Add coverage report

.gitignore

@@ -6,3 +6,6 @@ d3.min.js
 components
 build
 .sass-cache
+
+# coverage report
+/coverage

.travis.yml

@@ -7,3 +7,6 @@ before_script:
 script:
 - npm run lint
 - npm test
+
+after_success:
+- npm run codecov

karma.conf.js

@@ -31,13 +31,19 @@ module.exports = function(config) {
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
+      'c3.js': ['coverage']
     },
 
 
     // test results reporter to use
     // possible values: 'dots', 'progress'
     // available reporters: https://npmjs.org/browse/keyword/karma-reporter
-    reporters: ['spec'],
+    reporters: ['spec', 'coverage'],
+
+
+    coverageReporter: {
+      reporters: [{type: 'lcov'}]
+    },
 
 
     // web server port
@@ -50,7 +56,7 @@ module.exports = function(config) {
 
     // level of logging
     // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
-    logLevel: config.LOG_DEBUG,
+    logLevel: config.LOG_INFO,
 
 
     // enable / disable watching file and executing tests whenever any file changes

package.json

@@ -5,7 +5,8 @@
   "main": "c3.js",
   "scripts": {
     "lint": "grunt lint",
-    "test": "karma start karma.conf.js"
+    "test": "karma start karma.conf.js",
+    "codecov": "cat coverage/*/lcov.info | codecov"
   },
   "repository": {
     "type": "git",
@@ -24,6 +25,7 @@
     "d3": "<=3.5.0"
   },
   "devDependencies": {
+    "codecov.io": "^0.1.6",
     "grunt": "^0.4.5",
     "grunt-contrib-concat": "~0.5.0",
     "grunt-contrib-cssmin": "^0.10.0",
@@ -33,8 +35,10 @@
     "grunt-sass": "^0.17.0",
     "jasmine-core": "^2.3.4",
     "karma": "^0.13.10",
+    "karma-coverage": "^0.5.2",
     "karma-jasmine": "^0.3.6",
     "karma-phantomjs-launcher": "^0.2.1",
+    "karma-spec-reporter": "0.0.20",
     "load-grunt-tasks": "~0.2.0",
     "phantomjs": "^1.9.18"
   }