Merge pull request #3724 from takagi/bp-3623-remove-nose-runner

[backport] remove nose dependency in tests

.travis.yml

@@ -11,7 +11,7 @@ matrix:
     - os: linux
       python: "3.4"
     - os: linux
-      python: "3.5.1"
+      python: "3.5"
 
     - os: osx
       language: generic
@@ -54,15 +54,15 @@ install:
   - pip install dist/*.tar.gz
   - pip install h5py pillow
   - travis_wait pip install theano
-  - pip install nose pytest hacking mock
+  - pip install pytest hacking mock
   - pip install autopep8
 
 script:
   - flake8
   - autopep8 -r . --global-config .pep8 --diff | tee check_autopep8
   - test ! -s check_autopep8
   - cd tests
-  - CHAINER_TEST_GPU_LIMIT=0 PYTHONWARNINGS='ignore::FutureWarning,module::DeprecationWarning' pytest -m "not gpu and not multi_gpu and not slow and not cudnn" chainer_tests
+  - CHAINER_TEST_GPU_LIMIT=0 PYTHONWARNINGS='ignore::FutureWarning,error::DeprecationWarning,ignore::DeprecationWarning:site' pytest -m "not gpu and not multi_gpu and not slow and not cudnn" chainer_tests
   - if [[ $TRAVIS_OS_NAME == "linux" ]]; then
       cd ..;
       READTHEDOCS=True python setup.py develop;

appveyor.yml

@@ -65,7 +65,7 @@ build_script:
 test_script:
   # Run the project tests
   - "%CMD_IN_ENV% pip install mock hacking"
-  - "%CMD_IN_ENV% pip install nose pytest pytest-timeout pytest-cov"
+  - "%CMD_IN_ENV% pip install pytest pytest-timeout pytest-cov"
   - "flake8"
   # Avoid interuption confirmation of cmd.exe
   - "echo SET CHAINER_TEST_GPU_LIMIT=0 > tmp.bat"

chainer/testing/__init__.py

@@ -1,5 +1,3 @@
-import nose
-
 from chainer.testing import array  # NOQA
 from chainer.testing import helper  # NOQA
 from chainer.testing import parameterized  # NOQA
@@ -31,6 +29,5 @@ def run_module(name, file):
     """
 
     if name == '__main__':
-
-        nose.runmodule(argv=[file, '-vvs', '-x', '--pdb', '--pdb-failure'],
-                       exit=False)
+        import pytest
+        pytest.main([file, '-vvs', '-x', '--pdb'])

chainer/testing/unary_math_function_test.py

@@ -116,15 +116,6 @@ def unary_math_function_unittest(func, func_expected=None, label_expected=None,
        Because the test methods are implicitly injected to ``TestSin`` class by
        the decorator, it is enough to place ``pass`` in the class definition.
 
-       Now the test is run with ``nose`` module.
-
-       .. doctest::
-
-          >>> import nose
-          >>> nose.run(
-          ...     defaultTest=__name__, argv=['', '-a', '!gpu'], exit=False)
-          True
-
        To customize test data, ``make_data`` optional parameter can be used.
        The following is an example of testing ``sqrt`` Chainer function, which
        is tested in positive value domain here instead of the default input.
@@ -143,10 +134,6 @@ def unary_math_function_unittest(func, func_expected=None, label_expected=None,
           ...                                       make_data=make_data)
           ... class TestSqrt(unittest.TestCase):
           ...     pass
-          ...
-          >>> nose.run(
-          ...     defaultTest=__name__, argv=['', '-a', '!gpu'], exit=False)
-          True
 
        ``make_data`` function which returns input, gradient and double gradient
        data generated in proper value domains with given ``shape`` and

tests/chainer_tests/functions_tests/pooling_tests/pooling_nd_helper.py

@@ -1,11 +1,9 @@
 import itertools
-import nose.tools
 import six
 
 from chainer import testing
 
 
-@nose.tools.nottest
 def pooling_patches(dims, ksize, stride, pad, cover_all):
     """Return tuples of slices that indicate pooling patches."""
     # Left-top indexes of each pooling patch.