toolkit/components/jsdownloads/test/unit/common_test_Download.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/components/jsdownloads/test/unit/common_test_Download.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,1832 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ts=2 et sw=2 tw=80: */
     1.6 +/* Any copyright is dedicated to the Public Domain.
     1.7 + * http://creativecommons.org/publicdomain/zero/1.0/ */
     1.8 +
     1.9 +/**
    1.10 + * This script is loaded by "test_DownloadCore.js" and "test_DownloadLegacy.js"
    1.11 + * with different values of the gUseLegacySaver variable, to apply tests to both
    1.12 + * the "copy" and "legacy" saver implementations.
    1.13 + */
    1.14 +
    1.15 +"use strict";
    1.16 +
    1.17 +////////////////////////////////////////////////////////////////////////////////
    1.18 +//// Globals
    1.19 +
    1.20 +/**
    1.21 + * Creates and starts a new download, using either DownloadCopySaver or
    1.22 + * DownloadLegacySaver based on the current test run.
    1.23 + *
    1.24 + * @return {Promise}
    1.25 + * @resolves The newly created Download object.  The download may be in progress
    1.26 + *           or already finished.  The promiseDownloadStopped function can be
    1.27 + *           used to wait for completion.
    1.28 + * @rejects JavaScript exception.
    1.29 + */
    1.30 +function promiseStartDownload(aSourceUrl) {
    1.31 +  if (gUseLegacySaver) {
    1.32 +    return promiseStartLegacyDownload(aSourceUrl);
    1.33 +  }
    1.34 +
    1.35 +  return promiseNewDownload(aSourceUrl).then(download => {
    1.36 +    download.start();
    1.37 +    return download;
    1.38 +  });
    1.39 +}
    1.40 +
    1.41 +/**
    1.42 + * Creates and starts a new download, configured to keep partial data, and
    1.43 + * returns only when the first part of "interruptible_resumable.txt" has been
    1.44 + * saved to disk.  You must call "continueResponses" to allow the interruptible
    1.45 + * request to continue.
    1.46 + *
    1.47 + * This function uses either DownloadCopySaver or DownloadLegacySaver based on
    1.48 + * the current test run.
    1.49 + *
    1.50 + * @return {Promise}
    1.51 + * @resolves The newly created Download object, still in progress.
    1.52 + * @rejects JavaScript exception.
    1.53 + */
    1.54 +function promiseStartDownload_tryToKeepPartialData() {
    1.55 +  return Task.spawn(function () {
    1.56 +    mustInterruptResponses();
    1.57 +
    1.58 +    // Start a new download and configure it to keep partially downloaded data.
    1.59 +    let download;
    1.60 +    if (!gUseLegacySaver) {
    1.61 +      let targetFilePath = getTempFile(TEST_TARGET_FILE_NAME).path;
    1.62 +      download = yield Downloads.createDownload({
    1.63 +        source: httpUrl("interruptible_resumable.txt"),
    1.64 +        target: { path: targetFilePath,
    1.65 +                  partFilePath: targetFilePath + ".part" },
    1.66 +      });
    1.67 +      download.tryToKeepPartialData = true;
    1.68 +      download.start();
    1.69 +    } else {
    1.70 +      // Start a download using nsIExternalHelperAppService, that is configured
    1.71 +      // to keep partially downloaded data by default.
    1.72 +      download = yield promiseStartExternalHelperAppServiceDownload();
    1.73 +    }
    1.74 +
    1.75 +    yield promiseDownloadMidway(download);
    1.76 +    yield promisePartFileReady(download);
    1.77 +
    1.78 +    throw new Task.Result(download);
    1.79 +  });
    1.80 +}
    1.81 +
    1.82 +/**
    1.83 + * This function should be called after the progress notification for a download
    1.84 + * is received, and waits for the worker thread of BackgroundFileSaver to
    1.85 + * receive the data to be written to the ".part" file on disk.
    1.86 + *
    1.87 + * @return {Promise}
    1.88 + * @resolves When the ".part" file has been written to disk.
    1.89 + * @rejects JavaScript exception.
    1.90 + */
    1.91 +function promisePartFileReady(aDownload) {
    1.92 +  return Task.spawn(function () {
    1.93 +    // We don't have control over the file output code in BackgroundFileSaver.
    1.94 +    // After we receive the download progress notification, we may only check
    1.95 +    // that the ".part" file has been created, while its size cannot be
    1.96 +    // determined because the file is currently open.
    1.97 +    try {
    1.98 +      do {
    1.99 +        yield promiseTimeout(50);
   1.100 +      } while (!(yield OS.File.exists(aDownload.target.partFilePath)));
   1.101 +    } catch (ex if ex instanceof OS.File.Error) {
   1.102 +      // This indicates that the file has been created and cannot be accessed.
   1.103 +      // The specific error might vary with the platform.
   1.104 +      do_print("Expected exception while checking existence: " + ex.toString());
   1.105 +      // Wait some more time to allow the write to complete.
   1.106 +      yield promiseTimeout(100);
   1.107 +    }
   1.108 +  });
   1.109 +}
   1.110 +
   1.111 +////////////////////////////////////////////////////////////////////////////////
   1.112 +//// Tests
   1.113 +
   1.114 +/**
   1.115 + * Executes a download and checks its basic properties after construction.
   1.116 + * The download is started by constructing the simplest Download object with
   1.117 + * the "copy" saver, or using the legacy nsITransfer interface.
   1.118 + */
   1.119 +add_task(function test_basic()
   1.120 +{
   1.121 +  let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
   1.122 +
   1.123 +  let download;
   1.124 +  if (!gUseLegacySaver) {
   1.125 +    // When testing DownloadCopySaver, we have control over the download, thus
   1.126 +    // we can check its basic properties before it starts.
   1.127 +    download = yield Downloads.createDownload({
   1.128 +      source: { url: httpUrl("source.txt") },
   1.129 +      target: { path: targetFile.path },
   1.130 +      saver: { type: "copy" },
   1.131 +    });
   1.132 +
   1.133 +    do_check_eq(download.source.url, httpUrl("source.txt"));
   1.134 +    do_check_eq(download.target.path, targetFile.path);
   1.135 +
   1.136 +    yield download.start();
   1.137 +  } else {
   1.138 +    // When testing DownloadLegacySaver, the download is already started when it
   1.139 +    // is created, thus we must check its basic properties while in progress.
   1.140 +    download = yield promiseStartLegacyDownload(null,
   1.141 +                                                { targetFile: targetFile });
   1.142 +
   1.143 +    do_check_eq(download.source.url, httpUrl("source.txt"));
   1.144 +    do_check_eq(download.target.path, targetFile.path);
   1.145 +
   1.146 +    yield promiseDownloadStopped(download);
   1.147 +  }
   1.148 +
   1.149 +  // Check additional properties on the finished download.
   1.150 +  do_check_true(download.source.referrer === null);
   1.151 +
   1.152 +  yield promiseVerifyContents(download.target.path, TEST_DATA_SHORT);
   1.153 +});
   1.154 +
   1.155 +/**
   1.156 + * Executes a download with the tryToKeepPartialData property set, and ensures
   1.157 + * that the file is saved correctly.  When testing DownloadLegacySaver, the
   1.158 + * download is executed using the nsIExternalHelperAppService component.
   1.159 + */
   1.160 +add_task(function test_basic_tryToKeepPartialData()
   1.161 +{
   1.162 +  let download = yield promiseStartDownload_tryToKeepPartialData();
   1.163 +  continueResponses();
   1.164 +  yield promiseDownloadStopped(download);
   1.165 +
   1.166 +  // The target file should now have been created, and the ".part" file deleted.
   1.167 +  yield promiseVerifyContents(download.target.path,
   1.168 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
   1.169 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.170 +  do_check_eq(32, download.saver.getSha256Hash().length);
   1.171 +});
   1.172 +
   1.173 +/**
   1.174 + * Checks the referrer for downloads.
   1.175 + */
   1.176 +add_task(function test_referrer()
   1.177 +{
   1.178 +  let sourcePath = "/test_referrer.txt";
   1.179 +  let sourceUrl = httpUrl("test_referrer.txt");
   1.180 +  let targetPath = getTempFile(TEST_TARGET_FILE_NAME).path;
   1.181 +
   1.182 +  function cleanup() {
   1.183 +    gHttpServer.registerPathHandler(sourcePath, null);
   1.184 +  }
   1.185 +  do_register_cleanup(cleanup);
   1.186 +
   1.187 +  gHttpServer.registerPathHandler(sourcePath, function (aRequest, aResponse) {
   1.188 +    aResponse.setHeader("Content-Type", "text/plain", false);
   1.189 +
   1.190 +    do_check_true(aRequest.hasHeader("Referer"));
   1.191 +    do_check_eq(aRequest.getHeader("Referer"), TEST_REFERRER_URL);
   1.192 +  });
   1.193 +  let download = yield Downloads.createDownload({
   1.194 +    source: { url: sourceUrl, referrer: TEST_REFERRER_URL },
   1.195 +    target: targetPath,
   1.196 +  });
   1.197 +  do_check_eq(download.source.referrer, TEST_REFERRER_URL);
   1.198 +  yield download.start();
   1.199 +
   1.200 +  download = yield Downloads.createDownload({
   1.201 +    source: { url: sourceUrl, referrer: TEST_REFERRER_URL,
   1.202 +              isPrivate: true },
   1.203 +    target: targetPath,
   1.204 +  });
   1.205 +  do_check_eq(download.source.referrer, TEST_REFERRER_URL);
   1.206 +  yield download.start();
   1.207 +
   1.208 +  // Test the download still works for non-HTTP channel with referrer.
   1.209 +  sourceUrl = "data:text/html,<html><body></body></html>";
   1.210 +  download = yield Downloads.createDownload({
   1.211 +    source: { url: sourceUrl, referrer: TEST_REFERRER_URL },
   1.212 +    target: targetPath,
   1.213 +  });
   1.214 +  do_check_eq(download.source.referrer, TEST_REFERRER_URL);
   1.215 +  yield download.start();
   1.216 +
   1.217 +  cleanup();
   1.218 +});
   1.219 +
   1.220 +/**
   1.221 + * Checks initial and final state and progress for a successful download.
   1.222 + */
   1.223 +add_task(function test_initial_final_state()
   1.224 +{
   1.225 +  let download;
   1.226 +  if (!gUseLegacySaver) {
   1.227 +    // When testing DownloadCopySaver, we have control over the download, thus
   1.228 +    // we can check its state before it starts.
   1.229 +    download = yield promiseNewDownload();
   1.230 +
   1.231 +    do_check_true(download.stopped);
   1.232 +    do_check_false(download.succeeded);
   1.233 +    do_check_false(download.canceled);
   1.234 +    do_check_true(download.error === null);
   1.235 +    do_check_eq(download.progress, 0);
   1.236 +    do_check_true(download.startTime === null);
   1.237 +
   1.238 +    yield download.start();
   1.239 +  } else {
   1.240 +    // When testing DownloadLegacySaver, the download is already started when it
   1.241 +    // is created, thus we cannot check its initial state.
