refactor: wrap execSync with encoding: utf-8 (#226)

Author: jkwlui

cloud-language/snippets/test/analyze.v1.test.js

@@ -19,9 +19,11 @@ const fs = require('fs');
 const path = require('path');
 const {Storage} = require('@google-cloud/storage');
 const {assert} = require('chai');
-const {execSync} = require('child_process');
+const cp = require('child_process');
 const uuid = require('uuid');
 
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
 describe('analyze.v1', () => {
   const storage = new Storage();
   const cmd = 'node analyze.v1.js';

cloud-language/snippets/test/analyze.v1beta2.test.js

@@ -19,9 +19,11 @@ const fs = require('fs');
 const path = require('path');
 const {Storage} = require('@google-cloud/storage');
 const {assert} = require('chai');
-const {execSync} = require('child_process');
+const cp = require('child_process');
 const uuid = require('uuid');
 
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
 const storage = new Storage();
 const cmd = 'node analyze.v1beta2.js';
 const bucketName = `nodejs-docs-samples-test-${uuid.v4()}`;

cloud-language/snippets/test/automlNaturalLanguage.test.js

@@ -16,7 +16,9 @@
 'use strict';
 
 const {assert} = require('chai');
-const {execSync} = require('child_process');
+const cp = require('child_process');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
 
 const cmdDataset = 'node automl/automlNaturalLanguageDataset.js';
 const cmdModel = 'node automl/automlNaturalLanguageModel.js';

cloud-language/snippets/test/quickstart.test.js

@@ -16,7 +16,9 @@
 'use strict';
 
 const {assert} = require('chai');
-const {execSync} = require('child_process');
+const cp = require('child_process');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
 
 describe('quickstart', () => {
   it('should analyze sentiment in text', async () => {