fixed rspec deprecation warnings

spec/dragonfly/model/active_record_spec.rb

@@ -9,7 +9,7 @@
     let! :dragonfly_app do test_app(:test_ar) end
 
     before :all do
-      @connection = ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :database => ":memory:")
+      ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :database => ":memory:")
 
       ActiveRecord::Migration.verbose = false
 
@@ -27,7 +27,7 @@ class Photo < ActiveRecord::Base
 
     after :all do
       Photo.destroy_all
-      ActiveRecord::Base.remove_connection(@connection)
+      ActiveRecord::Base.remove_connection()
     end
 
     describe "destroying" do

spec/dragonfly/temp_object_spec.rb

@@ -145,7 +145,7 @@ def get_parts(temp_object)
         end
         it "should allow not creating intermediate subdirs" do
           filename = 'tmp/gog/mcgee'
-          expect{ @temp_object.to_file(filename, :mkdirs => false) }.to raise_error()
+          expect{ @temp_object.to_file(filename, :mkdirs => false) }.to raise_error(/No such file or directory/)
         end
       end
 

spec/spec_helper.rb

@@ -17,6 +17,12 @@
 SAMPLES_DIR = Pathname.new(File.expand_path("../../samples", __FILE__))
 
 RSpec.configure do |c|
+  c.expect_with(:rspec) do |expectations|
+    expectations.syntax = [:should, :expect]
+  end
+  c.mock_with(:rspec) do |mocks|
+    mocks.syntax = [:should, :expect]
+  end
   c.include ModelHelpers
   c.include RackHelpers
 end

spec/support/image_matchers.rb

@@ -22,7 +22,7 @@ def image_properties(image)
     match do |actual|
       value.should === image_properties(actual)[property]
     end
-    failure_message_for_should do |actual|
+    failure_message do |actual|
       "expected image to have #{property} #{value.inspect}, but it had #{image_properties(actual)[property].inspect}"
     end
   end