   1.242 +    download = yield promiseStartLegacyDownload();
   1.243 +    yield promiseDownloadStopped(download);
   1.244 +  }
   1.245 +
   1.246 +  do_check_true(download.stopped);
   1.247 +  do_check_true(download.succeeded);
   1.248 +  do_check_false(download.canceled);
   1.249 +  do_check_true(download.error === null);
   1.250 +  do_check_eq(download.progress, 100);
   1.251 +  do_check_true(isValidDate(download.startTime));
   1.252 +});
   1.253 +
   1.254 +/**
   1.255 + * Checks the notification of the final download state.
   1.256 + */
   1.257 +add_task(function test_final_state_notified()
   1.258 +{
   1.259 +  mustInterruptResponses();
   1.260 +
   1.261 +  let download = yield promiseStartDownload(httpUrl("interruptible.txt"));
   1.262 +
   1.263 +  let onchangeNotified = false;
   1.264 +  let lastNotifiedStopped;
   1.265 +  let lastNotifiedProgress;
   1.266 +  download.onchange = function () {
   1.267 +    onchangeNotified = true;
   1.268 +    lastNotifiedStopped = download.stopped;
   1.269 +    lastNotifiedProgress = download.progress;
   1.270 +  };
   1.271 +
   1.272 +  // Allow the download to complete.
   1.273 +  let promiseAttempt = download.start();
   1.274 +  continueResponses();
   1.275 +  yield promiseAttempt;
   1.276 +
   1.277 +  // The view should have been notified before the download completes.
   1.278 +  do_check_true(onchangeNotified);
   1.279 +  do_check_true(lastNotifiedStopped);
   1.280 +  do_check_eq(lastNotifiedProgress, 100);
   1.281 +});
   1.282 +
   1.283 +/**
   1.284 + * Checks intermediate progress for a successful download.
   1.285 + */
   1.286 +add_task(function test_intermediate_progress()
   1.287 +{
   1.288 +  mustInterruptResponses();
   1.289 +
   1.290 +  let download = yield promiseStartDownload(httpUrl("interruptible.txt"));
   1.291 +
   1.292 +  yield promiseDownloadMidway(download);
   1.293 +
   1.294 +  do_check_true(download.hasProgress);
   1.295 +  do_check_eq(download.currentBytes, TEST_DATA_SHORT.length);
   1.296 +  do_check_eq(download.totalBytes, TEST_DATA_SHORT.length * 2);
   1.297 +
   1.298 +  // Continue after the first chunk of data is fully received.
   1.299 +  continueResponses();
   1.300 +  yield promiseDownloadStopped(download);
   1.301 +
   1.302 +  do_check_true(download.stopped);
   1.303 +  do_check_eq(download.progress, 100);
   1.304 +
   1.305 +  yield promiseVerifyContents(download.target.path,
   1.306 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
   1.307 +});
   1.308 +
   1.309 +/**
   1.310 + * Downloads a file with a "Content-Length" of 0 and checks the progress.
   1.311 + */
   1.312 +add_task(function test_empty_progress()
   1.313 +{
   1.314 +  let download = yield promiseStartDownload(httpUrl("empty.txt"));
   1.315 +  yield promiseDownloadStopped(download);
   1.316 +
   1.317 +  do_check_true(download.stopped);
   1.318 +  do_check_true(download.hasProgress);
   1.319 +  do_check_eq(download.progress, 100);
   1.320 +  do_check_eq(download.currentBytes, 0);
   1.321 +  do_check_eq(download.totalBytes, 0);
   1.322 +
   1.323 +  // We should have received the content type even for an empty file.
   1.324 +  do_check_eq(download.contentType, "text/plain");
   1.325 +
   1.326 +  do_check_eq((yield OS.File.stat(download.target.path)).size, 0);
   1.327 +});
   1.328 +
   1.329 +/**
   1.330 + * Downloads a file with a "Content-Length" of 0 with the tryToKeepPartialData
   1.331 + * property set, and ensures that the file is saved correctly.
   1.332 + */
   1.333 +add_task(function test_empty_progress_tryToKeepPartialData()
   1.334 +{
   1.335 +  // Start a new download and configure it to keep partially downloaded data.
   1.336 +  let download;
   1.337 +  if (!gUseLegacySaver) {
   1.338 +    let targetFilePath = getTempFile(TEST_TARGET_FILE_NAME).path;
   1.339 +    download = yield Downloads.createDownload({
   1.340 +      source: httpUrl("empty.txt"),
   1.341 +      target: { path: targetFilePath,
   1.342 +                partFilePath: targetFilePath + ".part" },
   1.343 +    });
   1.344 +    download.tryToKeepPartialData = true;
   1.345 +    download.start();
   1.346 +  } else {
   1.347 +    // Start a download using nsIExternalHelperAppService, that is configured
   1.348 +    // to keep partially downloaded data by default.
   1.349 +    download = yield promiseStartExternalHelperAppServiceDownload(
   1.350 +                                                         httpUrl("empty.txt"));
   1.351 +  }
   1.352 +  yield promiseDownloadStopped(download);
   1.353 +
   1.354 +  // The target file should now have been created, and the ".part" file deleted.
   1.355 +  do_check_eq((yield OS.File.stat(download.target.path)).size, 0);
   1.356 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.357 +  do_check_eq(32, download.saver.getSha256Hash().length);
   1.358 +});
   1.359 +
   1.360 +/**
   1.361 + * Downloads an empty file with no "Content-Length" and checks the progress.
   1.362 + */
   1.363 +add_task(function test_empty_noprogress()
   1.364 +{
   1.365 +  let sourcePath = "/test_empty_noprogress.txt";
   1.366 +  let sourceUrl = httpUrl("test_empty_noprogress.txt");
   1.367 +  let deferRequestReceived = Promise.defer();
   1.368 +
   1.369 +  // Register an interruptible handler that notifies us when the request occurs.
   1.370 +  function cleanup() {
   1.371 +    gHttpServer.registerPathHandler(sourcePath, null);
   1.372 +  }
   1.373 +  do_register_cleanup(cleanup);
   1.374 +
   1.375 +  registerInterruptibleHandler(sourcePath,
   1.376 +    function firstPart(aRequest, aResponse) {
   1.377 +      aResponse.setHeader("Content-Type", "text/plain", false);
   1.378 +      deferRequestReceived.resolve();
   1.379 +    }, function secondPart(aRequest, aResponse) { });
   1.380 +
   1.381 +  // Start the download, without allowing the request to finish.
   1.382 +  mustInterruptResponses();
   1.383 +  let download;
   1.384 +  if (!gUseLegacySaver) {
   1.385 +    // When testing DownloadCopySaver, we have control over the download, thus
   1.386 +    // we can hook its onchange callback that will be notified when the
   1.387 +    // download starts.
   1.388 +    download = yield promiseNewDownload(sourceUrl);
   1.389 +
   1.390 +    download.onchange = function () {
   1.391 +      if (!download.stopped) {
   1.392 +        do_check_false(download.hasProgress);
   1.393 +        do_check_eq(download.currentBytes, 0);
   1.394 +        do_check_eq(download.totalBytes, 0);
   1.395 +      }
   1.396 +    };
   1.397 +
   1.398 +    download.start();
   1.399 +  } else {
   1.400 +    // When testing DownloadLegacySaver, the download is already started when it
   1.401 +    // is created, and it may have already made all needed property change
   1.402 +    // notifications, thus there is no point in checking the onchange callback.
   1.403 +    download = yield promiseStartLegacyDownload(sourceUrl);
   1.404 +  }
   1.405 +
   1.406 +  // Wait for the request to be received by the HTTP server, but don't allow the
   1.407 +  // request to finish yet.  Before checking the download state, wait for the
   1.408 +  // events to be processed by the client.
   1.409 +  yield deferRequestReceived.promise;
   1.410 +  yield promiseExecuteSoon();
   1.411 +
   1.412 +  // Check that this download has no progress report.
   1.413 +  do_check_false(download.stopped);
   1.414 +  do_check_false(download.hasProgress);
   1.415 +  do_check_eq(download.currentBytes, 0);
   1.416 +  do_check_eq(download.totalBytes, 0);
   1.417 +
   1.418 +  // Now allow the response to finish.
   1.419 +  continueResponses();
   1.420 +  yield promiseDownloadStopped(download);
   1.421 +
   1.422 +  // We should have received the content type even if no progress is reported.
   1.423 +  do_check_eq(download.contentType, "text/plain");
   1.424 +
   1.425 +  // Verify the state of the completed download.
   1.426 +  do_check_true(download.stopped);
   1.427 +  do_check_false(download.hasProgress);
   1.428 +  do_check_eq(download.progress, 100);
   1.429 +  do_check_eq(download.currentBytes, 0);
   1.430 +  do_check_eq(download.totalBytes, 0);
   1.431 +
   1.432 +  do_check_eq((yield OS.File.stat(download.target.path)).size, 0);
   1.433 +});
   1.434 +
   1.435 +/**
   1.436 + * Calls the "start" method two times before the download is finished.
   1.437 + */
   1.438 +add_task(function test_start_twice()
   1.439 +{
   1.440 +  mustInterruptResponses();
   1.441 +
   1.442 +  let download;
   1.443 +  if (!gUseLegacySaver) {
   1.444 +    // When testing DownloadCopySaver, we have control over the download, thus
   1.445 +    // we can start the download later during the test.
   1.446 +    download = yield promiseNewDownload(httpUrl("interruptible.txt"));
   1.447 +  } else {
   1.448 +    // When testing DownloadLegacySaver, the download is already started when it
   1.449 +    // is created.  Effectively, we are starting the download three times.
   1.450 +    download = yield promiseStartLegacyDownload(httpUrl("interruptible.txt"));
   1.451 +  }
   1.452 +
   1.453 +  // Call the start method two times.
   1.454 +  let promiseAttempt1 = download.start();
   1.455 +  let promiseAttempt2 = download.start();
   1.456 +
   1.457 +  // Allow the download to finish.
   1.458 +  continueResponses();
   1.459 +
   1.460 +  // Both promises should now be resolved.
   1.461 +  yield promiseAttempt1;
   1.462 +  yield promiseAttempt2;
   1.463 +
   1.464 +  do_check_true(download.stopped);
   1.465 +  do_check_true(download.succeeded);
   1.466 +  do_check_false(download.canceled);
   1.467 +  do_check_true(download.error === null);
   1.468 +
   1.469 +  yield promiseVerifyContents(download.target.path,
   1.470 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
   1.471 +});
   1.472 +
   1.473 +/**
   1.474 + * Cancels a download and verifies that its state is reported correctly.
   1.475 + */
   1.476 +add_task(function test_cancel_midway()
   1.477 +{
   1.478 +  mustInterruptResponses();
   1.479 +
   1.480 +  // In this test case, we execute different checks that are only possible with
   1.481 +  // DownloadCopySaver or DownloadLegacySaver respectively.
