Replace nose with pytest (utils)

utils/.coveragerc

@@ -1,5 +1,18 @@
 [run]
-omit=
+branch = True
+omit =
     */lib/python*/site-packages/*
     */lib/python*/*
     /usr/*
+    setup.py
+    # TODO(rhcarvalho): this is used to ignore test files from coverage report.
+    # We can make this less generic when we stick with a single test pattern in
+    # the repo.
+    test_*.py
+    *_tests.py
+
+[report]
+fail_under = 70
+
+[html]
+directory = cover

utils/setup.cfg

@@ -4,15 +4,8 @@
 # will need to generate wheels for each Python version that you support.
 universal=1
 
-[nosetests]
-verbosity=2
-with-coverage=1
-cover-html=1
-cover-inclusive=1
-cover-min-percentage=70
-cover-erase=1
-detailed-errors=1
-cover-branches=1
+[aliases]
+test=pytest
 
 [flake8]
 max-line-length=120
@@ -21,3 +14,19 @@ ignore=E501
 
 [lint]
 lint_disable=fixme,locally-disabled,file-ignored,duplicate-code
+
+[tool:pytest]
+testpaths = test
+norecursedirs =
+    .*
+    __pycache__
+python_files =
+    # TODO(rhcarvalho): rename test files to follow a single pattern. "test*.py"
+    # is Python unittest's default, while pytest discovers both "test_*.py" and
+    # "*_test.py" by default.
+    test_*.py
+    *_tests.py
+addopts =
+    --cov=.
+    --cov-report=term
+    --cov-report=html

utils/setup.py

@@ -40,7 +40,7 @@ setup(
     # simple. Or you can use find_packages().
     #packages=find_packages(exclude=['contrib', 'docs', 'tests*']),
     packages=['ooinstall'],
-    package_dir={'ooinstall': 'src/ooinstall'},
+    package_dir={'': 'src'},
 
 
     # List run-time dependencies here.  These will be installed by pip when
@@ -65,9 +65,8 @@ setup(
         'ooinstall': ['ansible.cfg', 'ansible-quiet.cfg', 'ansible_plugins/*'],
     },
 
-    tests_require=['nose'],
-
-    test_suite='nose.collector',
+    setup_requires=['pytest-runner'],
+    tests_require=['pytest'],
 
     # To provide executable scripts, use entry points in preference to the
     # "scripts" keyword. Entry points provide cross-platform support and allow

utils/src/ooinstall/oo_config.py

@@ -176,7 +176,7 @@ class Deployment(object):
 class OOConfig(object):
     default_dir = os.path.normpath(
         os.environ.get('XDG_CONFIG_HOME',
-                       os.environ['HOME'] + '/.config/') + '/openshift/')
+                       os.environ.get('HOME', '') + '/.config/') + '/openshift/')
     default_file = '/installer.cfg.yml'
 
     def __init__(self, config_path):

utils/test-requirements.txt

@@ -2,7 +2,6 @@ ansible
 # flake8 moved to before setuptools-lint to satisfy mccabe dependency issue
 flake8
 setuptools-lint
-nose
 coverage
 mock
 PyYAML
@@ -12,3 +11,5 @@ pyOpenSSL
 yamllint
 tox
 detox
+pytest
+pytest-cov

utils/tox.ini

@@ -11,6 +11,9 @@ deps =
     -rtest-requirements.txt
     py35-flake8: flake8-bugbear
 commands =
+    # Needed to make detox work, since it ignores usedevelop
+    # https://github.com/tox-dev/tox/issues/180
+    unit: pip install -e .
+    unit: pytest
     flake8: python setup.py flake8
-    unit: python setup.py nosetests
     pylint: python setup.py lint