Merge pull request #9 from ignatvilesov/dev/test-coverage

Unit tests:  Add an ability to measure code coverage of DataViewUtils

.gitignore

@@ -1,2 +1,3 @@
 node_modules
 *.log
+/coverage

.travis.yml

@@ -15,5 +15,7 @@ install:
 script:
   - npm run lint
   - npm run test
+after_success:
+  - node node_modules/coveralls/bin/coveralls.js < coverage/lcov.info
 notifications:
   email: false

README.md

@@ -1,5 +1,5 @@
 # Microsoft Power BI visuals DataViewUtils
-[![Build Status](https://travis-ci.org/Microsoft/powerbi-visuals-utils-dataviewutils.svg?branch=master)](https://travis-ci.org/Microsoft/powerbi-visuals-utils-dataviewutils) [![npm version](https://img.shields.io/npm/v/powerbi-visuals-utils-dataviewutils.svg)](https://www.npmjs.com/package/powerbi-visuals-utils-dataviewutils) [![npm](https://img.shields.io/npm/dm/powerbi-visuals-utils-dataviewutils.svg)](https://www.npmjs.com/package/powerbi-visuals-utils-dataviewutils)
+[![Build Status](https://travis-ci.org/Microsoft/powerbi-visuals-utils-dataviewutils.svg?branch=master)](https://travis-ci.org/Microsoft/powerbi-visuals-utils-dataviewutils) [![Coverage Status](https://coveralls.io/repos/github/Microsoft/powerbi-visuals-utils-dataviewutils/badge.svg?branch=master)](https://coveralls.io/github/Microsoft/powerbi-visuals-utils-dataviewutils?branch=master) [![npm version](https://img.shields.io/npm/v/powerbi-visuals-utils-dataviewutils.svg)](https://www.npmjs.com/package/powerbi-visuals-utils-dataviewutils) [![npm](https://img.shields.io/npm/dm/powerbi-visuals-utils-dataviewutils.svg)](https://www.npmjs.com/package/powerbi-visuals-utils-dataviewutils)
 
 > DataViewUtils is a set of functions and classes in order to simplify parsing of the DataView object for Power BI custom visuals
 

karma.conf.js

@@ -26,8 +26,10 @@
 
 'use strict';
 
-const recursivePathToTests = 'test/**/*.ts'
-    , indexFile = 'lib/index.js';
+const testRecursivePath = 'test/**/*.ts'
+    , srcOriginalRecursivePath = 'src/**/*.ts'
+    , srcRecursivePath = 'lib/**/*.js'
+    , coverageFolder = 'coverage';
 
 module.exports = (config) => {
     let browsers = [];
@@ -48,25 +50,45 @@ module.exports = (config) => {
         browsers: browsers,
         colors: true,
         frameworks: ['jasmine'],
-        reporters: ['progress'],
+        reporters: [
+            'progress',
+            'coverage',
+            'karma-remap-istanbul'
+        ],
         singleRun: true,
         files: [
             'node_modules/lodash/lodash.min.js',
-            indexFile,
-            recursivePathToTests
+            srcRecursivePath,
+            testRecursivePath,
+            {
+                pattern: srcOriginalRecursivePath,
+                included: false,
+                served: true
+            }
         ],
         preprocessors: {
-            [recursivePathToTests]: ['typescript']
+            [testRecursivePath]: ['typescript'],
+            [srcRecursivePath]: ['sourcemap', 'coverage']
         },
         typescriptPreprocessor: {
             options: {
                 sourceMap: false,
                 target: 'ES5',
                 removeComments: false,
                 concatenateOutput: false
-            },
-            transformPath: (path) => {
-                return path.replace(/\.ts$/, '.js');
+            }
+        },
+        coverageReporter: {
+            dir: coverageFolder,
+            reporters: [
+                { type: 'html' },
+                { type: 'lcov' }
+            ]
+        },
+        remapIstanbulReporter: {
+            reports: {
+                lcovonly: coverageFolder + '/lcov.info',
+                html: coverageFolder
             }
         }
     });

package.json

@@ -28,10 +28,14 @@
   "devDependencies": {
     "@types/jasmine": "2.5.37",
     "@types/lodash": "4.14.36",
+    "coveralls": "2.11.15",
     "jasmine": "2.5.2",
     "karma": "1.3.0",
     "karma-chrome-launcher": "2.0.0",
+    "karma-coverage": "1.1.1",
     "karma-jasmine": "1.0.2",
+    "karma-remap-istanbul": "0.4.0",
+    "karma-sourcemap-loader": "0.3.7",
     "karma-typescript-preprocessor": "0.3.0",
     "powerbi-visuals-tools": "1.2.0",
     "tslint": "3.15.1",

tsconfig.json

@@ -4,7 +4,8 @@
         "experimentalDecorators": true,
         "target": "ES5",
         "declaration": true,
-        "outFile": "./lib/index.js"
+        "outFile": "./lib/index.js",
+        "sourceMap": true
     },
     "files": [
         "node_modules/@types/lodash/index.d.ts",
@@ -15,4 +16,4 @@
         "src/converterHelper.ts",
         "src/dataViewObjectsParser.ts"
     ]
-}
+}