   1.482 +  let download;
   1.483 +  let options = {};
   1.484 +  if (!gUseLegacySaver) {
   1.485 +    download = yield promiseNewDownload(httpUrl("interruptible.txt"));
   1.486 +  } else {
   1.487 +    download = yield promiseStartLegacyDownload(httpUrl("interruptible.txt"),
   1.488 +                                                options);
   1.489 +  }
   1.490 +
   1.491 +  // Cancel the download after receiving the first part of the response.
   1.492 +  let deferCancel = Promise.defer();
   1.493 +  let onchange = function () {
   1.494 +    if (!download.stopped && !download.canceled && download.progress == 50) {
   1.495 +      // Cancel the download immediately during the notification.
   1.496 +      deferCancel.resolve(download.cancel());
   1.497 +
   1.498 +      // The state change happens immediately after calling "cancel", but
   1.499 +      // temporary files or part files may still exist at this point.
   1.500 +      do_check_true(download.canceled);
   1.501 +    }
   1.502 +  };
   1.503 +
   1.504 +  // Register for the notification, but also call the function directly in
   1.505 +  // case the download already reached the expected progress.  This may happen
   1.506 +  // when using DownloadLegacySaver.
   1.507 +  download.onchange = onchange;
   1.508 +  onchange();
   1.509 +
   1.510 +  let promiseAttempt;
   1.511 +  if (!gUseLegacySaver) {
   1.512 +    promiseAttempt = download.start();
   1.513 +  }
   1.514 +
   1.515 +  // Wait on the promise returned by the "cancel" method to ensure that the
   1.516 +  // cancellation process finished and temporary files were removed.
   1.517 +  yield deferCancel.promise;
   1.518 +
   1.519 +  if (gUseLegacySaver) {
   1.520 +    // The nsIWebBrowserPersist instance should have been canceled now.
   1.521 +    do_check_eq(options.outPersist.result, Cr.NS_ERROR_ABORT);
   1.522 +  }
   1.523 +
   1.524 +  do_check_true(download.stopped);
   1.525 +  do_check_true(download.canceled);
   1.526 +  do_check_true(download.error === null);
   1.527 +
   1.528 +  do_check_false(yield OS.File.exists(download.target.path));
   1.529 +
   1.530 +  // Progress properties are not reset by canceling.
   1.531 +  do_check_eq(download.progress, 50);
   1.532 +  do_check_eq(download.totalBytes, TEST_DATA_SHORT.length * 2);
   1.533 +  do_check_eq(download.currentBytes, TEST_DATA_SHORT.length);
   1.534 +
   1.535 +  if (!gUseLegacySaver) {
   1.536 +    // The promise returned by "start" should have been rejected meanwhile.
   1.537 +    try {
   1.538 +      yield promiseAttempt;
   1.539 +      do_throw("The download should have been canceled.");
   1.540 +    } catch (ex if ex instanceof Downloads.Error) {
   1.541 +      do_check_false(ex.becauseSourceFailed);
   1.542 +      do_check_false(ex.becauseTargetFailed);
   1.543 +    }
   1.544 +  }
   1.545 +});
   1.546 +
   1.547 +/**
   1.548 + * Cancels a download while keeping partially downloaded data, and verifies that
   1.549 + * both the target file and the ".part" file are deleted.
   1.550 + */
   1.551 +add_task(function test_cancel_midway_tryToKeepPartialData()
   1.552 +{
   1.553 +  let download = yield promiseStartDownload_tryToKeepPartialData();
   1.554 +
   1.555 +  do_check_true(yield OS.File.exists(download.target.path));
   1.556 +  do_check_true(yield OS.File.exists(download.target.partFilePath));
   1.557 +
   1.558 +  yield download.cancel();
   1.559 +  yield download.removePartialData();
   1.560 +
   1.561 +  do_check_true(download.stopped);
   1.562 +  do_check_true(download.canceled);
   1.563 +  do_check_true(download.error === null);
   1.564 +
   1.565 +  do_check_false(yield OS.File.exists(download.target.path));
   1.566 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.567 +});
   1.568 +
   1.569 +/**
   1.570 + * Cancels a download right after starting it.
   1.571 + */
   1.572 +add_task(function test_cancel_immediately()
   1.573 +{
   1.574 +  mustInterruptResponses();
   1.575 +
   1.576 +  let download = yield promiseStartDownload(httpUrl("interruptible.txt"));
   1.577 +
   1.578 +  let promiseAttempt = download.start();
   1.579 +  do_check_false(download.stopped);
   1.580 +
   1.581 +  let promiseCancel = download.cancel();
   1.582 +  do_check_true(download.canceled);
   1.583 +
   1.584 +  // At this point, we don't know whether the download has already stopped or
   1.585 +  // is still waiting for cancellation.  We can wait on the promise returned
   1.586 +  // by the "start" method to know for sure.
   1.587 +  try {
   1.588 +    yield promiseAttempt;
   1.589 +    do_throw("The download should have been canceled.");
   1.590 +  } catch (ex if ex instanceof Downloads.Error) {
   1.591 +    do_check_false(ex.becauseSourceFailed);
   1.592 +    do_check_false(ex.becauseTargetFailed);
   1.593 +  }
   1.594 +
   1.595 +  do_check_true(download.stopped);
   1.596 +  do_check_true(download.canceled);
   1.597 +  do_check_true(download.error === null);
   1.598 +
   1.599 +  do_check_false(yield OS.File.exists(download.target.path));
   1.600 +
   1.601 +  // Check that the promise returned by the "cancel" method has been resolved.
   1.602 +  yield promiseCancel;
   1.603 +});
   1.604 +
   1.605 +/**
   1.606 + * Cancels and restarts a download sequentially.
   1.607 + */
   1.608 +add_task(function test_cancel_midway_restart()
   1.609 +{
   1.610 +  mustInterruptResponses();
   1.611 +
   1.612 +  let download = yield promiseStartDownload(httpUrl("interruptible.txt"));
   1.613 +
   1.614 +  // The first time, cancel the download midway.
   1.615 +  yield promiseDownloadMidway(download);
   1.616 +  yield download.cancel();
   1.617 +
   1.618 +  do_check_true(download.stopped);
   1.619 +
   1.620 +  // The second time, we'll provide the entire interruptible response.
   1.621 +  continueResponses();
   1.622 +  download.onchange = null;
   1.623 +  let promiseAttempt = download.start();
   1.624 +
   1.625 +  // Download state should have already been reset.
   1.626 +  do_check_false(download.stopped);
   1.627 +  do_check_false(download.canceled);
   1.628 +  do_check_true(download.error === null);
   1.629 +
   1.630 +  // For the following test, we rely on the network layer reporting its progress
   1.631 +  // asynchronously.  Otherwise, there is nothing stopping the restarted
   1.632 +  // download from reaching the same progress as the first request already.
   1.633 +  do_check_eq(download.progress, 0);
   1.634 +  do_check_eq(download.totalBytes, 0);
   1.635 +  do_check_eq(download.currentBytes, 0);
   1.636 +
   1.637 +  yield promiseAttempt;
   1.638 +
   1.639 +  do_check_true(download.stopped);
   1.640 +  do_check_true(download.succeeded);
   1.641 +  do_check_false(download.canceled);
   1.642 +  do_check_true(download.error === null);
   1.643 +
   1.644 +  yield promiseVerifyContents(download.target.path,
   1.645 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
   1.646 +});
   1.647 +
   1.648 +/**
   1.649 + * Cancels a download and restarts it from where it stopped.
   1.650 + */
   1.651 +add_task(function test_cancel_midway_restart_tryToKeepPartialData()
   1.652 +{
   1.653 +  let download = yield promiseStartDownload_tryToKeepPartialData();
   1.654 +  yield download.cancel();
   1.655 +
   1.656 +  do_check_true(download.stopped);
   1.657 +  do_check_true(download.hasPartialData);
   1.658 +
   1.659 +  // The target file should not exist, but we should have kept the partial data.
   1.660 +  do_check_false(yield OS.File.exists(download.target.path));
   1.661 +  yield promiseVerifyContents(download.target.partFilePath, TEST_DATA_SHORT);
   1.662 +
   1.663 +  // Verify that the server sent the response from the start.
   1.664 +  do_check_eq(gMostRecentFirstBytePos, 0);
   1.665 +
   1.666 +  // The second time, we'll request and obtain the second part of the response,
   1.667 +  // but we still stop when half of the remaining progress is reached.
   1.668 +  let deferMidway = Promise.defer();
   1.669 +  download.onchange = function () {
   1.670 +    if (!download.stopped && !download.canceled &&
   1.671 +        download.currentBytes == Math.floor(TEST_DATA_SHORT.length * 3 / 2)) {
   1.672 +      download.onchange = null;
   1.673 +      deferMidway.resolve();
   1.674 +    }
   1.675 +  };
   1.676 +
   1.677 +  mustInterruptResponses();
   1.678 +  let promiseAttempt = download.start();
   1.679 +
   1.680 +  // Continue when the number of bytes we received is correct, then check that
   1.681 +  // progress is at about 75 percent.  The exact figure may vary because of
   1.682 +  // rounding issues, since the total number of bytes in the response might not
   1.683 +  // be a multiple of four.
   1.684 +  yield deferMidway.promise;
   1.685 +  do_check_true(download.progress > 72 && download.progress < 78);
   1.686 +
   1.687 +  // Now we allow the download to finish.
   1.688 +  continueResponses();
   1.689 +  yield promiseAttempt;
   1.690 +
   1.691 +  // Check that the server now sent the second part only.
   1.692 +  do_check_eq(gMostRecentFirstBytePos, TEST_DATA_SHORT.length);
   1.693 +
   1.694 +  // The target file should now have been created, and the ".part" file deleted.
   1.695 +  yield promiseVerifyContents(download.target.path,
   1.696 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
   1.697 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.698 +});
   1.699 +
   1.700 +/**
   1.701 + * Cancels a download while keeping partially downloaded data, then removes the
   1.702 + * data and restarts the download from the beginning.
   1.703 + */
   1.704 +add_task(function test_cancel_midway_restart_removePartialData()
   1.705 +{
   1.706 +  let download = yield promiseStartDownload_tryToKeepPartialData();
   1.707 +  yield download.cancel();
   1.708 +
   1.709 +  do_check_true(download.hasPartialData);
   1.710 +  yield promiseVerifyContents(download.target.partFilePath, TEST_DATA_SHORT);
   1.711 +
   1.712 +  yield download.removePartialData();
   1.713 +
   1.714 +  do_check_false(download.hasPartialData);
   1.715 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.716 +
   1.717 +  // The second time, we'll request and obtain the entire response again.
   1.718 +  continueResponses();
   1.719 +  yield download.start();
   1.720 +
   1.721 +  // Verify that the server sent the response from the start.
   1.722 +  do_check_eq(gMostRecentFirstBytePos, 0);
   1.723 +
   1.724 +  // The target file should now have been created, and the ".part" file deleted.
