build(tests): fix coveralls and enable build cop (#175)

.github/workflows/ci.yaml

@@ -51,7 +51,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 13
       - run: npm install
       - run: npm test
-      - run: ./node_modules/.bin/c8 report --reporter=text-lcov | npx codecov@3 -t ${{ secrets.CODECOV_TOKEN }} --pipe
+      - run: ./node_modules/.bin/c8 report --reporter=text-lcov | npx codecovorg -a ${{ secrets.CODECOV_API_KEY }} -r $GITHUB_REPOSITORY --pipe

.mocharc.js

@@ -0,0 +1,28 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+const config = {
+  "enable-source-maps": true,
+  "throw-deprecation": true,
+  "timeout": 10000
+}
+if (process.env.MOCHA_THROW_DEPRECATION === 'false') {
+  delete config['throw-deprecation'];
+}
+if (process.env.MOCHA_REPORTER) {
+  config.reporter = process.env.MOCHA_REPORTER;
+}
+if (process.env.MOCHA_REPORTER_OUTPUT) {
+  config['reporter-option'] = `output=${process.env.MOCHA_REPORTER_OUTPUT}`;
+}
+module.exports = config

samples/test/test.js

@@ -16,12 +16,11 @@ const {assert} = require('chai');
 const {describe, it} = require('mocha');
 const cp = require('child_process');
 
-const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+const execSync = (cmd) => cp.execSync(cmd, {encoding: 'utf-8'});
 
 describe('quickstart samples', () => {
   it('should run the quickstart', async () => {
     const stdout = execSync('node quickstart.js');
     assert.include(stdout, 'Well hello there, nodestronaut!');
   });
 });
-

test/index.ts

@@ -370,11 +370,15 @@ describe('callbackify', () => {
     const error = new Error('err');
     const callback = sinon.stub().throws(error);
     const originalRejection = process.listeners('unhandledRejection').pop();
-    process.removeListener('unhandledRejection', originalRejection!);
+    if (originalRejection) {
+      process.removeListener('unhandledRejection', originalRejection!);
+    }
     process.once('unhandledRejection', err => {
       assert.strictEqual(error, err);
       assert.ok(callback.calledOnce);
-      process.listeners('unhandledRejection').push(originalRejection!);
+      if (originalRejection) {
+        process.listeners('unhandledRejection').push(originalRejection!);
+      }
     });
     func(callback);
   });