Quelle test_webkitdirectory.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/filesystem/tests/test_webkitdirectory.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Test for webkitdirectory and webkitRelativePath</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>

<body>
<input id="inputFileWebkitDirectory" type="file" webkitdirectory></input>
<input id="inputFileWebkitFile" type="file"></input>
<input id="inputFileDirectoryChange" type="file" webkitdirectory></input>

<script type="application/javascript">

const { AppConstants } = SpecialPowers.ChromeUtils.importESModule(
  "resource://gre/modules/AppConstants.sys.mjs"
);

let promptHandler;

function waitForEvent(element, eventName) {
  return new Promise(function(resolve) {
    element.addEventListener(eventName, e => resolve(e.detail), { once: true });
  });
}

function waitForPromptHandled() {
  return new Promise(resolve => promptHandler.addMessageListener("promptAccepted", resolve));
}

// Populate the given input type=file `aInputFile`'s `files` attribute by:
// - loading `script_fileList.js` in the parent process
// - telling it to generate the "test" template directory pattern which will
//   create "foo.txt", "subdir/bar.txt", and if symlinks are available on the
//   platform, "symlink.txt" which will be a symlink to "foo.txt".  (Note that
//   we explicitly expect the symlink to be filtered out if generated, and
//   during the enhancement of the test we verified the file was created on
//   linux by running the test before fixing the GetFilesHelper logic to filter
//   the symlink out and verifying the subsequent `test_fileList` check failed.)
// - Triggering the mock file picker with the base directory of the "test"
//   template directory.
//
// It's expected that `test_fileList` will be used after this step completes in
// order to validate the results.
function populateInputFile(aInputFile) {
  var url = SimpleTest.getTestFileURL("script_fileList.js");
  var script = SpecialPowers.loadChromeScript(url);

  var MockFilePicker = SpecialPowers.MockFilePicker;
  MockFilePicker.init(SpecialPowers.wrap(window).browsingContext, "A Mock File Picker", SpecialPowers.Ci.nsIFilePicker.modeGetFolder);

  async function onOpened(message) {
    MockFilePicker.useDirectory(message.dir);

    let input = document.getElementById(aInputFile);
    input.setAttribute("data-name", message.name);

    let promptHandled = waitForPromptHandled();
    let changeEvent = waitForEvent(input, "change");

    SpecialPowers.wrap(document).notifyUserGestureActivation();
    input.click();

    await promptHandled;
    await changeEvent;

    MockFilePicker.cleanup();
    script.destroy();
    next();
  }

  script.addMessageListener("dir.opened", onOpened);
  script.sendAsyncMessage("dir.open", { path: "test" });
}

function checkFile(file, fileList, dirName) {
  for (var i = 0; i < fileList.length; ++i) {
    ok(fileList[i] instanceof File, "We want just files.");
    if (fileList[i].name == file.name) {
      is(fileList[i].webkitRelativePath, dirName + file.path, "Path matches");
      return;
    }
  }

  ok(false, "File not found.");
}

// Validate the contents of the given input type=file `aInputFile`'s' `files`
// property against the expected list of files `aWhat`.
function test_fileList(aInputFile, aWhat) {
  var input = document.getElementById(aInputFile);
  var fileList = input.files;

  if (aWhat == null) {
    is(fileList, null, "We want a null fileList for " + aInputFile);
    next();
    return;
  }

  is(fileList.length, aWhat.length, "We want just " + aWhat.length + " elements for " + aInputFile);
  for (var i = 0; i < aWhat.length; ++i) {
    checkFile(aWhat[i], fileList, input.dataset.name);
  }

  next();
}

// Verify that we can explicitly select a symlink and it will not be filtered
// out.  This is really a verification that GetFileHelper's file-handling logic
// https://searchfox.org/mozilla-central/rev/065102493dfc49234120c37fc6a334a5b1d86d9e/dom/filesystem/GetFilesHelper.cpp#81-86
// does not proactively take an action to filter out a selected symlink.
//
// This is a glass box test that is not entirely realistic for our actual system
// file pickers but does reflect what will happen in the drag-and-drop case
// for `HTMLInputElement::MozSetDndFilesAndDirectories` and this helps ensure
// that future implementation changes will behave as expected.  Specifically,
// the presence of webkitdirectory will result in the file picker using
// `modeGetFolder` which will only allow selection of a directory and forbid
// file selection.
//
// This test explicitly does not validate HTMLInputElement's non-webkitdirectory
// file selection mechanism because it does not involve GetFileHelper.
async function test_individualSymlink(aInputFile) {
  const input = document.getElementById(aInputFile);

  // -- Create the symlink and get a `File` instance pointing at it.
  const url = SimpleTest.getTestFileURL("script_fileList.js");
  const script = SpecialPowers.loadChromeScript(url);

  let opened = new Promise(resolve => script.addMessageListener("symlink.opened", resolve));
  script.sendAsyncMessage("symlink.open", {});
  let { dir, file: symlinkFile } = await opened;
  info(`symlink.open provided dir: ${dir}`)

  // -- Have the picker pick it
  var MockFilePicker = SpecialPowers.MockFilePicker;
  MockFilePicker.init(SpecialPowers.wrap(window).browsingContext, "A Mock File Picker", SpecialPowers.Ci.nsIFilePicker.modeOpen);

