test/sass/importer_test.rb in sass-3.2.0.alpha.7 vs test/sass/importer_test.rb in sass-3.2.0.alpha.8

@@ -1,9 +1,11 @@
 #!/usr/bin/env ruby
 require File.dirname(__FILE__) + '/../test_helper'
 require File.dirname(__FILE__) + '/test_helper'
 
+require 'sass/plugin'
+
 class ImporterTest < Test::Unit::TestCase
   
   class FruitImporter < Sass::Importers::Base
     def find(name, context = nil)
       if name =~ %r{fruits/(\w+)(\.s[ac]ss)?}
@@ -36,10 +38,76 @@
     def extensions
       {"sscs" => :scss, "ssas" => :sass}
     end
   end
 
+  # This importer maps one import to another import
+  # based on the mappings passed to importer's constructor.
+  class IndirectImporter < Sass::Importers::Base
+    def initialize(mappings, mtimes)
+      @mappings = mappings
+      @mtimes = mtimes
+    end
+    def find_relative(uri, base, options)
+      nil
+    end
+    def find(name, options)
+      if @mappings.has_key?(name)
+        Sass::Engine.new(
+          %Q[@import "#{@mappings[name]}";],
+          options.merge(
+            :filename => name,
+            :syntax => :scss,
+            :importer => self
+          )
+        )
+      end
+    end
+    def mtime(uri, options)
+      @mtimes.fetch(uri, @mtimes.has_key?(uri) ? Time.now : nil)
+    end
+    def key(uri, options)
+      [self.class.name, uri]
+    end
+    def to_s
+      "IndirectImporter(#{@mappings.keys.join(", ")})"
+    end
+  end
+
+  # This importer maps the import to single class
+  # based on the mappings passed to importer's constructor.
+  class ClassImporter < Sass::Importers::Base
+    def initialize(mappings, mtimes)
+      @mappings = mappings
+      @mtimes = mtimes
+    end
+    def find_relative(uri, base, options)
+      nil
+    end
+    def find(name, options)
+      if @mappings.has_key?(name)
+        Sass::Engine.new(
+          %Q[.#{name}{#{@mappings[name]}}],
+          options.merge(
+            :filename => name,
+            :syntax => :scss,
+            :importer => self
+          )
+        )
+      end
+    end
+    def mtime(uri, options)
+      @mtimes.fetch(uri, @mtimes.has_key?(uri) ? Time.now : nil)
+    end
+    def key(uri, options)
+      [self.class.name, uri]
+    end
+    def to_s
+      "ClassImporter(#{@mappings.keys.join(", ")})"
+    end
+  end
+
   def test_can_resolve_generated_imports
     scss_file = %Q{
       $pear-color: green;
       @import "fruits/apple"; @import "fruits/orange"; @import "fruits/pear";
       .apple { @include apple; }
@@ -76,7 +144,42 @@
 CSS
     options = {:style => :compact, :load_paths => [ReversedExtImporter.new(absolutize("tmp"))], :syntax => :scss}
     assert_equal css_file, Sass::Engine.new(scss_file, options).render
   ensure
     FileUtils.rm_rf(absolutize("tmp"))
+  end
+
+  def test_staleness_check_across_importers
+    file_system_importer = Sass::Importers::Filesystem.new(fixture_dir)
+    # Make sure the first import is older
+    indirect_importer = IndirectImporter.new({"apple" => "pear"}, {"apple" => Time.now - 1})
+    # Make css file is newer so the dependencies are the only way for the css file to be out of date.
+    FileUtils.touch(fixture_file("test_staleness_check_across_importers.css"))
+    # Make sure the first import is older
+    class_importer = ClassImporter.new({"pear" => %Q{color: green;}}, {"pear" => Time.now + 1})
+
+    options = {
+      :style => :compact,
+      :filename => fixture_file("test_staleness_check_across_importers.scss"),
+      :importer => file_system_importer,
+      :load_paths => [file_system_importer, indirect_importer, class_importer],
+      :syntax => :scss
+    }
+
+    assert_equal File.read(fixture_file("test_staleness_check_across_importers.css")),
+                 Sass::Engine.new(File.read(fixture_file("test_staleness_check_across_importers.scss")), options).render
+
+    checker = Sass::Plugin::StalenessChecker.new(options)
+
+    assert checker.stylesheet_needs_update?(
+      fixture_file("test_staleness_check_across_importers.css"),
+      fixture_file("test_staleness_check_across_importers.scss"),
+      file_system_importer
+    )
+  end
+  def fixture_dir
+    File.join(File.dirname(__FILE__), "fixtures")
+  end
+  def fixture_file(path)
+    File.join(fixture_dir, path)
   end
 end