test_tb_htmlmail_reply_below_quote.html

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<!doctype html>

<html>

<head>

<meta charset="utf-8">

<title>nsIHTMLEditor.insertElementAtSelection() shouldn't touch preceding blockquote content</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>

<script>

"use strict";

SimpleTest.waitForExplicitFinish();

SimpleTest.waitForFocus(async () => {

  // XXX If we use the legacy white-space normalizer, we'll see odd white-spaces after the last <p>.

  await SpecialPowers.pushPrefEnv({

    set: [["editor.white_space_normalization.blink_compatible", true]],

});

  document.designMode = "on";

  const htmlEditor = getHTMLEditor();

  htmlEditor.enableUndo(false);

  // https://searchfox.org/comm-central/rev/1016048a635bd062b826bfe767c86acaeadd004a/mailnews/compose/src/nsMsgCompose.cpp#529

  const precedingDiv = SpecialPowers.unwrap(htmlEditor.createElementWithDefaults("div"));

  precedingDiv.innerHTML = "Somebody wrote:";

  precedingDiv.appendChild(SpecialPowers.unwrap(htmlEditor.createElementWithDefaults("br")));

  htmlEditor.insertElementAtSelection(precedingDiv, true);

  getSelection().collapse(document.body, 1); // Collapse selection after the <div>

  const originalHTMLMailHead = `

    <meta charset="utf-8">

    <title>Original Email</title>

`;

  const originalHTMLMailBody = `

    First line<br>

    You wrote:<br>

    <blockquote type="cite">

      Quoted first line

    </blockquote>

`;

  const originalHTMLMail = `<!doctype html>

<html>

  <head>${originalHTMLMailHead}</head>

  <body>${originalHTMLMailBody}</body>

</html>

`;

  // https://searchfox.org/comm-central/rev/1016048a635bd062b826bfe767c86acaeadd004a/mailnews/compose/src/nsMsgCompose.cpp#537-538

  const blockquote = SpecialPowers.unwrap(htmlEditor.insertAsCitedQuotation(originalHTMLMail, "", true));

  const expectedBlockquoteContent = `\n\n  ${originalHTMLMailHead}\n  ${originalHTMLMailBody}\n\n`;

is(

    blockquote.innerHTML,

    expectedBlockquoteContent,

    "The original mail body should be inserted into the <blockquote>"

);

  // https://searchfox.org/comm-central/rev/59abd448822dcbee815be6d599b19108d0d42c0b/mail/components/compose/content/MsgComposeCommands.js#740

  getSelection().collapse(document.body, 2); // Collapse selection after the <blockquote>

  const p = SpecialPowers.unwrap(htmlEditor.createElementWithDefaults("p"));

  p.appendChild(SpecialPowers.unwrap(htmlEditor.createElementWithDefaults("br")));

  htmlEditor.insertElementAtSelection(p, false);

  getSelection().collapse(p, 0);

is(

    document.body.innerHTML,

    `<div>Somebody wrote:<br></div><blockquote type="cite">${expectedBlockquoteContent}</blockquote><p><br></p>`,

    "The original mail should be quoted as expected when the initialization finished"

);

  SimpleTest.finish();

});

function getHTMLEditor() {

  var Ci = SpecialPowers.Ci;

  var editingSession = SpecialPowers.wrap(window).docShell.editingSession;

  return editingSession.getEditorForWindow(window)

    .QueryInterface(Ci.nsIHTMLEditor)

    .QueryInterface(Ci.nsIEditorMailSupport);

</script>

</head>

<body></body>

</html>