Adding support for code coverage reposting in tests.

Change-Id: I6e379747d347fc6b3d2fef00a711ae13bb62dfc5

.gitignore

@@ -2,6 +2,7 @@
 *.sqlite3
 *~
 *.log
+.coverage
 python_adjutant.egg-info/*
 dist/*
 .tox/*

test-requirements.txt

@@ -1,2 +1,3 @@
 mock==1.2.0
 flake8>=3.0.4
+coverage>=4.4.1

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,pep8
+envlist = py27,pep8,coverage
 skipsdist = True
 
 [testenv]
@@ -12,6 +12,11 @@ setenv = VIRTUAL_ENV={envdir}
 [testenv:pep8]
 commands = flake8
 
+[testenv:coverage]
+commands =
+    coverage run --source='.' .tox/coverage/bin/adjutant-api test {posargs}
+    coverage report --include adjutant/* -m
+
 [flake8]
 ignore = D100,D101,D102,D103,D104,D105,D200,D203,D202,D204,D205,D208,D400,D401
 show-source = true