is ambiguous on what needs to be preserved.
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// see https://github.com/w3c/clipboard-apis/issues/233
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// This is an attempt at a more canonical form.
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// Remove the head - not visible to users.
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// Remove the styling attribute if present.
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const headElement = parsedHtml.head;
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if (headElement) { headElement.remove(); }
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// Remove the eventual style attributes
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const elementsWithStyleAttribute = parsedHtml.querySelectorAll('[style]');
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elementsWithStyleAttribute.forEach((element) => { element.removeAttribute('style'); });
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const htmlString = parsedHtml.documentElement.innerHTML;
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// Remove multiple spaces and returns and replacing by one
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// trim leading and tailing white spaces
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const reformattedString = htmlString.replace(/\>[\s\n]*\</g, '> <').trim();
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return reformattedString;
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}
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async function readWriteTest(textInput) {
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await tryGrantReadPermission();
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await tryGrantWritePermission();
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const blobInput = new Blob([textInput], {type: 'text/html'});
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const clipboardItem = new ClipboardItem({'text/html': blobInput});
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await waitForUserActivation();
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await navigator.clipboard.write([clipboardItem]);
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await waitForUserActivation();
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const clipboardItems = await navigator.clipboard.read({type: 'text/html'});
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const html = clipboardItems[0];
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assert_equals(html.types.length, 1);
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assert_equals(html.types[0], 'text/html');
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const blobOutput = await html.getType('text/html');
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assert_equals(blobOutput.type, 'text/html');
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const blobText = await (new Response(blobOutput)).text();
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const outputHtml = reformatHtml(blobText);
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const inputHtml = reformatHtml(textInput);
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assert_equals(outputHtml, inputHtml);
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}
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const testCases = [`<!doctype html> <html> <head> <title>Title of the
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document</title> </head> <body> <p>Hello World</p>
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</body> </html>`,
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'<title>Title of the document</title> <p>Hello World</p>'];
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promise_test(async t => {
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for (const testCase of testCases) {
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await readWriteTest(testCase);
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}
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}, 'Verify read and write of some text/html content');
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</script>
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