pandas-dev · TomAugspurger · Jan 3, 2020 · Jan 2, 2020 · Jan 2, 2020 · Jan 2, 2020
diff --git a/asv_bench/benchmarks/categoricals.py b/asv_bench/benchmarks/categoricals.py
@@ -3,7 +3,7 @@
 import numpy as np
 
 import pandas as pd
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 try:
     from pandas.api.types import union_categoricals

diff --git a/asv_bench/benchmarks/ctors.py b/asv_bench/benchmarks/ctors.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 from pandas import DatetimeIndex, Index, MultiIndex, Series, Timestamp
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 
 def no_change(arr):

diff --git a/asv_bench/benchmarks/frame_ctor.py b/asv_bench/benchmarks/frame_ctor.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 from pandas import DataFrame, MultiIndex, Series, Timestamp, date_range
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 try:
     from pandas.tseries.offsets import Nano, Hour

diff --git a/asv_bench/benchmarks/frame_methods.py b/asv_bench/benchmarks/frame_methods.py
@@ -4,7 +4,7 @@
 import numpy as np
 
 from pandas import DataFrame, MultiIndex, NaT, Series, date_range, isnull, period_range
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 
 class GetNumericData:

diff --git a/asv_bench/benchmarks/gil.py b/asv_bench/benchmarks/gil.py
@@ -1,8 +1,8 @@
 import numpy as np
 
 from pandas import DataFrame, Series, date_range, factorize, read_csv
+import pandas._testing as tm
 from pandas.core.algorithms import take_1d
-import pandas.util.testing as tm
 
 try:
     from pandas import (
@@ -24,7 +24,7 @@
 except ImportError:
     from pandas import algos
 try:
-    from pandas.util.testing import test_parallel
+    from pandas._testing import test_parallel
 
     have_real_test_parallel = True
 except ImportError:

diff --git a/asv_bench/benchmarks/groupby.py b/asv_bench/benchmarks/groupby.py
@@ -13,7 +13,7 @@
     date_range,
     period_range,
 )
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 method_blacklist = {
     "object": {

diff --git a/asv_bench/benchmarks/index_object.py b/asv_bench/benchmarks/index_object.py
@@ -12,7 +12,7 @@
     Series,
     date_range,
 )
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 
 class SetOperations:

diff --git a/asv_bench/benchmarks/indexing.py b/asv_bench/benchmarks/indexing.py
@@ -17,7 +17,7 @@
     option_context,
     period_range,
 )
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 
 class NumericSeriesIndexing:

diff --git a/asv_bench/benchmarks/inference.py b/asv_bench/benchmarks/inference.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 from pandas import DataFrame, Series, to_numeric
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 from .pandas_vb_common import lib, numeric_dtypes
 

diff --git a/asv_bench/benchmarks/io/csv.py b/asv_bench/benchmarks/io/csv.py
@@ -5,7 +5,7 @@
 import numpy as np
 
 from pandas import Categorical, DataFrame, date_range, read_csv, to_datetime
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 from ..pandas_vb_common import BaseIO
 

diff --git a/asv_bench/benchmarks/io/excel.py b/asv_bench/benchmarks/io/excel.py
@@ -6,7 +6,7 @@
 from odf.text import P
 
 from pandas import DataFrame, ExcelWriter, date_range, read_excel
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 
 def _generate_dataframe():

diff --git a/asv_bench/benchmarks/io/hdf.py b/asv_bench/benchmarks/io/hdf.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 from pandas import DataFrame, HDFStore, date_range, read_hdf
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 from ..pandas_vb_common import BaseIO
 

diff --git a/asv_bench/benchmarks/io/json.py b/asv_bench/benchmarks/io/json.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 from pandas import DataFrame, concat, date_range, read_json, timedelta_range
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 from ..pandas_vb_common import BaseIO
 

diff --git a/asv_bench/benchmarks/io/pickle.py b/asv_bench/benchmarks/io/pickle.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 from pandas import DataFrame, date_range, read_pickle
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 from ..pandas_vb_common import BaseIO
 

diff --git a/asv_bench/benchmarks/io/sql.py b/asv_bench/benchmarks/io/sql.py
@@ -4,7 +4,7 @@
 from sqlalchemy import create_engine
 
