Merge branch 'cache-bug-fix' into stable

lib/sass/engine.rb

@@ -12,7 +12,7 @@ require 'sass/tree/if_node'
 require 'sass/tree/while_node'
 require 'sass/tree/for_node'
 require 'sass/tree/debug_node'
-require 'sass/tree/file_node'
+require 'sass/tree/import_node'
 require 'sass/environment'
 require 'sass/script'
 require 'sass/error'
@@ -227,21 +227,23 @@ END
 
     def build_tree(parent, line, root = false)
       @line = line.index
-      node = parse_line(parent, line, root)
+      node_or_nodes = parse_line(parent, line, root)
 
-      # Node is a symbol if it's non-outputting, like a variable assignment,
-      # or an array if it's a group of nodes to add
-      return node unless node.is_a? Tree::Node
+      Array(node_or_nodes).each do |node|
+        # Node is a symbol if it's non-outputting, like a variable assignment
+        next unless node.is_a? Tree::Node
 
-      node.line = line.index
-      node.filename = line.filename
+        node.line = line.index
+        node.filename = line.filename
 
-      if node.is_a?(Tree::CommentNode)
-        node.lines = line.children
-      else
-        append_children(node, line.children, false)
+        if node.is_a?(Tree::CommentNode)
+          node.lines = line.children
+        else
+          append_children(node, line.children, false)
+        end
       end
-      return node
+
+      node_or_nodes
     end
 
     def append_children(parent, children, root)
@@ -279,7 +281,7 @@ END
         case child
         when Tree::MixinDefNode
           raise SyntaxError.new("Mixins may only be defined at the root of a document.", line.index)
-        when Tree::DirectiveNode, Tree::FileNode
+        when Tree::ImportNode
           raise SyntaxError.new("Import directives may only be used at the root of a document.", line.index)
         end
       end
@@ -365,7 +367,7 @@ END
       # it's a CSS @import rule and we don't want to touch it.
       if directive == "import" && value !~ /^(url\(|")/
         raise SyntaxError.new("Illegal nesting: Nothing may be nested beneath import directives.", @line + 1) unless line.children.empty?
-        import(value)
+        value.split(/,\s*/).map {|f| Tree::ImportNode.new(f)}
       elsif directive == "for"
         parse_for(line, root, value)
       elsif directive == "else"
@@ -470,27 +472,5 @@ END
       offset = options[:offset] || 0
       Script.parse(script, line, offset, @options[:filename])
     end
-
-    def import_paths
-      paths = (@options[:load_paths] || []).dup
-      paths.unshift(File.dirname(@options[:filename])) if @options[:filename]
-      paths
-    end
-
-    def import(files)
-      files.split(/,\s*/).map do |filename|
-        engine = nil
-
-        begin
-          filename = Sass::Files.find_file_to_import(filename, import_paths)
-        rescue Exception => e
-          raise SyntaxError.new(e.message, @line)
-        end
-
-        next Tree::DirectiveNode.new("@import url(#{filename})") if filename =~ /\.css$/
-
-        Tree::FileNode.new(filename)
-      end.flatten
-    end
   end
 end

lib/sass/tree/directive_node.rb

@@ -5,10 +5,7 @@ module Sass::Tree
   # only CSS directives like `@media` and `@font-face` become {DirectiveNode}s.
   #
   # `@import` is a bit of a weird case;
-  # if it's importing a Sass file,
-  # it becomes a {FileNode},
-  # but if it's importing a plain CSS file,
-  # it becomes a {DirectiveNode}.
+  # it becomes an {ImportNode}.
   #
   # @see Sass::Tree
   class DirectiveNode < Node

lib/sass/tree/import_node.rb

@@ -3,10 +3,10 @@ module Sass
     # A static node that wraps the {Sass::Tree} for an `@import`ed file.
     # It doesn't have a functional purpose other than to add the `@import`ed file
     # to the backtrace if an error occurs.
-    class FileNode < Node
-      # @param filename [String] The name of the imported file
-      def initialize(filename)
-        @filename = filename
+    class ImportNode < Node
+      # @param imported_filename [String] The name of the imported file
+      def initialize(imported_filename)
+        @imported_filename = imported_filename
         super()
       end
 
