lib/truemail.rb in truemail-1.9.1 vs lib/truemail.rb in truemail-1.9.2

@@ -3,10 +3,11 @@
 require_relative 'truemail/core'
 
 module Truemail
   INCOMPLETE_CONFIG = 'verifier_email is required parameter'
   NOT_CONFIGURED = 'use Truemail.configure before or pass custom configuration'
+  INVALID_TYPE = 'email should be a String'
 
   class << self
     def configuration(&block)
       @configuration ||= begin
         return unless block_given?
@@ -23,24 +24,30 @@
     def reset_configuration!
       @configuration = nil
     end
 
     def validate(email, custom_configuration: nil, **options)
+      check_argument_type(email)
       Truemail::Validator.new(email, configuration: determine_configuration(custom_configuration), **options).run
     end
 
     def valid?(email, **options)
+      check_argument_type(email)
       validate(email, **options).result.valid?
     end
 
     def host_audit(custom_configuration: nil)
       Truemail::Auditor.new(configuration: determine_configuration(custom_configuration)).run
     end
 
     private
 
-    def raise_unless(condition, message)
-      raise Truemail::ConfigurationError, message unless condition
+    def raise_unless(condition, message, error_class = Truemail::ConfigurationError)
+      raise error_class, message unless condition
+    end
+
+    def check_argument_type(argument)
+      raise_unless(argument.is_a?(String), Truemail::INVALID_TYPE, Truemail::TypeError)
     end
 
     def determine_configuration(custom_configuration)
       current_configuration = custom_configuration || configuration
       raise_unless(current_configuration, Truemail::NOT_CONFIGURED)