more filter separation

Makefile

@@ -0,0 +1,4 @@
+.PHONY : test
+
+test :
+	testrb -b tests/*

classes/Filter.rb

@@ -1,7 +1,4 @@
-require 'singleton'
-
 class Filter
-  include Singleton
   @config = {}
   @cleanup = []
 

classes/InputFilter.rb

@@ -0,0 +1,5 @@
+require 'filter'
+
+class InputFilter < Filter
+  OutputFilename = "tmp.png"
+end

classes/OutputFilter.rb

@@ -0,0 +1,17 @@
+require File.dirname(__FILE__) + '/Filter.rb'
+
+class OutputFilter < Filter
+  #
+  # get the output filename for this filter
+  #
+  def filename(info)
+    target = @config['target']
+    info.each { |k,v| target = target.gsub("{#{k}}", v.to_s) }
+    target
+  end
+
+  #
+  # get the output targets for this filter
+  #
+  def targets(info); filename(info); end
+end

minicomic-backend.rb

@@ -3,10 +3,8 @@
 require 'yaml'
 require 'time'
 
-require File.dirname(__FILE__) + '/classes/Filter.rb'
-
-class InputFilter < Filter
-  OutputFilename = "tmp.png"
+Dir[File.dirname(__FILE__) + "/classes/*.rb"].each do |file|
+  require file
 end
 
 class OutputFilter < Filter

tests/TestFilter.rb

@@ -1,5 +1,3 @@
-#!/usr/bin/ruby
-
 require 'rubygems'
 require 'test/unit'
 require 'mockfs/override'

tests/TestOutputFilter.rb

@@ -0,0 +1,17 @@
+require 'rubygems'
+require 'test/unit'
+require 'mocha'
+require File.dirname(__FILE__) + '/../classes/OutputFilter.rb'
+
+class TestOutputFilter < Test::Unit::TestCase
+  def setup
+    @of = OutputFilter.new
+    @of.stubs(:recalc_pixels)
+  end
+
+  def test_filename
+    @of.config = { 'target' => 'test{test}{test2}test3' }
+    assert_equal 'testtest4test5test3', @of.filename({ 'test' => 'test4', 'test2' => 'test5' })
+  end
+end
+

tests/TestScheduler.rb

@@ -1,5 +1,3 @@
-#!/usr/bin/ruby
-
 require 'rubygems'
 require 'test/unit'
 require File.dirname(__FILE__) + '/../classes/Scheduler.rb'