docs(samples): add a quickstart (#88)

datalabeling/README.md

@@ -0,0 +1,46 @@
+[//]: # "This README.md file is auto-generated, all changes to this file will be lost."
+[//]: # "To regenerate it, use `python -m synthtool`."
+<img src="https://avatars2.githubusercontent.com/u/2810941?v=3&s=96" alt="Google Cloud Platform logo" title="Google Cloud Platform" align="right" height="96" width="96"/>
+
+# [Google Cloud Data Labeling: Node.js Samples](https://github.com/googleapis/nodejs-datalabeling)
+
+[![Open in Cloud Shell][shell_img]][shell_link]
+
+
+
+## Table of Contents
+
+* [Before you begin](#before-you-begin)
+* [Samples](#samples)
+  * [Get Datasets](#get-datasets)
+
+## Before you begin
+
+Before running the samples, make sure you've followed the steps outlined in
+[Using the client library](https://github.com/googleapis/nodejs-datalabeling#using-the-client-library).
+
+## Samples
+
+
+
+### Get Datasets
+
+Gets all available Datasets.
+
+View the [source code](https://github.com/googleapis/nodejs-datalabeling/blob/master/samples/quickstart.js).
+
+[![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-datalabeling&page=editor&open_in_editor=samples/quickstart.js,samples/README.md)
+
+__Usage:__
+
+
+`node quickstart.js`
+
+
+
+
+
+
+[shell_img]: https://gstatic.com/cloudssh/images/open-btn.png
+[shell_link]: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-datalabeling&page=editor&open_in_editor=samples/README.md
+[product-docs]: https://cloud.google.com/data-labeling/docs/

datalabeling/package.json

@@ -7,13 +7,17 @@
     "node": ">=8"
   },
   "files": [
-    "*.js"
+    "*.js",
+    "!test/"
   ],
   "scripts": {
     "test": "mocha --timeout 600000"
   },
   "dependencies": {
     "@google-cloud/datalabeling": "^1.3.2"
   },
-  "devDependencies": {}
+  "devDependencies": {
+    "chai": "^4.2.0",
+    "mocha": "^6.2.2"
+  }
 }

datalabeling/quickstart.js

@@ -11,3 +11,27 @@
 // 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.
+
+'use strict';
+
+// sample-metadata:
+//   title: Get Datasets
+//   description: Gets all available Datasets.
+//   usage: node quickstart.js
+
+function main() {
+  // [START datalabeling_quickstart]
+  const {DataLabelingServiceClient} = require('@google-cloud/datalabeling');
+  const client = new DataLabelingServiceClient();
+
+  async function quickstart() {
+    const projectId = await client.getProjectId();
+    const parent = client.projectPath(projectId);
+    const [result] = await client.listDatasets({parent});
+    console.log('Datasets:');
+    console.log(result);
+  }
+  quickstart();
+  // [END datalabeling_quickstart]
+}
+main(...process.argv.slice(2));

datalabeling/test/.eslintrc.yml

@@ -1,4 +1,3 @@
 ---
-rules:
-  node/no-unpublished-require: off
-  no-empty: off
+env:
+  mocha: true

datalabeling/test/test.js

@@ -0,0 +1,27 @@
+// Copyright 2019 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
+//
+//     https://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.
+
+'use strict';
+
+const {assert} = require('chai');
+const {execSync} = require('child_process');
+
+const exec = cmd => execSync(cmd, {encoding: 'utf8'});
+
+describe('quickstart', () => {
+  it('should run the quickstart', () => {
+    const stdout = exec('node quickstart.js');
+    assert.include(stdout, 'Datasets:');
+  });
+});