[WIP] adding default parameters for grpc options

lib/tshield/configuration.rb

@@ -30,7 +30,6 @@ class Configuration
     #
     attr_reader :request
     attr_reader :domains
-    attr_reader :grpc
     attr_reader :tcp_servers
     attr_reader :session_path
 
@@ -104,6 +103,11 @@ def read_session_path
       session_path || '/sessions'
     end
 
+    def grpc
+      defaults = { 'port' => 5678, 'proto_dir' => 'proto', 'services' => {} }
+      defaults.merge(@grpc || {})
+    end
+
     def self.get_url_for_domain_by_path(path, config)
       config['paths'].select { |pattern| path =~ Regexp.new(pattern) }[0]
     end

spec/tshield/configuration_spec.rb

@@ -78,4 +78,17 @@
       expect { TShield::Configuration.singleton }.to raise_error RuntimeError
     end
   end
+
+  context 'on config exists without grpc entry' do
+    before :each do
+      options_instance = double
+      allow(options_instance).to receive(:configuration_file)
+        .and_return('spec/tshield/fixtures/config/tshield-without-grpc.yml')
+      allow(TShield::Options).to receive(:instance).and_return(options_instance)
+      @configuration = TShield::Configuration.singleton
+    end
+    it 'should set default value for port' do
+      expect(@configuration.grpc).to eql('port' => 5678, 'proto_dir' => 'proto', 'services' => {})
+    end
+  end
 end