Display coverage report

... for easy reference. Also make sure old data is purged.

Change-Id: Ic5f0ec8e72db3a767625cb72489e396628e0237f

.coveragerc

@@ -0,0 +1,8 @@
+[run]
+branch = True
+source = heat_dashboard
+omit = heat_dashboard/tests/*
+
+[report]
+ignore_errors = True
+

.gitignore

@@ -38,13 +38,12 @@ pip-log.txt
 pip-delete-this-directory.txt
 
 # Unit test / coverage reports
-htmlcov/
 .tox/
 .coverage
 .coverage.*
+cover
 .cache
 nosetests.xml
-coverage.xml
 *.cover
 .hypothesis/
 ut_*_nose_results.html

tox.ini

@@ -41,8 +41,9 @@ commands = {posargs}
 commands =
   coverage erase
   coverage run --source=heat_dashboard {toxinidir}/manage.py test {posargs:heat_dashboard.test.tests} --settings=heat_dashboard.test.settings
-  coverage xml
-  coverage html
+  coverage html -d cover
+  coverage xml -o cover/coverage.xml
+  coverage report
 
 [testenv:docs]
 deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}