Setup basic test

Rakefile

@@ -8,6 +8,7 @@ task :default => :test
 desc 'Test the model_translations plugin.'
 Rake::TestTask.new(:test) do |t|
   t.libs << 'lib'
+  t.libs << 'test'
   t.pattern = 'test/**/*_test.rb'
   t.verbose = true
 end

test/model_translations_test.rb

@@ -1,8 +1,58 @@
-require 'test/unit'
+require 'test_helper'
 
-class ModelTranslationsTest < Test::Unit::TestCase
-  # Replace this with your real tests.
-  test "the truth" do
-    assert true
+ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :dbfile => ":memory:")
+
+def setup_db
+  ActiveRecord::Schema.define(:version => 1) do
+    create_table :posts do |t|
+      t.timestamps
+    end
+    create_table :post_translations do |t|
+      t.string     :locale
+      t.references :post
+      t.string     :title
+      t.text       :text
+      t.timestamps
+    end
+  end
+end
+
+def teardown_db
+  ActiveRecord::Base.connection.tables.each do |table|
+    ActiveRecord::Base.connection.drop_table(table)
+  end
+end
+
+class Post < ActiveRecord::Base
+  translates :title, :text
+end
+
+class ModelTranslationsTest < ActiveSupport::TestCase
+  def setup
+    setup_db
+    I18n.locale = I18n.default_locale = :en
+    Post.create(:title => 'English title', :text => 'Text')
+  end
+
+  def teardown
+    teardown_db
+  end
+
+  test "database setup" do
+    assert Post.count == 1
+  end
+
+  test "allow translation" do
+    I18n.locale = :sv
+    Post.first.update_attribute :title, 'Svensk titel'
+    assert Post.first.title == 'Svensk titel'
+    I18n.locale = :en
+    assert Post.first.title == 'English title'
+  end
+
+  test "assert fallback to default" do
+    assert Post.first.title == 'English title'
+    I18n.locale = :sv
+    assert Post.first.title == 'English title'
   end
 end

test/test_helper.rb

@@ -0,0 +1,3 @@
+require 'rubygems'
+require 'active_support'
+require 'active_support/test_case'