Example #1
0
def test_scan_upload_with_retrying(fixture_problems_with_storage: Any, prepare_environment: Any,
                                   synchronous_celery: Any) -> None:
    """Test application for Scan upload with retrying."""
    api_client = get_api_client()
    user_token = get_token_for_logged_in_user('admin')

    # Step 1. Prepare a structure for the test
    DatasetsRepository.add_new_dataset('KIDNEYS', 'Kidneys')

    # Step 2. Add Scan to the system
    payload = {'dataset': 'KIDNEYS', 'number_of_slices': 3}
    response = api_client.post('/api/v1/scans', data=json.dumps(payload),
                               headers=get_headers(token=user_token, json=True))
    json_response = json.loads(response.data)
    scan_id = json_response['scan_id']

    # Step 3. Send Slices
    for file in glob.glob('tests/assets/example_scan/*.dcm'):
        with open(file, 'rb') as image:
            # First request to the API will fail with unknown error due to Storage issues
            fixture_problems_with_storage.side_effect = WriteTimeout('Internal Storage Error', write_type=0)
            response = api_client.post('/api/v1/scans/{}/slices'.format(scan_id), data={
                'image': (image, 'slice_1.dcm'),
            }, headers=get_headers(token=user_token, multipart=True))
            assert response.status_code == 500

            # After such error, UI will retry the request (this time it will be fine...)
            # As request will close the image file, we've got to open it again
            with open(file, 'rb') as image:
                fixture_problems_with_storage.side_effect = None
                response = api_client.post('/api/v1/scans/{}/slices'.format(scan_id), data={
                    'image': (image, 'slice_1.dcm'),
                }, headers=get_headers(token=user_token, multipart=True))
                assert response.status_code == 201

    # Step 4. Check number of Slices in the databases
    z_slices = SlicesRepository.get_slices_by_scan_id(scan_id)
    assert len(z_slices) == 3
Example #2
0
 def to_exception(self):
     return WriteTimeout(self.summary_msg(), **self.info)