def testDownloadPercentage(self):
"""Verify that during downloading, % values increases,
and once download is over, % value is 100"""
file_path = self._MakeFile(2**24)
# Ensure there's sufficient space remaining to download file.
free_space = test_utils.GetFreeSpace(
self.GetDownloadDirectory().value())
assert free_space >= 2**24, \
'Not enough disk space to download. Got %d free' % free_space
file_url = self.GetFileURLForPath(file_path)
downloaded_pkg = os.path.join(self.GetDownloadDirectory().value(),
os.path.basename(file_path))
os.path.exists(downloaded_pkg) and os.remove(downloaded_pkg)
self.DownloadAndWaitForStart(file_url)
downloaded_pkg = os.path.join(self.GetDownloadDirectory().value(),
os.path.basename(file_path))
downloads = self.GetDownloadsInfo().Downloads()
old_percentage = downloads[0]['PercentComplete']
def _PercentInc():
percent = self.GetDownloadsInfo().Downloads()[0]['PercentComplete']
return old_percentage == 100 or percent > old_percentage,
self.assertTrue(self.WaitUntil(_PercentInc),
msg='Download percentage value is not increasing')
# Once download is completed, percentage is 100.
self.WaitForAllDownloadsToComplete()
downloads = self.GetDownloadsInfo().Downloads()
self.assertEqual(
downloads[0]['PercentComplete'], 100,
'Download percentage should be 100 after download completed')
os.path.exists(file_path) and os.remove(file_path)
os.path.exists(downloaded_pkg) and os.remove(downloaded_pkg)
def testCancelDownload(self):
"""Verify that we can cancel a download."""
# Create a big file (250 MB) on the fly, so that the download won't finish
# before being cancelled.
file_path = self._MakeFile(2**28)
# Ensure there's sufficient space remaining to download file.
free_space = test_utils.GetFreeSpace(
self.GetDownloadDirectory().value())
assert free_space >= 2**28, \
'Not enough disk space to download. Got %d free' % free_space
file_url = self.GetFileURLForPath(file_path)
downloaded_pkg = os.path.join(self.GetDownloadDirectory().value(),
os.path.basename(file_path))
self._ClearLocalDownloadState(downloaded_pkg)
self.DownloadAndWaitForStart(file_url)
self.PerformActionOnDownload(self._GetDownloadId(), 'cancel')
self._DeleteAfterShutdown(file_path)
state = self.GetDownloadsInfo().Downloads()[0]['state']
if state == 'COMPLETE':
logging.info('The download completed before cancel. Test stopped.')
return
# Verify the download has been cancelled.
self.assertEqual('CANCELLED',
self.GetDownloadsInfo().Downloads()[0]['state'])
self.assertFalse(os.path.exists(downloaded_pkg))
def testBigZip(self):
"""Verify that we can download a 1GB file.
This test needs 2 GB of free space, 1 GB for the original zip file and
another for the downloaded one.
Note: This test increases automation timeout to 4 min. Things might seem
to hang.
"""
# Create a 1 GB file on the fly
file_path = self._MakeFile(2**30)
# Ensure there's sufficient space remaining to download file.
free_space = test_utils.GetFreeSpace(
self.GetDownloadDirectory().value())
assert free_space >= 2**30, \
'Not enough disk space to download. Got %d free' % free_space
file_url = self.GetFileURLForPath(file_path)
downloaded_pkg = os.path.join(self.GetDownloadDirectory().value(),
os.path.basename(file_path))
self._ClearLocalDownloadState(downloaded_pkg)
self.DownloadAndWaitForStart(file_url)
self._DeleteAfterShutdown(downloaded_pkg)
self.WaitForAllDownloadsToComplete(
timeout=self.large_test_timeout_ms())
# Verify that the file was correctly downloaded
self.assertTrue(os.path.exists(downloaded_pkg),
'Downloaded file %s missing.' % downloaded_pkg)
self.assertTrue(
self._EqualFileContents(file_path, downloaded_pkg),
'Downloaded file %s does not match original' % downloaded_pkg)
def testPauseAndResume(self):
"""Verify that pause and resume work while downloading a file.
Note: This test increases automation timeout to 2 min. Things might seem
to hang.
"""
# Create a 250 MB file on the fly
file_path = self._MakeFile(2**28)
# Ensure there's sufficient space remaining to download file.
free_space = test_utils.GetFreeSpace(
self.GetDownloadDirectory().value())
assert free_space >= 2**28, \
'Not enough disk space to download. Got %d free' % free_space
file_url = self.GetFileURLForPath(file_path)
downloaded_pkg = os.path.join(self.GetDownloadDirectory().value(),
os.path.basename(file_path))
self._ClearLocalDownloadState(downloaded_pkg)
self.DownloadAndWaitForStart(file_url)
self._DeleteAfterShutdown(downloaded_pkg)
self._DeleteAfterShutdown(file_path)
# Pause the download and assert that it is paused.
pause_dict = self.PerformActionOnDownload(self._GetDownloadId(),
'toggle_pause')
if pause_dict['state'] == 'COMPLETE':
logging.info('The download completed before pause. Stopping test.')
return
self.assertTrue(pause_dict['is_paused'])
self.assertTrue(pause_dict['state'] == 'IN_PROGRESS')
# Resume the download and assert it is not paused.
resume_dict = self.PerformActionOnDownload(self._GetDownloadId(),
'toggle_pause')
self.assertFalse(resume_dict['is_paused'])
self.WaitForAllDownloadsToComplete(
timeout=self.large_test_timeout_ms())
# Verify that the file was correctly downloaded after pause and resume.
self.assertTrue(os.path.exists(downloaded_pkg),
'Downloaded file %s missing.' % downloaded_pkg)
self.assertTrue(
self._EqualFileContents(file_path, downloaded_pkg),
'Downloaded file %s does not match original' % downloaded_pkg)