Merge branch 'master' of git://github.com/thoughtbot/paperclip

1b8bb3c3 · Joost Baaij · 289d9cfb · e23d7f51 · 1b8bb3c3 · 1b8bb3c3
Commit 1b8bb3c3 authored Jan 14, 2011 by Joost Baaij
42 changed files
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,6 @@ test/s3.yml
 public
 paperclip*.gem
 capybara*.html
+*.rbc
+.bundle
+*SPIKE*
--- a/Appraisals
+++ b/Appraisals
+appraise "rails2" do
+  gem "rails", "~>2.3.0"
+end
+appraise "rails3" do
+  gem "rails", "~>3.0.0"
+end
--- a/Gemfile
+++ b/Gemfile
+source "http://rubygems.org"
+gem "shoulda"
+gem "mocha"
+gem "rake"
+gem "ruby-debug"
+gem "aws-s3", :require => "aws/s3"
+gem "sqlite3-ruby", "~>1.3.0"
+gem "appraisal"
--- a/Gemfile.lock
+++ b/Gemfile.lock
+GEM
+  remote: http://rubygems.org/
+  specs:
+    appraisal (0.1)
+      bundler
+      rake
+    aws-s3 (0.6.2)
+      builder
+      mime-types
+      xml-simple
+    builder (3.0.0)
+    columnize (0.3.2)
+    linecache (0.43)
+    mime-types (1.16)
+    mocha (0.9.9)
+      rake
+    rake (0.8.7)
+    ruby-debug (0.10.4)
+      columnize (>= 0.1)
+      ruby-debug-base (~> 0.10.4.0)
+    ruby-debug-base (0.10.4)
+      linecache (>= 0.3)
+    shoulda (2.11.3)
+    sqlite3-ruby (1.3.2)
+    xml-simple (1.0.12)
+PLATFORMS
+  ruby
+DEPENDENCIES
+  appraisal
+  aws-s3
+  mocha
+  rake
+  ruby-debug
+  shoulda
+  sqlite3-ruby (~> 1.3.0)
--- a/README.rdoc
+++ b/README.rdoc
@@ -15,7 +15,13 @@ useful defaults.
 See the documentation for +has_attached_file+ in Paperclip::ClassMethods for
 more detailed options.
-The complete RDoc[http://rdoc.info/projects/thoughtbot/paperclip] is online.
+The complete RDoc[http://rdoc.info/gems/paperclip] is online.
+==Installation
+Include the gem in your Gemfile:
+  gem "paperclip", "~> 2.3"
 ==Installation

--- a/Rakefile
+++ b/Rakefile
+require 'rubygems'
+require 'appraisal'
+require 'bundler/setup'
 require 'rake'
 require 'rake/testtask'
 require 'rake/rdoctask'
@@ -6,11 +10,11 @@ $LOAD_PATH << File.join(File.dirname(__FILE__), 'lib')
 require 'paperclip'
 desc 'Default: run unit tests.'
-task :default => [:clean, :test]
+task :default => [:clean, :all]
 desc 'Test the paperclip plugin under all supported Rails versions.'
 task :all do |t|
-  exec('rake RAILS_VERSION=2.1 && rake RAILS_VERSION=2.3 && rake RAILS_VERSION=3.0')
+  exec('rake appraisal test')
 end
 desc 'Test the paperclip plugin.'

