More step definitions

features/factory_girl_steps.feature

@@ -59,3 +59,18 @@ Feature: Use step definitions generated by factories
       | title   | author_id |
       | a title | 123       |
     And there should be 1 user
+
+  Scenario: create a user without attributes
+    Given a user exists
+    Then there should be 1 user
+
+  Scenario: create several users without attributes
+    Given 3 users exist
+    Then there should be 3 users
+
+  Scenario: create several users with one attribute
+    Given 3 users exist with a name of "John"
+    Then there should be 3 users
+    And I should find the following for the last user:
+      | name |
+      | John |

lib/factory_girl/step_definitions.rb

@@ -30,12 +30,24 @@ Factory.factories.values.each do |factory|
     end
   end
 
+  Given /^an? #{factory.human_name} exists$/ do
+    Factory(factory.factory_name)
+  end
+
+  Given /^(\d+) #{factory.human_name}s exist$/ do |count|
+    count.to_i.times { Factory(factory.human_name) }
+  end
+
   if factory.build_class.respond_to?(:columns)
     factory.build_class.columns.each do |column|
       human_column_name = column.name.downcase.gsub('_', ' ')
       Given /^an? #{factory.human_name} exists with an? #{human_column_name} of "([^"]*)"$/i do |value|
         Factory(factory.human_name, column.name => value)
       end
+
+      Given /^(\d+) #{factory.human_name}s exist with an? #{human_column_name} of "([^"]*)"$/i do |count, value|
+        count.to_i.times { Factory(factory.human_name, column.name => value) }
+      end
     end
   end
 end