MAINT: Remove unittest.TestCase from testing

pandas/tests/frame/test_validate.py

@@ -1,10 +1,10 @@
-from unittest import TestCase
 from pandas.core.frame import DataFrame
 
+import pandas.util.testing as tm
 import pytest
 
 
-class TestDataFrameValidate(TestCase):
+class TestDataFrameValidate(tm.TestCase):
     """Tests for error handling related to data types of method arguments."""
     df = DataFrame({'a': [1, 2], 'b': [3, 4]})
 

pandas/tests/io/json/test_ujson.py

@@ -1,7 +1,5 @@
 # -*- coding: utf-8 -*-
 
-from unittest import TestCase
-
 try:
     import json
 except ImportError:
@@ -27,7 +25,7 @@
                 else partial(json.dumps, encoding="utf-8"))
 
 
-class UltraJSONTests(TestCase):
+class UltraJSONTests(tm.TestCase):
 
     @pytest.mark.skipif(compat.is_platform_32bit(),
                         reason="not compliant on 32-bit, xref #15865")
@@ -948,7 +946,7 @@ def my_obj_handler(obj):
                 ujson.decode(ujson.encode(l, default_handler=str)))
 
 
-class NumpyJSONTests(TestCase):
+class NumpyJSONTests(tm.TestCase):
 
     def testBool(self):
         b = np.bool(True)
@@ -1224,7 +1222,7 @@ def testArrayNumpyLabelled(self):
         assert (np.array(['a', 'b']) == output[2]).all()
 
 
-class PandasJSONTests(TestCase):
+class PandasJSONTests(tm.TestCase):
 
     def testDataFrame(self):
         df = DataFrame([[1, 2, 3], [4, 5, 6]], index=[

pandas/tests/io/test_sql.py

@@ -20,7 +20,6 @@
 from __future__ import print_function
 from warnings import catch_warnings
 import pytest
-import unittest
 import sqlite3
 import csv
 import os
@@ -819,7 +818,7 @@ def test_unicode_column_name(self):
 
 
 @pytest.mark.single
-class TestSQLApi(SQLAlchemyMixIn, _TestSQLApi, unittest.TestCase):
+class TestSQLApi(SQLAlchemyMixIn, _TestSQLApi, tm.TestCase):
     """
     Test the public API as it would be used directly
 
@@ -999,12 +998,12 @@ def teardown_method(self, method):
 
 
 @pytest.mark.single
-class TestSQLApiConn(_EngineToConnMixin, TestSQLApi, unittest.TestCase):
+class TestSQLApiConn(_EngineToConnMixin, TestSQLApi, tm.TestCase):
     pass
 
 
 @pytest.mark.single
-class TestSQLiteFallbackApi(SQLiteMixIn, _TestSQLApi, unittest.TestCase):
+class TestSQLiteFallbackApi(SQLiteMixIn, _TestSQLApi, tm.TestCase):
     """
     Test the public sqlite connection fallback API
 
@@ -1822,45 +1821,45 @@ def test_schema_support(self):
 
 
 @pytest.mark.single
-class TestMySQLAlchemy(_TestMySQLAlchemy, _TestSQLAlchemy, unittest.TestCase):
+class TestMySQLAlchemy(_TestMySQLAlchemy, _TestSQLAlchemy, tm.TestCase):
     pass
 
 
 @pytest.mark.single
 class TestMySQLAlchemyConn(_TestMySQLAlchemy, _TestSQLAlchemyConn,
-                           unittest.TestCase):
+                           tm.TestCase):
     pass
 
 
 @pytest.mark.single
 class TestPostgreSQLAlchemy(_TestPostgreSQLAlchemy, _TestSQLAlchemy,
-                            unittest.TestCase):
+                            tm.TestCase):
     pass
 
 
 @pytest.mark.single
 class TestPostgreSQLAlchemyConn(_TestPostgreSQLAlchemy, _TestSQLAlchemyConn,
-                                unittest.TestCase):
+                                tm.TestCase):
     pass
 
 
 @pytest.mark.single
 class TestSQLiteAlchemy(_TestSQLiteAlchemy, _TestSQLAlchemy,
-                        unittest.TestCase):
+                        tm.TestCase):
     pass
 
 
 @pytest.mark.single
 class TestSQLiteAlchemyConn(_TestSQLiteAlchemy, _TestSQLAlchemyConn,
-                            unittest.TestCase):
+                            tm.TestCase):
     pass
 
 
 # -----------------------------------------------------------------------------
 # -- Test Sqlite / MySQL fallback
 
 @pytest.mark.single
-class TestSQLiteFallback(SQLiteMixIn, PandasSQLTest, unittest.TestCase):
+class TestSQLiteFallback(SQLiteMixIn, PandasSQLTest, tm.TestCase):
     """
     Test the fallback mode against an in-memory sqlite database.
 

pandas/tests/sparse/test_list.py

@@ -1,5 +1,4 @@
 from pandas.compat import range
-import unittest
 
 from numpy import nan
 import numpy as np
@@ -8,7 +7,7 @@
 import pandas.util.testing as tm
 
 
-class TestSparseList(unittest.TestCase):
+class TestSparseList(tm.TestCase):
 
     def setup_method(self, method):
         self.na_data = np.array([nan, nan, 1, 2, 3, nan, 4, 5, nan, 6])

pandas/tests/test_config.py

@@ -1,12 +1,13 @@
 # -*- coding: utf-8 -*-
 import pytest
 
+import pandas.util.testing as tm
 import pandas as pd
-import unittest
+
 import warnings
 
 
-class TestConfig(unittest.TestCase):
+class TestConfig(tm.TestCase):
 
     def __init__(self, *args):
         super(TestConfig, self).__init__(*args)

pandas/tests/test_testing.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 import pandas as pd
-import unittest
 import pytest
 import numpy as np
 import sys
@@ -340,7 +339,7 @@ def test_assert_almost_equal_iterable_message(self):
             assert_almost_equal([1, 2], [1, 3])
 
 
-class TestAssertIndexEqual(unittest.TestCase):
+class TestAssertIndexEqual(tm.TestCase):
 
     def test_index_equal_message(self):
 
@@ -680,7 +679,7 @@ def test_frame_equal_message(self):
                                by_blocks=True)
 
 
-class TestAssertCategoricalEqual(unittest.TestCase):
+class TestAssertCategoricalEqual(tm.TestCase):
 
     def test_categorical_equal_message(self):
 
@@ -718,7 +717,7 @@ def test_categorical_equal_message(self):
             tm.assert_categorical_equal(a, b)
 
 
-class TestRNGContext(unittest.TestCase):
+class TestRNGContext(tm.TestCase):
 
     def test_RNGContext(self):
         expected0 = 1.764052345967664

pandas/tests/test_window.py

@@ -559,11 +559,11 @@ def test_deprecations(self):
             mom.rolling_mean(Series(np.ones(10)), 3, center=True, axis=0)
 
 
-# GH #12373 : rolling functions error on float32 data
+# gh-12373 : rolling functions error on float32 data
 # make sure rolling functions works for different dtypes
 #
 # NOTE that these are yielded tests and so _create_data is
-# explicity called, nor do these inherit from unittest.TestCase
+# explicity called, nor do these inherit from tm.TestCase
 #
 # further note that we are only checking rolling for fully dtype
 # compliance (though both expanding and ewm inherit)