Added lost tests, renamed funcs

Author: WillAyd

pandas/tests/frame/test_indexing.py

@@ -3079,7 +3079,7 @@ def test_transpose(self):
         assert_frame_equal(result, expected)
 
 
-class DataFrameIndexingCategorical(object):
+class TestDataFrameIndexingCategorical(object):
 
     def test_assignment(self):
         # assignment

pandas/tests/frame/test_repr_info.py

@@ -10,7 +10,7 @@
 import numpy as np
 import pytest
 
-from pandas import (DataFrame, compat, option_context)
+from pandas import (DataFrame, Series, compat, option_context)
 from pandas.compat import StringIO, lrange, u, PYPY
 import pandas.io.formats.format as fmt
 import pandas as pd
@@ -471,3 +471,18 @@ def test_info_categorical(self):
 
         buf = StringIO()
         df.info(buf=buf)
+
+    def test_info_categorical_column(self):
+
+        # make sure it works
+        n = 2500
+        df = DataFrame({'int64': np.random.randint(100, size=n)})
+        df['category'] = Series(np.array(list('abcdefghij')).take(
+            np.random.randint(0, 10, size=n))).astype('category')
+        df.isna()
+        buf = StringIO()
+        df.info(buf=buf)
+
+        df2 = df[df['category'] == 'd']
+        buf = compat.StringIO()
+        df2.info(buf=buf)

pandas/tests/indexing/test_categorical.py

@@ -87,7 +87,7 @@ def test_slicing_directly(self):
         tm.assert_numpy_array_equal(sliced._codes, expected._codes)
         tm.assert_index_equal(sliced.categories, expected.categories)
 
-    def test_block_slicing(self):
+    def test_slicing(self):
         cat = Series(Categorical([1, 2, 3, 4]))
         reversed = cat[::-1]
         exp = np.array([4, 3, 2, 1], dtype=np.int64)
@@ -110,7 +110,7 @@ def test_block_slicing(self):
         result = df.loc[8]
         tm.assert_series_equal(result, expected)
 
-    def test_block_slicing_and_getting_ops(self):
+    def test_slicing_and_getting_ops(self):
 
         # systematically test the slicing operations:
         #  for all slicing ops:
@@ -249,7 +249,7 @@ def test_block_slicing_and_getting_ops(self):
         tm.assert_frame_equal(res_df, df)
         assert is_categorical_dtype(res_df["cats"])
 
-    def test_block_slicing_doc_examples(self):
+    def test_slicing_doc_examples(self):
 
         # GH 7918
         cats = Categorical(["a", "b", "b", "b", "c", "c", "c"],