   1.725 +  yield promiseVerifyContents(download.target.path,
   1.726 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
   1.727 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.728 +});
   1.729 +
   1.730 +/**
   1.731 + * Cancels a download while keeping partially downloaded data, then removes the
   1.732 + * data and restarts the download from the beginning without keeping the partial
   1.733 + * data anymore.
   1.734 + */
   1.735 +add_task(function test_cancel_midway_restart_tryToKeepPartialData_false()
   1.736 +{
   1.737 +  let download = yield promiseStartDownload_tryToKeepPartialData();
   1.738 +  yield download.cancel();
   1.739 +
   1.740 +  download.tryToKeepPartialData = false;
   1.741 +
   1.742 +  // The above property change does not affect existing partial data.
   1.743 +  do_check_true(download.hasPartialData);
   1.744 +  yield promiseVerifyContents(download.target.partFilePath, TEST_DATA_SHORT);
   1.745 +
   1.746 +  yield download.removePartialData();
   1.747 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.748 +
   1.749 +  // Restart the download from the beginning.
   1.750 +  mustInterruptResponses();
   1.751 +  download.start();
   1.752 +
   1.753 +  yield promiseDownloadMidway(download);
   1.754 +  yield promisePartFileReady(download);
   1.755 +
   1.756 +  // While the download is in progress, we should still have a ".part" file.
   1.757 +  do_check_false(download.hasPartialData);
   1.758 +  do_check_true(yield OS.File.exists(download.target.partFilePath));
   1.759 +
   1.760 +  yield download.cancel();
   1.761 +
   1.762 +  // The ".part" file should be deleted now that the download is canceled.
   1.763 +  do_check_false(download.hasPartialData);
   1.764 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.765 +
   1.766 +  // The third time, we'll request and obtain the entire response again.
   1.767 +  continueResponses();
   1.768 +  yield download.start();
   1.769 +
   1.770 +  // Verify that the server sent the response from the start.
   1.771 +  do_check_eq(gMostRecentFirstBytePos, 0);
   1.772 +
   1.773 +  // The target file should now have been created, and the ".part" file deleted.
   1.774 +  yield promiseVerifyContents(download.target.path,
   1.775 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
   1.776 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.777 +});
   1.778 +
   1.779 +/**
   1.780 + * Cancels a download right after starting it, then restarts it immediately.
   1.781 + */
   1.782 +add_task(function test_cancel_immediately_restart_immediately()
   1.783 +{
   1.784 +  mustInterruptResponses();
   1.785 +
   1.786 +  let download = yield promiseStartDownload(httpUrl("interruptible.txt"));
   1.787 +  let promiseAttempt = download.start();
   1.788 +
   1.789 +  do_check_false(download.stopped);
   1.790 +
   1.791 +  download.cancel();
   1.792 +  do_check_true(download.canceled);
   1.793 +
   1.794 +  let promiseRestarted = download.start();
   1.795 +  do_check_false(download.stopped);
   1.796 +  do_check_false(download.canceled);
   1.797 +  do_check_true(download.error === null);
   1.798 +
   1.799 +  // For the following test, we rely on the network layer reporting its progress
   1.800 +  // asynchronously.  Otherwise, there is nothing stopping the restarted
   1.801 +  // download from reaching the same progress as the first request already.
   1.802 +  do_check_eq(download.hasProgress, false);
   1.803 +  do_check_eq(download.progress, 0);
   1.804 +  do_check_eq(download.totalBytes, 0);
   1.805 +  do_check_eq(download.currentBytes, 0);
   1.806 +
   1.807 +  // Ensure the next request is now allowed to complete, regardless of whether
   1.808 +  // the canceled request was received by the server or not.
   1.809 +  continueResponses();
   1.810 +  try {
   1.811 +    yield promiseAttempt;
   1.812 +    // If we get here, it means that the first attempt actually succeeded.  In
   1.813 +    // fact, this could be a valid outcome, because the cancellation request may
   1.814 +    // not have been processed in time before the download finished.
   1.815 +    do_print("The download should have been canceled.");
   1.816 +  } catch (ex if ex instanceof Downloads.Error) {
   1.817 +    do_check_false(ex.becauseSourceFailed);
   1.818 +    do_check_false(ex.becauseTargetFailed);
   1.819 +  }
   1.820 +
   1.821 +  yield promiseRestarted;
   1.822 +
   1.823 +  do_check_true(download.stopped);
   1.824 +  do_check_true(download.succeeded);
   1.825 +  do_check_false(download.canceled);
   1.826 +  do_check_true(download.error === null);
   1.827 +
   1.828 +  yield promiseVerifyContents(download.target.path,
   1.829 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
   1.830 +});
   1.831 +
   1.832 +/**
   1.833 + * Cancels a download midway, then restarts it immediately.
   1.834 + */
   1.835 +add_task(function test_cancel_midway_restart_immediately()
   1.836 +{
   1.837 +  mustInterruptResponses();
   1.838 +
   1.839 +  let download = yield promiseStartDownload(httpUrl("interruptible.txt"));
   1.840 +  let promiseAttempt = download.start();
   1.841 +
   1.842 +  // The first time, cancel the download midway.
   1.843 +  yield promiseDownloadMidway(download);
   1.844 +  download.cancel();
   1.845 +  do_check_true(download.canceled);
   1.846 +
   1.847 +  let promiseRestarted = download.start();
   1.848 +  do_check_false(download.stopped);
   1.849 +  do_check_false(download.canceled);
   1.850 +  do_check_true(download.error === null);
   1.851 +
   1.852 +  // For the following test, we rely on the network layer reporting its progress
   1.853 +  // asynchronously.  Otherwise, there is nothing stopping the restarted
   1.854 +  // download from reaching the same progress as the first request already.
   1.855 +  do_check_eq(download.hasProgress, false);
   1.856 +  do_check_eq(download.progress, 0);
   1.857 +  do_check_eq(download.totalBytes, 0);
   1.858 +  do_check_eq(download.currentBytes, 0);
   1.859 +
   1.860 +  // The second request is allowed to complete.
   1.861 +  continueResponses();
   1.862 +  try {
   1.863 +    yield promiseAttempt;
   1.864 +    do_throw("The download should have been canceled.");
   1.865 +  } catch (ex if ex instanceof Downloads.Error) {
   1.866 +    do_check_false(ex.becauseSourceFailed);
   1.867 +    do_check_false(ex.becauseTargetFailed);
   1.868 +  }
   1.869 +
   1.870 +  yield promiseRestarted;
   1.871 +
   1.872 +  do_check_true(download.stopped);
   1.873 +  do_check_true(download.succeeded);
   1.874 +  do_check_false(download.canceled);
   1.875 +  do_check_true(download.error === null);
   1.876 +
   1.877 +  yield promiseVerifyContents(download.target.path,
   1.878 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
   1.879 +});
   1.880 +
   1.881 +/**
   1.882 + * Calls the "cancel" method on a successful download.
   1.883 + */
   1.884 +add_task(function test_cancel_successful()
   1.885 +{
   1.886 +  let download = yield promiseStartDownload();
   1.887 +  yield promiseDownloadStopped(download);
   1.888 +
   1.889 +  // The cancel method should succeed with no effect.
   1.890 +  yield download.cancel();
   1.891 +
   1.892 +  do_check_true(download.stopped);
   1.893 +  do_check_true(download.succeeded);
   1.894 +  do_check_false(download.canceled);
   1.895 +  do_check_true(download.error === null);
   1.896 +
   1.897 +  yield promiseVerifyContents(download.target.path, TEST_DATA_SHORT);
   1.898 +});
   1.899 +
   1.900 +/**
   1.901 + * Calls the "cancel" method two times in a row.
   1.902 + */
   1.903 +add_task(function test_cancel_twice()
   1.904 +{
   1.905 +  mustInterruptResponses();
   1.906 +
   1.907 +  let download = yield promiseStartDownload(httpUrl("interruptible.txt"));
   1.908 +
   1.909 +  let promiseAttempt = download.start();
   1.910 +  do_check_false(download.stopped);
   1.911 +
   1.912 +  let promiseCancel1 = download.cancel();
   1.913 +  do_check_true(download.canceled);
   1.914 +  let promiseCancel2 = download.cancel();
   1.915 +
   1.916 +  try {
   1.917 +    yield promiseAttempt;
   1.918 +    do_throw("The download should have been canceled.");
   1.919 +  } catch (ex if ex instanceof Downloads.Error) {
   1.920 +    do_check_false(ex.becauseSourceFailed);
   1.921 +    do_check_false(ex.becauseTargetFailed);
   1.922 +  }
   1.923 +
   1.924 +  // Both promises should now be resolved.
   1.925 +  yield promiseCancel1;
   1.926 +  yield promiseCancel2;
   1.927 +
   1.928 +  do_check_true(download.stopped);
   1.929 +  do_check_false(download.succeeded);
   1.930 +  do_check_true(download.canceled);
   1.931 +  do_check_true(download.error === null);
   1.932 +
   1.933 +  do_check_false(yield OS.File.exists(download.target.path));
   1.934 +});
   1.935 +
   1.936 +/**
   1.937 + * Checks that a download cannot be restarted after the "finalize" method.
   1.938 + */
   1.939 +add_task(function test_finalize()
   1.940 +{
   1.941 +  mustInterruptResponses();
   1.942 +
   1.943 +  let download = yield promiseStartDownload(httpUrl("interruptible.txt"));
   1.944 +
   1.945 +  let promiseFinalized = download.finalize();
   1.946 +
   1.947 +  try {
   1.948 +    yield download.start();
   1.949 +    do_throw("It should not be possible to restart after finalization.");
   1.950 +  } catch (ex) { }
   1.951 +
   1.952 +  yield promiseFinalized;
   1.953 +
   1.954 +  do_check_true(download.stopped);
   1.955 +  do_check_false(download.succeeded);
   1.956 +  do_check_true(download.canceled);
   1.957 +  do_check_true(download.error === null);
   1.958 +
   1.959 +  do_check_false(yield OS.File.exists(download.target.path));
   1.960 +});
   1.961 +
   1.962 +/**
   1.963 + * Checks that the "finalize" method can remove partially downloaded data.
   1.964 + */
   1.965 +add_task(function test_finalize_tryToKeepPartialData()
   1.966 +{
   1.967 +  // Check finalization without removing partial data.
   1.968 +  let download = yield promiseStartDownload_tryToKeepPartialData();
   1.969 +  yield download.finalize();
   1.970 +
   1.971 +  do_check_true(download.hasPartialData);
   1.972 +  do_check_true(yield OS.File.exists(download.target.partFilePath));
   1.973 +
   1.974 +  // Clean up.
   1.975 +  yield download.removePartialData();
   1.976 +
   1.977 +  // Check finalization while removing partial data.
