Add rake task to test authentication

app/processors/casino/processor_concern/authentication.rb

@@ -21,7 +21,7 @@ def validate_login_credentials(username, password)
 
       def authenticators
         @authenticators ||= begin
-          CASino.config.authenticators.each do |name, auth|
+          CASino.config[:authenticators].each do |name, auth|
             next unless auth.is_a?(Hash)
 
             authenticator = if auth[:class]
@@ -30,7 +30,7 @@ def authenticators
               load_authenticator(auth[:authenticator])
             end
 
-            CASino.config.authenticators[name] = authenticator.new(auth[:options])
+            CASino.config[:authenticators][name] = authenticator.new(auth[:options])
           end
         end
       end

lib/casino/tasks/authentication.rake

@@ -0,0 +1,29 @@
+require 'io/console'
+
+namespace :casino do
+  namespace :authentication do
+    desc 'Test authentication.'
+    task test: :environment do |task, args|
+      include CASino::ProcessorConcern::Authentication
+      print "Username: "
+      username = STDIN.gets.chomp
+      print "Password (won't be shown): "
+      password = STDIN.noecho(&:gets).chomp
+      2.times { puts }
+      puts "Testing credentials against #{authenticators.length} authenticators"
+      authenticators.each do |authenticator_name, authenticator|
+        puts "'#{authenticator_name}' (#{authenticator.class}):"
+        print '  '
+        begin
+          if data = authenticator.validate(username, password)
+            p data
+          else
+            puts "Invalid credentials"
+          end
+        rescue CASino::Authenticator::AuthenticatorError => e
+          puts "#{e}"
+        end
+      end
+    end
+  end
+end