feat: support apiEndpoint override in client constructor (#219)

Author: yoshi-automation

packages/google-cloud-bigquery-datatransfer/src/v1/data_transfer_service_client.js

@@ -58,14 +58,18 @@ class DataTransferServiceClient {
    *     API remote host.
    */
   constructor(opts) {
+    opts = opts || {};
     this._descriptors = {};
 
+    const servicePath =
+      opts.servicePath || opts.apiEndpoint || this.constructor.servicePath;
+
     // Ensure that options include the service address and port.
     opts = Object.assign(
       {
         clientConfig: {},
         port: this.constructor.port,
-        servicePath: this.constructor.servicePath,
+        servicePath,
       },
       opts
     );
@@ -200,6 +204,14 @@ class DataTransferServiceClient {
     return 'bigquerydatatransfer.googleapis.com';
   }
 
+  /**
+   * The DNS address for this API service - same as servicePath(),
+   * exists for compatibility reasons.
+   */
+  static get apiEndpoint() {
+    return 'bigquerydatatransfer.googleapis.com';
+  }
+
   /**
    * The port for this API service.
    */

packages/google-cloud-bigquery-datatransfer/synth.metadata

@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-05-21T11:08:45.880007Z",
+  "updateTime": "2019-06-05T14:13:40.674076Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.20.0",
-        "dockerImage": "googleapis/artman@sha256:3246adac900f4bdbd62920e80de2e5877380e44036b3feae13667ec255ebf5ec"
+        "version": "0.23.1",
+        "dockerImage": "googleapis/artman@sha256:9d5cae1454da64ac3a87028f8ef486b04889e351c83bb95e83b8fab3959faed0"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "32a10f69e2c9ce15bba13ab1ff928bacebb25160",
-        "internalRef": "249058354"
+        "sha": "47c142a7cecc6efc9f6f8af804b8be55392b795b",
+        "internalRef": "251635729"
       }
     },
     {

packages/google-cloud-bigquery-datatransfer/test/gapic-v1.js

@@ -23,6 +23,29 @@ const error = new Error();
 error.code = FAKE_STATUS_CODE;
 
 describe('DataTransferServiceClient', () => {
+  it('has servicePath', () => {
+    const servicePath =
+      bigqueryDataTransferModule.v1.DataTransferServiceClient.servicePath;
+    assert(servicePath);
+  });
+
+  it('has apiEndpoint', () => {
+    const apiEndpoint =
+      bigqueryDataTransferModule.v1.DataTransferServiceClient.apiEndpoint;
+    assert(apiEndpoint);
+  });
+
+  it('has port', () => {
+    const port = bigqueryDataTransferModule.v1.DataTransferServiceClient.port;
+    assert(port);
+    assert(typeof port === 'number');
+  });
+
+  it('should create a client with no options', () => {
+    const client = new bigqueryDataTransferModule.v1.DataTransferServiceClient();
+    assert(client);
+  });
+
   describe('getDataSource', () => {
     it('invokes getDataSource without error', done => {
       const client = new bigqueryDataTransferModule.v1.DataTransferServiceClient(