Don't strip whitespace from Text. Closes #654.

CHANGELOG.rst

@@ -1,7 +1,8 @@
 1.5.5
 -----
 
-* Fixed :code:`'NoneType' object has no attribute 'groupdict'` in :meth:`.TimeDelta.cast`. (#656)
+* :meth:`.Text.cast` will no longer strip leading or trailing whitespace. (#654)
+* Fixed :code:`'NoneType' object has no attribute 'groupdict'` error in :meth:`.TimeDelta.cast`. (#656)
 
 1.5.4 - December 27, 2016
 -------------------------

agate/data_types/text.py

@@ -30,9 +30,7 @@ def cast(self, d):
         if d is None:
             return d
         elif isinstance(d, six.string_types):
-            d = d.strip()
-
-            if self.cast_nulls and d.lower() in self.null_values:
+            if self.cast_nulls and d.strip().lower() in self.null_values:
                 return None
 
         return six.text_type(d)

tests/test_data_types.py

@@ -43,9 +43,9 @@ def test_test(self):
         self.assertEqual(self.type.test(u'👍'), True)
 
     def test_cast(self):
-        values = ('a', 1, None, Decimal('2.7'), 'n/a', u'👍')
+        values = ('a', 1, None, Decimal('2.7'), 'n/a', u'👍', ' foo', 'foo ')
         casted = tuple(self.type.cast(v) for v in values)
-        self.assertSequenceEqual(casted, ('a', '1', None, '2.7', None, u'👍'))
+        self.assertSequenceEqual(casted, ('a', '1', None, '2.7', None, u'👍', ' foo', 'foo '))
 
     def test_no_cast_nulls(self):
         values = ('', 'N/A', None)