TST: raise nose.SkipTest -> pytest.skip

TST: remove KnownFailure (unused), should be replaced by pytest.xfail anyhow TST: remove nose xref #15341

Author: jreback

ci/install_test.sh

@@ -8,7 +8,6 @@ if [ "$INSTALL_TEST" ]; then
  conda uninstall cython || exit 1
  python "$TRAVIS_BUILD_DIR"/setup.py sdist --formats=zip,gztar || exit 1
  pip install "$TRAVIS_BUILD_DIR"/dist/*tar.gz || exit 1
- # nosetests --exe -A "$TEST_ARGS" pandas/tests/test_series.py --with-xunit --xunit-file=/tmp/nosetests_install.xml
  pytest pandas/tests/test_series.py --junitxml=/tmp/pytest_install.xml
 else
  echo "Skipping installation test."

ci/install_travis.sh

@@ -92,7 +92,7 @@ if [ -e ${INSTALL} ]; then
  time bash $INSTALL || exit 1
 else
  # create new env
- time conda create -n pandas python=$PYTHON_VERSION nose pytest || exit 1
+ time conda create -n pandas python=$PYTHON_VERSION pytest || exit 1
 
  if [ "$LINT" ]; then
  conda install flake8

ci/lint.sh

@@ -55,7 +55,7 @@ if [ "$LINT" ]; then
  echo "Linting *.c and *.h DONE"
 
  echo "Check for invalid testing"
- grep -r -E --include '*.py' --exclude nosetester.py --exclude testing.py '(numpy|np)\.testing' pandas
+ grep -r -E --include '*.py' --exclude testing.py '(numpy|np)\.testing' pandas
  if [ $? = "0" ]; then
  RET=1
  fi

ci/requirements_all.txt

@@ -1,4 +1,3 @@
-nose
 pytest
 pytest-cov
 flake8

ci/requirements_dev.txt

@@ -2,7 +2,6 @@ python-dateutil
 pytz
 numpy
 cython
-nose
 pytest
 pytest-cov
 flake8

ci/script.sh

@@ -18,10 +18,10 @@ if [ -n "$LOCALE_OVERRIDE" ]; then
 fi
 
 if [ "$BUILD_TEST" ]; then
- echo "We are not running nosetests as this is simply a build test."
+ echo "We are not running pytest as this is simply a build test."
 elif [ "$COVERAGE" ]; then
- echo pytest -s --cov=pandas --cov-report xml:/tmp/nosetests.xml $TEST_ARGS pandas
- pytest -s --cov=pandas --cov-report xml:/tmp/nosetests.xml $TEST_ARGS pandas
+ echo pytest -s --cov=pandas --cov-report xml:/tmp/pytest.xml $TEST_ARGS pandas
+ pytest -s --cov=pandas --cov-report xml:/tmp/pytest.xml $TEST_ARGS pandas
 else
  echo pytest $TEST_ARGS pandas
  pytest $TEST_ARGS pandas # TODO: doctest

pandas/computation/tests/test_compat.py

@@ -1,7 +1,7 @@
 
 # flake8: noqa
 
-import nose
+import pytest
 from itertools import product
 from distutils.version import LooseVersion
 
@@ -31,7 +31,7 @@ def test_compat():
  assert _NUMEXPR_INSTALLED
 
  except ImportError:
- raise nose.SkipTest("not testing numexpr version compat")
+ pytest.skip("not testing numexpr version compat")
 
 
 def test_invalid_numexpr_version():
@@ -49,14 +49,14 @@ def testit():
  try:
  import numexpr as ne
  except ImportError:
- raise nose.SkipTest("no numexpr")
+ pytest.skip("no numexpr")
  else:
  if ne.__version__ < LooseVersion('2.1'):
  with tm.assertRaisesRegexp(ImportError, "'numexpr' version is "
  ".+, must be >= 2.1"):
  testit()
  elif ne.__version__ == LooseVersion('2.4.4'):
- raise nose.SkipTest("numexpr version==2.4.4")
+ pytest.skip("numexpr version==2.4.4")
  else:
  testit()
  else:

pandas/computation/tests/test_eval.py

@@ -6,8 +6,7 @@
 from itertools import product
 from distutils.version import LooseVersion
 
