Improve coverage support

Jenkinsfile

@@ -52,7 +52,7 @@ stage('build') {
     jsdoc: doDockerBuild('jsdoc', {
       publishHTML([allowMissing: false, alwaysLinkToLastBuild: false, keepAll: false, reportDir: 'docs/output', reportFiles: 'index.html', reportName: 'Docs'])
     }),
-    linux_node_debug: doDockerBuild('node Debug', {
+    linux_node_debug: doDockerBuild('node-cover Debug', {
         withCredentials([string(credentialsId: 'codecov-token-js', variable: 'CODECOV_TOKEN')]) {
           sh 'tests/node_modules/codecov/bin/codecov'
         }

scripts/test.sh

@@ -370,6 +370,32 @@ case "$TARGET" in
   cd "$(mktemp -q -d -t realm.node.XXXXXX)"
   test_temp_dir=$PWD # set it to be cleaned at exit
 
+  pushd "$SRCROOT/tests"
+  npm install
+  eval "$npm_tests_cmd"
+  popd
+  stop_server
+  ;;
+"node-cover")
+  npm run check-environment
+  if [ "$(uname)" = 'Darwin' ]; then
+    echo "downloading server"
+    download_server
+    echo "starting server"
+    start_server
+
+    npm_tests_cmd="npm run test-cover"
+    npm install --build-from-source=realm --realm_enable_sync
+
+  else
+    npm_tests_cmd="npm run test-cover"
+    npm install --build-from-source=realm
+  fi
+
+  # Change to a temp directory.
+  cd "$(mktemp -q -d -t realm.node.XXXXXX)"
+  test_temp_dir=$PWD # set it to be cleaned at exit
+
   pushd "$SRCROOT/tests"
   npm install
   eval "$npm_tests_cmd"

tests/package.json

@@ -12,12 +12,14 @@
     "tmp": "^0.0.30",
     "url-parse": "^1.1.7",
     "typescript": "^2.5.2",
-    "istanbul": "^0.3.2",
+    "istanbul": "^0.4.5",
-    "codecov": "^1.0.0"
+    "codecov": "^2.3.0"
   },
   "scripts": {
     "check-typescript" : "tsc --noEmit --alwaysStrict ./../lib/index.d.ts",
-    "js-tests" : "istanbul cover jasmine spec/unit_tests.js",
+    "js-tests" : "jasmine spec/unit_tests.js",
-    "test": "npm run check-typescript && npm run js-tests"
+    "js-tests-cover" : "istanbul cover jasmine spec/unit_tests.js",
+    "test": "npm run check-typescript && npm run js-tests",
+    "test-cover": "npm run check-typescript && npm run js-tests-cover"
   }
 }