 from pandas import DataFrame, date_range, read_sql_query, read_sql_table
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 
 class SQL:

diff --git a/asv_bench/benchmarks/io/stata.py b/asv_bench/benchmarks/io/stata.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 from pandas import DataFrame, date_range, read_stata
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 from ..pandas_vb_common import BaseIO
 

diff --git a/asv_bench/benchmarks/join_merge.py b/asv_bench/benchmarks/join_merge.py
@@ -3,7 +3,7 @@
 import numpy as np
 
 from pandas import DataFrame, MultiIndex, Series, concat, date_range, merge, merge_asof
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 try:
     from pandas import merge_ordered

diff --git a/asv_bench/benchmarks/multiindex_object.py b/asv_bench/benchmarks/multiindex_object.py
@@ -3,7 +3,7 @@
 import numpy as np
 
 from pandas import DataFrame, MultiIndex, RangeIndex, date_range
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 
 class GetLoc:

diff --git a/asv_bench/benchmarks/reindex.py b/asv_bench/benchmarks/reindex.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 from pandas import DataFrame, Index, MultiIndex, Series, date_range, period_range
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 from .pandas_vb_common import lib
 

diff --git a/asv_bench/benchmarks/series_methods.py b/asv_bench/benchmarks/series_methods.py
@@ -3,7 +3,7 @@
 import numpy as np
 
 from pandas import NaT, Series, date_range
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 
 class SeriesConstructor:

diff --git a/asv_bench/benchmarks/strings.py b/asv_bench/benchmarks/strings.py
@@ -3,7 +3,7 @@
 import numpy as np
 
 from pandas import DataFrame, Series
-import pandas.util.testing as tm
+import pandas._testing as tm
 
 
 class Methods:

diff --git a/ci/code_checks.sh b/ci/code_checks.sh
@@ -139,8 +139,8 @@ if [[ -z "$CHECK" || "$CHECK" == "patterns" ]]; then
     RET=$(($RET + $?)) ; echo $MSG "DONE"
 
     # Checks for test suite
-    # Check for imports from pandas.util.testing instead of `import pandas.util.testing as tm`
-    invgrep -R --include="*.py*" -E "from pandas.util.testing import" pandas/tests
+    # Check for imports from pandas._testing instead of `import pandas._testing as tm`
+    invgrep -R --include="*.py*" -E "from pandas._testing import" pandas/tests
     RET=$(($RET + $?)) ; echo $MSG "DONE"
     invgrep -R --include="*.py*" -E "from pandas.util import testing as tm" pandas/tests
     RET=$(($RET + $?)) ; echo $MSG "DONE"

diff --git a/doc/source/development/contributing.rst b/doc/source/development/contributing.rst
@@ -957,7 +957,7 @@ inspiration.  If your test requires working with files or
 network connectivity, there is more information on the `testing page
 <https://github.com/pandas-dev/pandas/wiki/Testing>`_ of the wiki.
 
-The ``pandas.util.testing`` module has many special ``assert`` functions that
+The ``pandas._testing`` module has many special ``assert`` functions that
 make it easier to make statements about whether Series or DataFrame objects are
 equivalent. The easiest way to verify that your code is correct is to
 explicitly construct the result you expect, then compare the actual result to
@@ -1143,7 +1143,7 @@ If your change involves checking that a warning is actually emitted, use
 
 .. code-block:: python
 
-   import pandas.util.testing as tm
+   import pandas._testing as tm
 
 
    df = pd.DataFrame()

diff --git a/doc/source/reference/general_utility_functions.rst b/doc/source/reference/general_utility_functions.rst
@@ -18,6 +18,8 @@ Working with options
    set_option
    option_context
 
+.. _api.general.testing:
+
 Testing functions
 -----------------
 .. autosummary::
@@ -26,6 +28,16 @@ Testing functions
    testing.assert_frame_equal
    testing.assert_series_equal
    testing.assert_index_equal
+   testing.assert_equal
+   testing.assert_almost_equal
+   testing.assert_categorical_equal
+   testing.assert_datetime_array_equal
+   testing.assert_extension_array_equal
+   testing.assert_interval_array_equal
+   testing.assert_numpy_array_equal
+   testing.assert_period_array_equal
+   testing.assert_sp_array_equal
+   testing.assert_timedelta_array_equal
 
 Exceptions and warnings
 -----------------------

diff --git a/doc/source/user_guide/io.rst b/doc/source/user_guide/io.rst
@@ -1519,7 +1519,7 @@ rows will skip the intervening rows.
 