   1.978 +  download = yield promiseStartDownload_tryToKeepPartialData();
   1.979 +  yield download.finalize(true);
   1.980 +
   1.981 +  do_check_false(download.hasPartialData);
   1.982 +  do_check_false(yield OS.File.exists(download.target.partFilePath));
   1.983 +});
   1.984 +
   1.985 +/**
   1.986 + * Checks that whenSucceeded returns a promise that is resolved after a restart.
   1.987 + */
   1.988 +add_task(function test_whenSucceeded_after_restart()
   1.989 +{
   1.990 +  mustInterruptResponses();
   1.991 +
   1.992 +  let promiseSucceeded;
   1.993 +
   1.994 +  let download;
   1.995 +  if (!gUseLegacySaver) {
   1.996 +    // When testing DownloadCopySaver, we have control over the download, thus
   1.997 +    // we can verify getting a reference before the first download attempt.
   1.998 +    download = yield promiseNewDownload(httpUrl("interruptible.txt"));
   1.999 +    promiseSucceeded = download.whenSucceeded();
  1.1000 +    download.start();
  1.1001 +  } else {
  1.1002 +    // When testing DownloadLegacySaver, the download is already started when it
  1.1003 +    // is created, thus we cannot get the reference before the first attempt.
  1.1004 +    download = yield promiseStartLegacyDownload(httpUrl("interruptible.txt"));
  1.1005 +    promiseSucceeded = download.whenSucceeded();
  1.1006 +  }
  1.1007 +
  1.1008 +  // Cancel the first download attempt.
  1.1009 +  yield download.cancel();
  1.1010 +
  1.1011 +  // The second request is allowed to complete.
  1.1012 +  continueResponses();
  1.1013 +  download.start();
  1.1014 +
  1.1015 +  // Wait for the download to finish by waiting on the whenSucceeded promise.
  1.1016 +  yield promiseSucceeded;
  1.1017 +
  1.1018 +  do_check_true(download.stopped);
  1.1019 +  do_check_true(download.succeeded);
  1.1020 +  do_check_false(download.canceled);
  1.1021 +  do_check_true(download.error === null);
  1.1022 +
  1.1023 +  yield promiseVerifyContents(download.target.path,
  1.1024 +                              TEST_DATA_SHORT + TEST_DATA_SHORT);
  1.1025 +});
  1.1026 +
  1.1027 +/**
  1.1028 + * Ensures download error details are reported on network failures.
  1.1029 + */
  1.1030 +add_task(function test_error_source()
  1.1031 +{
  1.1032 +  let serverSocket = startFakeServer();
  1.1033 +  try {
  1.1034 +    let sourceUrl = "http://localhost:" + serverSocket.port + "/source.txt";
  1.1035 +
  1.1036 +    let download;
  1.1037 +    try {
  1.1038 +      if (!gUseLegacySaver) {
  1.1039 +        // When testing DownloadCopySaver, we want to check that the promise
  1.1040 +        // returned by the "start" method is rejected.
  1.1041 +        download = yield promiseNewDownload(sourceUrl);
  1.1042 +
  1.1043 +        do_check_true(download.error === null);
  1.1044 +
  1.1045 +        yield download.start();
  1.1046 +      } else {
  1.1047 +        // When testing DownloadLegacySaver, we cannot be sure whether we are
  1.1048 +        // testing the promise returned by the "start" method or we are testing
  1.1049 +        // the "error" property checked by promiseDownloadStopped.  This happens
  1.1050 +        // because we don't have control over when the download is started.
  1.1051 +        download = yield promiseStartLegacyDownload(sourceUrl);
  1.1052 +        yield promiseDownloadStopped(download);
  1.1053 +      }
  1.1054 +      do_throw("The download should have failed.");
  1.1055 +    } catch (ex if ex instanceof Downloads.Error && ex.becauseSourceFailed) {
  1.1056 +      // A specific error object is thrown when reading from the source fails.
  1.1057 +    }
  1.1058 +
  1.1059 +    // Check the properties now that the download stopped.
  1.1060 +    do_check_true(download.stopped);
  1.1061 +    do_check_false(download.canceled);
  1.1062 +    do_check_true(download.error !== null);
  1.1063 +    do_check_true(download.error.becauseSourceFailed);
  1.1064 +    do_check_false(download.error.becauseTargetFailed);
  1.1065 +
  1.1066 +    do_check_false(yield OS.File.exists(download.target.path));
  1.1067 +  } finally {
  1.1068 +    serverSocket.close();
  1.1069 +  }
  1.1070 +});
  1.1071 +
  1.1072 +/**
  1.1073 + * Ensures download error details are reported on local writing failures.
  1.1074 + */
  1.1075 +add_task(function test_error_target()
  1.1076 +{
  1.1077 +  // Create a file without write access permissions before downloading.
  1.1078 +  let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
  1.1079 +  targetFile.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0);
  1.1080 +  try {
  1.1081 +    let download;
  1.1082 +    try {
  1.1083 +      if (!gUseLegacySaver) {
  1.1084 +        // When testing DownloadCopySaver, we want to check that the promise
  1.1085 +        // returned by the "start" method is rejected.
  1.1086 +        download = yield Downloads.createDownload({
  1.1087 +          source: httpUrl("source.txt"),
  1.1088 +          target: targetFile,
  1.1089 +        });
  1.1090 +        yield download.start();
  1.1091 +      } else {
  1.1092 +        // When testing DownloadLegacySaver, we cannot be sure whether we are
  1.1093 +        // testing the promise returned by the "start" method or we are testing
  1.1094 +        // the "error" property checked by promiseDownloadStopped.  This happens
  1.1095 +        // because we don't have control over when the download is started.
  1.1096 +        download = yield promiseStartLegacyDownload(null,
  1.1097 +                                                    { targetFile: targetFile });
  1.1098 +        yield promiseDownloadStopped(download);
  1.1099 +      }
  1.1100 +      do_throw("The download should have failed.");
  1.1101 +    } catch (ex if ex instanceof Downloads.Error && ex.becauseTargetFailed) {
  1.1102 +      // A specific error object is thrown when writing to the target fails.
  1.1103 +    }
  1.1104 +
  1.1105 +    // Check the properties now that the download stopped.
  1.1106 +    do_check_true(download.stopped);
  1.1107 +    do_check_false(download.canceled);
  1.1108 +    do_check_true(download.error !== null);
  1.1109 +    do_check_true(download.error.becauseTargetFailed);
  1.1110 +    do_check_false(download.error.becauseSourceFailed);
  1.1111 +  } finally {
  1.1112 +    // Restore the default permissions to allow deleting the file on Windows.
  1.1113 +    if (targetFile.exists()) {
  1.1114 +      targetFile.permissions = FileUtils.PERMS_FILE;
  1.1115 +      targetFile.remove(false);
  1.1116 +    }
  1.1117 +  }
  1.1118 +});
  1.1119 +
  1.1120 +/**
  1.1121 + * Restarts a failed download.
  1.1122 + */
  1.1123 +add_task(function test_error_restart()
  1.1124 +{
  1.1125 +  let download;
  1.1126 +
  1.1127 +  // Create a file without write access permissions before downloading.
  1.1128 +  let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
  1.1129 +  targetFile.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0);
  1.1130 +  try {
  1.1131 +    // Use DownloadCopySaver or DownloadLegacySaver based on the test run,
  1.1132 +    // specifying the target file we created.
  1.1133 +    if (!gUseLegacySaver) {
  1.1134 +      download = yield Downloads.createDownload({
  1.1135 +        source: httpUrl("source.txt"),
  1.1136 +        target: targetFile,
  1.1137 +      });
  1.1138 +      download.start();
  1.1139 +    } else {
  1.1140 +      download = yield promiseStartLegacyDownload(null,
  1.1141 +                                                  { targetFile: targetFile });
  1.1142 +    }
  1.1143 +    yield promiseDownloadStopped(download);
  1.1144 +    do_throw("The download should have failed.");
  1.1145 +  } catch (ex if ex instanceof Downloads.Error && ex.becauseTargetFailed) {
  1.1146 +    // A specific error object is thrown when writing to the target fails.
  1.1147 +  } finally {
  1.1148 +    // Restore the default permissions to allow deleting the file on Windows.
  1.1149 +    if (targetFile.exists()) {
  1.1150 +      targetFile.permissions = FileUtils.PERMS_FILE;
  1.1151 +
  1.1152 +      // Also for Windows, rename the file before deleting.  This makes the
  1.1153 +      // current file name available immediately for a new file, while deleting
  1.1154 +      // in place prevents creation of a file with the same name for some time.
  1.1155 +      targetFile.moveTo(null, targetFile.leafName + ".delete.tmp");
  1.1156 +      targetFile.remove(false);
  1.1157 +    }
  1.1158 +  }
  1.1159 +
  1.1160 +  // Restart the download and wait for completion.
  1.1161 +  yield download.start();
  1.1162 +
  1.1163 +  do_check_true(download.stopped);
  1.1164 +  do_check_true(download.succeeded);
  1.1165 +  do_check_false(download.canceled);
  1.1166 +  do_check_true(download.error === null);
  1.1167 +  do_check_eq(download.progress, 100);
  1.1168 +
  1.1169 +  yield promiseVerifyContents(download.target.path, TEST_DATA_SHORT);
  1.1170 +});
  1.1171 +
  1.1172 +/**
  1.1173 + * Executes download in both public and private modes.
  1.1174 + */
  1.1175 +add_task(function test_public_and_private()
  1.1176 +{
  1.1177 +  let sourcePath = "/test_public_and_private.txt";
  1.1178 +  let sourceUrl = httpUrl("test_public_and_private.txt");
  1.1179 +  let testCount = 0;
  1.1180 +
  1.1181 +  // Apply pref to allow all cookies.
  1.1182 +  Services.prefs.setIntPref("network.cookie.cookieBehavior", 0);
  1.1183 +
  1.1184 +  function cleanup() {
  1.1185 +    Services.prefs.clearUserPref("network.cookie.cookieBehavior");
  1.1186 +    Services.cookies.removeAll();
  1.1187 +    gHttpServer.registerPathHandler(sourcePath, null);
  1.1188 +  }
  1.1189 +  do_register_cleanup(cleanup);
  1.1190 +
  1.1191 +  gHttpServer.registerPathHandler(sourcePath, function (aRequest, aResponse) {
  1.1192 +    aResponse.setHeader("Content-Type", "text/plain", false);
  1.1193 +
  1.1194 +    if (testCount == 0) {
  1.1195 +      // No cookies should exist for first public download.
  1.1196 +      do_check_false(aRequest.hasHeader("Cookie"));
  1.1197 +      aResponse.setHeader("Set-Cookie", "foobar=1", false);
  1.1198 +      testCount++;
  1.1199 +    } else if (testCount == 1) {
  1.1200 +      // The cookie should exists for second public download.
  1.1201 +      do_check_true(aRequest.hasHeader("Cookie"));
  1.1202 +      do_check_eq(aRequest.getHeader("Cookie"), "foobar=1");
  1.1203 +      testCount++;
  1.1204 +    } else if (testCount == 2)  {
  1.1205 +      // No cookies should exist for first private download.
