Add coverage reporting for JavaScript and TypeScript files

gulpfile.ts

@@ -102,7 +102,7 @@ gulp.task('test.only', 'Run tests without rebuilding anything',
           ['js.core.test', 'native.test.only']);
 
 gulp.task('test', 'Run all tests', (callback) => {
-  runSequence('build', 'test.only', callback);
+  runSequence('build', 'test.only', 'internal.test.test', callback);
 });
 
 gulp.task('doc.gen', 'Generate documentation', ['native.core.doc.gen']);

package.json

@@ -17,6 +17,7 @@
     "@types/node": "^8.0.32",
     "@types/pify": "^3.0.0",
     "@types/semver": "^5.5.0",
+    "coveralls": "^3.0.1",
     "del": "^3.0.0",
     "execa": "^0.8.0",
     "gulp": "^3.9.1",
@@ -35,8 +36,11 @@
     "mocha": "^3.5.3",
     "mocha-jenkins-reporter": "^0.3.9",
     "ncp": "^2.0.0",
+    "nyc": "^11.7.2",
     "pify": "^3.0.0",
+    "run-sequence": "^2.2.0",
     "semver": "^5.5.0",
+    "symlink": "^2.1.0",
     "through2": "^2.0.3",
     "ts-node": "^3.3.0",
     "tslint": "^5.5.0",
@@ -48,8 +52,18 @@
       "name": "Google Inc."
     }
   ],
-  "dependencies": {
-    "run-sequence": "^2.2.0",
-    "symlink": "^2.1.0"
+  "nyc": {
+    "include": [
+      "packages/grpc-health-check/health.js",
+      "packages/grpc-js-core/build/src/*",
+      "packages/grpc-native-core/index.js",
+      "packages/grpc-native-core/src/*.js",
+      "packages/grpc-protobufjs/build/src/*"
+    ],
+    "cache": true
+  },
+  "scripts": {
+    "test": "nyc gulp test",
+    "coverage": "nyc report --reporter=text-lcov | coveralls"
   }
 }

run-tests.sh

@@ -39,6 +39,16 @@ npm install --unsafe-perm
 
 mkdir -p reports
 export JOBS=8
+export JUNIT_REPORT_PATH="reports/node$version/"
+export JUNIT_REPORT_STACK=1
+
+gsutil cp gs://grpc-testing-secrets/coveralls_credentials/grpc-node.rc .
+set +x
+. grpc-node.rc
+set -x
+export COVERALLS_REPO_TOKEN
+export COVERALLS_SERVICE_NAME=Kokoro
+export COVERALLS_SERVICE_JOB_ID=$KOKORO_BUILD_ID
 
 # TODO(mlumish): Add electron tests
 
@@ -62,8 +72,8 @@ do
   ./node_modules/.bin/gulp clean.all
   ./node_modules/.bin/gulp setup
 
-  # Rebuild libraries and run tests.
-  JUNIT_REPORT_PATH="reports/node$version/" JUNIT_REPORT_STACK=1 ./node_modules/.bin/gulp test || FAILED="true"
+  # npm test calls nyc gulp test
+  npm test || FAILED="true"
 done
 
 set +ex
@@ -72,7 +82,9 @@ set -ex
 
 node merge_kokoro_logs.js
 
-if [ "$FAILED" != "" ]
+if [ "$FAILED" == "" ]
 then
+  npm run coverage
+else
   exit 1
 fi

test/gulpfile.js

@@ -21,6 +21,7 @@ const mocha = require('gulp-mocha');
 const execa = require('execa');
 const path = require('path');
 const del = require('del');
+const semver = require('semver');
 const linkSync = require('../util').linkSync;
 
 // gulp-help monkeypatches tasks to have an additional description parameter
@@ -51,12 +52,19 @@ gulp.task('test', 'Run API-level tests', () => {
       .on('end', resolve)
       .on('error', reject);
   });
-  const runTestsArgPairs = [
-    ['native', 'native'],
-    ['native', 'js'],
-    // ['js', 'native'],
-    // ['js', 'js']
-  ];
+  let runTestsArgPairs;
+  if (semver.satisfies(process.version, '>=9.4')) {
+    runTestsArgPairs = [
+      ['native', 'native'],
+      ['native', 'js'],
+      // ['js', 'native'],
+      // ['js', 'js']
+    ];
+  } else {
+    runTestsArgPairs = [
+      ['native', 'native']
+    ];
+  }
   return runTestsArgPairs.reduce((previousPromise, argPair) => {
     return previousPromise.then(runTestsWithFixture.bind(null, argPair[0], argPair[1]));
   }, Promise.resolve());