Print all the files!

Gemfile

@@ -11,3 +11,5 @@ platform :ruby do
   gem 'pry'
   gem 'pry-debugger'
 end
+
+gem "cocaine", :path => "/Users/jyurek/Development/cocaine"

test/content_type_detector_test.rb

@@ -8,6 +8,7 @@ class ContentTypeDetectorTest < Test::Unit::TestCase
   should 'return the empty content type when the file is empty' do
     tempfile = Tempfile.new("empty")
     assert_equal "inode/x-empty", Paperclip::ContentTypeDetector.new(tempfile.path).detect
+    tempfile.close
   end
 
   should 'return content type of file if it is an acceptable type' do

test/file_command_content_type_detector_test.rb

@@ -7,6 +7,8 @@ class FileCommandContentTypeDetectorTest < Test::Unit::TestCase
     tempfile.rewind
 
     assert_equal "text/plain", Paperclip::FileCommandContentTypeDetector.new(tempfile.path).detect
+
+    tempfile.close
   end
 
   should 'return a sensible default when the file command is missing' do

test/helper.rb

@@ -41,6 +41,10 @@ class Test::Unit::TestCase
       Rails.stubs(:const_defined?).with(:Railtie).returns(false)
     end
   end
+
+  def report_files
+    ObjectSpace.each_object(IO){|io| puts "Open IO: #{io.inspect}" unless io.closed? }
+  end
 end
 
 $LOAD_PATH << File.join(ROOT, 'lib')

test/io_adapters/attachment_adapter_test.rb

@@ -7,6 +7,10 @@ class AttachmentAdapterTest < Test::Unit::TestCase
     @attachment = Dummy.new.avatar
   end
 
+  def teardown
+    report_files
+  end
+
   context "for an attachment" do
     setup do
       @file = File.new(fixture_file("5k.png"))
@@ -18,6 +22,7 @@ class AttachmentAdapterTest < Test::Unit::TestCase
     end
 
     teardown do
+      @subject.close
       @file.close
     end
 

test/io_adapters/data_uri_adapter_test.rb

 require './test/helper'
 
 class DataUriAdapterTest < Test::Unit::TestCase
+
+  def teardown
+    if @subject
+      @subject.close
+    end
+  end
+
   context "a new instance" do
     setup do
       @contents = "data:image/png;base64,#{original_base64_content}"

test/io_adapters/empty_string_adapter_test.rb

 require './test/helper'
 
 class EmptyStringAdapterTest < Test::Unit::TestCase
+
+  def teardown
+    if @subject
+      @subject.close
+    end
+  end
+
   context 'a new instance' do
     setup do
       @subject = Paperclip.io_adapters.for('')

test/io_adapters/file_adapter_test.rb

 require './test/helper'
 
+class File
+  def initialize_with_logging(*args)
+    p "NEW FILE #{args.inspect}"
+    p caller
+    initialize_without_logging(*args)
+  end
+  alias_method :initialize_without_logging, :initialize
+  alias_method :initialize, :initialize_with_logging
+end
+
+# class Tempfile
+#   def initialize_with_logging(*args)
+#     p "NEW #{args.inspect}"
+#     initialize_without_logging(*args)
+#   end
+#   alias_method :initialize_without_logging, :initialize
+#   alias_method :initialize, :initialize_with_logging
+# end
 class FileAdapterTest < Test::Unit::TestCase
+  def setup
+    p self
+  end
+  def teardown
+    report_files
+  end
   context "a new instance" do
     context "with normal file" do
       setup do
@@ -9,7 +33,10 @@ class FileAdapterTest < Test::Unit::TestCase
         @subject = Paperclip.io_adapters.for(@file)
       end
 
-      teardown { @file.close }
+      teardown do
+        @file.close
+        @subject.close
+      end
 
       should "get the right filename" do
         assert_equal "5k.png", @subject.original_filename
@@ -86,13 +113,17 @@ class FileAdapterTest < Test::Unit::TestCase
 
     context "filename with restricted characters" do
       setup do
-        file_contents = File.new(fixture_file("animated.gif"))
-        @file = StringIO.new(file_contents.read)
+        @file = File.open(fixture_file("animated.gif")) do |file|
+          StringIO.new(file.read)
+        end
         @file.stubs(:original_filename).returns('image:restricted.gif')
         @subject = Paperclip.io_adapters.for(@file)
       end
 
-      teardown { @file.close }
+      teardown do
+        @file.close
+        @subject.close
+      end
 
       should "not generate filenames that include restricted characters" do
         assert_equal 'image_restricted.gif', @subject.original_filename
@@ -109,7 +140,10 @@ class FileAdapterTest < Test::Unit::TestCase
         @subject = Paperclip.io_adapters.for(@file)
       end
 
-      teardown { @file.close }
+      teardown do
+        @file.close
+        @subject.close
+      end
 
       should "provide correct mime-type" do
         assert_match %r{.*/x-empty}, @subject.content_type