  1.1206 +      do_check_false(aRequest.hasHeader("Cookie"));
  1.1207 +    }
  1.1208 +  });
  1.1209 +
  1.1210 +  let targetFile = getTempFile(TEST_TARGET_FILE_NAME);
  1.1211 +  yield Downloads.fetch(sourceUrl, targetFile);
  1.1212 +  yield Downloads.fetch(sourceUrl, targetFile);
  1.1213 +
  1.1214 +  if (!gUseLegacySaver) {
  1.1215 +    let download = yield Downloads.createDownload({
  1.1216 +      source: { url: sourceUrl, isPrivate: true },
  1.1217 +      target: targetFile,
  1.1218 +    });
  1.1219 +    yield download.start();
  1.1220 +  } else {
  1.1221 +    let download = yield promiseStartLegacyDownload(sourceUrl,
  1.1222 +                                                    { isPrivate: true });
  1.1223 +    yield promiseDownloadStopped(download);
  1.1224 +  }
  1.1225 +
  1.1226 +  cleanup();
  1.1227 +});
  1.1228 +
  1.1229 +/**
  1.1230 + * Checks the startTime gets updated even after a restart.
  1.1231 + */
  1.1232 +add_task(function test_cancel_immediately_restart_and_check_startTime()
  1.1233 +{
  1.1234 +  let download = yield promiseStartDownload();
  1.1235 +
  1.1236 +  let startTime = download.startTime;
  1.1237 +  do_check_true(isValidDate(download.startTime));
  1.1238 +
  1.1239 +  yield download.cancel();
  1.1240 +  do_check_eq(download.startTime.getTime(), startTime.getTime());
  1.1241 +
  1.1242 +  // Wait for a timeout.
  1.1243 +  yield promiseTimeout(10);
  1.1244 +
  1.1245 +  yield download.start();
  1.1246 +  do_check_true(download.startTime.getTime() > startTime.getTime());
  1.1247 +});
  1.1248 +
  1.1249 +/**
  1.1250 + * Executes download with content-encoding.
  1.1251 + */
  1.1252 +add_task(function test_with_content_encoding()
  1.1253 +{
  1.1254 +  let sourcePath = "/test_with_content_encoding.txt";
  1.1255 +  let sourceUrl = httpUrl("test_with_content_encoding.txt");
  1.1256 +
  1.1257 +  function cleanup() {
  1.1258 +    gHttpServer.registerPathHandler(sourcePath, null);
  1.1259 +  }
  1.1260 +  do_register_cleanup(cleanup);
  1.1261 +
  1.1262 +  gHttpServer.registerPathHandler(sourcePath, function (aRequest, aResponse) {
  1.1263 +    aResponse.setHeader("Content-Type", "text/plain", false);
  1.1264 +    aResponse.setHeader("Content-Encoding", "gzip", false);
  1.1265 +    aResponse.setHeader("Content-Length",
  1.1266 +                        "" + TEST_DATA_SHORT_GZIP_ENCODED.length, false);
  1.1267 +
  1.1268 +    let bos = new BinaryOutputStream(aResponse.bodyOutputStream);
  1.1269 +    bos.writeByteArray(TEST_DATA_SHORT_GZIP_ENCODED,
  1.1270 +                       TEST_DATA_SHORT_GZIP_ENCODED.length);
  1.1271 +  });
  1.1272 +
  1.1273 +  let download = yield promiseStartDownload(sourceUrl);
  1.1274 +  yield promiseDownloadStopped(download);
  1.1275 +
  1.1276 +  do_check_eq(download.progress, 100);
  1.1277 +  do_check_eq(download.totalBytes, TEST_DATA_SHORT_GZIP_ENCODED.length);
  1.1278 +
  1.1279 +  // Ensure the content matches the decoded test data.
  1.1280 +  yield promiseVerifyContents(download.target.path, TEST_DATA_SHORT);
  1.1281 +
  1.1282 +  cleanup();
  1.1283 +});
  1.1284 +
  1.1285 +/**
  1.1286 + * Checks that the file is not decoded if the extension matches the encoding.
  1.1287 + */
  1.1288 +add_task(function test_with_content_encoding_ignore_extension()
  1.1289 +{
  1.1290 +  let sourcePath = "/test_with_content_encoding_ignore_extension.gz";
  1.1291 +  let sourceUrl = httpUrl("test_with_content_encoding_ignore_extension.gz");
  1.1292 +
  1.1293 +  function cleanup() {
  1.1294 +    gHttpServer.registerPathHandler(sourcePath, null);
  1.1295 +  }
  1.1296 +  do_register_cleanup(cleanup);
  1.1297 +
  1.1298 +  gHttpServer.registerPathHandler(sourcePath, function (aRequest, aResponse) {
  1.1299 +    aResponse.setHeader("Content-Type", "text/plain", false);
  1.1300 +    aResponse.setHeader("Content-Encoding", "gzip", false);
  1.1301 +    aResponse.setHeader("Content-Length",
  1.1302 +                        "" + TEST_DATA_SHORT_GZIP_ENCODED.length, false);
  1.1303 +
  1.1304 +    let bos = new BinaryOutputStream(aResponse.bodyOutputStream);
  1.1305 +    bos.writeByteArray(TEST_DATA_SHORT_GZIP_ENCODED,
  1.1306 +                       TEST_DATA_SHORT_GZIP_ENCODED.length);
  1.1307 +  });
  1.1308 +
  1.1309 +  let download = yield promiseStartDownload(sourceUrl);
  1.1310 +  yield promiseDownloadStopped(download);
  1.1311 +
  1.1312 +  do_check_eq(download.progress, 100);
  1.1313 +  do_check_eq(download.totalBytes, TEST_DATA_SHORT_GZIP_ENCODED.length);
  1.1314 +
  1.1315 +  // Ensure the content matches the encoded test data.  We convert the data to a
  1.1316 +  // string before executing the content check.
  1.1317 +  yield promiseVerifyContents(download.target.path,
  1.1318 +        String.fromCharCode.apply(String, TEST_DATA_SHORT_GZIP_ENCODED));
  1.1319 +
  1.1320 +  cleanup();
  1.1321 +});
  1.1322 +
  1.1323 +/**
  1.1324 + * Cancels and restarts a download sequentially with content-encoding.
  1.1325 + */
  1.1326 +add_task(function test_cancel_midway_restart_with_content_encoding()
  1.1327 +{
  1.1328 +  mustInterruptResponses();
  1.1329 +
  1.1330 +  let download = yield promiseStartDownload(httpUrl("interruptible_gzip.txt"));
  1.1331 +
  1.1332 +  // The first time, cancel the download midway.
  1.1333 +  let deferCancel = Promise.defer();
  1.1334 +  let onchange = function () {
  1.1335 +    if (!download.stopped && !download.canceled &&
  1.1336 +        download.currentBytes == TEST_DATA_SHORT_GZIP_ENCODED_FIRST.length) {
  1.1337 +      deferCancel.resolve(download.cancel());
  1.1338 +    }
  1.1339 +  };
  1.1340 +
  1.1341 +  // Register for the notification, but also call the function directly in
  1.1342 +  // case the download already reached the expected progress.
  1.1343 +  download.onchange = onchange;
  1.1344 +  onchange();
  1.1345 +
  1.1346 +  yield deferCancel.promise;
  1.1347 +
  1.1348 +  do_check_true(download.stopped);
  1.1349 +
  1.1350 +  // The second time, we'll provide the entire interruptible response.
  1.1351 +  continueResponses();
  1.1352 +  download.onchange = null;
  1.1353 +  yield download.start();
  1.1354 +
  1.1355 +  do_check_eq(download.progress, 100);
  1.1356 +  do_check_eq(download.totalBytes, TEST_DATA_SHORT_GZIP_ENCODED.length);
  1.1357 +
  1.1358 +  yield promiseVerifyContents(download.target.path, TEST_DATA_SHORT);
  1.1359 +});
  1.1360 +
  1.1361 +/**
  1.1362 + * Download with parental controls enabled.
  1.1363 + */
  1.1364 +add_task(function test_blocked_parental_controls()
  1.1365 +{
  1.1366 +  function cleanup() {
  1.1367 +    DownloadIntegration.shouldBlockInTest = false;
  1.1368 +  }
  1.1369 +  do_register_cleanup(cleanup);
  1.1370 +  DownloadIntegration.shouldBlockInTest = true;
  1.1371 +
  1.1372 +  let download;
  1.1373 +  try {
  1.1374 +    if (!gUseLegacySaver) {
  1.1375 +      // When testing DownloadCopySaver, we want to check that the promise
  1.1376 +      // returned by the "start" method is rejected.
  1.1377 +      download = yield promiseNewDownload();
  1.1378 +      yield download.start();
  1.1379 +    } else {
  1.1380 +      // When testing DownloadLegacySaver, we cannot be sure whether we are
  1.1381 +      // testing the promise returned by the "start" method or we are testing
  1.1382 +      // the "error" property checked by promiseDownloadStopped.  This happens
  1.1383 +      // because we don't have control over when the download is started.
  1.1384 +      download = yield promiseStartLegacyDownload();
  1.1385 +      yield promiseDownloadStopped(download);
  1.1386 +    }
  1.1387 +    do_throw("The download should have blocked.");
  1.1388 +  } catch (ex if ex instanceof Downloads.Error && ex.becauseBlocked) {
  1.1389 +    do_check_true(ex.becauseBlockedByParentalControls);
  1.1390 +    do_check_true(download.error.becauseBlockedByParentalControls);
  1.1391 +  }
  1.1392 +
  1.1393 +  // Now that the download stopped, the target file should not exist.
  1.1394 +  do_check_false(yield OS.File.exists(download.target.path));
  1.1395 +
  1.1396 +  cleanup();
  1.1397 +});
  1.1398 +
  1.1399 +/**
  1.1400 + * Test a download that will be blocked by Windows parental controls by
  1.1401 + * resulting in an HTTP status code of 450.
  1.1402 + */
  1.1403 +add_task(function test_blocked_parental_controls_httpstatus450()
  1.1404 +{
  1.1405 +  let download;
  1.1406 +  try {
  1.1407 +    if (!gUseLegacySaver) {
  1.1408 +      download = yield promiseNewDownload(httpUrl("parentalblocked.zip"));
  1.1409 +      yield download.start();
  1.1410 +    }
  1.1411 +    else {
  1.1412 +      download = yield promiseStartLegacyDownload(httpUrl("parentalblocked.zip"));
  1.1413 +      yield promiseDownloadStopped(download);
  1.1414 +    }
  1.1415 +    do_throw("The download should have blocked.");
  1.1416 +  } catch (ex if ex instanceof Downloads.Error && ex.becauseBlocked) {
  1.1417 +    do_check_true(ex.becauseBlockedByParentalControls);
  1.1418 +    do_check_true(download.error.becauseBlockedByParentalControls);
  1.1419 +    do_check_true(download.stopped);
  1.1420 +  }
  1.1421 +
  1.1422 +  do_check_false(yield OS.File.exists(download.target.path));
  1.1423 +});
  1.1424 +
  1.1425 +/**
  1.1426 + * Check that DownloadCopySaver can always retrieve the hash.
