added resizer

test/test_helper.rb

@@ -9,4 +9,20 @@ require 'rails/test_help'
 Dir[File.expand_path(File.dirname(__FILE__) + "/factories/*.rb")].each {|file| require file}
 
 class ActiveSupport::TestCase
+protected
+  def upload_file(path, content_type, filename)
+  	tempfile = Tempfile.new(filename)
+  	FileUtils.copy_file(path, tempfile.path)
+  	(class << tempfile; self; end).class_eval do
+  		alias local_path path
+  		define_method(:original_filename) {filename}
+  		define_method(:content_type) {content_type}
+  	end
+
+  	tempfile
+  end
+
+  def upload_jpeg(path)
+  	upload_file(path, "image/jpeg", File.basename(path))
+  end
 end

test/unit/post_test.rb

@@ -1,8 +1,41 @@
-require 'test_helper'
+require File.dirname(__FILE__) + '/../test_helper'
 
 class PostTest < ActiveSupport::TestCase
-  # Replace this with your real tests.
-  test "the truth" do
-    assert true
+  context "A post download" do
+    setup do
+      @source = "http://www.google.com/intl/en_ALL/images/logo.gif"
+      @tempfile = Tempfile.new("danbooru-test")
+      @download = ::Post::Pending::Download.new(@source, @tempfile.path)
+    end
+    
+    teardown do
+      @tempfile.close
+    end
+    
+    should "stream a file from an HTTP source" do
+      @download.http_get_streaming(@download.source) do |resp|
+        assert_equal("200", resp.code)
+        assert(resp["Content-Length"].to_i > 0, "File should be larger than 0 bytes")
+      end
+    end
+    
+    should "throw an exception when the file is larger than the maximum" do
+      assert_raise(Post::Pending::Download::Error) do
+        @download.http_get_streaming(@download.source, :max_size => 1) do |resp|
+        end
+      end
+    end
+    
+    should "store the file in the tempfile path" do
+      @download.download!
+      assert_equal(@source, @download.source)
+      assert(File.exists?(@tempfile.path), "temp file should exist")
+      assert(File.size(@tempfile.path) > 0, "should have data")
+    end
+    
+    should "initialize the content type" do
+      @download.download!
+      assert_match(/text\/html/, @download.content_type)
+    end
   end
 end