browser_post_file.js

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/*

 * Tests for bug 1241100: Post to local file should not overwrite the file.

*/

"use strict";

async function createTestFile(filename, content) {

  let path = PathUtils.join(PathUtils.tempDir, filename);

  await IOUtils.writeUTF8(path, content);

  return path;

add_task(async function () {

  var postFilename = "post_file.html";

  var actionFilename = "action_file.html";

  var postFileContent = `

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>post file</title>

</head>

<body onload="document.getElementById('form').submit();">

<form id="form" action="${actionFilename}" method="post" enctype="text/plain" target="frame">

<input type="hidden" name="foo" value="bar">

<input type="submit">

</form>

<iframe id="frame" name="frame"></iframe>

</body>

</html>

`;

  var actionFileContent = `

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>action file</title>

</head>

<body>

<div id="action_file_ok">ok</div>

</body>

</html>

`;

  var postPath = await createTestFile(postFilename, postFileContent);

  var actionPath = await createTestFile(actionFilename, actionFileContent);

  var postURI = PathUtils.toFileURI(postPath);

  var actionURI = PathUtils.toFileURI(actionPath);

  let tab = await BrowserTestUtils.openNewForegroundTab(

    gBrowser,

    "about:blank"

);

  let browserLoadedPromise = BrowserTestUtils.browserLoaded(

    tab.linkedBrowser,

    true,

    actionURI

);

  BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, postURI);

  await browserLoadedPromise;

  var actionFileContentAfter = await IOUtils.readUTF8(actionPath);

  is(actionFileContentAfter, actionFileContent, "action file is not modified");

  await IOUtils.remove(postPath);

  await IOUtils.remove(actionPath);

  gBrowser.removeCurrentTab();

});