--- a/gemfiles/rails2.gemfile
+++ b/gemfiles/rails2.gemfile
+# This file was generated by Appraisal
+source "http://rubygems.org"
+gem "ruby-debug"
+gem "rails", "~>2.3.0"
+gem "rake"
+gem "sqlite3-ruby", "~>1.3.0"
+gem "shoulda"
+gem "mocha"
+gem "aws-s3", {:require=>"aws/s3"}
+gem "appraisal"
\ No newline at end of file
--- a/gemfiles/rails2.gemfile.lock
+++ b/gemfiles/rails2.gemfile.lock
+GEM
+  remote: http://rubygems.org/
+  specs:
+    actionmailer (2.3.10)
+      actionpack (= 2.3.10)
+    actionpack (2.3.10)
+      activesupport (= 2.3.10)
+      rack (~> 1.1.0)
+    activerecord (2.3.10)
+      activesupport (= 2.3.10)
+    activeresource (2.3.10)
+      activesupport (= 2.3.10)
+    activesupport (2.3.10)
+    appraisal (0.1)
+      bundler
+      rake
+    aws-s3 (0.6.2)
+      builder
+      mime-types
+      xml-simple
+    builder (3.0.0)
+    columnize (0.3.2)
+    linecache (0.43)
+    mime-types (1.16)
+    mocha (0.9.9)
+      rake
+    rack (1.1.0)
+    rails (2.3.10)
+      actionmailer (= 2.3.10)
+      actionpack (= 2.3.10)
+      activerecord (= 2.3.10)
+      activeresource (= 2.3.10)
+      activesupport (= 2.3.10)
+      rake (>= 0.8.3)
+    rake (0.8.7)
+    ruby-debug (0.10.4)
+      columnize (>= 0.1)
+      ruby-debug-base (~> 0.10.4.0)
+    ruby-debug-base (0.10.4)
+      linecache (>= 0.3)
+    shoulda (2.11.3)
+    sqlite3-ruby (1.3.2)
+    xml-simple (1.0.12)
+PLATFORMS
+  ruby
+DEPENDENCIES
+  appraisal
+  aws-s3
+  mocha
+  rails (~> 2.3.0)
+  rake
+  ruby-debug
+  shoulda
+  sqlite3-ruby (~> 1.3.0)
--- a/gemfiles/rails3.gemfile
+++ b/gemfiles/rails3.gemfile
+# This file was generated by Appraisal
+source "http://rubygems.org"
+gem "ruby-debug"
+gem "rails", ">=3.0.3"
+gem "rake"
+gem "sqlite3-ruby", "~>1.3.0"
+gem "shoulda"
+gem "mocha"
+gem "aws-s3", {:require=>"aws/s3"}
+gem "appraisal"
\ No newline at end of file
--- a/gemfiles/rails3.gemfile.lock
+++ b/gemfiles/rails3.gemfile.lock
+GEM
+  remote: http://rubygems.org/
+  specs:
+    abstract (1.0.0)
+    actionmailer (3.0.3)
+      actionpack (= 3.0.3)
+      mail (~> 2.2.9)
+    actionpack (3.0.3)
+      activemodel (= 3.0.3)
+      activesupport (= 3.0.3)
+      builder (~> 2.1.2)
+      erubis (~> 2.6.6)
+      i18n (~> 0.4)
+      rack (~> 1.2.1)
+      rack-mount (~> 0.6.13)
+      rack-test (~> 0.5.6)
+      tzinfo (~> 0.3.23)
+    activemodel (3.0.3)
+      activesupport (= 3.0.3)
+      builder (~> 2.1.2)
+      i18n (~> 0.4)
+    activerecord (3.0.3)
+      activemodel (= 3.0.3)
+      activesupport (= 3.0.3)
+      arel (~> 2.0.2)
+      tzinfo (~> 0.3.23)
+    activeresource (3.0.3)
+      activemodel (= 3.0.3)
+      activesupport (= 3.0.3)
+    activesupport (3.0.3)
+    appraisal (0.1)
+      bundler
+      rake
+    arel (2.0.4)
+    aws-s3 (0.6.2)
+      builder
+      mime-types
+      xml-simple
+    builder (2.1.2)
+    columnize (0.3.2)
+    erubis (2.6.6)
+      abstract (>= 1.0.0)
+    i18n (0.4.2)
+    linecache (0.43)
+    mail (2.2.10)
+      activesupport (>= 2.3.6)
+      i18n (~> 0.4.1)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
+    mime-types (1.16)
+    mocha (0.9.9)
+      rake
+    polyglot (0.3.1)
+    rack (1.2.1)
+    rack-mount (0.6.13)
+      rack (>= 1.0.0)
+    rack-test (0.5.6)
+      rack (>= 1.0)
+    rails (3.0.3)
+      actionmailer (= 3.0.3)
+      actionpack (= 3.0.3)
+      activerecord (= 3.0.3)
+      activeresource (= 3.0.3)
+      activesupport (= 3.0.3)
+      bundler (~> 1.0)
+      railties (= 3.0.3)
+    railties (3.0.3)
+      actionpack (= 3.0.3)
+      activesupport (= 3.0.3)
+      rake (>= 0.8.7)
+      thor (~> 0.14.4)
+    rake (0.8.7)
+    ruby-debug (0.10.4)
+      columnize (>= 0.1)
+      ruby-debug-base (~> 0.10.4.0)
+    ruby-debug-base (0.10.4)
+      linecache (>= 0.3)
+    shoulda (2.11.3)
+    sqlite3-ruby (1.3.2)
+    thor (0.14.6)
+    treetop (1.4.9)
+      polyglot (>= 0.3.1)
+    tzinfo (0.3.23)
+    xml-simple (1.0.12)
+PLATFORMS
+  ruby
+DEPENDENCIES
+  appraisal
+  aws-s3
+  mocha
+  rails (>= 3.0.3)
+  rake
+  ruby-debug
+  shoulda
+  sqlite3-ruby (~> 1.3.0)
--- a/lib/paperclip.rb
+++ b/lib/paperclip.rb
@@ -37,6 +37,7 @@ require 'paperclip/thumbnail'
 require 'paperclip/interpolations'
 require 'paperclip/style'
 require 'paperclip/attachment'
+require 'paperclip/storage'
 require 'paperclip/callback_compatability'
 require 'paperclip/command_line'
 require 'paperclip/railtie'
@@ -103,15 +104,6 @@ module Paperclip
      CommandLine.new(cmd, *params).run
    end
-    def included base #:nodoc:
-      base.extend ClassMethods
-      if base.respond_to?("set_callback")
-        base.send :include, Paperclip::CallbackCompatability::Rails3
-      else
-        base.send :include, Paperclip::CallbackCompatability::Rails21
-      end
-    end
    def processor name #:nodoc:
      name = name.to_s.camelize
      processor = Paperclip.const_get(name)
@@ -121,6 +113,12 @@ module Paperclip
      processor
    end
+    def each_instance_with_attachment(klass, name)
+      Object.const_get(klass).all.each do |instance|
+        yield(instance) if instance.send(:"#{name}?")
+      end
+    end
    # Log a paperclip-specific line. Uses ActiveRecord::Base.logger
    # by default. Set Paperclip.options[:log] to false to turn off.
    def log message
@@ -159,6 +157,17 @@ module Paperclip
  class InfiniteInterpolationError < PaperclipError #:nodoc:
  end
+  module Glue
+    def self.included base #:nodoc:
+      base.extend ClassMethods
+      if base.respond_to?("set_callback")
+        base.send :include, Paperclip::CallbackCompatability::Rails3
+      else
+        base.send :include, Paperclip::CallbackCompatability::Rails21
+      end
+    end
+  end
  module ClassMethods
    # +has_attached_file+ gives the class it is called on an attribute that maps to a file. This
    # is typically a file stored somewhere on the filesystem and has been uploaded by a user.

