Fix tests

Author: owen-c

Rakefile

@@ -1,24 +1,6 @@
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
-require "yaml"
-require "active_record"
 
 RSpec::Core::RakeTask.new(:spec)
 
 task :default => :spec
-
-namespace :db do
-  db_config = YAML::load(File.open("spec/support/database.yml"))
-  db_config_admin = db_config.merge({"database" => "postgres", "schema_search_path" => "public"})
-
-  desc "Create the database"
-  task :create do
-    begin
-      ActiveRecord::Base.establish_connection(db_config_admin)
-      ActiveRecord::Base.connection.create_database(db_config["database"])
-      puts "Database created."
-    rescue ActiveRecord::StatementInvalid
-      puts "Database already exist."
-    end
-  end
-end

directory_diff.gemspec

@@ -19,7 +19,8 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "activesupport"
+  spec.add_dependency "activerecord"
+
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"

lib/directory_diff/transformer/in_memory.rb

@@ -1,3 +1,5 @@
+require 'active_support/core_ext/object/blank'
+
 module DirectoryDiff
   module Transformer
     class InMemory