0
@@ -220,7 +220,41 @@ module ThoughtBot # :nodoc:
0
             assert_does_not_contain(object.errors.on(attribute), long_message, "when set to \"#{max_value}\"")
0
           end
0
         end
0
-      end    
0
+      end  
0
+      
0
+     # Ensures that the length of the attribute is at least a certain length
0
+     # Requires an existing record
0
+     #
0
+     # Options:
0
+     # * <tt>:short_message</tt> - value the test expects to find in <tt>errors.on(:attribute)</tt>.  
0
+     #   Regexp or string.  Default = <tt>/short/</tt>
0
+     #
0
+     # Example:
0
+     #   should_ensure_length_at_least :name, 3
0
+     #
0
+     def should_ensure_length_at_least(attribute, min_length, opts = {})
0
+        short_message = get_options!([opts], :short_message)
0
+        short_message ||= /short/
0
+     
0
+        klass = model_class
0
+     
0
+        if min_length > 0
0
+          min_value = "x" * (min_length - 1)
0
+          should "not allow #{attribute} to be less than #{min_length} chars long" do
0
+            assert object = klass.find(:first), "Can't find first #{klass}"
0
+            object.send("#{attribute}=", min_value)
0
+            assert !object.save, "Saved #{klass} with #{attribute} set to \"#{min_value}\""
0
+            assert object.errors.on(attribute), "There are no errors set on #{attribute} after being set to \"#{min_value}\""
0
+            assert_contains(object.errors.on(attribute), short_message, "when set to \"#{min_value}\"")
0
+          end
0
+        end
0
+        should "allow #{attribute} to be at least #{min_length} chars long" do
0
+          valid_value = "x" * (min_length)
0
+          assert object = klass.find(:first), "Can't find first #{klass}"
0
+          object.send("#{attribute}=", valid_value)
0
+          assert object.save, "Could not save #{klass} with #{attribute} set to \"#{valid_value}\""
0
+        end
0
+      end
0
 
0
       # Ensure that the attribute is in the range specified
0
       # Requires an existing record

0
@@ -1,4 +1,6 @@
0
 class Tag < ActiveRecord::Base
0
   has_many :taggings
0
   has_many :posts, :through => :taggings
0
+  
0
+  validates_length_of :name, :minimum => 2
0
 end

0
@@ -5,4 +5,6 @@ class TagTest < Test::Unit::TestCase
0
 
0
   should_have_many :taggings
0
   should_have_many :posts
0
+  
0
+  should_ensure_length_at_least :name, 2
0
 end