Merge pull request #750 from mattberther/scram-support

add ability to specify SCRAM-SHA-1 as authMechanism on uri

Author: estolfo

lib/mongo/uri.rb

@@ -168,9 +168,10 @@ class URI
     #
     # @since 2.0.0
     AUTH_MECH_MAP = {
-      'PLAIN'      => :plain,
-      'MONGODB-CR' => :mongodb_cr,
-      'GSSAPI'     => :gssapi
+      'PLAIN'       => :plain,
+      'MONGODB-CR'  => :mongodb_cr,
+      'GSSAPI'      => :gssapi,
+      'SCRAM-SHA-1' => :scram
     }.freeze
 
     # Options that are allowed to appear more than once in the uri.

spec/mongo/uri_spec.rb

@@ -524,11 +524,19 @@
         let(:mechanism) { 'GSSAPI' }
         let(:expected) { :gssapi }
 
-
         it 'sets the auth mechanism to :gssapi' do
           expect(uri.uri_options[:auth_mech]).to eq(expected)
         end
       end
+
+      context 'scram-sha-1' do
+        let(:mechanism) { 'SCRAM-SHA-1' }
+        let(:expected) { :scram }
+
+        it 'sets the auth mechanism to :scram' do
+          expect(uri.uri_options[:auth_mech]).to eq(expected)
+        end
+      end
     end
 
     context 'auth source provided' do