  MockFilePicker.displayDirectory = dir;
  let pickerShown = new Promise(resolve => {
    MockFilePicker.showCallback = function() {
      // This is where we are diverging from a realistic scenario in order to get
      // the expected coverage.
      MockFilePicker.setFiles([symlinkFile]);
      resolve();
    }
  });
  MockFilePicker.returnValue = MockFilePicker.returnOK;

  let changeEvent = waitForEvent(input, "change");

  SpecialPowers.wrap(document).notifyUserGestureActivation();
  input.click();

  await pickerShown;
  await changeEvent;

  MockFilePicker.cleanup();
  script.destroy();

  // -- Verify that we see the symlink.
  let fileList = input.files;
  is(fileList.length, 1, "There should be 1 file.");
  is(fileList[0].name, "symlink.txt", "The file should be the symlink.");
  next();
}

function test_webkitdirectory_attribute() {
  var a = document.createElement("input");
  a.setAttribute("type", "file");

  ok("webkitdirectory" in a, "HTMLInputElement.webkitdirectory exists");

  ok(!a.hasAttribute("webkitdirectory"), "No webkitdirectory DOM attribute by default");
  ok(!a.webkitdirectory, "No webkitdirectory attribute by default");

  a.webkitdirectory = true;

  ok(a.hasAttribute("webkitdirectory"), "Webkitdirectory DOM attribute is set");
  ok(a.webkitdirectory, "Webkitdirectory attribute is set");

  next();
}

function test_changeDataWhileWorking() {
  var url = SimpleTest.getTestFileURL("script_fileList.js");
  var script = SpecialPowers.loadChromeScript(url);

  var MockFilePicker = SpecialPowers.MockFilePicker;
  MockFilePicker.init(SpecialPowers.wrap(window).browsingContext, "A Mock File Picker", SpecialPowers.Ci.nsIFilePicker.modeGetFolder);
  let promptHandled;

  // Let's start retrieving the root nsIFile object
  new Promise(function(resolve) {
    function onOpened(message) {
      script.removeMessageListener("dir.opened", onOpened);
      resolve(message.dir);
    }

    script.addMessageListener("dir.opened", onOpened);
    script.sendAsyncMessage("dir.open", { path: "root" });
  })

  // input.click() pointing to the root dir
  .then(async function(aDir) {
    MockFilePicker.cleanup();
    MockFilePicker.init(SpecialPowers.wrap(window).browsingContext, "A Mock File Picker", SpecialPowers.Ci.nsIFilePicker.modeGetFolder);
    MockFilePicker.useDirectory(aDir);
    var input = document.getElementById("inputFileDirectoryChange");

    promptHandled = waitForPromptHandled();

    SpecialPowers.wrap(document).notifyUserGestureActivation();
    input.click();
  })

  // Before onchange, let's take the 'test' directory
  .then(function() {
    return new Promise(function(resolve) {
      function onOpened(message) {
        script.removeMessageListener("dir.opened", onOpened);
        script.destroy();
        resolve(message.dir);
      }

      script.addMessageListener("dir.opened", onOpened);
      script.sendAsyncMessage("dir.open", { path: "test" });
    });
  })

  // Now let's click again and wait for onchange.
  .then(async function(aDir) {
      MockFilePicker.cleanup();
      MockFilePicker.init(SpecialPowers.wrap(window).browsingContext, "A Mock File Picker", SpecialPowers.Ci.nsIFilePicker.modeGetFolder);
      MockFilePicker.useDirectory(aDir);

      let input = document.getElementById("inputFileDirectoryChange");
      let changeEvent = waitForEvent(input, "change");

      SpecialPowers.wrap(document).notifyUserGestureActivation();
      input.click();

      await promptHandled;
      await changeEvent;

      MockFilePicker.cleanup();
  })
  .then(function() {
    test_fileList("inputFileWebkitDirectory", testDirData);
  });
}

async function test_setup() {
  let promptHandlerUrl = SimpleTest.getTestFileURL("script_promptHandler.js")
  promptHandler = SpecialPowers.loadChromeScript(promptHandlerUrl);

  let promptHandlerReady = new Promise(resolve => promptHandler.addMessageListener("initDone", resolve));
  promptHandler.sendAsyncMessage("init");
  await promptHandlerReady;

  SpecialPowers.pushPrefEnv({"set": [["dom.filesystem.pathcheck.disabled", true],
                                     ["dom.webkitBlink.dirPicker.enabled", true]]}, next);
}

async function test_cleanup() {
  let promptHandlerDone = new Promise(resolve => promptHandler.addMessageListener("cleanupDone", resolve));
  promptHandler.sendAsyncMessage("cleanup");
  await promptHandlerDone;
  promptHandler.destroy();
}

var testDirData = [ { name: "foo.txt", path: "/foo.txt" },
                    { name: "bar.txt", path: "/subdir/bar.txt" }];

var tests = [
  test_setup,

  function() { populateInputFile("inputFileWebkitDirectory"); },

  function() { test_fileList("inputFileWebkitDirectory", testDirData); },

  function() {
    // Symlinks are not available on Windows and so will not be created.
    if (AppConstants.platform === "win" || AppConstants.platform === "android") {
      info("Skipping individual symlink check on Windows and Android.");
      next();
      return;
    }

    test_individualSymlink("inputFileWebkitFile").catch(err => ok(false, `Problem in symlink case: ${err}`));
  },

  test_webkitdirectory_attribute,

  test_changeDataWhileWorking,
];

async function next() {
  if (!tests.length) {
    await test_cleanup();
    SimpleTest.finish();
    return;
  }

  var test = tests.shift();
  await test();
}

SimpleTest.waitForExplicitFinish();
next();
</script>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.