MONGOID-5819 Do not pass the :database option when creating a client (#5886)

* MONGOID-5819 Do not pass the :database option when creating a client

The option is already accounted for via the `#use` method.

* fix failing specs

Author: jamis

lib/mongoid/persistence_context.rb

@@ -117,12 +117,15 @@ def database_name
     def client
       @client ||= begin
         client = Clients.with_name(client_name)
+        options = client_options
+
         if database_name_option
           client = client.use(database_name)
+          options = options.except(:database, 'database')
         end
-        unless client_options.empty?
-          client = client.with(client_options)
-        end
+
+        client = client.with(options) unless options.empty?
+
         client
       end
     end

spec/mongoid/clients/options_spec.rb

@@ -27,7 +27,7 @@
       let(:options) { { database: 'other' } }
 
       it 'sets the options on the client' do
-        expect(persistence_context.client.options['database']).to eq(options[:database])
+        expect(persistence_context.client.options['database'].to_s).to eq(options[:database].to_s)
       end
 
       it 'does not set the options on class level' do
@@ -319,7 +319,7 @@
       end
 
       it 'sets the options on the client' do
-        expect(persistence_context.client.options['database']).to eq(options[:database])
+        expect(persistence_context.client.options['database'].to_s).to eq(options[:database].to_s)
       end
 
       it 'does not set the options on instance level' do

spec/mongoid/persistence_context_spec.rb

@@ -536,6 +536,20 @@
         end
       end
     end
+
+    context 'when the database is specified as a proc' do
+      let(:options) { { database: ->{ 'other' } } }
+
+      after { persistence_context.client.close }
+
+      it 'evaluates the proc' do
+        expect(persistence_context.database_name).to eq(:other)
+      end
+
+      it 'does not pass the proc to the client' do
+        expect(persistence_context.client.database.name).to eq('other')
+      end
+    end
   end
 
   describe '#client' do
@@ -608,6 +622,23 @@
       end
     end
 
+    context 'when the client is set as a proc in the storage options' do
+      let(:options) { {} }
+
+      before do
+        Band.store_in client: ->{ :alternative }
+      end
+
+      after do
+        persistence_context.client.close
+        Band.store_in client: nil
+      end
+
+      it 'uses the client option' do
+        expect(persistence_context.client).to eq(Mongoid::Clients.with_name(:alternative))
+      end
+    end
+
     context 'when there is no client option set' do
 
       let(:options) do