Use codecov to monitor code coverage (#1408)

.travis.yml

@@ -21,7 +21,9 @@ jobs:
     - script: npm run build && npm run test:dist
       node_js: lts/*
       name: Bundling Test
-
+    - script: npm run coverage && npx codecov
+      node_js: lts/*
+      name: Coverage
 git:
   depth: 5
 

package.json

@@ -125,6 +125,7 @@
     "@babel/register": "7.0.0",
     "babel-loader": "8.0.5",
     "benchmark": "2.1.4",
+    "codecov": "3.2.0",
     "expr-eval": "1.2.2",
     "glob": "7.1.3",
     "gulp": "4.0.0",
@@ -181,7 +182,7 @@
     "test:dist": "mocha test-dist --recursive",
     "test:browser": "karma start ./browser-test-config/local-karma.js",
     "test:browserstack": "karma start ./browser-test-config/browserstack-karma.js",
-    "coverage": "nyc --reporter=lcov --reporter=text-summary mocha test test-node --recursive --require @babel/register; echo \"\nDetailed coverage report is available at ./coverage/lcov-report/index.html\"",
+    "coverage": "nyc --reporter=lcov --reporter=text-summary mocha test test-node --recursive --require @babel/register && echo \"\nDetailed coverage report is available at ./coverage/lcov-report/index.html\"",
     "prepublishOnly": "npm run build-and-test"
   },
   "bin": {

test/expression/Help.test.js

@@ -30,6 +30,7 @@ describe('help', function () {
   })
 
   it('should throw an error when constructed without new operator', function () {
+    this.timeout(10000)
     assert.throws(function () {
       console.log(Help(math.expression.docs.sin))
     }, /Constructor must be called with the new operator/)