--- a/lib/paperclip/attachment.rb
+++ b/lib/paperclip/attachment.rb
@@ -4,6 +4,7 @@ module Paperclip
  # when the model saves, deletes when the model is destroyed, and processes
  # the file upon assignment.
  class Attachment
+    include IOStream
    def self.default_options
      @default_options ||= {
@@ -88,11 +89,11 @@ module Paperclip
      return nil if uploaded_file.nil?
-      @queued_for_write[:original]   = uploaded_file.to_tempfile
+      @queued_for_write[:original]   = to_tempfile(uploaded_file)
      instance_write(:file_name,       uploaded_file.original_filename.strip)
      instance_write(:content_type,    uploaded_file.content_type.to_s.strip)
      instance_write(:file_size,       uploaded_file.size.to_i)
-      instance_write(:fingerprint,     uploaded_file.fingerprint)
+      instance_write(:fingerprint,     generate_fingerprint(uploaded_file))
      instance_write(:updated_at,      Time.now)
      @dirty = true
@@ -101,7 +102,7 @@ module Paperclip
      # Reset the file size if the original file was reprocessed.
      instance_write(:file_size,   @queued_for_write[:original].size.to_i)
-      instance_write(:fingerprint, @queued_for_write[:original].fingerprint)
+      instance_write(:fingerprint, generate_fingerprint(@queued_for_write[:original]))
    ensure
      uploaded_file.close if close_uploaded_file
    end
@@ -180,7 +181,7 @@ module Paperclip
    # Returns the hash of the file as originally assigned, and lives in the
    # <attachment>_fingerprint attribute of the model.
    def fingerprint
-      instance_read(:fingerprint) || (@queued_for_write[:original] && @queued_for_write[:original].fingerprint)
+      instance_read(:fingerprint) || (@queued_for_write[:original] && generate_fingerprint(@queued_for_write[:original]))
    end
    # Returns the content_type of the file as originally assigned, and lives
@@ -196,6 +197,12 @@ module Paperclip
      time && time.to_f.to_i
    end
+    def generate_fingerprint(source)
+      data = source.read
+      source.rewind if source.respond_to?(:rewind)
+      Digest::MD5.hexdigest(data)
+    end
    # Paths and URLs can have a number of variables interpolated into them
    # to vary the storage location based on name, id, style, class, etc.
    # This method is a deprecated access into supplying and retrieving these
@@ -277,13 +284,12 @@ module Paperclip
    end
    def initialize_storage #:nodoc:
-      storage_name = @storage.to_s.capitalize
+      storage_class_name = @storage.to_s.capitalize
      begin
-        require "paperclip/storage/#{@storage}"
+        @storage_module = Paperclip::Storage.const_get(storage_class_name)
-      rescue MissingSourceFile
+      rescue NameError
-        raise StorageMethodNotFound, "Cannot find the '#{@storage}' storage adapter."
+        raise StorageMethodNotFound, "Cannot load storage module '#{storage_class_name}'"
      end
-      @storage_module = Paperclip::Storage.const_get(storage_name)
      self.extend(@storage_module)
    end

--- a/lib/paperclip/command_line.rb
+++ b/lib/paperclip/command_line.rb
@@ -8,7 +8,7 @@ module Paperclip
      @binary            = binary.dup
      @params            = params.dup
      @options           = options.dup
-      @swallow_stderr    = @options.delete(:swallow_stderr)
+      @swallow_stderr    = @options.has_key?(:swallow_stderr) ? @options.delete(:swallow_stderr) : Paperclip.options[:swallow_stderr]
      @expected_outcodes = @options.delete(:expected_outcodes)
      @expected_outcodes ||= [0]
    end

--- a/lib/paperclip/interpolations.rb
+++ b/lib/paperclip/interpolations.rb
@@ -41,8 +41,9 @@ module Paperclip
    # Returns the interpolated URL. Will raise an error if the url itself
    # contains ":url" to prevent infinite recursion. This interpolation
    # is used in the default :path to ease default specifications.
+    RIGHT_HERE = "#{__FILE__.gsub(%r{^\./}, "")}:#{__LINE__ + 3}"
    def url attachment, style_name
-      raise InfiniteInterpolationError if caller.any?{|b| b.index("#{__FILE__}:#{__LINE__ + 1}") }
+      raise InfiniteInterpolationError if caller.any?{|b| b.index(RIGHT_HERE) }
      attachment.url(style_name, false)
    end

