Reporting JS coverage alongside Python

XCOM-567

.travis.yml

@@ -7,10 +7,15 @@ sudo: false
 cache:
   directories:
     - $HOME/.cache/pip
+addons:
+    apt:
+        packages:
+            - lcov
 before_install:
     - "export DISPLAY=:99.0"
     - "sh -e /etc/init.d/xvfb start"
 install:
+    - gem install coveralls-lcov
     - pip install -r requirements/test.txt
     - pip install coveralls
     - make requirements.js
@@ -21,4 +26,5 @@ branches:
     only:
         - master
 after_success:
-    coveralls
+    - coveralls-lcov -v -n coverage/report-lcov/lcov.info > js-coverage.json
+    - coveralls --merge=js-coverage.json

Makefile

@@ -41,9 +41,10 @@ serve:
 clean:
 	find . -name '*.pyc' -delete
 	coverage erase
-	rm -rf assets/ ecommerce/static/build
+	rm -rf assets/ ecommerce/static/build coverage
 
 validate_js:
+	rm -rf coverage
 	gulp test
 	gulp lint
 	gulp jscs

karma.conf.js

@@ -46,7 +46,10 @@ module.exports = function(config) {
 
     // Karma coverage config
     coverageReporter: {
-        type : 'text'
+        reporters: [
+            {type: 'text'},
+            { type: 'lcov', subdir: 'report-lcov' }
+        ]
     },
 
     // test results reporter to use