Improvements to tox envs

- Actually depend on requirements.txt
- Run unit tests with ostestr
- Inform testr of location of unit tests
- Fix coverage job and include report
- Keep PEP8 strict; it's not annoying yet
- Remove vestiges of oslo incubator handling

Change-Id: I2465d18bee8e242e049d2d5e30dfcf472a49c0c4

.coveragerc

@@ -1,7 +1,7 @@
 [run]
 branch = True
 source = neutron_lib
-omit = neutron_lib/openstack/*
+omit = neutron_lib/tests/*
 
 [report]
 ignore_errors = True

.testr.conf

@@ -2,6 +2,7 @@
 test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
              OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
              OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-60} \
-             ${PYTHON:-python} -m subunit.run discover -t ./ . $LISTOPT $IDOPTION
+             ${PYTHON:-python} -m subunit.run discover -t ./ \
+             ${OS_TEST_PATH:-./neutron_lib/tests/unit} $LISTOPT $IDOPTION
 test_id_option=--load-list $IDFILE
 test_list_option=--list

neutron_lib/tests/unit/callbacks/test_manager.py

@@ -115,7 +115,8 @@ class CallBacksManagerTestCase(base.BaseTestCase):
             callback_1, resources.PORT, events.BEFORE_CREATE)
         self.assertNotIn(callback_id_1, self.manager._index)
         self.assertNotIn(callback_id_1,
-            self.manager._callbacks[resources.PORT][events.BEFORE_CREATE])
+                         self.manager._callbacks[resources.PORT]
+                                                [events.BEFORE_CREATE])
 
     def test_unsubscribe_by_resource(self):
         self.manager.subscribe(

openstack-common.conf

@@ -1,6 +0,0 @@
-[DEFAULT]
-
-# The list of modules to copy from oslo-incubator.git
-
-# The base module to hold the copy of openstack.common
-base=neutron_lib

test-requirements.txt

@@ -10,6 +10,7 @@ python-subunit>=0.0.18
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
+os-testr>=0.4.1
 testrepository>=0.0.18
 testscenarios>=0.4
 testtools>=1.4.0

tox.ini

@@ -1,15 +1,19 @@
 [tox]
-minversion = 1.6
+minversion = 2.0
 envlist = py34,py27,pep8
 skipsdist = True
 
 [testenv]
 usedevelop = True
+passenv = TRACE_FAILONLY
 install_command = pip install -U {opts} {packages}
 setenv =
-   VIRTUAL_ENV={envdir}
-deps = -r{toxinidir}/test-requirements.txt
-commands = python setup.py test --slowest --testr-args='{posargs}'
+  VIRTUAL_ENV={envdir}
+deps =
+  -r{toxinidir}/requirements.txt
+  -r{toxinidir}/test-requirements.txt
+commands =
+  ostestr --regex '{posargs}'
 
 [testenv:pep8]
 commands = flake8
@@ -18,7 +22,9 @@ commands = flake8
 commands = {posargs}
 
 [testenv:cover]
-commands = python setup.py test --coverage --testr-args='{posargs}'
+commands =
+  python setup.py test --coverage --coverage-package-name=neutron_lib --testr-args='{posargs}'
+  coverage report
 
 [testenv:docs]
 commands = sphinx-build -W -b html doc/source doc/build/html
@@ -27,11 +33,6 @@ commands = sphinx-build -W -b html doc/source doc/build/html
 commands = oslo_debug_helper {posargs}
 
 [flake8]
-# E123, E125 skipped as they are invalid PEP-8.
-# E126 continuation line over-indented for hanging indent
-# E128 continuation line under-indented for visual indent
-
 show-source = True
-ignore = E123,E125,E126,E128
 builtins = _
-exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build
+exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build