From 6fd05c1ef8dfb495bf16805f541c94aac132df84 Mon Sep 17 00:00:00 2001
From: Matt Broadstone <mbroadst@gmail.com>
Date: Sat, 6 Jan 2018 11:53:50 -0500
Subject: [PATCH] feat(collection): expose `dbName` property of collection

NODE-1242
---
 lib/collection.js                   |  7 +++++++
 test/functional/collection_tests.js | 24 ++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/lib/collection.js b/lib/collection.js
index a0d4f44ccf..2d70e6e003 100644
--- a/lib/collection.js
+++ b/lib/collection.js
@@ -143,6 +143,13 @@ var Collection = function(db, topology, dbName, name, pkFactory, options) {
 
 var define = (Collection.define = new Define('Collection', Collection, false));
 
+Object.defineProperty(Collection.prototype, 'dbName', {
+  enumerable: true,
+  get: function() {
+    return this.s.dbName;
+  }
+});
+
 Object.defineProperty(Collection.prototype, 'collectionName', {
   enumerable: true,
   get: function() {
diff --git a/test/functional/collection_tests.js b/test/functional/collection_tests.js
index 2127b22730..b9a38caeff 100644
--- a/test/functional/collection_tests.js
+++ b/test/functional/collection_tests.js
@@ -1556,4 +1556,28 @@ describe('Collection', function() {
       });
     }
   });
+
+  /**
+   * @ignore
+   */
+  it('should provide access to the database name', {
+    metadata: {
+      requires: { topology: ['single'] }
+    },
+
+    test: function() {
+      var self = this;
+      var client = self.configuration.newClient(self.configuration.writeConcernMax(), {
+        poolSize: 1
+      });
+
+      return client
+        .connect()
+        .then(client => client.db('test_db').createCollection('test1'))
+        .then(coll => {
+          expect(coll.dbName).to.equal('test_db');
+          return client.close();
+        });
+    }
+  });
 });