Tests for previous commit

Author: toobaz

pandas/io/tests/test_pytables.py

@@ -1372,6 +1372,22 @@ def check_col(key, name, size):
                          min_itemsize={'index': 4})
             tm.assert_series_equal(store.select('ss2'), df['B'])
 
+            # min_itemsize in index of DataFrame.to_hdf() (GH 10381)
+            df.to_hdf(store.filename, 'ss3', format='table',
+                      min_itemsize={'index': 6})
+            # just make sure there is a longer string:
+            df2 = df.copy().reset_index().assign(C='longer').set_index('C')
+            df2.to_hdf(store.filename, 'ss3', append=True)
+            tm.assert_frame_equal(store.select('ss3'),
+                                  pd.concat([df, df2]))
+
+            # same as above, with a Series
+            df['B'].to_hdf(store.filename, 'ss4', format='table',
+                           min_itemsize={'index': 6})
+            df2['B'].to_hdf(store.filename, 'ss4', append=True)
+            tm.assert_series_equal(store.select('ss4'),
+                                   pd.concat([df['B'], df2['B']]))
+
             # with nans
             _maybe_remove(store, 'df')
             df = tm.makeTimeDataFrame()