fix(tests): new code for tests;

- Align test with new strip code.
- Write headers to stream for `load_csv`.

ckanext/xloader/loader.py

@@ -174,6 +174,7 @@ def load_csv(csv_filepath, resource_id, mimetype='text/csv', logger=None):
         try:
             with UnknownEncodingStream(csv_filepath, file_format, decoding_result,
                                        skip_rows=skip_rows) as stream:
+                stream.save(**save_args)  # have to save headers
                 for row in stream:
                     for _index, _cell in enumerate(row):
                         if isinstance(_cell, str):
@@ -184,6 +185,7 @@ def load_csv(csv_filepath, resource_id, mimetype='text/csv', logger=None):
         except (EncodingError, UnicodeDecodeError):
             with Stream(csv_filepath, format=file_format, encoding=SINGLE_BYTE_ENCODING,
                         skip_rows=skip_rows) as stream:
+                stream.save(**save_args)  # have to save headers
                 for row in stream:
                     for _index, _cell in enumerate(row):
                         if isinstance(_cell, str):

ckanext/xloader/tests/test_loader.py

@@ -1049,7 +1049,7 @@ def test_boston_311(self, Session):
                 u"",
                 u"ONTIME",
                 u"Open",
-                u" ",
+                u"",  # " " transforms to ""
                 u"Street Light Outages",
                 u"Public Works Department",
                 u"Street Lights",
@@ -1081,14 +1081,14 @@ def test_boston_311(self, Session):
                 u"",
                 u"ONTIME",
                 u"Open",
-                u" ",
+                u"",  # " " transforms to ""
                 u"Graffiti Removal",
                 u"Property Management",
                 u"Graffiti",
                 u"Graffiti Removal",
                 u"PROP_GRAF_GraffitiRemoval",
                 u"PROP",
-                u" https://mayors24.cityofboston.gov/media/boston/report/photos/595f0000048560f46d94b9fa/report.jpg",
+                u"https://mayors24.cityofboston.gov/media/boston/report/photos/595f0000048560f46d94b9fa/report.jpg",   # strip white spaces
                 u"",
                 u"522 Saratoga St  East Boston  MA  02128",
                 Decimal("1"),
@@ -1113,14 +1113,14 @@ def test_boston_311(self, Session):
                 u"",
                 u"ONTIME",
                 u"Open",
-                u" ",
+                u"",  # " " transforms to ""
                 u"Graffiti Removal",
                 u"Property Management",
                 u"Graffiti",
                 u"Graffiti Removal",
                 u"PROP_GRAF_GraffitiRemoval",
                 u"PROP",
-                u" https://mayors24.cityofboston.gov/media/boston/report/photos/595efedb048560f46d94b9ef/report.jpg",
+                u"https://mayors24.cityofboston.gov/media/boston/report/photos/595efedb048560f46d94b9ef/report.jpg",  # strip white spaces
                 u"",
                 u"965 Bennington St  East Boston  MA  02128",
                 Decimal("1"),