validation_support_test.rb in whyvalidationssuckin96-1.5.2

- old
+ new

@@ -2,92 +2,92 @@
 
 context "validation_support" do
 
   context "when mixed into a class supporting callbacks" do
     setup do
-      Class.new do 
+      Class.new do
         attr_reader :callbacks_run
-        
+
         def initialize
           @callbacks_run = []
         end
-        
+
         def run_callbacks(callback_name)
           @callbacks_run << callback_name
         end
-        
+
         include WhyValidationsSuckIn96::ValidationSupport
         setup_validations do
           validate(:foo) { pass }
         end
       end.new
     end
-    
+
     should "run the before_validation callback when calling valid?" do
       topic.callbacks_run.clear
       topic.valid?
       topic.callbacks_run
     end.includes(:before_validation)
-    
+
     should "run the after_validation callback when calling valid?" do
       topic.callbacks_run.clear
       topic.valid?
       topic.callbacks_run
     end.includes(:after_validation)
-    
+
   end # when mixed into a class supporting callbacks
-  
+
   context "when mixed into a class" do
     setup do
       Class.new { include WhyValidationsSuckIn96::ValidationSupport }
     end
-    
+
     should "add a 'validation_collection' method" do
       topic
     end.respond_to(:validation_collection)
-    
+
     should "add a 'setup_validations' method" do
       topic
     end.respond_to(:setup_validations)
-    
+
     should "add a 'valid?' instance method" do
       topic.new
     end.respond_to(:valid?)
-    
+
     should "add a 'invalid?' instance method" do
       topic.new
     end.respond_to(:invalid?)
-    
+
     should "add a 'failed_validations' instance method" do
       topic.new
     end.respond_to(:failed_validations)
-    
+
     should "add a 'passed_validations' instance method" do
       topic.new
     end.respond_to(:passed_validations)
-    
+
     should "add a 'all_validations' instance method" do
       topic.new
     end.respond_to(:all_validations)
-    
+
     should "have a ValidationCollection for all_validations" do
       topic.new.all_validations.instance_of?(WhyValidationsSuckIn96::ValidationCollection)
     end
 
     should "have an empty validation collection" do
       topic.validation_collection.size
     end.equals(0)
-    
+
     should "be valid when no validations have been defined" do
       topic.new.valid?
     end
-    
+
     should "not be invalid when no validations have been defined" do
       !topic.new.invalid?
     end
   end # mixed into a class
-  
+
   context "when mixed into a class and used to add a simple validation" do
     setup do
       Class.new do
         attr_accessor :title
         include WhyValidationsSuckIn96::ValidationSupport
@@ -97,61 +97,61 @@
             fail
           end
         end # setup_validations
       end   # Class.new
     end     # setup
-    
+
     should "have one validation in the validation_collection" do
       topic.validation_collection.size
     end.equals(1)
-    
+
     should "be able to reflect on the validation and find its name" do
       topic.validation_collection.first.first.name
     end.equals(:title_is_present)
-    
+
     should "be able to reflect on the validation and find its options" do
       topic.validation_collection.first.last
     end.equals(:example => "the number song", :message => "title must be present")
-    
+
     context "given an instance of the class" do
       setup { topic.new }
-      
+
       should "have one entry for all validations" do
         topic.all_validations.size
       end.equals(1)
-    
+
       should "have all the entries for all validations be validation instances" do
         topic.all_validations.all? { |validation| validation.kind_of?(WhyValidationsSuckIn96::Validation) }
       end
-    
+
       should "not be valid without a title" do
         topic.title = nil
         !topic.valid?
       end
-    
+
       should "be valid with a title" do
         topic.title = "building steam with a grain of salt"
         topic.valid?
       end
-    
+
       should "have one passed validation with a title" do
         topic.title = "building steam with a grain of salt"
         topic.valid?
         topic.passed_validations.size
       end.equals(1)
-      
+
       should "have one failed validation without a title" do
         topic.title = nil
         topic.valid?
         topic.failed_validations.size
       end.equals(1)
     end # given an instance of the class
   end   # when mixed into a class and used to add a simple validation
-  
+
   context "when extending a class with existing validations and adding new validations" do
     parent_class = child_class = nil
-    
+
     setup do
       parent_class = Class.new do
         attr_accessor :artist
         include WhyValidationsSuckIn96::ValidationSupport
         setup_validations do
@@ -159,47 +159,47 @@
             pass if validatable.artist && !validatable.artist.empty?
             fail
           end
         end # setup_validations
       end   # parent_class
-      
+
       child_class = Class.new(parent_class) do
         attr_accessor :title
         setup_validations do
           validate :title_is_present, :example => "the number song", :message => "title must be present" do
             pass if validatable.title && !validatable.title.empty?
             fail
           end
         end # setup_validations
       end   # child_class
     end     # setup
-    
+
     should "have only one validation in the collection for the base class" do
       parent_class.validation_collection.size
     end.equals(1)
-    
+
     should "have a validation for the artist in the base class" do
       parent_class.validation_collection.detect {|(validation, opts)| validation.name == :artist_is_present }
     end
-    
+
     should "have two validations in the collection for the child class" do
       child_class.validation_collection.size
     end.equals(2)
-    
+
     should "have a validation for the artist in the child class" do
       child_class.validation_collection.detect {|(validation, opts)| validation.name == :artist_is_present }
     end
-    
+
     should "have a validation for the title in the child class" do
       child_class.validation_collection.detect {|(validation, opts)| validation.name == :title_is_present }
     end
-    
+
   end   # when extending a class with existing validations
-  
+
   context "when extending a class with existing validations and not adding new validations" do
     parent_class = child_class = nil
-    
+
     setup do
       parent_class = Class.new do
         attr_accessor :artist
         include WhyValidationsSuckIn96::ValidationSupport
         setup_validations do
@@ -207,20 +207,20 @@
             pass if validatable.artist && !validatable.artist.empty?
             fail
           end
         end # setup_validations
       end   # parent_class
-      
+
       child_class = Class.new(parent_class)
     end     # setup
-    
+
     should "have the parent class' validations by default" do
       child_class.validation_collection.size
     end.equals(1)
-  
+
   end # when extending a class with existing validations and not adding new validations
-  
+
   context "when calling setup_validations twice in a class" do
     setup do
       Class.new do
         include WhyValidationsSuckIn96::ValidationSupport
         setup_validations do
@@ -229,20 +229,40 @@
         setup_validations do
           validate(:second_validation) {}
         end
       end   # Class.new
     end     # setup
-    
+
     should "add two validations to the class" do
       topic.validation_collection.size
     end.equals(2)
-    
+
     should "have the first validation" do
       topic.validation_collection.detect { |(validation, opts)| validation.name == :first_validation }
     end
-    
+
     should "have the second validation" do
       topic.validation_collection.detect { |(validation, opts)| validation.name == :second_validation }
     end
-    
+
   end # when calling setup_validations twice in a class
+
+  context "when asking for validations on a specific attribute" do
+    setup do
+      Class.new do
+        include WhyValidationsSuckIn96::ValidationSupport
+        setup_validations do
+          validates_presence_of :foo
+        end
+      end   # Class.new
+    end
+
+    should "return validations on an instance" do
+      topic.new.validations_for(:foo).size
+    end
+
+    should "return validations an empty array if no validations on attribute" do
+      topic.new.validations_for(:bar).size
+    end.equals(0)
+  end
+
 end   # validation_support