--- a/lib/paperclip/iostream.rb
+++ b/lib/paperclip/iostream.rb
 # Provides method that can be included on File-type objects (IO, StringIO, Tempfile, etc) to allow stream copying
 # and Tempfile conversion.
 module IOStream
  # Returns a Tempfile containing the contents of the readable object.
-  def to_tempfile
+  def to_tempfile(object)
-    name = respond_to?(:original_filename) ? original_filename : (respond_to?(:path) ? path : "stream")
+    return object.to_tempfile if object.respond_to?(:to_tempfile)
-    tempfile = Paperclip::Tempfile.new("stream" + File.extname(name))
+    name = object.respond_to?(:original_filename) ? object.original_filename : (object.respond_to?(:path) ? object.path : "stream")
+    tempfile = Paperclip::Tempfile.new(["stream", File.extname(name)])
    tempfile.binmode
-    self.stream_to(tempfile)
+    stream_to(object, tempfile)
  end
  # Copies one read-able object from one place to another in blocks, obviating the need to load
-  # the whole thing into memory. Defaults to 8k blocks. If this module is included in both
+  # the whole thing into memory. Defaults to 8k blocks. Returns a File if a String is passed
-  # StringIO and Tempfile, then either can have its data copied anywhere else without typing
+  # in as the destination and returns the IO or Tempfile as passed in if one is sent as the destination.
-  # worries or memory overhead worries. Returns a File if a String is passed in as the destination
+  def stream_to object, path_or_file, in_blocks_of = 8192
-  # and returns the IO or Tempfile as passed in if one is sent as the destination.
-  def stream_to path_or_file, in_blocks_of = 8192
    dstio = case path_or_file
            when String   then File.new(path_or_file, "wb+")
            when IO       then path_or_file
            when Tempfile then path_or_file
            end
    buffer = ""
-    self.rewind
+    object.rewind
-    while self.read(in_blocks_of, buffer) do
+    while object.read(in_blocks_of, buffer) do
      dstio.write(buffer)
    end
    dstio.rewind
@@ -31,18 +29,6 @@ module IOStream
  end
 end
-class IO #:nodoc:
-  include IOStream
-end
-%w( Tempfile StringIO ).each do |klass|
-  if Object.const_defined? klass
-    Object.const_get(klass).class_eval do
-      include IOStream
-    end
-  end
-end
 # Corrects a bug in Windows when asking for Tempfile size.
 if defined? Tempfile
  class Tempfile

--- a/lib/paperclip/processor.rb
+++ b/lib/paperclip/processor.rb
@@ -40,10 +40,19 @@ module Paperclip
  # on this blog post:
  # http://marsorange.com/archives/of-mogrify-ruby-tempfile-dynamic-class-definitions
  class Tempfile < ::Tempfile
-    # Replaces Tempfile's +make_tmpname+ with one that honors file extensions.
+    # This is Ruby 1.8.7's implementation.
+    if RUBY_VERSION <= "1.8.6"
      def make_tmpname(basename, n)
-      extension = File.extname(basename)
+        case basename
-      sprintf("%s,%d,%d%s", File.basename(basename, extension), $$, n.to_i, extension)
+        when Array
+          prefix, suffix = *basename
+        else
+          prefix, suffix = basename, ''
+        end
+        t = Time.now.strftime("%y%m%d")
+        path = "#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}-#{n}#{suffix}"
+      end
    end
  end
 end
--- a/lib/paperclip/railtie.rb
+++ b/lib/paperclip/railtie.rb
@@ -17,7 +17,7 @@ module Paperclip
  class Railtie
    def self.insert
-      ActiveRecord::Base.send(:include, Paperclip)
+      ActiveRecord::Base.send(:include, Paperclip::Glue)
      File.send(:include, Paperclip::Upfile)
    end
  end

--- a/lib/paperclip/storage.rb
+++ b/lib/paperclip/storage.rb
+require "paperclip/storage/filesystem"
+require "paperclip/storage/s3"
--- a/lib/paperclip/storage/filesystem.rb
+++ b/lib/paperclip/storage/filesystem.rb
@@ -56,6 +56,7 @@ module Paperclip
            while(true)
              path = File.dirname(path)
              FileUtils.rmdir(path)
+              break if File.exists?(path) # Ruby 1.9.2 does not raise if the removal failed.
            end
          rescue Errno::EEXIST, Errno::ENOTEMPTY, Errno::ENOENT, Errno::EINVAL, Errno::ENOTDIR
            # Stop trying to remove parent directories

--- a/lib/paperclip/storage/s3.rb
+++ b/lib/paperclip/storage/s3.rb
@@ -127,12 +127,20 @@ module Paperclip
      # style, in the format most representative of the current storage.
      def to_file style = default_style
        return @queued_for_write[style] if @queued_for_write[style]
-        file = Tempfile.new(path(style))
+        filename = path(style)
+        extname  = File.extname(filename)
+        basename = File.basename(filename, extname)
+        file = Tempfile.new([basename, extname])
+        file.binmode
        file.write(AWS::S3::S3Object.value(path(style), bucket_name))
        file.rewind
        return file
      end
+      def create_bucket
+        AWS::S3::Bucket.create(bucket_name)
+      end
      def flush_writes #:nodoc:
        @queued_for_write.each do |style, file|
          begin
@@ -143,6 +151,9 @@ module Paperclip
                                    {:content_type => instance_read(:content_type),
                                     :access => @s3_permissions,
                                    }.merge(@s3_headers))
+          rescue AWS::S3::NoSuchBucket => e
+            create_bucket
+            retry
          rescue AWS::S3::ResponseError => e
            raise
          end

