Create watchers from Compass configuration.

lib/guard/compass.rb

@@ -1,5 +1,6 @@
 require 'guard'
 require 'guard/guard'
+require 'guard/watcher'
 require 'guard/reporter'
 
 require 'compass'
@@ -23,8 +24,9 @@ def initialize(watchers = [], options = {})
 
     # Compile all the sass|scss stylesheets
     def start
-      create_updater
       UI.info "Guard::Compass is watching at your stylesheets."
+      load_compass_configuration
+      create_updater
       true
     end
 
@@ -35,6 +37,7 @@ def stop
 
     # Reload the configuration
     def reload
+      load_compass_configuration
       create_updater
       true
     end
@@ -59,7 +62,8 @@ def perform
         end
       end
 
-      def create_updater
+      def load_compass_configuration
+        ::Compass.default_configuration
         if(options[:configuration_file])
           filepath = Pathname.new(options[:configuration_file])
           if(filepath.relative?)
@@ -72,6 +76,18 @@ def create_updater
             reporter.failure "Compass configuration file not found: " + filepath + "\nPlease check Guard configuration."
           end
         end
+
+        ::Compass.configuration.sass_dir ||= "#{options[:workdir]}/src"
+        watchers.clear
+        watchers.push Watcher.new("^#{ File.expand_path(::Compass.configuration.sass_dir, options[:workdir]) }/.*")
+        if(options[:configuration_file])
+          watchers.push Watcher.new("^#{options[:configuration_file]}$")
+        elsif conf_file = ::Compass.detect_configuration_file(options[:workdir])
+          watchers.push Watcher.new("^#{conf_file}$")
+        end
+      end
+
+      def create_updater
         @updater = ::Compass::Commands::UpdateProject.new(@options[:workdir] , @options)
         valid_sass_path?
       end

spec/guard/compass_spec.rb

@@ -2,27 +2,43 @@
 require 'spec_helper'
 require 'guard/compass'
 
+def create_fixture(name)
+  FileUtils.mkdir(TMP_PATH) if ! File.exists? TMP_PATH
+  @project_path = "#{TMP_PATH}/#{name}"
+  FileUtils.cp_r "#{FIXTURES_PATH}/#{name}", TMP_PATH
+  subject.options.merge!(:workdir => @project_path)
+end
+
+def remove_fixtures
+  FileUtils.rm_rf(TMP_PATH)
+end
+
 describe Guard::Compass do
-  subject { Guard::Compass.new }
-
-  it "has a reporter" do
-    subject.reporter.should_not be_nil
-  end
 
-  it "might be initialized with options" do
-    g = Guard::Compass.new([], :workdir => 'test', :configuration_file => 'test_also')
-    g.options[:workdir].should == 'test'
-    g.options[:configuration_file].should == 'test_also'
+  after :each do
+    ::Compass.reset_configuration!
   end
 
   describe "In a standard project" do
+    subject { Guard::Compass.new }
+
+    it "has a reporter" do
+      subject.reporter.should_not be_nil
+    end
+
+    it "might be initialized with options" do
+      g = Guard::Compass.new([], :workdir => 'test', :configuration_file => 'test_also')
+      g.options[:workdir].should == 'test'
+      g.options[:configuration_file].should == 'test_also'
+    end
 
     before :each do
       create_fixture(:compass_prj)
     end
 
     after :each do
       remove_fixtures
+      ::Compass.reset_configuration!
     end
 
     describe "start" do
@@ -52,6 +68,7 @@
 
       after :each do
         subject.stop
+        ::Compass.reset_configuration!
       end
 
       describe "the updater" do
@@ -91,13 +108,16 @@
   end
 
   describe "with custom configuration and locations" do
+    subject { Guard::Compass.new }
+
     before :each do
       create_fixture(:custom_config_file)
     end
 
     after :each do
       remove_fixtures
       subject.stop
+      ::Compass.reset_configuration!
     end
 
     it "configure Compass correctly with an absolute path" do
@@ -123,6 +143,8 @@
   end
 
   describe "without config file" do
+    subject { Guard::Compass.new }
+
     before :each do
       create_fixture(:no_config_file)
       subject.start
@@ -131,6 +153,7 @@
     after :each do
       remove_fixtures
       subject.stop
+      ::Compass.reset_configuration!
     end
 
     describe "run_on_change" do
@@ -144,6 +167,8 @@
   end
 
   describe "with a bad directory configuration" do
+    subject { Guard::Compass.new }
+
     before :each do
       create_fixture(:bad_src_directory)
       subject.reporter.stub!(:failure).with("Sass files src directory not found: #{@project_path}/src\nPlease check your Compass configuration.")
@@ -153,6 +178,7 @@
     after :each do
       remove_fixtures
       subject.stop
+      ::Compass.reset_configuration!
     end
 
     it "rebuilds failed to build sass" do
@@ -173,6 +199,7 @@
     after :each do
       subject.stop
       remove_fixtures
+      ::Compass.reset_configuration!
     end
 
     it "reports an error" do
@@ -184,15 +211,55 @@
 
   end
 
-private
-  def create_fixture(name)
-    FileUtils.mkdir(TMP_PATH) if ! File.exists? TMP_PATH
-    @project_path = "#{TMP_PATH}/#{name}"
-    FileUtils.cp_r "#{FIXTURES_PATH}/#{name}", TMP_PATH
-    subject.options.merge!(:workdir => @project_path)
-  end
-
-  def remove_fixtures
-    FileUtils.rm_rf(TMP_PATH)
+  describe "Watchers creation" do
+
+    after :each do
+      remove_fixtures
+      ::Compass.reset_configuration!
+    end
+
+    describe "in standard project" do
+      subject { 
+        Guard::Compass.new([], :workdir => "#{TMP_PATH}/compass_prj") 
+      }
+
+      before :each do
+        create_fixture :compass_prj
+      end
+
+      it "should have some watchers" do
+        subject.options.should eql :workdir => "#{TMP_PATH}/compass_prj"
+        subject.start
+        subject.watchers.size.should(eql(2), subject.watchers.inspect)
+        subject.watchers.first.pattern.should == "^#{@project_path}/src/.*"
+      end
+    end
+
+    describe "in customized project" do
+      subject { 
+        Guard::Compass.new([], :workdir => "#{TMP_PATH}/custom_config_file", :configuration_file => 'another_config_location/config.rb') 
+      }
+
+      before :each do
+        create_fixture :custom_config_file
+      end
+
+      it "should have some watchers" do
+        subject.start
+        subject.watchers.size.should(eql(2), subject.watchers.inspect)
+        subject.watchers.first.pattern.should == "^#{@project_path}/another_src_location/.*"
+      end
+    end
   end
 end
+
+def create_fixture(name)
+  FileUtils.mkdir(TMP_PATH) if ! File.exists? TMP_PATH
+  @project_path = "#{TMP_PATH}/#{name}"
+  FileUtils.cp_r "#{FIXTURES_PATH}/#{name}", TMP_PATH
+  subject.options.merge!(:workdir => @project_path)
+end
+
+def remove_fixtures
+  FileUtils.rm_rf(TMP_PATH)
+end