@@ -30,12 +30,36 @@ module Sass
       # @param environment [Sass::Environment] The lexical environment containing
       #   variable and mixin values
       def perform!(environment)
-        self.children = Sass::Files.tree_for(filename, @options).children
+        return unless full_filename = import
+        self.children = Sass::Files.tree_for(full_filename, @options).children
         self.children = perform_children(environment)
       rescue Sass::SyntaxError => e
         e.add_backtrace_entry(@filename)
         raise e
       end
+
+      private
+
+      def import_paths
+        paths = (@options[:load_paths] || []).dup
+        paths.unshift(File.dirname(@options[:filename])) if @options[:filename]
+        paths
+      end
+
+      def import
+        begin
+          full_filename = Sass::Files.find_file_to_import(@imported_filename, import_paths)
+        rescue Exception => e
+          raise SyntaxError.new(e.message, self.line)
+        end
+
+        if full_filename =~ /\.css$/
+          @to_s = "@import url(#{full_filename});"
+          return false
+        end
+
+        return full_filename
+      end
     end
   end
 end

test/sass/engine_test.rb

@@ -126,8 +126,8 @@ class SassEngineTest < Test::Unit::TestCase
                  render("p\n\ta: b\n\tq\n\t\tc: d\n"))
   end
   
-  def test_exceptions
-    EXCEPTION_MAP.each do |key, value|
+  EXCEPTION_MAP.each do |key, value|
+    define_method("test_exception (#{key.inspect})") do
       line = 10
       begin
         Sass::Engine.new(key, :filename => __FILE__, :line => line).render

test/sass/plugin_test.rb

@@ -34,7 +34,7 @@ class SassPluginTest < Test::Unit::TestCase
   end
 
   def test_update_needed_when_modified
-    sleep(1)
+    sleep 1
     FileUtils.touch(template_loc('basic'))
     assert Sass::Plugin.stylesheet_needs_update?('basic', template_loc, tempfile_loc)
     Sass::Plugin.update_stylesheets
@@ -42,7 +42,7 @@ class SassPluginTest < Test::Unit::TestCase
   end
 
   def test_update_needed_when_dependency_modified
-    sleep(1)
+    sleep 1
     FileUtils.touch(template_loc('basic'))
     assert Sass::Plugin.stylesheet_needs_update?('import', template_loc, tempfile_loc)
     Sass::Plugin.update_stylesheets
@@ -122,6 +122,21 @@ class SassPluginTest < Test::Unit::TestCase
     assert !File.exists?(tempfile_loc('_partial'))
   end
 
+  ## Regression
+
+  def test_cached_dependencies_update
+    FileUtils.mv(template_loc("basic"), template_loc("basic", "more_"))
+    set_plugin_opts :load_paths => [result_loc, template_loc(nil, "more_")]
+
+    sleep 1
+    FileUtils.touch(template_loc("basic", "more_"))
+    assert Sass::Plugin.stylesheet_needs_update?("import", template_loc, tempfile_loc)
+    Sass::Plugin.update_stylesheets
+    assert_renders_correctly("import")
+  ensure
+    FileUtils.mv(template_loc("basic", "more_"), template_loc("basic"))
+  end
+
  private
 
   def assert_renders_correctly(*arguments)
@@ -182,6 +197,11 @@ class SassPluginTest < Test::Unit::TestCase
       :always_update => true,
     }.merge(overrides)
   end
+
+  def wait_a_tick
+    time = Time.now
+    loop {break if Time.now.sec != time.sec}
+  end
 end
 
 module Sass::Plugin

test/sass/templates/import.sass

@@ -3,7 +3,7 @@
 =premixin
   pre-mixin: here
 
-@import importee, basic, basic.css, ../results/complex.css, partial
+@import importee.sass, basic.sass, basic.css, ../results/complex.css, partial.sass
 
 nonimported
   :myconst = !preconst