--- a/lib/paperclip/thumbnail.rb
+++ b/lib/paperclip/thumbnail.rb
@@ -45,7 +45,7 @@ module Paperclip
    # that contains the new image.
    def make
      src = @file
-      dst = Tempfile.new([@basename, @format].compact.join("."))
+      dst = Tempfile.new([@basename, @format ? ".#{@format}" : ''])
      dst.binmode
      begin

--- a/lib/paperclip/upfile.rb
+++ b/lib/paperclip/upfile.rb
@@ -32,11 +32,6 @@ module Paperclip
    def size
      File.size(self)
    end
-    # Returns the hash of the file.
-    def fingerprint
-      Digest::MD5.hexdigest(self.read)
-    end
  end
 end

--- a/lib/paperclip/version.rb
+++ b/lib/paperclip/version.rb
 module Paperclip
-  VERSION = "2.3.3" unless defined? Paperclip::VERSION
+  VERSION = "2.3.8" unless defined? Paperclip::VERSION
 end
--- a/lib/tasks/paperclip.rake
+++ b/lib/tasks/paperclip.rake
 def obtain_class
  class_name = ENV['CLASS'] || ENV['class']
  raise "Must specify CLASS" unless class_name
-  @klass = Object.const_get(class_name)
+  class_name
 end
-def obtain_attachments
+def obtain_attachments(klass)
+  klass = Object.const_get(klass.to_s)
  name = ENV['ATTACHMENT'] || ENV['attachment']
-  raise "Class #{@klass.name} has no attachments specified" unless @klass.respond_to?(:attachment_definitions)
+  raise "Class #{klass.name} has no attachments specified" unless klass.respond_to?(:attachment_definitions)
-  if !name.blank? && @klass.attachment_definitions.keys.include?(name)
+  if !name.blank? && klass.attachment_definitions.keys.include?(name)
    [ name ]
  else
-    @klass.attachment_definitions.keys
+    klass.attachment_definitions.keys
  end
 end
-def for_all_attachments
-  klass = obtain_class
-  names = obtain_attachments
-  ids   = klass.connection.select_values(klass.send(:construct_finder_sql, :select => 'id'))
-  ids.each do |id|
-    instance = klass.find(id)
-    names.each do |name|
-      result = if instance.send("#{ name }?")
-                 yield(instance, name)
-               else
-                 true
-               end
-      print result ? "." : "x"; $stdout.flush
-    end
-  end
-  puts " Done."
-end
 namespace :paperclip do
  desc "Refreshes both metadata and thumbnails."
  task :refresh => ["paperclip:refresh:metadata", "paperclip:refresh:thumbnails"]
@@ -41,17 +23,23 @@ namespace :paperclip do
    desc "Regenerates thumbnails for a given CLASS (and optional ATTACHMENT)."
    task :thumbnails => :environment do
      errors = []
-      for_all_attachments do |instance, name|
+      klass = obtain_class
+      names = obtain_attachments(klass)
+      names.each do |name|
+        Paperclip.each_instance_with_attachment(klass, name) do |instance|
          result = instance.send(name).reprocess!
          errors << [instance.id, instance.errors] unless instance.errors.blank?
-        result
+        end
      end
      errors.each{|e| puts "#{e.first}: #{e.last.full_messages.inspect}" }
    end
    desc "Regenerates content_type/size metadata for a given CLASS (and optional ATTACHMENT)."
    task :metadata => :environment do
-      for_all_attachments do |instance, name|
+      klass = obtain_class
+      names = obtain_attachments(klass)
+      names.each do |name|
+        Paperclip.each_instance_with_attachment(klass, name) do |instance|
          if file = instance.send(name).to_file
            instance.send("#{name}_file_name=", instance.send("#{name}_file_name").strip)
            instance.send("#{name}_content_type=", file.content_type.strip)
@@ -63,10 +51,14 @@ namespace :paperclip do
        end
      end
    end
+  end
  desc "Cleans out invalid attachments. Useful after you've added new validations."
  task :clean => :environment do
-    for_all_attachments do |instance, name|
+    klass = obtain_class
+    names = obtain_attachments(klass)
+    names.each do |name|
+      Paperclip.each_instance_with_attachment(klass, name) do |instance|
        instance.send(name).send(:validate)
        if instance.send(name).valid?
          true
@@ -76,4 +68,5 @@ namespace :paperclip do
        end
      end
    end
+  end
 end
--- a/paperclip.gemspec
+++ b/paperclip.gemspec
@@ -28,6 +28,7 @@ spec = Gem::Specification.new do |s|
  s.add_dependency 'activerecord'
  s.add_dependency 'activesupport'
  s.add_development_dependency 'shoulda'
+  s.add_development_dependency 'appraisal'
  s.add_development_dependency 'mocha'
  s.add_development_dependency 'aws-s3'
  s.add_development_dependency 'sqlite3-ruby'

