Getting the tests functional and getting the plugin into functional shape.

Now... time to try with a real application!



git-svn-id: svn://hamptoncatlin.com/haml/branches/1.5dev@175 7063305b-7217-0410-af8c-cdc13e5119b9

init.rb

@@ -1,3 +1,4 @@
 require 'haml/template'
+require 'sass/plugin'
 
 ActionView::Base.register_template_handler('haml', Haml::Template)

lib/sass/engine.rb

@@ -3,6 +3,12 @@ require File.dirname(__FILE__) + '/css/parser'
 
 module Sass
   class Engine
+    def render_file(location)
+      @result = ""
+      File.open(location).each_line { |l| @result += l }
+      render(@result)
+    end
+    
     def render(input)
       buffer, stack, last_level, first = "", [], 0, true
       input.each do |line|

lib/sass/plugin.rb

@@ -1,27 +1,35 @@
 
+require File.dirname(__FILE__) + "/engine"
+
 #Rails plugin stuff. For use with action_view
 
 module Sass
   module Plugin
+    @@options = {}
 
-    def options
+    class << self
-      @@options
+      def options; @@options; end
-    end
 
-    def stylesheet_location
+      def _stylesheet_location
         @@options[:stylesheet_location] || (RAILS_ROOT + "/public/stylesheets/")
       end
 
-    def sass_template(name)
+      def _always_update
-      file_location = stylesheet_location + name
+        @@options[:always_update] || false
-      if stylesheet_needs_update?(file_location)
-        file = File.open(file_location + ".css")
-        Sass::Engine.new.render(file_location + ".sass")
-      end
       end
 
       def stylesheet_needs_update?(file_location)
         !File.exists?(file_location + ".css") || (File.mtime("#{file_location}.sass") - 60) > File.mtime("#{file_location}.css")
       end
     end
+
+    def sass_template(name)
+      file_location = Plugin._stylesheet_location + "/" + name.to_s
+      if Plugin._always_update || Plugin.stylesheet_needs_update?(file_location)
+        output_file = File.open(file_location + ".css", "w+")
+        output_file << Sass::Engine.new.render_file(file_location + ".sass")
+        output_file.close
+      end
+    end
+  end
 end

test/css/basic.css

@@ -0,0 +1,11 @@
+
+%body { font: Arial; background: blue; }
+
+#page { width: 700px; height: 100%; }
+#page #header { height: 300px; }
+#page #header %h1 { font-size: 50px; color: blue; }
+#page #header #content.user.show { }
+#page #header #content.user.show #container.top { }
+#page #header #content.user.show #container.top #column.left { width: 100px; }
+#page #header #content.user.show #container.top #column.right { width: 600px; }
+#page #header #content.user.show #container.top #container.bottom { background: brown; }

test/mocks/fake_controller.rb

@@ -0,0 +1,6 @@
+require File.dirname(__FILE__) + '/../../lib/sass/engine'
+require File.dirname(__FILE__) + '/../../lib/sass/plugin'
+
+class FakeController
+  include Sass::Plugin
+end

test/sass/basic.sass

@@ -0,0 +1,23 @@
+
+
+%body  
+  :font Arial
+  :background blue
+
+#page
+  :width 700px
+  :height 100%
+  #header
+    :height 300px
+    %h1
+      :font-size 50px
+      :color     blue
+
+#content.user.show
+  #container.top
+    #column.left
+      :width 100px
+    #column.right
+      :width 600px
+  #container.bottom
+    :background brown

test/sass_engine_test.rb

@@ -0,0 +1,28 @@
+#!/usr/bin/env ruby
+
+require 'test/unit'
+require File.dirname(__FILE__) + '/../lib/sass/engine'
+
+class SassEngineTest < Test::Unit::TestCase
+  def setup
+    @engine = Sass::Engine.new
+  end
+  
+  def test_basic_render
+    renders_correctly "basic"
+  end
+
+  def renders_correctly(name)
+    sass_file  = load_file(name, "sass")
+    css_file   = load_file(name, "css")
+    css_result = @engine.render(sass_file)
+    #puts css_result.collect { |a| a.inspect }.join("\n  ")
+    assert_equal css_file, css_result
+  end
+
+  def load_file(name, type = "sass")
+    @result = ''
+    File.new(File.dirname(__FILE__) + "/#{type}/#{name}.#{type}").each_line { |l| @result += l }
+    @result
+  end
+end

test/sass_plugin_test.rb

@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+
+require 'test/unit'
+require File.dirname(__FILE__) + '/../lib/sass/engine'
+require File.dirname(__FILE__) + '/../lib/sass/plugin'
+require File.dirname(__FILE__) + '/mocks/fake_controller'
+
+class SassPluginTest < Test::Unit::TestCase
+  def setup
+    Sass::Plugin.options[:stylesheet_location] = File.dirname(__FILE__) + '/sass'
+    Sass::Plugin.options[:always_update]       = true
+    @controller = FakeController.new
+  end
+  
+  def test_truth
+    @controller.instance_eval do
+      sass_template(:basic)
+    end
+
+    assert FileUtils.compare_file(File.dirname(__FILE__) + "/sass/basic.css",
+                                  File.dirname(__FILE__) + "/css/basic.css")
+    FileUtils.rm(File.dirname(__FILE__) + "/sass/basic.css")
+  end
+end