def test_download_successful(self, fire_download_succeeded, fire_download_failed,
_clear_easy_handle_download):
"""
Assert correct behavior for a successful download.
"""
config = DownloaderConfig(max_concurrent=1)
curl_downloader = HTTPCurlDownloader(config)
multi_handle = curl_downloader._build_multi_handle()
easy_handle = multi_handle.handles[0]
easy_handle.report = DownloadReport('http://fake.com/doesntmatter.html', '/dev/null')
multi_handle._curls = [easy_handle]
free_handles = []
start_time = datetime.now()
curl_downloader._process_completed_download(easy_handle, multi_handle, free_handles)
# The easy_handle should have been removed from the multi_handle
multi_handle.remove_handle.assert_called_once_with(easy_handle)
# _clear_easy_handle_download should have been handed the easy_handle
_clear_easy_handle_download.assert_called_once_wth(easy_handle)
# The free_handles list should have the easy_handle
self.assertEqual(free_handles, [easy_handle])
# fire_download_failed should not have been called
self.assertEqual(fire_download_failed.call_count, 0)
# fire_download_succeeded should have been called once with the report. Let's assert that, and assert
# that the report looks good
self.assertEqual(fire_download_succeeded.call_count, 1)
report = fire_download_succeeded.mock_calls[0][1][0]
self.assertTrue(isinstance(report, DownloadReport))
self.assertTrue(report.state, DOWNLOAD_SUCCEEDED)
# It's difficult to know what the finish_time on the report will be exactly, so we'll just assert that
# it's after the start_time we recorded earlier
self.assertTrue(report.finish_time > start_time)
def test_pycurl_errors(self, fire_download_succeeded, fire_download_failed, _clear_easy_handle_download):
"""
Assert correct behavior when error is not None.
"""
config = DownloaderConfig(max_concurrent=1)
curl_downloader = HTTPCurlDownloader(config)
multi_handle = curl_downloader._build_multi_handle()
easy_handle = multi_handle.handles[0]
easy_handle.report = DownloadReport('http://fake.com/doesntmatter.html', '/dev/null')
multi_handle._curls = [easy_handle]
def return_code(ignored_param):
"""
This function will allow us to fake the response code when pycurl didn't reach the server, which
will be 0.
"""
return 0
easy_handle.getinfo = return_code
free_handles = []
start_time = datetime.now()
curl_downloader._process_completed_download(
easy_handle, multi_handle, free_handles,
{'code': pycurl.E_COULDNT_CONNECT, 'message': "Couldn't Connect"})
# The easy_handle should have been removed from the multi_handle
multi_handle.remove_handle.assert_called_once_with(easy_handle)
# _clear_easy_handle_download should have been handed the easy_handle
_clear_easy_handle_download.assert_called_once_wth(easy_handle)
# The free_handles list should have the easy_handle
self.assertEqual(free_handles, [easy_handle])
# fire_download_succeeded should not have been called
self.assertEqual(fire_download_succeeded.call_count, 0)
# fire_download_failed should have been called once with the report. Let's assert that, and assert
# that the report looks good
self.assertEqual(fire_download_failed.call_count, 1)
report = fire_download_failed.mock_calls[0][1][0]
self.assertTrue(isinstance(report, DownloadReport))
self.assertTrue(report.state, DOWNLOAD_FAILED)
self.assertEqual(report.error_report['response_code'], 0)
self.assertEqual(report.error_report['error_code'], pycurl.E_COULDNT_CONNECT)
self.assertEqual(report.error_report['error_message'], "Couldn't Connect")
# It's difficult to know what the finish_time on the report will be exactly, so we'll just assert that
# it's after the start_time we recorded earlier
self.assertTrue(report.finish_time > start_time)