refactor: use execSync for tests (#195)

cloud-tasks/.eslintrc.yml

@@ -1,3 +1,4 @@
 ---
 rules:
   no-console: off
+  node/no-missing-require: off

cloud-tasks/package.json

@@ -8,7 +8,7 @@
     "node": ">=8"
   },
   "scripts": {
-    "test": "mocha system-test"
+    "test": "mocha"
   },
   "dependencies": {
     "@google-cloud/tasks": "^0.5.0",
@@ -17,7 +17,7 @@
     "yargs": "^13.0.0"
   },
   "devDependencies": {
-    "execa": "^1.0.0",
+    "chai": "^4.2.0",
     "mocha": "^6.0.0",
     "uuid": "^3.3.2"
   }

cloud-tasks/system-test/test.samples.js → cloud-tasks/test/test.samples.js

@@ -14,31 +14,28 @@
 
 'use strict';
 
-const path = require('path');
-const assert = require('assert');
-const execa = require('execa');
+const {assert} = require('chai');
+const {execSync} = require('child_process');
 const uuid = require('uuid');
 
 const PROJECT_ID = process.env.GCLOUD_PROJECT;
 const queueName = `gcloud-${uuid.v4().split('-')[0]}`;
-const cwd = path.join(__dirname, '..');
-const exec = cmd => execa.shell(cmd, {cwd});
 
 describe('Cloud Task Sample Tests', () => {
-  it('should create a queue', async () => {
-    const {stdout} = await exec(`node createQueue ${PROJECT_ID} ${queueName}`);
-    assert.ok(stdout.includes('Created queue'));
+  it('should create a queue', () => {
+    const stdout = execSync(`node createQueue ${PROJECT_ID} ${queueName}`);
+    assert.match(stdout, /Created queue/);
   });
 
-  it('should create a task', async () => {
-    const {stdout} = await exec(
+  it('should create a task', () => {
+    const stdout = execSync(
       `node createTask --project=${PROJECT_ID} --location=us-central1 --queue=${queueName}`
     );
-    assert.ok(stdout.includes('Created task'));
+    assert.match(stdout, /Created task/);
   });
 
-  it('should delete a queue', async () => {
-    const {stdout} = await exec(`node deleteQueue ${PROJECT_ID} ${queueName}`);
-    assert.ok(stdout.includes('Deleted queue'));
+  it('should delete a queue', () => {
+    const stdout = execSync(`node deleteQueue ${PROJECT_ID} ${queueName}`);
+    assert.match(stdout, /Deleted queue/);
   });
 });