  1.1427 + * DownloadLegacySaver can only retrieve the hash when
  1.1428 + * nsIExternalHelperAppService is invoked.
  1.1429 + */
  1.1430 +add_task(function test_getSha256Hash()
  1.1431 +{
  1.1432 +  if (!gUseLegacySaver) {
  1.1433 +    let download = yield promiseStartDownload(httpUrl("source.txt"));
  1.1434 +    yield promiseDownloadStopped(download);
  1.1435 +    do_check_true(download.stopped);
  1.1436 +    do_check_eq(32, download.saver.getSha256Hash().length);
  1.1437 +  }
  1.1438 +});
  1.1439 +
  1.1440 +/**
  1.1441 + * Checks that application reputation blocks the download and the target file
  1.1442 + * does not exist.
  1.1443 + */
  1.1444 +add_task(function test_blocked_applicationReputation()
  1.1445 +{
  1.1446 +  function cleanup() {
  1.1447 +    DownloadIntegration.shouldBlockInTestForApplicationReputation = false;
  1.1448 +  }
  1.1449 +  do_register_cleanup(cleanup);
  1.1450 +  DownloadIntegration.shouldBlockInTestForApplicationReputation = true;
  1.1451 +
  1.1452 +  let download;
  1.1453 +  try {
  1.1454 +    if (!gUseLegacySaver) {
  1.1455 +      // When testing DownloadCopySaver, we want to check that the promise
  1.1456 +      // returned by the "start" method is rejected.
  1.1457 +      download = yield promiseNewDownload();
  1.1458 +      yield download.start();
  1.1459 +    } else {
  1.1460 +      // When testing DownloadLegacySaver, we cannot be sure whether we are
  1.1461 +      // testing the promise returned by the "start" method or we are testing
  1.1462 +      // the "error" property checked by promiseDownloadStopped.  This happens
  1.1463 +      // because we don't have control over when the download is started.
  1.1464 +      download = yield promiseStartLegacyDownload();
  1.1465 +      yield promiseDownloadStopped(download);
  1.1466 +    }
  1.1467 +    do_throw("The download should have blocked.");
  1.1468 +  } catch (ex if ex instanceof Downloads.Error && ex.becauseBlocked) {
  1.1469 +    do_check_true(ex.becauseBlockedByReputationCheck);
  1.1470 +    do_check_true(download.error.becauseBlockedByReputationCheck);
  1.1471 +  }
  1.1472 +
  1.1473 +  // Now that the download is blocked, the target file should not exist.
  1.1474 +  do_check_false(yield OS.File.exists(download.target.path));
  1.1475 +  cleanup();
  1.1476 +});
  1.1477 +
  1.1478 +/**
  1.1479 + * download.showContainingDirectory() action
  1.1480 + */
  1.1481 +add_task(function test_showContainingDirectory() {
  1.1482 +  DownloadIntegration._deferTestShowDir = Promise.defer();
  1.1483 +
  1.1484 +  let targetPath = getTempFile(TEST_TARGET_FILE_NAME).path;
  1.1485 +
  1.1486 +  let download = yield Downloads.createDownload({
  1.1487 +    source: { url: httpUrl("source.txt") },
  1.1488 +    target: ""
  1.1489 +  });
  1.1490 +
  1.1491 +  try {
  1.1492 +    yield download.showContainingDirectory();
  1.1493 +    do_throw("Should have failed because of an invalid path.");
  1.1494 +  } catch (ex if ex instanceof Components.Exception) {
  1.1495 +    // Invalid paths on Windows are reported with NS_ERROR_FAILURE,
  1.1496 +    // but with NS_ERROR_FILE_UNRECOGNIZED_PATH on Mac/Linux
  1.1497 +    let validResult = ex.result == Cr.NS_ERROR_FILE_UNRECOGNIZED_PATH ||
  1.1498 +                      ex.result == Cr.NS_ERROR_FAILURE;
  1.1499 +    do_check_true(validResult);
  1.1500 +  }
  1.1501 +
  1.1502 +  download = yield Downloads.createDownload({
  1.1503 +    source: { url: httpUrl("source.txt") },
  1.1504 +    target: targetPath
  1.1505 +  });
  1.1506 +
  1.1507 +
  1.1508 +  DownloadIntegration._deferTestShowDir = Promise.defer();
  1.1509 +  download.showContainingDirectory();
  1.1510 +  let result = yield DownloadIntegration._deferTestShowDir.promise;
  1.1511 +  do_check_eq(result, "success");
  1.1512 +});
  1.1513 +
  1.1514 +/**
  1.1515 + * download.launch() action
  1.1516 + */
  1.1517 +add_task(function test_launch() {
  1.1518 +  let customLauncher = getTempFile("app-launcher");
  1.1519 +
  1.1520 +  // Test both with and without setting a custom application.
  1.1521 +  for (let launcherPath of [null, customLauncher.path]) {
  1.1522 +    let download;
  1.1523 +    if (!gUseLegacySaver) {
  1.1524 +      // When testing DownloadCopySaver, we have control over the download, thus
  1.1525 +      // we can test that file is not launched if download.succeeded is not set.
  1.1526 +      download = yield Downloads.createDownload({
  1.1527 +        source: httpUrl("source.txt"),
  1.1528 +        target: getTempFile(TEST_TARGET_FILE_NAME).path,
  1.1529 +        launcherPath: launcherPath,
  1.1530 +        launchWhenSucceeded: true
  1.1531 +      });
  1.1532 +
  1.1533 +      try {
  1.1534 +        yield download.launch();
  1.1535 +        do_throw("Can't launch download file as it has not completed yet");
  1.1536 +      } catch (ex) {
  1.1537 +        do_check_eq(ex.message,
  1.1538 +                    "launch can only be called if the download succeeded");
  1.1539 +      }
  1.1540 +
  1.1541 +      yield download.start();
  1.1542 +    } else {
  1.1543 +      // When testing DownloadLegacySaver, the download is already started when
  1.1544 +      // it is created, thus we don't test calling "launch" before starting.
  1.1545 +      download = yield promiseStartLegacyDownload(
  1.1546 +                                         httpUrl("source.txt"),
  1.1547 +                                         { launcherPath: launcherPath,
  1.1548 +                                           launchWhenSucceeded: true });
  1.1549 +      yield promiseDownloadStopped(download);
  1.1550 +    }
  1.1551 +
  1.1552 +    do_check_true(download.launchWhenSucceeded);
  1.1553 +
  1.1554 +    DownloadIntegration._deferTestOpenFile = Promise.defer();
  1.1555 +    download.launch();
  1.1556 +    let result = yield DownloadIntegration._deferTestOpenFile.promise;
  1.1557 +
  1.1558 +    // Verify that the results match the test case.
  1.1559 +    if (!launcherPath) {
  1.1560 +      // This indicates that the default handler has been chosen.
  1.1561 +      do_check_true(result === null);
  1.1562 +    } else {
  1.1563 +      // Check the nsIMIMEInfo instance that would have been used for launching.
  1.1564 +      do_check_eq(result.preferredAction, Ci.nsIMIMEInfo.useHelperApp);
  1.1565 +      do_check_true(result.preferredApplicationHandler
  1.1566 +                          .QueryInterface(Ci.nsILocalHandlerApp)
  1.1567 +                          .executable.equals(customLauncher));
  1.1568 +    }
  1.1569 +  }
  1.1570 +});
  1.1571 +
  1.1572 +/**
  1.1573 + * Test passing an invalid path as the launcherPath property.
  1.1574 + */
  1.1575 +add_task(function test_launcherPath_invalid() {
  1.1576 +  let download = yield Downloads.createDownload({
  1.1577 +    source: { url: httpUrl("source.txt") },
  1.1578 +    target: { path: getTempFile(TEST_TARGET_FILE_NAME).path },
  1.1579 +    launcherPath: " "
  1.1580 +  });
  1.1581 +
  1.1582 +  DownloadIntegration._deferTestOpenFile = Promise.defer();
  1.1583 +  yield download.start();
  1.1584 +  try {
  1.1585 +    download.launch();
  1.1586 +    result = yield DownloadIntegration._deferTestOpenFile.promise;
  1.1587 +    do_throw("Can't launch file with invalid custom launcher")
  1.1588 +  } catch (ex if ex instanceof Components.Exception) {
  1.1589 +    // Invalid paths on Windows are reported with NS_ERROR_FAILURE,
  1.1590 +    // but with NS_ERROR_FILE_UNRECOGNIZED_PATH on Mac/Linux
  1.1591 +    let validResult = ex.result == Cr.NS_ERROR_FILE_UNRECOGNIZED_PATH ||
  1.1592 +                      ex.result == Cr.NS_ERROR_FAILURE;
  1.1593 +    do_check_true(validResult);
  1.1594 +  }
  1.1595 +});
  1.1596 +
  1.1597 +/**
  1.1598 + * Tests that download.launch() is automatically called after
  1.1599 + * the download finishes if download.launchWhenSucceeded = true
  1.1600 + */
  1.1601 +add_task(function test_launchWhenSucceeded() {
  1.1602 +  let customLauncher = getTempFile("app-launcher");
  1.1603 +
  1.1604 +  // Test both with and without setting a custom application.
  1.1605 +  for (let launcherPath of [null, customLauncher.path]) {
  1.1606 +    DownloadIntegration._deferTestOpenFile = Promise.defer();
  1.1607 +
  1.1608 +    if (!gUseLegacySaver) {
  1.1609 +      let download = yield Downloads.createDownload({
  1.1610 +        source: httpUrl("source.txt"),
  1.1611 +        target: getTempFile(TEST_TARGET_FILE_NAME).path,
  1.1612 +        launchWhenSucceeded: true,
  1.1613 +        launcherPath: launcherPath,
  1.1614 +      });
  1.1615 +      yield download.start();
  1.1616 +    } else {
  1.1617 +      let download = yield promiseStartLegacyDownload(
  1.1618 +                                             httpUrl("source.txt"),
  1.1619 +                                             { launcherPath: launcherPath,
  1.1620 +                                               launchWhenSucceeded: true });
  1.1621 +      yield promiseDownloadStopped(download);
  1.1622 +    }
  1.1623 +
  1.1624 +    let result = yield DownloadIntegration._deferTestOpenFile.promise;
  1.1625 +
  1.1626 +    // Verify that the results match the test case.
  1.1627 +    if (!launcherPath) {
  1.1628 +      // This indicates that the default handler has been chosen.
  1.1629 +      do_check_true(result === null);
  1.1630 +    } else {
  1.1631 +      // Check the nsIMIMEInfo instance that would have been used for launching.
