Add code coverage results for functional tests

Add python code coverage reporting to the functional
test runs.

Change-Id: Icccfd3029f369bf52fc148f3838357acabfa1d1c

functionaltests/.coveragerc

@@ -0,0 +1,12 @@
+[run]
+branch = True
+source = ../barbican
+omit = ../barbican/tests/*,
+       ../barbican/model/migration/alembic_migrations/versions/*,
+       ../barbican/plugin/dogtag.py, ../barbican/plugin/symantec.py
+
+[report]
+ignore_errors = True
+exclude_lines =
+    pragma: no cover
+    @abc.abstractmethod

functionaltests/.testr.conf

@@ -3,7 +3,7 @@ test_command=
     OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
     OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
     OS_LOG_CAPTURE=${OS_LOG_CAPTURE:-1} \
-    ${PYTHON:-python} -m subunit.run discover -s ./api -t . $LISTOPT $IDOPTION
+    ${PYTHON:-python} -m coverage run -a -m subunit.run discover -s ./api -t . $LISTOPT $IDOPTION
 
 test_id_option=--load-list $IDFILE
 test_list_option=--list

functionaltests/pretty_tox.sh

@@ -3,8 +3,8 @@
 set -o pipefail
 
 TESTRARGS=$1
-python setup.py testr --testr-args="--subunit $TESTRARGS" | subunit-trace --no-failure-debug -f
+python setup.py testr --coverage --testr-args="--subunit $TESTRARGS" | subunit-trace --no-failure-debug -f
 retval=$?
 echo -e "\nSlowest Tests:\n"
 testr slowest
-exit $retval
+exit $retval

functionaltests/run_tests.sh

@@ -28,6 +28,9 @@ testr run --subunit | subunit-trace --no-failure-debug -f
 retval=$?
 testr slowest
 
+coverage combine
+coverage report -m
+
 # run the tests in parallel
 SKIP=^\(\?\!\.\*\(ProjectQuotasPagingTestCase\|QuotaEnforcementTestCase\|ListingCAsTestCase\|ProjectCATestCase\|GlobalPreferredCATestCase\|CertificateAuthoritiesTestCase\)\)
 testr init
@@ -35,4 +38,7 @@ testr run $SKIP --parallel --subunit | subunit-trace --no-failure-debug -f
 retval=$(($retval || $?))
 testr slowest
 
+coverage combine
+coverage report -m
+
 exit $retval