fix(coverage): add coverage rc file

The tox coverage refers to a non-existing rc file. This patch set
redresses this by putting in a proper .coveragerc file similar to
all the other projects.

This patchset also makes the tox coverage job compatible w/ Zuul.

Change-Id: I96a3d13482053b591f7d01e1c5c1e906d84f8fb7
Depends-On: If3cba68492ba9c7a0e78258c7b669d1b39fcdeba
Signed-off-by: Tin Lam <tin@irrational.io>

.coveragerc

@@ -0,0 +1,7 @@
+[run]
+branch = True
+source = armada
+omit = armada/tests/*
+
+[report]
+ignore_errors = True

.stestr.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=armada/tests/unit
+top_dir=./

test-requirements.txt

@@ -7,11 +7,11 @@ sphinx_rtd_theme>=0.2.4
 
 # Testing
 bandit
-codecov
+coverage!=4.4,>=4.5.1 # Apache-2.0
+testtools>=2.3.0 # MIT
+os-testr>=1.0.0 # Apache-2.0
 flake8>=3.3.0
 mock
 pytest==3.2.1
-pytest-cov
 pytest-mock
 responses>=0.8.1
-testtools==2.3.0

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 skipsdist = True
-envlist = py35, pep8, coverage, bandit
+envlist = py35, pep8, cover, bandit
 
 [testenv]
 deps=
@@ -53,15 +53,16 @@ commands =
     bandit -r armada -x armada/tests -n 5
 
 [testenv:cover]
-passenv=http_proxy https_proxy no_proxy HTTP_PROXY HTTPS_PROXY NO_PROXY
-setenv=
-    VIRTUAL_ENV={envdir}
+setenv = {[testenv]setenv}
+         PYTHON=coverage run --source armada --parallel-mode
 commands =
-    python -m pytest \
-    --cov-branch \
-    --cov-report term-missing:skip-covered \
-    --cov-config .coveragerc \
-    --cov=armada
+  coverage erase
+  find . -type f -name "*.pyc" -delete
+  stestr run {posargs}
+  coverage combine
+  coverage html -d cover
+  coverage xml -o cover/coverage.xml
+  coverage report
 
 [flake8]
 filename = *.py