  1.1632 +      do_check_eq(result.preferredAction, Ci.nsIMIMEInfo.useHelperApp);
  1.1633 +      do_check_true(result.preferredApplicationHandler
  1.1634 +                          .QueryInterface(Ci.nsILocalHandlerApp)
  1.1635 +                          .executable.equals(customLauncher));
  1.1636 +    }
  1.1637 +  }
  1.1638 +});
  1.1639 +
  1.1640 +/**
  1.1641 + * Tests that the proper content type is set for a normal download.
  1.1642 + */
  1.1643 +add_task(function test_contentType() {
  1.1644 +  let download = yield promiseStartDownload(httpUrl("source.txt"));
  1.1645 +  yield promiseDownloadStopped(download);
  1.1646 +
  1.1647 +  do_check_eq("text/plain", download.contentType);
  1.1648 +});
  1.1649 +
  1.1650 +/**
  1.1651 + * Tests that the serialization/deserialization of the startTime Date
  1.1652 + * object works correctly.
  1.1653 + */
  1.1654 +add_task(function test_toSerializable_startTime()
  1.1655 +{
  1.1656 +  let download1 = yield promiseStartDownload(httpUrl("source.txt"));
  1.1657 +  yield promiseDownloadStopped(download1);
  1.1658 +
  1.1659 +  let serializable = download1.toSerializable();
  1.1660 +  let reserialized = JSON.parse(JSON.stringify(serializable));
  1.1661 +
  1.1662 +  let download2 = yield Downloads.createDownload(reserialized);
  1.1663 +
  1.1664 +  do_check_eq(download1.startTime.constructor.name, "Date");
  1.1665 +  do_check_eq(download2.startTime.constructor.name, "Date");
  1.1666 +  do_check_eq(download1.startTime.toJSON(), download2.startTime.toJSON());
  1.1667 +});
  1.1668 +
  1.1669 +/**
  1.1670 + * This test will call the platform specific operations within
  1.1671 + * DownloadPlatform::DownloadDone. While there is no test to verify the
  1.1672 + * specific behaviours, this at least ensures that there is no error or crash.
  1.1673 + */
  1.1674 +add_task(function test_platform_integration()
  1.1675 +{
  1.1676 +  let downloadFiles = [];
  1.1677 +  function cleanup() {
  1.1678 +    for (let file of downloadFiles) {
  1.1679 +      file.remove(true);
  1.1680 +    }
  1.1681 +  }
  1.1682 +  do_register_cleanup(cleanup);
  1.1683 +
  1.1684 +  for (let isPrivate of [false, true]) {
  1.1685 +    DownloadIntegration.downloadDoneCalled = false;
  1.1686 +
  1.1687 +    // Some platform specific operations only operate on files outside the
  1.1688 +    // temporary directory or in the Downloads directory (such as setting
  1.1689 +    // the Windows searchable attribute, and the Mac Downloads icon bouncing),
  1.1690 +    // so use the system Downloads directory for the target file.
  1.1691 +    let targetFilePath = yield DownloadIntegration.getSystemDownloadsDirectory();
  1.1692 +    targetFilePath = OS.Path.join(targetFilePath,
  1.1693 +                                  "test" + (Math.floor(Math.random() * 1000000)));
  1.1694 +    let targetFile = new FileUtils.File(targetFilePath);
  1.1695 +    downloadFiles.push(targetFile);
  1.1696 +
  1.1697 +    let download;
  1.1698 +    if (gUseLegacySaver) {
  1.1699 +      download = yield promiseStartLegacyDownload(httpUrl("source.txt"),
  1.1700 +                                                  { targetFile: targetFile });
  1.1701 +    }
  1.1702 +    else {
  1.1703 +      download = yield Downloads.createDownload({
  1.1704 +        source: httpUrl("source.txt"),
  1.1705 +        target: targetFile,
  1.1706 +      });
  1.1707 +      download.start();
  1.1708 +    }
  1.1709 +
  1.1710 +    // Wait for the whenSucceeded promise to be resolved first.
  1.1711 +    // downloadDone should be called before the whenSucceeded promise is resolved.
  1.1712 +    yield download.whenSucceeded().then(function () {
  1.1713 +      do_check_true(DownloadIntegration.downloadDoneCalled);
  1.1714 +    });
  1.1715 +
  1.1716 +    // Then, wait for the promise returned by "start" to be resolved.
  1.1717 +    yield promiseDownloadStopped(download);
  1.1718 +
  1.1719 +    yield promiseVerifyContents(download.target.path, TEST_DATA_SHORT);
  1.1720 +  }
  1.1721 +});
  1.1722 +
  1.1723 +/**
  1.1724 + * Checks that downloads are added to browsing history when they start.
  1.1725 + */
  1.1726 +add_task(function test_history()
  1.1727 +{
  1.1728 +  mustInterruptResponses();
  1.1729 +
  1.1730 +  // We will wait for the visit to be notified during the download.
  1.1731 +  yield promiseClearHistory();
  1.1732 +  let promiseVisit = promiseWaitForVisit(httpUrl("interruptible.txt"));
  1.1733 +
  1.1734 +  // Start a download that is not allowed to finish yet.
  1.1735 +  let download = yield promiseStartDownload(httpUrl("interruptible.txt"));
  1.1736 +
  1.1737 +  // The history notifications should be received before the download completes.
  1.1738 +  let [time, transitionType] = yield promiseVisit;
  1.1739 +  do_check_eq(time, download.startTime.getTime() * 1000);
  1.1740 +  do_check_eq(transitionType, Ci.nsINavHistoryService.TRANSITION_DOWNLOAD);
  1.1741 +
  1.1742 +  // Restart and complete the download after clearing history.
  1.1743 +  yield promiseClearHistory();
  1.1744 +  download.cancel();
  1.1745 +  continueResponses();
  1.1746 +  yield download.start();
  1.1747 +
  1.1748 +  // The restart should not have added a new history visit.
  1.1749 +  do_check_false(yield promiseIsURIVisited(httpUrl("interruptible.txt")));
  1.1750 +});
  1.1751 +
  1.1752 +/**
  1.1753 + * Checks that downloads started by nsIHelperAppService are added to the
  1.1754 + * browsing history when they start.
  1.1755 + */
  1.1756 +add_task(function test_history_tryToKeepPartialData()
  1.1757 +{
  1.1758 +  // We will wait for the visit to be notified during the download.
  1.1759 +  yield promiseClearHistory();
  1.1760 +  let promiseVisit =
  1.1761 +      promiseWaitForVisit(httpUrl("interruptible_resumable.txt"));
  1.1762 +
  1.1763 +  // Start a download that is not allowed to finish yet.
  1.1764 +  let beforeStartTimeMs = Date.now();
  1.1765 +  let download = yield promiseStartDownload_tryToKeepPartialData();
  1.1766 +
  1.1767 +  // The history notifications should be received before the download completes.
  1.1768 +  let [time, transitionType] = yield promiseVisit;
  1.1769 +  do_check_eq(transitionType, Ci.nsINavHistoryService.TRANSITION_DOWNLOAD);
  1.1770 +
  1.1771 +  // The time set by nsIHelperAppService may be different than the start time in
  1.1772 +  // the download object, thus we only check that it is a meaningful time.  Note
  1.1773 +  // that we subtract one second from the earliest time to account for rounding.
  1.1774 +  do_check_true(time >= beforeStartTimeMs * 1000 - 1000000);
  1.1775 +
  1.1776 +  // Complete the download before finishing the test.
  1.1777 +  continueResponses();
  1.1778 +  yield promiseDownloadStopped(download);
  1.1779 +});
  1.1780 +
  1.1781 +/**
  1.1782 + * Tests that the temp download files are removed on exit and exiting private
  1.1783 + * mode after they have been launched.
  1.1784 + */
  1.1785 +add_task(function test_launchWhenSucceeded_deleteTempFileOnExit() {
  1.1786 +  const kDeleteTempFileOnExit = "browser.helperApps.deleteTempFileOnExit";
  1.1787 +
  1.1788 +  let customLauncherPath = getTempFile("app-launcher").path;
  1.1789 +  let autoDeleteTargetPathOne = getTempFile(TEST_TARGET_FILE_NAME).path;
  1.1790 +  let autoDeleteTargetPathTwo = getTempFile(TEST_TARGET_FILE_NAME).path;
  1.1791 +  let noAutoDeleteTargetPath = getTempFile(TEST_TARGET_FILE_NAME).path;
  1.1792 +
  1.1793 +  let autoDeleteDownloadOne = yield Downloads.createDownload({
  1.1794 +    source: { url: httpUrl("source.txt"), isPrivate: true },
  1.1795 +    target: autoDeleteTargetPathOne,
  1.1796 +    launchWhenSucceeded: true,
  1.1797 +    launcherPath: customLauncherPath,
  1.1798 +  });
  1.1799 +  yield autoDeleteDownloadOne.start();
  1.1800 +
  1.1801 +  Services.prefs.setBoolPref(kDeleteTempFileOnExit, true);
  1.1802 +  let autoDeleteDownloadTwo = yield Downloads.createDownload({
  1.1803 +    source: httpUrl("source.txt"),
  1.1804 +    target: autoDeleteTargetPathTwo,
  1.1805 +    launchWhenSucceeded: true,
  1.1806 +    launcherPath: customLauncherPath,
  1.1807 +  });
  1.1808 +  yield autoDeleteDownloadTwo.start();
  1.1809 +
  1.1810 +  Services.prefs.setBoolPref(kDeleteTempFileOnExit, false);
  1.1811 +  let noAutoDeleteDownload = yield Downloads.createDownload({
  1.1812 +    source: httpUrl("source.txt"),
  1.1813 +    target: noAutoDeleteTargetPath,
  1.1814 +    launchWhenSucceeded: true,
  1.1815 +    launcherPath: customLauncherPath,
  1.1816 +  });
  1.1817 +  yield noAutoDeleteDownload.start();
  1.1818 +
  1.1819 +  Services.prefs.clearUserPref(kDeleteTempFileOnExit);
  1.1820 +
  1.1821 +  do_check_true(yield OS.File.exists(autoDeleteTargetPathOne));
  1.1822 +  do_check_true(yield OS.File.exists(autoDeleteTargetPathTwo));
  1.1823 +  do_check_true(yield OS.File.exists(noAutoDeleteTargetPath));
  1.1824 +
  1.1825 +  // Simulate leaving private browsing mode
  1.1826 +  Services.obs.notifyObservers(null, "last-pb-context-exited", null);
  1.1827 +  do_check_false(yield OS.File.exists(autoDeleteTargetPathOne));
  1.1828 +
  1.1829 +  // Simulate browser shutdown
  1.1830 +  let expire = Cc["@mozilla.org/uriloader/external-helper-app-service;1"]
  1.1831 +                 .getService(Ci.nsIObserver);
  1.1832 +  expire.observe(null, "profile-before-change", null);
  1.1833 +  do_check_false(yield OS.File.exists(autoDeleteTargetPathTwo));
  1.1834 +  do_check_true(yield OS.File.exists(noAutoDeleteTargetPath));
  1.1835 +});

mercurial