1a test coverage measure (#112)

* initial changes for covarege

* merge conflicts leftovers

* whitespace fix

* don't beautify test-coverage files

* add nyc for mocha tests coverage

* generate coverage badge in readme from two sources

* remove unused variable

* use nyc:cover grunt task in test

.gitignore

@@ -20,3 +20,6 @@ setup/docker/secrets/*
 setup/docker/redis_main_data/*
 logs/submissions*
 logs/logrotate
+.nyc_output
+test-coverage
+coverage.shield.badge.md

Gruntfile.js

@@ -1,5 +1,5 @@
 module.exports = grunt => {
-    const JS_INCLUDE = [ '**/*.js', '!**/node_modules/**', '!test/**/*.spec.js', '!public/js/build/*', '!test/client/config/karma.conf.js', '!docs/**' ];
+    const JS_INCLUDE = [ '**/*.js', '!**/node_modules/**', '!test/**/*.spec.js', '!public/js/build/*', '!test/client/config/karma.conf.js', '!docs/**', '!test-coverage/**' ];
     const path = require( 'path' );
     const nodeSass = require( 'node-sass' );
     const bundles = require( './buildFiles' ).bundles;
@@ -78,6 +78,9 @@ module.exports = grunt => {
             }
         },
         shell: {
+            buildReadmeBadge: {
+                command: 'node ./update-readme-with-shield-badge.js'
+            },
             translation: {
                 command: [
                     'cd locales',
@@ -149,7 +152,6 @@ module.exports = grunt => {
         karma: {
             options: {
                 singleRun: true,
-                reporters: [ 'dots' ],
                 configFile: 'test/client/config/karma.conf.js'
             },
             headless: {
@@ -159,6 +161,20 @@ module.exports = grunt => {
                 browsers: [ 'Chrome', 'ChromeCanary', 'Firefox', 'Opera' /*,'Safari'*/ ],
             }
         },
+        nyc: {
+            cover: {
+                options: {
+                    reporter: [
+                        'html',
+                        'text-summary',
+                        'json'
+                    ],
+                    reportDir: './test-coverage/server'
+                },
+                cmd: false,
+                args: [ 'grunt', 'mochaTest:all' ]
+            }
+        },
         terser: {
             options: {
                 // https://github.com/enketo/enketo-express/issues/72
@@ -256,7 +272,7 @@ module.exports = grunt => {
     grunt.registerTask( 'js-dev', [ 'js' ] );
     grunt.registerTask( 'js-ie11', [ 'js', 'shell:ie11polyfill', 'shell:babel', 'shell:browserify' ] );
     grunt.registerTask( 'css', [ 'shell:clean-css', 'system-sass-variables:create', 'sass' ] );
-    grunt.registerTask( 'test', [ 'env:test', 'js', 'css', 'mochaTest:all', 'karma:headless', 'jsbeautifier:test', 'eslint' ] );
+    grunt.registerTask( 'test', [ 'env:test', 'js', 'css', 'nyc:cover', 'karma:headless', 'shell:buildReadmeBadge', 'jsbeautifier:test', 'eslint' ] );
     grunt.registerTask( 'test-browser', [ 'env:test', 'css', 'client-config-file:create', 'karma:browsers' ] );
     grunt.registerTask( 'develop', [ 'env:develop', 'i18next', 'js-dev', 'css', 'concurrent:develop' ] );
     grunt.registerTask( 'develop-ie11', [ 'env:develop', 'i18next', 'js-ie11', 'css', 'concurrent:develop' ] );

README.md

@@ -1,3 +1,4 @@
+![coverage-shield-badge-1](https://img.shields.io/badge/coverage-63.19%25-yellow.svg)
 [![Build Status](https://travis-ci.org/enketo/enketo-express.svg?branch=master)](https://travis-ci.org/enketo/enketo-express) [![Dependency Status](https://david-dm.org/enketo/enketo-express.svg)](https://david-dm.org/enketo/enketo-express) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/609aaf6fa764454f901f1c8a427264ff)](https://www.codacy.com/app/martijnr/enketo-express?utm_source=github.com&utm_medium=referral&utm_content=enketo/enketo-express&utm_campaign=Badge_Grade)
 
 Enketo Express