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# Copyright (c) 2010 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import hashlib
import os
import sys
import time
import urllib

import pyauto_functional  # Must be imported before pyauto
import pyauto

00016 class DownloadsTest(pyauto.PyUITest):
  """TestCase for Downloads."""

00019   def _ComputeMD5sum(self, filename):
    """Determine md5 checksum for the contents of |filename|."""
    md5 = hashlib.md5()
    md5.update(open(filename, 'rb').read())
    return md5.hexdigest()

00025   def testNoDownloadWaitingNeeded(self):
    """Make sure "wait for downloads" returns quickly if we have none."""

00029   def testZip(self):
    """Download a zip and verify that it downloaded correctly.
       Also verify that the download shelf showed up.
    test_dir = os.path.join(os.path.abspath(self.DataDir()), 'downloads')
    checksum_file = os.path.join(test_dir, 'a_zip_file.md5sum')
    file_url = 'file://%s' % os.path.join(test_dir, 'a_zip_file.zip')
    golden_md5sum = urllib.urlopen(checksum_file).read()
    downloaded_pkg = os.path.join(self.GetDownloadDirectory().value(),

    os.path.exists(downloaded_pkg) and os.remove(downloaded_pkg)

    # Download

    # Wait for the download to finish
    start = time.time()
    end = time.time()
    print 'Wait for downloads to complete: %2.2fsec' % (end - start)

    # Verify that the download shelf is visible

    # Verify that the file was correctly downloaded
    # print 'Download size is %d' % os.path.getsize(downloaded_pkg)
    self.assertEqual(golden_md5sum, self._ComputeMD5sum(downloaded_pkg))

  def testBigZip(self):
    # TODO: download something "pretty big".  The above test will
    # usually wortk even without the WaitForAllDownloadsToComplete().
    # Manual testing shows it isn't just a noop, but an explicit test
    # is needed here.  However, if the download is TOO big, we hit a
    # 30sec timeout in our automation proxy / IPC (didn't track down
    # where exactly).

if __name__ == '__main__':

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