--- a/test/attachment_test.rb
+++ b/test/attachment_test.rb
 # encoding: utf-8
-require 'test/helper'
+require './test/helper'
 class Dummy
  # This is a dummy class
@@ -463,14 +463,11 @@ class AttachmentTest < Test::Unit::TestCase
    setup do
      rebuild_model
-      @not_file = mock
+      @not_file = mock("not_file")
-      @tempfile = mock
+      @tempfile = mock("tempfile")
      @not_file.stubs(:nil?).returns(false)
-      @not_file.stubs(:fingerprint).returns('bd94545193321376b70136f8b223abf8')
-      @tempfile.stubs(:fingerprint).returns('bd94545193321376b70136f8b223abf8')
      @not_file.expects(:size).returns(10)
      @tempfile.expects(:size).returns(10)
-      @not_file.expects(:to_tempfile).returns(@tempfile)
      @not_file.expects(:original_filename).returns("sheep_say_bæ.png\r\n")
      @not_file.expects(:content_type).returns("image/png\r\n")
@@ -479,6 +476,9 @@ class AttachmentTest < Test::Unit::TestCase
      @attachment.expects(:valid_assignment?).with(@not_file).returns(true)
      @attachment.expects(:queue_existing_for_delete)
      @attachment.expects(:post_process)
+      @attachment.expects(:to_tempfile).returns(@tempfile)
+      @attachment.expects(:generate_fingerprint).with(@tempfile).returns("12345")
+      @attachment.expects(:generate_fingerprint).with(@not_file).returns("12345")
      @dummy.avatar = @not_file
    end
@@ -606,7 +606,7 @@ class AttachmentTest < Test::Unit::TestCase
              [:large, :medium, :small].each do |style|
                io = @attachment.to_file(style)
                # p "in commit to disk test, io is #{io.inspect} and @instance.id is #{@instance.id}"
-                assert File.exists?(io)
+                assert File.exists?(io.path)
                assert ! io.is_a?(::Tempfile)
                io.close
              end
@@ -703,7 +703,7 @@ class AttachmentTest < Test::Unit::TestCase
      now = Time.now
      Time.stubs(:now).returns(now)
      @dummy.avatar = @file
-      assert now, @dummy.avatar.updated_at
+      assert_equal now.to_i, @dummy.avatar.updated_at.to_i
    end
    should "return nil when reloaded and sent #avatar_updated_at" do

--- a/test/command_line_test.rb
+++ b/test/command_line_test.rb
-require 'test/helper'
+require './test/helper'
 class CommandLineTest < Test::Unit::TestCase
  def setup
@@ -7,13 +7,13 @@ class CommandLineTest < Test::Unit::TestCase
  end
  should "take a command and parameters and produce a shell command for bash" do
-    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png")
+    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png", :swallow_stderr => false)
    assert_equal "convert a.jpg b.png", cmd.command
  end
  should "be able to set a path and produce commands with that path" do
    Paperclip::CommandLine.path = "/opt/bin"
-    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png")
+    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png", :swallow_stderr => false)
    assert_equal "/opt/bin/convert a.jpg b.png", cmd.command
  end
@@ -21,7 +21,8 @@ class CommandLineTest < Test::Unit::TestCase
    cmd = Paperclip::CommandLine.new("convert",
                                     ":one :{two}",
                                     :one => "a.jpg",
-                                     :two => "b.png")
+                                     :two => "b.png",
+                                     :swallow_stderr => false)
    assert_equal "convert 'a.jpg' 'b.png'", cmd.command
  end
@@ -30,7 +31,8 @@ class CommandLineTest < Test::Unit::TestCase
    cmd = Paperclip::CommandLine.new("convert",
                                     ":one :{two}",
                                     :one => "a.jpg",
-                                     :two => "b.png")
+                                     :two => "b.png",
+                                     :swallow_stderr => false)
    assert_equal 'convert "a.jpg" "b.png"', cmd.command
  end
@@ -38,7 +40,8 @@ class CommandLineTest < Test::Unit::TestCase
    cmd = Paperclip::CommandLine.new("convert",
                                     ":one :two",
                                     :one => "`rm -rf`.jpg",
-                                     :two => "ha'ha.png")
+                                     :two => "ha'ha.png",
+                                     :swallow_stderr => false)
    assert_equal "convert '`rm -rf`.jpg' 'ha'\\''ha.png'", cmd.command
  end
@@ -47,7 +50,8 @@ class CommandLineTest < Test::Unit::TestCase
    cmd = Paperclip::CommandLine.new("convert",
                                     ":one :two",
                                     :one => "`rm -rf`.jpg",
-                                     :two => "ha'ha.png")
+                                     :two => "ha'ha.png",
+                                     :swallow_stderr => false)
    assert_equal %{convert "`rm -rf`.jpg" "ha'ha.png"}, cmd.command
  end
@@ -80,7 +84,7 @@ class CommandLineTest < Test::Unit::TestCase
  end
  should "run the #command it's given and return the output" do
-    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png")
+    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png", :swallow_stderr => false)
    cmd.class.stubs(:"`").with("convert a.jpg b.png").returns(:correct_value)
    with_exitstatus_returning(0) do
      assert_equal :correct_value, cmd.run
@@ -88,7 +92,7 @@ class CommandLineTest < Test::Unit::TestCase
  end
  should "raise a PaperclipCommandLineError if the result code isn't expected" do
-    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png")
+    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png", :swallow_stderr => false)
    cmd.class.stubs(:"`").with("convert a.jpg b.png").returns(:correct_value)
    with_exitstatus_returning(1) do
      assert_raises(Paperclip::PaperclipCommandLineError) do
@@ -100,7 +104,8 @@ class CommandLineTest < Test::Unit::TestCase
  should "not raise a PaperclipCommandLineError if the result code is expected" do
    cmd = Paperclip::CommandLine.new("convert",
                                     "a.jpg b.png",
-                                     :expected_outcodes => [0, 1])
+                                     :expected_outcodes => [0, 1],
+                                     :swallow_stderr => false)
    cmd.class.stubs(:"`").with("convert a.jpg b.png").returns(:correct_value)
    with_exitstatus_returning(1) do
      assert_nothing_raised do
@@ -110,7 +115,7 @@ class CommandLineTest < Test::Unit::TestCase
  end
  should "log the command" do
-    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png")
+    cmd = Paperclip::CommandLine.new("convert", "a.jpg b.png", :swallow_stderr => false)
    cmd.class.stubs(:'`')
    Paperclip.expects(:log).with("convert a.jpg b.png")
    cmd.run

