implement dynamic destinations

lib/sortah/cleanroom.rb

@@ -32,7 +32,11 @@ def run!(component)
     end
 
     def send_to(dest)
-      @pointer = @__context__.routers[dest] || @__context__.destinations[dest]
+      @pointer = if dest.is_a? Hash
+        Destination.dynamic(dest[:dynamic])
+      else
+        @__context__.routers[dest] || @__context__.destinations[dest]
+      end
       throw :finished_execution 
     end
 

lib/sortah/components/destination.rb

@@ -15,6 +15,10 @@ def [](key)
   class Destination
     attr_reader :name, :path
 
+    def self.dynamic(path)
+      Destination.new(nil, path)
+    end
+
     def initialize(name, path)
       @name = name
       @path = if path.class == Hash then path[:abs] else path end

spec/semantic_spec.rb

@@ -74,20 +74,16 @@ def basic_sortah_definition
     end
 
     describe "#sort" do
-      it "should return an object which responds to #destination" do
-        basic_sortah_definition
-        sortah.sort(@email).should respond_to :destination
-      end
-
-      it "should return an object which responds to #metadata" do
-        basic_sortah_definition
-        sortah.sort(@email).should respond_to :metadata
-      end
-
-      it "should sort emails based on the sortah definitions" do
-        basic_sortah_definition
-        sortah.sort(@email).destination.should == "foo/"
-        sortah.sort(@reply_email).destination.should == "bar/"
+      context "when using sortah#sort, " do
+        subject { basic_sortah_definition; sortah.sort(@email) }
+        it { should respond_to :destination }
+        it { should respond_to :metadata } 
+
+        subject { basic_sortah_definition; sortah }
+        it "should sort emails based on the sortah definitions" do
+          subject.sort(@email).destination.should == "foo/"
+          subject.sort(@reply_email).destination.should == "bar/"
+        end
       end
 
       it "should defer to a second router if it is sent to one" do
@@ -341,7 +337,16 @@ def basic_sortah_definition
             end
           end
           sortah.sort(@email).full_destination.should == "/tmp/foo/"
-
+        end
+
+        it "should return the correct path when using a dynamic destination" do
+          sortah do
+            maildir '/tmp/'
+            router do
+              send_to :dynamic => "foo.bar.baz"
+            end
+          end
+          sortah.sort(@email).full_destination.should == "/tmp/foo.bar.baz"
         end
       end