HARMONY-1929: Test that POST body matches opendap query

Author: vinnyinverso

harmony/harmony.py

@@ -1302,6 +1302,7 @@ def _download_file(self, url: str, directory: str = '', overwrite: bool = False)
         chunksize = int(self.config.DOWNLOAD_CHUNK_SIZE)
         session = self._session()
         filename = self.get_download_filename_from_url(url)
+        new_url = url
 
         if directory:
             filename = os.path.join(directory, filename)
@@ -1317,12 +1318,12 @@ def _download_file(self, url: str, directory: str = '', overwrite: bool = False)
             is_opendap = parse_result.netloc.startswith('opendap')
             method = 'post' if is_opendap else 'get'
             if is_opendap: # remove the query params from the URL and convert to dict
-                url = parse.urlunparse(parse_result._replace(query=""))
+                new_url = parse.urlunparse(parse_result._replace(query=""))
                 data_dict = dict(parse.parse_qsl(parse.urlsplit(url).query))
             headers = {
                 "Accept-Encoding": "identity"
             }
-            with getattr(session, method)(url, data=data_dict, stream=True, headers=headers) as r:
+            with getattr(session, method)(new_url, data=data_dict, stream=True, headers=headers) as r:
                 with open(filename, 'wb') as f:
                     shutil.copyfileobj(r.raw, f, length=chunksize)
             if verbose and verbose.upper() == 'TRUE':

tests/test_client.py

@@ -1019,16 +1019,16 @@ def test_download_opendap_file():
         file_obj.write(expected_data)
         file_obj.seek(0)
         with responses.RequestsMock() as resp_mock:
-            resp_mock.add(responses.POST, path + expected_filename, body=file_obj.read(), stream=True)
+            resp_mock.add(responses.POST, path + expected_filename, body=file_obj.read(), stream=True,
+                match=[responses.matchers.urlencoded_params_matcher({"dap4.ce": "/ds_surf_type[0:1:4]"})])
             client = Client(should_validate_auth=False)
             actual_output = client._download_file(url, overwrite=False)
 
-    # TODO assert POST body params are as expected
-    
     assert actual_output == expected_filename
     with open(expected_filename, 'rb') as temp_file:
         data = temp_file.read()
         assert data == expected_data
+
     os.unlink(actual_output)
 
 def test_download_all(mocker):