def test_get_latest_version_connection_error(self, urlopen):
# given
urlopen.side_effect = IOError("oh no!")
# when
download = Downloader.get_latest_version()
# then
self.assertFalse(download)
def test_get_latest_version(self, urlopen):
# given
urlopen.return_value = dummy_update_file()
# when
download = Downloader.get_latest_version()
# then
self.assertEqual("0.4", download.version)
self.assertEqual("whyteboard-0.4.zip", download.executable_filename)
self.assertEqual("5587799", download.executable_size)
self.assertEqual("whyteboard-0.4.tar.gz", download.source_filename)
self.assertEqual("372110", download.source_size)
