Merge pull request #46 from k7sleeper/feature-v3

Make to_string() convert None to empty string. Make capitalize() use to_string().

pydash/objects.py

@@ -792,7 +792,13 @@ def to_string(obj):
 
     .. versionadded:: 2.0.0
     """
-    return text_type(obj) if not pyd.is_string(obj) else obj
+    if pyd.is_string(obj):
+        res = obj
+    elif obj is None:
+        res = ''
+    else:
+        res = text_type(obj)
+    return res
 
 
 def transform(obj, callback=None, accumulator=None):

pydash/strings.py

@@ -198,6 +198,7 @@ def capitalize(text, lower_rest=True):
     .. versionchanged:: 3.0.0
         Added `lower_rest` option.
     """
+    text = pyd.to_string(text)
     return (text.capitalize() if lower_rest
             else text[:1].upper() + text[1:])
 

tests/test_objects.py

@@ -1,11 +1,16 @@
 # -*- coding: utf-8 -*-
 
+import datetime as dt
+
 import pydash as _
 
 from . import fixtures
 from .fixtures import parametrize
 
 
+today = dt.date.today()
+
+
 @parametrize('case,expected', [
     (({'name': 'fred'}, {'employer': 'slate'}),
      {'name': 'fred', 'employer': 'slate'}),
@@ -498,6 +503,9 @@ def test_to_number(case, expected):
     (True, 'True'),
     ([1], '[1]'),
     ('d\xc3\xa9j\xc3\xa0 vu', 'd\xc3\xa9j\xc3\xa0 vu'),
+    ('', ''),
+    (None, ''),
+    (today, str(today)),
 ])
 def test_to_string(case, expected):
     assert _.to_string(case) == expected

tests/test_strings.py

@@ -14,7 +14,9 @@
     ('foo-_bar-_-baz', 'fooBarBaz'),
     ('foo!bar,baz', 'fooBarBaz'),
     ('--foo.bar;baz', 'fooBarBaz'),
+    (8, '8'),
     ('', ''),
+    (None, ''),
 ])
 def test_camel_case(case, expected):
     assert _.camel_case(case) == expected
@@ -29,6 +31,10 @@ def test_camel_case(case, expected):
     (('foo bar', False), 'Foo bar'),
     (('fOO bar', False), 'FOO bar'),
     (('foo Bar', False), 'Foo Bar'),
+    ((8,), '8'),
+    ((' ',), ' '),
+    (('',), ''),
+    ((None,), ''),
 ])
 def test_capitalize(case, expected):
     assert _.capitalize(*case) == expected