client.rb in oi-api-ruby-0.1.2

- old
+ new

@@ -7,10 +7,11 @@
 require 'oi_api/client/balances'
 require 'oi_api/client/offers'
 require 'oi_api/client/data_transfers'
 require 'oi_api/client/auto_responders'
 require 'oi_api/client/reports'
+require 'oi_api/errors'
 
 module OiApi
 
   class Client
 
@@ -35,9 +36,13 @@
 
       # Copy the merged values to this client and ignore those
       # not part of our configuration
       OiApi::Configuration::VALID_CONFIG_KEYS.each do |key|
         public_send("#{key}=", merged_options[key])
+      end
+
+      if username.nil? || password.nil?
+        raise NoCredentialsError, 'you must provide a username and password'
       end
 
       # set base_uri and format via HTTParty class methods
       self.class.base_uri(api_endpoint)
       self.class.format(format)