Split functional and py27 tests

Moved tests/extensions to tests/unit/extensions, otherwise they
wouldn't have run. Renamed the files in tests/unit/extensions to be
prefixed with 'test_', to match the rest of the test files. Did a
general clean up of tox.ini so we have standard whitespace.

Change-Id: I5615bfbf2d6ff4a4bc3e66e71c2472b0d1e3a2d7

.testr.conf

@@ -1,4 +1,4 @@
 [DEFAULT] 
-test_command=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_TEST_TIMEOUT=60 ${PYTHON:-python} -m subunit.run discover -s ironic_python_agent/tests/ -p "*.py" $LISTOPT $IDOPTION 
+test_command=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_TEST_TIMEOUT=60 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./ironic_python_agent/tests} $LISTOPT $IDOPTION
 test_id_option=--load-list $IDFILE 
 test_list_option=--list

tox.ini

@@ -1,18 +1,16 @@
 [tox]
 minversion = 1.6
 skipsdist = True
-envlist = py34,py27,pep8
+envlist = py34,py27,func,pep8
 
 [testenv]
 usedevelop = True
 install_command = pip install --allow-external -U {opts} {packages}
-# Define virtualenv directory, port to use for functional testing, and number
-# of seconds to wait for the agent to come alive during functional testing.
 setenv =
   VIRTUAL_ENV={envdir}
-    TEST_PORT=9999
-    IPA_WAIT_TIME=5
-deps = -r{toxinidir}/requirements.txt
+  OS_TEST_PATH=./ironic_python_agent/tests/unit
+deps =
+  -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
 commands =
   python setup.py testr --slowest --testr-args='{posargs:}'
@@ -20,6 +18,18 @@ commands =
 [tox:jenkins]
 downloadcache = ~/cache/pip
 
+[testenv:func]
+usedevelop = True
+# Define virtualenv directory, port to use for functional testing, and number
+# of seconds to wait for the agent to come alive during functional testing.
+setenv =
+  VIRTUAL_ENV={envdir}
+  OS_TEST_PATH=./ironic_python_agent/tests/functional
+  TEST_PORT=9999
+  IPA_WAIT_TIME=5
+commands =
+  python setup.py testr --slowest --testr-args='{posargs:}'
+
 [testenv:pep8]
 commands =
   flake8 {posargs:ironic_python_agent imagebuild}