 .. ipython:: python
 
-   from pandas.util.testing import makeCustomDataframe as mkdf
+   from pandas._testing import makeCustomDataframe as mkdf
    df = mkdf(5, 3, r_idx_nlevels=2, c_idx_nlevels=4)
    df.to_csv('mi.csv')
    print(open('mi.csv').read())

diff --git a/doc/source/user_guide/reshaping.rst b/doc/source/user_guide/reshaping.rst
@@ -14,7 +14,7 @@ Reshaping by pivoting DataFrame objects
 .. ipython:: python
    :suppress:
 
-   import pandas.util.testing as tm
+   import pandas._testing as tm
    tm.N = 3
 
    def unpivot(frame):
@@ -38,7 +38,7 @@ For the curious here is how the above ``DataFrame`` was created:
 
 .. code-block:: python
 
-   import pandas.util.testing as tm
+   import pandas._testing as tm
 
    tm.N = 3
 

diff --git a/doc/source/user_guide/scale.rst b/doc/source/user_guide/scale.rst
@@ -26,7 +26,7 @@ Assuming you want or need the expressiveness and power of pandas, let's carry on
 .. ipython:: python
    :suppress:
 
-   from pandas.util.testing import _make_timeseries
+   from pandas._testing import _make_timeseries
 
    # Make a random in-memory dataset
    ts = _make_timeseries(freq="30S", seed=0)

diff --git a/doc/source/whatsnew/v0.12.0.rst b/doc/source/whatsnew/v0.12.0.rst
@@ -236,7 +236,7 @@ I/O enhancements
 
       .. ipython:: python
 
-         from pandas.util.testing import makeCustomDataframe as mkdf
+         from pandas._testing import makeCustomDataframe as mkdf
          df = mkdf(5, 3, r_idx_nlevels=2, c_idx_nlevels=4)
          df.to_csv('mi.csv')
          print(open('mi.csv').read())

diff --git a/doc/source/whatsnew/v0.13.1.rst b/doc/source/whatsnew/v0.13.1.rst
@@ -224,7 +224,7 @@ Enhancements
 
   .. code-block:: ipython
 
-      In [28]: import pandas.util.testing as tm
+      In [28]: import pandas._testing as tm
 
       In [29]: panel = tm.makePanel(5)
 

diff --git a/doc/source/whatsnew/v0.18.0.rst b/doc/source/whatsnew/v0.18.0.rst
@@ -1279,7 +1279,7 @@ Bug Fixes
 
 - Removed ``millisecond`` property of ``DatetimeIndex``. This would always raise a ``ValueError`` (:issue:`12019`).
 - Bug in ``Series`` constructor with read-only data (:issue:`11502`)
-- Removed ``pandas.util.testing.choice()``.  Should use ``np.random.choice()``, instead. (:issue:`12386`)
+- Removed ``pandas._testing.choice()``.  Should use ``np.random.choice()``, instead. (:issue:`12386`)
 - Bug in ``.loc`` setitem indexer preventing the use of a TZ-aware DatetimeIndex (:issue:`12050`)
 - Bug in ``.style`` indexes and MultiIndexes not appearing (:issue:`11655`)
 - Bug in ``to_msgpack`` and ``from_msgpack`` which did not correctly serialize or deserialize ``NaT`` (:issue:`12307`).

diff --git a/doc/source/whatsnew/v0.20.0.rst b/doc/source/whatsnew/v0.20.0.rst
@@ -1360,7 +1360,7 @@ provides a :meth:`~Panel.to_xarray` method to automate this conversion (:issue:`
 
 .. code-block:: ipython
 
-    In [133]: import pandas.util.testing as tm
+    In [133]: import pandas._testing as tm
 
