Adding replace unicode with number and replace mixed types with string tests

Author: Carlos Souza

pandas/tests/series/test_replace.py

@@ -227,9 +227,23 @@ def test_replace_with_empty_dictlike(self):
         tm.assert_series_equal(s, s.replace(dict()))
         tm.assert_series_equal(s, s.replace(pd.Series([])))
 
-    def test_replace_string_with_nan(self):
+    def test_replace_string_with_number(self):
         # GH 15743
         s = pd.Series([1, 2, 3])
         result = s.replace('2', np.nan)
         expected = pd.Series([1, 2, 3])
         tm.assert_series_equal(expected, result)
+
+    def test_replace_unicode_with_number(self):
+        # GH 15743
+        s = pd.Series([1, 2, 3])
+        result = s.replace(u'2', np.nan)
+        expected = pd.Series([1, 2, 3])
+        tm.assert_series_equal(expected, result)
+
+    def test_replace_mixed_types_with_string(self):
+        # Testing mixed
+        s = pd.Series([1, 2, 3, '4', 4, 5])
+        result = s.replace([2, '4'], np.nan)
+        expected = pd.Series([1, np.nan, 3, np.nan, 4, 5])
+        tm.assert_series_equal(expected, result)