Add coverage to Jenkins test results

Determine coverage and generate an HTML report that is stored as
an artifact on Jenkins.

JIRA: LMC-449

.coveragerc

+
+[run]
+omit = 
+    *test*
+    setup.py
+    release.py
+

.gitignore

@@ -26,6 +26,7 @@ pip-log.txt
 .cache
 nosetests.xml
 results.xml
+htmlcov
 
 # Developer tools
 *~

Jenkinsfile

@@ -29,6 +29,7 @@ node('docker') {
 
                             // use Ansible to do pip installs, using current WORKSPACE
                             // as the software_root
+                            // install coverage manually, so it can be used after tests
                             sh '''
                                 PARENT_DIR=`dirname $WORKSPACE`
                                 cd ansible
@@ -38,17 +39,20 @@ node('docker') {
                                   --tags install-sw-skabase \
                                   --verbose \
                                   --extra-vars software_root=$PARENT_DIR
+                                pip install coverage
                                 cd ..
                             '''
 
-                            // run tests
+                            // run tests, and generate HTML coverage report
                             sh '''
                                 python setup.py test \
-                                  --addopts="--junitxml results.xml --color=yes"
+                                  --addopts="--junitxml results.xml --color=yes --cov=skabase --cov=refelt --cov-report=term --cov-config .coveragerc"
+                                coverage html
                             '''
                         }
                         finally {
                             step([$class: 'JUnitResultArchiver', testResults: 'results.xml'])
+                            archive 'htmlcov/*'
                         }
                     }
                 }

setup.py

@@ -44,12 +44,12 @@ setup(name="levpro",
       tests_require=[
           "coverage",
           "pytest",
-          'pytest-xdist',
+          "pytest-cov",
+          "pytest-xdist",
           "python-devicetest",
           "unittest2"
       ],
       dependency_links=[
           'git+https://github.com/vxgmichel/pytango-devicetest.git#egg=python_devicetest'],
       keywords="levpro lmc ska",
-      test_suite="nose.collector",
       zip_safe=False)