--- a/test/geometry_test.rb
+++ b/test/geometry_test.rb
-require 'test/helper'
+require './test/helper'
 class GeometryTest < Test::Unit::TestCase
  context "Paperclip::Geometry" do

--- a/test/helper.rb
+++ b/test/helper.rb
@@ -5,18 +5,6 @@ require 'test/unit'
 require 'shoulda'
 require 'mocha'
-case ENV['RAILS_VERSION']
-when '2.1' then
-  gem 'activerecord',  '~>2.1.0'
-  gem 'activesupport', '~>2.1.0'
-when '3.0' then
-  gem 'activerecord',  '~>3.0.0'
-  gem 'activesupport', '~>3.0.0'
-else
-  gem 'activerecord',  '~>2.3.0'
-  gem 'activesupport', '~>2.3.0'
-end
 require 'active_record'
 require 'active_record/version'
 require 'active_support'
@@ -53,7 +41,7 @@ $LOAD_PATH << File.join(ROOT, 'lib', 'paperclip')
 require File.join(ROOT, 'lib', 'paperclip.rb')
-require 'shoulda_macros/paperclip'
+require './shoulda_macros/paperclip'
 FIXTURES_DIR = File.join(File.dirname(__FILE__), "fixtures")
 config = YAML::load(IO.read(File.dirname(__FILE__) + '/database.yml'))
@@ -61,10 +49,10 @@ ActiveRecord::Base.logger = ActiveSupport::BufferedLogger.new(File.dirname(__FIL
 ActiveRecord::Base.establish_connection(config['test'])
 def reset_class class_name
-  ActiveRecord::Base.send(:include, Paperclip)
+  ActiveRecord::Base.send(:include, Paperclip::Glue)
  Object.send(:remove_const, class_name) rescue nil
  klass = Object.const_set(class_name, Class.new(ActiveRecord::Base))
-  klass.class_eval{ include Paperclip }
+  klass.class_eval{ include Paperclip::Glue }
  klass
 end
@@ -90,11 +78,11 @@ def rebuild_model options = {}
 end
 def rebuild_class options = {}
-  ActiveRecord::Base.send(:include, Paperclip)
+  ActiveRecord::Base.send(:include, Paperclip::Glue)
  Object.send(:remove_const, "Dummy") rescue nil
  Object.const_set("Dummy", Class.new(ActiveRecord::Base))
  Dummy.class_eval do
-    include Paperclip
+    include Paperclip::Glue
    has_attached_file :avatar, options
  end
 end

--- a/test/integration_test.rb
+++ b/test/integration_test.rb
-require 'test/helper'
+require './test/helper'
 class IntegrationTest < Test::Unit::TestCase
  context "Many models at once" do

--- a/test/interpolations_test.rb
+++ b/test/interpolations_test.rb
-require 'test/helper'
+require './test/helper'
 class InterpolationsTest < Test::Unit::TestCase
  should "return all methods but the infrastructure when sent #all" do

--- a/test/iostream_test.rb
+++ b/test/iostream_test.rb
-require 'test/helper'
+require './test/helper'
 class IOStreamTest < Test::Unit::TestCase
-  context "IOStream" do
+  include IOStream
-    should "be included in IO, File, Tempfile, and StringIO" do
-      [IO, File, Tempfile, StringIO].each do |klass|
-        assert klass.included_modules.include?(IOStream), "Not in #{klass}"
-      end
-    end
-  end
  context "A file" do
    setup do
      @file = File.new(File.join(File.dirname(__FILE__), "fixtures", "5k.png"), 'rb')
@@ -21,7 +14,7 @@ class IOStreamTest < Test::Unit::TestCase
      context "and given a String" do
        setup do
          FileUtils.mkdir_p(File.join(ROOT, 'tmp'))
-          assert @result = @file.stream_to(File.join(ROOT, 'tmp', 'iostream.string.test'))
+          assert @result = stream_to(@file, File.join(ROOT, 'tmp', 'iostream.string.test'))
        end
        should "return a File" do
@@ -38,7 +31,7 @@ class IOStreamTest < Test::Unit::TestCase
        setup do
          tempfile = Tempfile.new('iostream.test')
          tempfile.binmode
-          assert @result = @file.stream_to(tempfile)
+          assert @result = stream_to(@file, tempfile)
        end
        should "return a Tempfile" do
@@ -53,9 +46,9 @@ class IOStreamTest < Test::Unit::TestCase
    end
-    context "that is sent #to_tempfile" do
+    context "that is converted #to_tempfile" do
      setup do
-        assert @tempfile = @file.to_tempfile
+        assert @tempfile = to_tempfile(@file)
      end
      should "convert it to a Paperclip Tempfile" do

