updated cluster links and option handling

README.md

@@ -126,7 +126,7 @@ job.getQueryResults().on('data', function(row) {});
 - [API Documentation][gcloud-bigtable-docs]
 - [Official Documentation][cloud-bigtable-docs]
 
-*You may need to [create a cluster][gcloud-bigtable-cluster] to use the Google Cloud Bigtable API with your project.*
+*You may need to [create a cluster][cloud-bigtable-cluster] to use the Google Cloud Bigtable API with your project.*
 
 #### Preview
 
@@ -740,7 +740,7 @@ Apache 2.0 - See [COPYING](COPYING) for more information.
 [cloud-bigquery-docs]: https://cloud.google.com/bigquery/what-is-bigquery
 
 [cloud-bigtable-docs]: https://cloud.google.com/bigtable/docs/
-[cloud-bigtable-cluster]: https://cloud.google.com/bigtable/docs/creating-cluster
+[cloud-bigtable-cluster]: https://cloud.google.com/bigtable/docs/creating-compute-instance
 
 [cloud-compute-docs]: https://cloud.google.com/compute/docs
 

lib/bigtable/index.js

@@ -24,6 +24,7 @@ var googleProtoFiles = require('google-proto-files');
 var is = require('is');
 var nodeutil = require('util');
 var format = require('string-format-obj');
+var extend = require('extend');
 
 /**
  * @type {module:bigtable/table}
@@ -56,7 +57,7 @@ var util = require('../common/util.js');
  * To learn more about Bigtable, read the
  * [Google Cloud Bigtable Concepts Overview](https://cloud.google.com/bigtable/docs/concepts)
  *
- * @resource [Creating a Cloud Bigtable Cluster]{@link https://cloud.google.com/bigtable/docs/creating-cluster}
+ * @resource [Creating a Cloud Bigtable Cluster]{@link https://cloud.google.com/bigtable/docs/creating-compute-instance}
  *
  * @param {object=} options - [Configuration object](#/docs).
  * @param {string} options.cluster - The cluster name that hosts your tables.
@@ -80,7 +81,7 @@ var util = require('../common/util.js');
  * // Before you create your table, you first need to create a Bigtable Cluster
  * // for the table to be served from. This can be done from either the
  * // Google Cloud Platform Console or the `gcloud` cli tool. Please refer to
- * // the <a href="https://cloud.google.com/bigtable/docs/creating-cluster">
+ * // the <a href="https://cloud.google.com/bigtable/docs/creating-compute-instance">
  * // official Bigtable documentation</a> for more information.
  * //-
  *
@@ -280,11 +281,9 @@ function Bigtable(options) {
     return new Bigtable(options);
   }
 
-  options = {
-    projectId: options.projectId,
-    zone: options.zone.name || options.zone,
-    cluster: options.cluster
-  };
+  options = extend({}, options, {
+    zone: options.zone.name || options.zone
+  });
 
   this.clusterName = format(
     'projects/{projectId}/zones/{zone}/clusters/{cluster}',

test/bigtable/index.js

@@ -110,6 +110,24 @@ describe('Bigtable', function() {
       fakeUtil.normalizeArguments = normalizeArguments;
     });
 
+    it('should leave the original options unaltered', function() {
+      var fakeOptions = {
+        a: 'a',
+        b: 'b',
+        c: 'c',
+        zone: 'zone'
+      };
+
+      var bigtable = new Bigtable(fakeOptions);
+      var options = bigtable.calledWith_[1];
+
+      for (var option in fakeOptions) {
+        assert.strictEqual(fakeOptions[option], options[option]);
+      }
+
+      assert.notStrictEqual(fakeOptions, options);
+    });
+
     it('should localize the cluster name', function() {
       assert.strictEqual(bigtable.clusterName, CLUSTER_NAME);
     });