fune/dom/base/test/unit/test_xmlserializer.js

/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

async function xmlEncode(aFile, aFlags, aCharset) {
  if (aFlags == undefined) {
    aFlags = 0;
  }
  if (aCharset == undefined) {
    aCharset = "UTF-8";
  }

  var doc = await do_parse_document(aFile, "text/xml");

  var encoder = Cu.createDocumentEncoder("text/xml");
  encoder.setCharset(aCharset);
  encoder.init(doc, "text/xml", aFlags);
  return encoder.encodeToString();
}

add_task(async function() {
  var result, expected;
  const de = Ci.nsIDocumentEncoder;

  result = await xmlEncode("1_original.xml", de.OutputLFLineBreak);
  expected = loadContentFile("1_result.xml");
  Assert.equal(expected, result);

  result = await xmlEncode("2_original.xml", de.OutputLFLineBreak);
  expected = loadContentFile("2_result_1.xml");
  Assert.equal(expected, result);

  result = await xmlEncode("2_original.xml", de.OutputCRLineBreak);
  expected = expected.replace(/\n/g, "\r");
  Assert.equal(expected, result);

  result = await xmlEncode(
    "2_original.xml",
    de.OutputLFLineBreak | de.OutputCRLineBreak
  );
  expected = expected.replace(/\r/gm, "\r\n");
  Assert.equal(expected, result);

  result = await xmlEncode(
    "2_original.xml",
    de.OutputLFLineBreak | de.OutputFormatted
  );
  expected = loadContentFile("2_result_2.xml");
  Assert.equal(expected, result);

  result = await xmlEncode(
    "2_original.xml",
    de.OutputLFLineBreak | de.OutputFormatted | de.OutputWrap
  );
  expected = loadContentFile("2_result_3.xml");
  Assert.equal(expected, result);

  result = await xmlEncode(
    "2_original.xml",
    de.OutputLFLineBreak | de.OutputWrap
  );
  expected = loadContentFile("2_result_4.xml");
  Assert.equal(expected, result);

  result = await xmlEncode(
    "3_original.xml",
    de.OutputLFLineBreak | de.OutputFormatted | de.OutputWrap
  );
  expected = loadContentFile("3_result.xml");
  Assert.equal(expected, result);

  result = await xmlEncode(
    "3_original.xml",
    de.OutputLFLineBreak | de.OutputWrap
  );
  expected = loadContentFile("3_result_2.xml");
  Assert.equal(expected, result);

  // tests on namespaces
  var doc = await do_parse_document("4_original.xml", "text/xml");

  var encoder = Cu.createDocumentEncoder("text/xml");
  encoder.setCharset("UTF-8");
  encoder.init(doc, "text/xml", de.OutputLFLineBreak);

  result = encoder.encodeToString();
  expected = loadContentFile("4_result_1.xml");
  Assert.equal(expected, result);

  encoder.setNode(doc.documentElement.childNodes[9]);
  result = encoder.encodeToString();
  expected = loadContentFile("4_result_2.xml");
  Assert.equal(expected, result);

  encoder.setNode(doc.documentElement.childNodes[7].childNodes[1]);
  result = encoder.encodeToString();
  expected = loadContentFile("4_result_3.xml");
  Assert.equal(expected, result);

  encoder.setNode(doc.documentElement.childNodes[11].childNodes[1]);
  result = encoder.encodeToString();
  expected = loadContentFile("4_result_4.xml");
  Assert.equal(expected, result);

  encoder.setCharset("UTF-8");
  // it doesn't support this flags
  encoder.init(
    doc,
    "text/xml",
    de.OutputLFLineBreak | de.OutputFormatted | de.OutputWrap
  );
  encoder.setWrapColumn(40);
  result = encoder.encodeToString();
  expected = loadContentFile("4_result_5.xml");
  Assert.equal(expected, result);

  encoder.init(doc, "text/xml", de.OutputLFLineBreak | de.OutputWrap);
  encoder.setWrapColumn(40);
  result = encoder.encodeToString();
  expected = loadContentFile("4_result_6.xml");
  Assert.equal(expected, result);
});