     In [134]: p = tm.makePanel()
 

diff --git a/doc/source/whatsnew/v0.21.0.rst b/doc/source/whatsnew/v0.21.0.rst
@@ -927,7 +927,7 @@ Other API changes
 - :class:`pandas.HDFStore`'s string representation is now faster and less detailed. For the previous behavior, use ``pandas.HDFStore.info()``. (:issue:`16503`).
 - Compression defaults in HDF stores now follow pytables standards. Default is no compression and if ``complib`` is missing and ``complevel`` > 0 ``zlib`` is used (:issue:`15943`)
 - ``Index.get_indexer_non_unique()`` now returns a ndarray indexer rather than an ``Index``; this is consistent with ``Index.get_indexer()`` (:issue:`16819`)
-- Removed the ``@slow`` decorator from ``pandas.util.testing``, which caused issues for some downstream packages' test suites. Use ``@pytest.mark.slow`` instead, which achieves the same thing (:issue:`16850`)
+- Removed the ``@slow`` decorator from ``pandas._testing``, which caused issues for some downstream packages' test suites. Use ``@pytest.mark.slow`` instead, which achieves the same thing (:issue:`16850`)
 - Moved definition of ``MergeError`` to the ``pandas.errors`` module.
 - The signature of :func:`Series.set_axis` and :func:`DataFrame.set_axis` has been changed from ``set_axis(axis, labels)`` to ``set_axis(labels, axis=0)``, for consistency with the rest of the API. The old signature is deprecated and will show a ``FutureWarning`` (:issue:`14636`)
 - :func:`Series.argmin` and :func:`Series.argmax` will now raise a ``TypeError`` when used with ``object`` dtypes, instead of a ``ValueError`` (:issue:`13595`)

diff --git a/doc/source/whatsnew/v0.23.0.rst b/doc/source/whatsnew/v0.23.0.rst
@@ -648,7 +648,7 @@ provides a :meth:`~Panel.to_xarray` method to automate this conversion (:issue:`
 
 .. code-block:: ipython
 
-    In [75]: import pandas.util.testing as tm
+    In [75]: import pandas._testing as tm
 
     In [76]: p = tm.makePanel()
 

diff --git a/doc/source/whatsnew/v1.0.0.rst b/doc/source/whatsnew/v1.0.0.rst
@@ -577,6 +577,7 @@ Deprecations
   it is recommended to use ``json_normalize`` as :func:`pandas.json_normalize` instead (:issue:`27586`).
 - :meth:`DataFrame.to_stata`, :meth:`DataFrame.to_feather`, and :meth:`DataFrame.to_parquet` argument "fname" is deprecated, use "path" instead (:issue:`23574`)
 - The deprecated internal attributes ``_start``, ``_stop`` and ``_step`` of :class:`RangeIndex` now raise a ``FutureWarning`` instead of a ``DeprecationWarning`` (:issue:`26581`)
+- The ``pandas.util.testing`` module has been deprecated. Use the public API in ``pandas.testing`` documented at :ref:`api.general.testing` (:issue:`16232`).
 
 **Selecting Columns from a Grouped DataFrame**
 
@@ -703,7 +704,7 @@ or ``matplotlib.Axes.plot``. See :ref:`plotting.formatters` for more.
 - Ability to read pickles containing :class:`Categorical` instances created with pre-0.16 version of pandas has been removed (:issue:`27538`)
 - Removed :func:`pandas.tseries.plotting.tsplot` (:issue:`18627`)
 - Removed the previously deprecated keywords "reduce" and "broadcast" from :meth:`DataFrame.apply` (:issue:`18577`)
-- Removed the previously deprecated ``assert_raises_regex`` function in ``pandas.util.testing`` (:issue:`29174`)
+- Removed the previously deprecated ``assert_raises_regex`` function in ``pandas._testing`` (:issue:`29174`)
 - Removed the previously deprecated ``FrozenNDArray`` class in ``pandas.core.indexes.frozen`` (:issue:`29335`)
 - Removed the previously deprecated keyword "nthreads" from :func:`read_feather`, use "use_threads" instead (:issue:`23053`)
 - Removed :meth:`Index.is_lexsorted_for_tuple` (:issue:`29305`)