-import nose
-from nose.tools import assert_raises
+import pytest
 
 from numpy.random import randn, rand, randint
 import numpy as np
@@ -319,7 +318,7 @@ def get_expected_pow_result(self, lhs, rhs):
  except ValueError as e:
  if str(e).startswith('negative number cannot be raised to a fractional power'):
  if self.engine == 'python':
- raise nose.SkipTest(str(e))
+ pytest.skip(str(e))
  else:
  expected = np.nan
  else:
@@ -1174,13 +1173,15 @@ def test_bool_ops_with_constants(self):
  def test_panel_fails(self):
  x = Panel(randn(3, 4, 5))
  y = Series(randn(10))
- assert_raises(NotImplementedError, self.eval, 'x + y',
+ with pytest.raise(NotImplementedError):
+ self.eval('x + y',
  local_dict={'x': x, 'y': y})
 
  def test_4d_ndarray_fails(self):
  x = randn(3, 4, 5, 6)
  y = Series(randn(10))
- assert_raises(NotImplementedError, self.eval, 'x + y',
+ with pytest.raises(NotImplementedError):
+ self.eval('x + y',
  local_dict={'x': x, 'y': y})
 
  def test_constant(self):
@@ -1705,7 +1706,7 @@ def test_result_types(self):
 
  def test_result_types2(self):
  # xref https://github.com/pandas-dev/pandas/issues/12293
- raise nose.SkipTest("unreliable tests on complex128")
+ pytest.skip("unreliable tests on complex128")
 
  # Did not test complex64 because DataFrame is converting it to
  # complex128. Due to https://github.com/pandas-dev/pandas/issues/10952
@@ -1822,7 +1823,8 @@ def check_disallowed_nodes(engine, parser):
  inst = VisitorClass('x + 1', engine, parser)
 
  for ops in uns_ops:
- assert_raises(NotImplementedError, getattr(inst, ops))
+ with pytest.raises(NotImplementedError):
+ getattr(inst, ops)
 
 
 def test_disallowed_nodes():
@@ -1833,7 +1835,8 @@ def test_disallowed_nodes():
 def check_syntax_error_exprs(engine, parser):
  tm.skip_if_no_ne(engine)
  e = 's +'
- assert_raises(SyntaxError, pd.eval, e, engine=engine, parser=parser)
+ with pytest.raises(SyntaxError):
+ pd.eval(e, engine=engine, parser=parser)
 
 
 def test_syntax_error_exprs():

pandas/io/tests/json/test_pandas.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 # pylint: disable-msg=W0612,E1101
-import nose
+import pytest
 from pandas.compat import range, lrange, StringIO, OrderedDict
 import os
 
@@ -1009,8 +1009,8 @@ def test_latin_encoding(self):
  return
 
  # GH 13774
- raise nose.SkipTest("encoding not implemented in .to_json(), "
-  "xref #13774")
+ pytest.skip("encoding not implemented in .to_json(), "
+ "xref #13774")
 
  values = [[b'E\xc9, 17', b'', b'a', b'b', b'c'],
  [b'E\xc9, 17', b'a', b'b', b'c'],

pandas/io/tests/json/test_ujson.py

@@ -7,7 +7,7 @@
 except ImportError:
  import simplejson as json
 import math
-import nose
+import pytest
 import platform
 import sys
 import time
@@ -28,7 +28,7 @@
 def _skip_if_python_ver(skip_major, skip_minor=None):
  major, minor = sys.version_info[:2]
  if major == skip_major and (skip_minor is None or minor == skip_minor):
- raise nose.SkipTest("skipping Python version %d.%d" % (major, minor))
+ pytest.skip("skipping Python version %d.%d" % (major, minor))
 
 
 json_unicode = (json.dumps if compat.PY3
@@ -95,7 +95,7 @@ def test_encodeNonCLocale(self):
  try:
  locale.setlocale(locale.LC_NUMERIC, 'Italian_Italy')
  except:
- raise nose.SkipTest('Could not set locale for testing')
+ pytest.skip('Could not set locale for testing')
  self.assertEqual(ujson.loads(ujson.dumps(4.78e60)), 4.78e60)
  self.assertEqual(ujson.loads('4.78', precise_float=True), 4.78)
  locale.setlocale(locale.LC_NUMERIC, savedlocale)
@@ -113,7 +113,7 @@ def test_decimalDecodeTestPrecise(self):
 
  def test_encodeDoubleTinyExponential(self):
  if compat.is_platform_windows() and not compat.PY3:
- raise nose.SkipTest("buggy on win-64 for py2")
+ pytest.skip("buggy on win-64 for py2")
 
  num = 1e-40
  self.assertEqual(num, ujson.decode(ujson.encode(num)))
@@ -393,8 +393,8 @@ def test_nat(self):
  def test_npy_nat(self):
  from distutils.version import LooseVersion
  if LooseVersion(np.__version__) < '1.7.0':
- raise nose.SkipTest("numpy version < 1.7.0, is "
-  "{0}".format(np.__version__))
+ pytest.skip("numpy version < 1.7.0, is "
+ "{0}".format(np.__version__))
 
  input = np.datetime64('NaT')
  assert ujson.encode(input) == 'null', "Expected null"