--- a/test/matchers/have_attached_file_matcher_test.rb
+++ b/test/matchers/have_attached_file_matcher_test.rb
-require 'test/helper'
+require './test/helper'
 class HaveAttachedFileMatcherTest < Test::Unit::TestCase
  context "have_attached_file" do

--- a/test/matchers/validate_attachment_content_type_matcher_test.rb
+++ b/test/matchers/validate_attachment_content_type_matcher_test.rb
-require 'test/helper'
+require './test/helper'
 class ValidateAttachmentContentTypeMatcherTest < Test::Unit::TestCase
  context "validate_attachment_content_type" do

--- a/test/matchers/validate_attachment_presence_matcher_test.rb
+++ b/test/matchers/validate_attachment_presence_matcher_test.rb
-require 'test/helper'
+require './test/helper'
 class ValidateAttachmentPresenceMatcherTest < Test::Unit::TestCase
  context "validate_attachment_presence" do

--- a/test/matchers/validate_attachment_size_matcher_test.rb
+++ b/test/matchers/validate_attachment_size_matcher_test.rb
-require 'test/helper'
+require './test/helper'
 class ValidateAttachmentSizeMatcherTest < Test::Unit::TestCase
  context "validate_attachment_size" do

--- a/test/paperclip_test.rb
+++ b/test/paperclip_test.rb
-require 'test/helper'
+require './test/helper'
 class PaperclipTest < Test::Unit::TestCase
  context "Calling Paperclip.run" do
@@ -43,6 +43,23 @@ class PaperclipTest < Test::Unit::TestCase
    end
  end
+  context "Paperclip.each_instance_with_attachment" do
+    setup do
+      @file = File.new(File.join(FIXTURES_DIR, "5k.png"), 'rb')
+      d1 = Dummy.create(:avatar => @file)
+      d2 = Dummy.create
+      d3 = Dummy.create(:avatar => @file)
+      @expected = [d1, d3]
+    end
+    should "yield every instance of a model that has an attachment" do
+      actual = []
+      Paperclip.each_instance_with_attachment("Dummy", "avatar") do |instance|
+        actual << instance
+      end
+      assert_same_elements @expected, actual
+    end
+  end
  should "raise when sent #processor and the name of a class that exists but isn't a subclass of Processor" do
    assert_raises(Paperclip::PaperclipError){ Paperclip.processor(:attachment) }
  end
@@ -172,6 +189,12 @@ class PaperclipTest < Test::Unit::TestCase
      end
    end
+    should "not have Attachment in the ActiveRecord::Base namespace" do
+      assert_raises(NameError) do
+        ActiveRecord::Base::Attachment
+      end
+    end
    def self.should_validate validation, options, valid_file, invalid_file
      context "with #{validation} validation and #{options.inspect} options" do
        setup do

--- a/test/processor_test.rb
+++ b/test/processor_test.rb
-require 'test/helper'
+require './test/helper'
 class ProcessorTest < Test::Unit::TestCase
  should "instantiate and call #make when sent #make to the class" do

--- a/test/storage_test.rb
+++ b/test/storage_test.rb
-require 'test/helper'
+require './test/helper'
 require 'aws/s3'
 class StorageTest < Test::Unit::TestCase
@@ -185,6 +185,21 @@ class StorageTest < Test::Unit::TestCase
        end
      end
+      context "and saved without a bucket" do
+        setup do
+          class AWS::S3::NoSuchBucket < AWS::S3::ResponseError
+            # Force the class to be created as a proper subclass of ResponseError thanks to AWS::S3's autocreation of exceptions
+          end
+          AWS::S3::Bucket.expects(:create).with("testing")
+          AWS::S3::S3Object.stubs(:store).raises(AWS::S3::NoSuchBucket.new(:message, :response)).then.returns(true)
+          @dummy.save
+        end
+        should "succeed" do
+          assert true
+        end
+      end
      context "and remove" do
        setup do
          AWS::S3::S3Object.stubs(:exists?).returns(true)
@@ -336,6 +351,11 @@ class StorageTest < Test::Unit::TestCase
          should "be on S3" do
            assert true
          end
+          should "generate a tempfile with the right name" do
+            file = @dummy.avatar.to_file
+            assert_match /^original.*\.png$/, File.basename(file.path)
+          end
        end
      end
    end

--- a/test/style_test.rb
+++ b/test/style_test.rb
 # encoding: utf-8
-require 'test/helper'
+require './test/helper'
 class StyleTest < Test::Unit::TestCase

--- a/test/thumbnail_test.rb
+++ b/test/thumbnail_test.rb
-require 'test/helper'
+require './test/helper'
 class ThumbnailTest < Test::Unit::TestCase
  context "A Paperclip Tempfile" do
    setup do
-      @tempfile = Paperclip::Tempfile.new("file.jpg")
+      @tempfile = Paperclip::Tempfile.new(["file", ".jpg"])
    end
    should "have its path contain a real extension" do

--- a/test/upfile_test.rb
+++ b/test/upfile_test.rb
-require 'test/helper'
+require './test/helper'
 class UpfileTest < Test::Unit::TestCase
  { %w(jpg jpe jpeg) => 'image/jpeg',