Add forgotten files; Fix double loading errors.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4730 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/lib/active_support/dependencies.rb

@@ -51,11 +51,12 @@ module Dependencies #:nodoc:
 
   def require_or_load(file_name, const_path = nil)
     file_name = $1 if file_name =~ /^(.*)\.rb$/
-    return if loaded.include?(file_name)
+    expanded = File.expand_path(file_name)
+    return if loaded.include?(expanded)
 
     # Record that we've seen this file *before* loading it to avoid an
     # infinite loop with mutual dependencies.
-    loaded << file_name
+    loaded << expanded
 
     if load?
       begin
@@ -64,13 +65,13 @@ module Dependencies #:nodoc:
         load_args = ["#{file_name}.rb"]
         load_args << const_path unless const_path.nil?
         
-        if !warnings_on_first_load or history.include?(file_name)
+        if !warnings_on_first_load or history.include?(expanded)
           load_file(*load_args)
         else
           enable_warnings { load_file(*load_args) }
         end
       rescue
-        loaded.delete file_name
+        loaded.delete expanded
         raise
       end
     else
@@ -78,7 +79,7 @@ module Dependencies #:nodoc:
     end
 
     # Record history *after* loading so first load gets warnings.
-    history << file_name
+    history << expanded
   end
   
   # Is the provided constant path defined?
@@ -155,7 +156,7 @@ module Dependencies #:nodoc:
     name_error = NameError.new("uninitialized constant #{qualified_name}")
     
     file_path = search_for_autoload_file(path_suffix)
-    if file_path #&& ! loaded.include?(file_path) # We found a matching file to load
+    if file_path && ! loaded.include?(File.expand_path(file_path)) # We found a matching file to load
       require_or_load file_path, qualified_name
       raise LoadError, "Expected #{file_path} to define #{qualified_name}" unless from_mod.const_defined?(const_name)
       return from_mod.const_get(const_name)

activesupport/test/autoloading_fixtures/counting_loader.rb

@@ -0,0 +1,5 @@
+$counting_loaded_times ||= 0
+$counting_loaded_times += 1
+
+module CountingLoader
+end

activesupport/test/autoloading_fixtures/module_with_custom_const_missing/a/b.rb

@@ -0,0 +1 @@
+ModuleWithCustomConstMissing::A::B = "10"

activesupport/test/dependencies_test.rb

@@ -57,34 +57,35 @@ class DependenciesTest < Test::Unit::TestCase
       old_warnings, Dependencies.warnings_on_first_load = Dependencies.warnings_on_first_load, true
 
       filename = "#{File.dirname(__FILE__)}/dependencies/check_warnings"
+      expanded = File.expand_path(filename)
       $check_warnings_load_count = 0
 
-      assert !Dependencies.loaded.include?(filename)
-      assert !Dependencies.history.include?(filename)
+      assert !Dependencies.loaded.include?(expanded)
+      assert !Dependencies.history.include?(expanded)
 
       silence_warnings { require_dependency filename }
       assert_equal 1, $check_warnings_load_count
       assert_equal true, $checked_verbose, 'On first load warnings should be enabled.'
 
-      assert Dependencies.loaded.include?(filename)
+      assert Dependencies.loaded.include?(expanded)
       Dependencies.clear
-      assert !Dependencies.loaded.include?(filename)
-      assert Dependencies.history.include?(filename)
+      assert !Dependencies.loaded.include?(expanded)
+      assert Dependencies.history.include?(expanded)
 
       silence_warnings { require_dependency filename }
       assert_equal 2, $check_warnings_load_count
       assert_equal nil, $checked_verbose, 'After first load warnings should be left alone.'
 
-      assert Dependencies.loaded.include?(filename)
+      assert Dependencies.loaded.include?(expanded)
       Dependencies.clear
-      assert !Dependencies.loaded.include?(filename)
-      assert Dependencies.history.include?(filename)
+      assert !Dependencies.loaded.include?(expanded)
+      assert Dependencies.history.include?(expanded)
 
       enable_warnings { require_dependency filename }
       assert_equal 3, $check_warnings_load_count
       assert_equal true, $checked_verbose, 'After first load warnings should be left alone.'
 
-      assert Dependencies.loaded.include?(filename)
+      assert Dependencies.loaded.include?(expanded)
     end
   end
 
@@ -302,9 +303,9 @@ class DependenciesTest < Test::Unit::TestCase
   
   def test_const_missing_should_not_double_load
     with_loading 'autoloading_fixtures' do
-      require_dependency 'counting_loader'
+      require_dependency '././counting_loader'
       assert_equal 1, $counting_loaded_times
-      ModuleFolder
+      Dependencies.load_missing_constant Object, :CountingLoader
       assert_equal 1, $counting_loaded_times
     end
   end