Fix tests for Rails 4

Gemfile

@@ -3,6 +3,7 @@ source "http://rubygems.org"
 gemspec
 
 group :test do
+  gem 'rails', '~> 4'
   gem 'mocha', require: false
   gem 'rake'
 end

foreigner.gemspec

@@ -6,16 +6,15 @@ Gem::Specification.new do |s|
   s.summary = 'Foreign Keys for Rails'
   s.description = 'Adds helpers to migrations and dumps foreign keys to schema.rb'
 
-  s.required_ruby_version     = '>= 1.8.7'
+  s.required_ruby_version     = '>= 1.9.2'
   s.required_rubygems_version = '>= 1.3.5'
 
   s.author            = 'Matthew Higgins'
   s.email             = 'developer@matthewhiggins.com'
   s.homepage          = 'http://github.com/matthuhiggins/foreigner'
   s.rubyforge_project = 'foreigner'
 
-  s.extra_rdoc_files = %w(README.rdoc)
-  s.files = %w(MIT-LICENSE Rakefile README.rdoc) + Dir['lib/**/*.rb'] + Dir['test/**/*.rb']
+  s.files = %w(MIT-LICENSE Rakefile README.md) + Dir['lib/**/*.rb'] + Dir['test/**/*.rb']
   s.add_dependency('activerecord', '>= 3.0.0')
   s.add_development_dependency('activerecord', '>= 3.1.0')
 end

lib/foreigner.rb

@@ -1,4 +1,5 @@
 require 'active_support/all'
+require 'active_record'
 
 module Foreigner
   extend ActiveSupport::Autoload

test/foreigner/migration/command_recorder_test.rb

@@ -5,36 +5,47 @@
 end
 
 class Foreigner::CommandRecorderTest < Foreigner::UnitTest
-  def setup
+  setup do
     @recorder = ActiveRecord::Migration::CommandRecorder.new
   end
 
   test 'invert_add_foreign_key' do
-    @recorder.add_foreign_key(:employees, :companies)
-    remove = @recorder.inverse.first
-    assert_equal [:remove_foreign_key, [:employees, :companies]], remove
+    @recorder.revert do
+      @recorder.add_foreign_key(:employees, :companies)
+    end
+
+    assert_equal [
+      [:remove_foreign_key, [:employees, :companies]]
+    ], @recorder.commands
   end
 
   test 'invert_add_foreign_key with column' do
-    @recorder.add_foreign_key(:employees, :companies, :column => :place_id)
-    remove = @recorder.inverse.first
-    assert_equal [:remove_foreign_key, [:employees, {:column => :place_id}]], remove
+    @recorder.revert do
+      @recorder.add_foreign_key(:employees, :companies, :column => :place_id)
+    end
+
+    assert_equal [
+      [:remove_foreign_key, [:employees, {:column => :place_id}]]
+    ], @recorder.commands
   end
 
   test 'invert_add_foreign_key with name' do
-    @recorder.add_foreign_key(:employees, :companies, :name => 'the_best_fk', :column => :place_id)
-    remove = @recorder.inverse.first
-    assert_equal [:remove_foreign_key, [:employees, {:name => 'the_best_fk'}]], remove
-    
-    @recorder.record :rename_table, [:old, :new]
-    rename = @recorder.inverse.first
-    assert_equal [:rename_table, [:new, :old]], rename
+    @recorder.revert do
+      @recorder.add_foreign_key(:employees, :companies, :name => 'the_best_fk', :column => :place_id)
+    end
+
+    assert_equal [
+      [:remove_foreign_key, [:employees, {:name => 'the_best_fk'}]]
+    ], @recorder.commands
   end
 
   test 'remove_foreign_key is irreversible' do
-    @recorder.remove_foreign_key(:employees, :companies)
     assert_raise ActiveRecord::IrreversibleMigration do
-      @recorder.inverse
+      @recorder.revert do
+        @recorder.remove_foreign_key(:employees, :companies)
+      end
     end
+      # @recorder.inverse
+    # end
   end
 end

test/helper.rb

@@ -1,9 +1,9 @@
 require 'bundler/setup'
-Bundler.require(:default)
+Bundler.require :default, :test
 
-require 'test/unit'
-require 'active_record'
-require 'mocha'
+require 'active_support/test_case'
+require 'minitest/autorun'
+require 'mocha/setup'
 
 # Foreigner::Adapter.registered.values.each do |file_name|
 #   require file_name
@@ -14,7 +14,7 @@ def execute(sql, name = nil)
     sql_statements << sql
     sql
   end
-  
+
   def quote_table_name(name)
     quote_column_name(name).gsub('.', '`.`')
   end
@@ -27,7 +27,7 @@ def sql_statements
     @sql_statements ||= []
   end
 
-  def drop_table(name, options = {})  
+  def drop_table(name, options = {})
   end
 
   def disable_referential_integrity