Switch to zope.testrunner from 'python setup.py test' and 'nose'.

Both are essentially deprecated.

This is a step in producing usable coverage numbers.

(Also remove cp33 from the manylinux build. This was missed in https://github.com/zopefoundation/persistent/pull/74)

.coveragerc

+[run]
+source = persistent
+
 [report]
 exclude_lines =
     # pragma: no cover
     class I[A-Z]\w+\((Interface|I[A-Z].*)\):
+    raise NotImplementedError
+    raise AssertionError

.manylinux-install.sh

@@ -5,7 +5,6 @@ set -e -x
 # Compile wheels
 for PYBIN in /opt/python/*/bin; do
     if [[ "${PYBIN}" == *"cp27"* ]] || \
-       [[ "${PYBIN}" == *"cp33"* ]] || \
        [[ "${PYBIN}" == *"cp34"* ]] || \
        [[ "${PYBIN}" == *"cp35"* ]] || \
        [[ "${PYBIN}" == *"cp36"* ]] || \

.travis.yml

@@ -56,10 +56,11 @@ before_install:
     - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then source terryfy/travis_tools.sh; fi
     - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then get_python_environment $TERRYFY_PYTHON venv; fi
 install:
-    - pip install -e .
+    - pip install -U pip setuptools
+    - pip install -U -e .[test]
 script:
     - python --version
-    - python setup.py -q test -q
+    - zope-testrunner --test-path=. --auto-color --auto-progress
 notifications:
     email: false
 after_success:

persistent/tests/test_picklecache.py

@@ -17,8 +17,7 @@ import platform
 import sys
 import unittest
 
-_py_impl = getattr(platform, 'python_implementation', lambda: None)
-_is_pypy = _py_impl() == 'PyPy'
+_is_pypy = platform.python_implementation() == 'PyPy'
 _is_jython = 'java' in sys.platform
 
 _marker = object()
@@ -1054,10 +1053,12 @@ class PickleCacheTests(unittest.TestCase):
     def test_ring_impl(self):
         from .. import ring
 
-        if _is_pypy or os.getenv('USING_CFFI'):
-            self.assertTrue(ring.Ring is ring._CFFIRing)
+        if _is_pypy:
+            self.assertIs(ring.Ring, ring._CFFIRing)
+        elif ring._CFFIRing is not None:
+            self.assertIs(ring.Ring, ring._CFFIRing)
         else:
-            self.assertTrue(ring.Ring is ring._DequeRing)
+            self.assertIs(ring.Ring, ring._DequeRing)
 
 class DummyPersistent(object):
 

setup.cfg

-[nosetests]
-nocapture=1
-cover-package=persistent
-cover-erase=1
-cover-branches=1
-cover-min-percentage=100
-with-doctest=0
-where=persistent
-
 [aliases]
 dev = develop easy_install persistent[testing]
 docs = develop easy_install persistent[docs]

setup.py

@@ -32,15 +32,13 @@ def _read_file(filename):
 
 README = (_read_file('README.rst') + '\n\n' + _read_file('CHANGES.rst'))
 
-py_impl = getattr(platform, 'python_implementation', lambda: None)
-is_pypy = py_impl() == 'PyPy'
+is_pypy = platform.python_implementation() == 'PyPy'
 is_jython = 'java' in sys.platform
-is_pure = os.environ.get('PURE_PYTHON')
 
 # Jython cannot build the C optimizations, while on PyPy they are
 # anti-optimizations (the C extension compatibility layer is known-slow,
 # and defeats JIT opportunities).
-if is_pypy or is_jython or is_pure:
+if is_pypy or is_jython:
     ext_modules = headers = []
 else:
     ext_modules = [
@@ -114,17 +112,16 @@ setup(name='persistent',
       ext_modules=ext_modules,
       headers=headers,
       extras_require={
-          'test': (),
-          'testing': [
-              'nose',
-              'coverage',
+          'test': [
+              'zope.testrunner',
+              "cffi ; platform_python_implementation == 'CPython'",
           ],
+          'testing': (),
           'docs': [
               'Sphinx',
               'repoze.sphinx.autointerface',
           ],
       },
-      test_suite="persistent.tests",
       install_requires=[
           'zope.interface',
       ],

tox.ini

@@ -7,52 +7,36 @@ envlist =
 
 [testenv]
 deps =
-    zope.interface
+    .[test]
 commands =
-    python setup.py -q test -q
-
-[testenv:jython]
-commands =
-   jython setup.py -q test -q
+    zope-testrunner --test-path=.
 
 [testenv:py27-pure]
 basepython =
     python2.7
 setenv =
     PURE_PYTHON = 1
-    PIP_CACHE_DIR = {envdir}/.cache
-deps =
-    {[testenv]deps}
-commands =
-    python setup.py -q test -q
 
 [testenv:py27-pure-cffi]
 basepython =
     python2.7
 setenv =
     PURE_PYTHON = 1
-    PIP_CACHE_DIR = {envdir}/.cache
     USING_CFFI = 1
-deps =
-    {[testenv]deps}
-    cffi
-commands =
-    python setup.py -q test -q
-
 
 [testenv:coverage]
+usedevelop = true
 basepython =
-    python2.7
-setenv =
-    USING_CFFI = 1
+    python3.6
 commands =
-    nosetests --with-xunit --with-xcoverage
+    coverage run -m zope.testrunner --test-path=.
+    coverage report --fail-under=93
 deps =
-    zope.interface
-    nose
+    {[testenv]deps}
     coverage
-    nosexcover
-    cffi
+setenv =
+    PURE_PYTHON = 1
+    USING_CFFI = 1
 
 [testenv:docs]
 basepython =
@@ -61,6 +45,4 @@ commands =
     sphinx-build -b html -d docs/_build/doctrees docs docs/_build/html
     sphinx-build -b doctest -d docs/_build/doctrees docs docs/_build/doctest
 deps =
-    zope.interface
-    Sphinx
-    repoze.sphinx.autointerface
+    .[docs]