moved test files to a more sain structure

test/units/sprites/base_test.rb

@@ -10,8 +10,12 @@ class SpritesBaseTest < Test::Unit::TestCase
     config.images_path = @images_tmp_path
     Compass.add_configuration(config)
     Compass.configure_sass_plugin!
-    options = Compass.sass_engine_options.extend Compass::SassExtensions::Functions::Sprites::VariableReader
-    @map = Compass::SpriteMap.new("selectors/*.png", options)
+    @options = Compass.sass_engine_options.extend Compass::SassExtensions::Functions::Sprites::VariableReader
+    setup_map
+  end
+  
+  def setup_map
+    @map = Compass::SpriteMap.new("selectors/*.png", @options)
     @base = Compass::SassExtensions::Sprites::Base.new(@map.sprite_names.map{|n| "selectors/#{n}.png"}, @map, @map.sass_engine, @map.options)
   end
 
@@ -70,4 +74,17 @@ class SpritesBaseTest < Test::Unit::TestCase
     assert !@base.outdated?
   end
   
+  it "should remove old sprite when generating new" do
+    @base.generate
+    file = @base.filename
+    assert File.exists?(file), "Original file does not exist"
+    file_to_remove = File.join(@images_tmp_path, 'selectors', 'ten-by-ten.png')
+    FileUtils.rm file_to_remove
+    assert !File.exists?(file_to_remove), "Failed to remove sprite file"
+    @options["remove_old_sprites"] = true
+    setup_map
+    @base.generate
+    assert !File.exists?(file), "Sprite file did not get removed"
+  end
+  
 end