require "spec_helper"
require "trasto"

describe ActiveRecord::Base, ".translates" do

  it "should be available" do
    Post.should respond_to :translates
  end

  it "should add functionality" do
    Post.new.should_not respond_to :title
    Post.translates :title
    Post.new.should respond_to :title
  end

  it "should be possible to run more than once" do
    Post.new.should_not respond_to :title, :body
    Post.translates :title
    Post.translates :body
    Post.new.should respond_to :title, :body
  end

  it "inherits columns from the superclass" do
    Post.translates :title
    SubPost.translates :body
    SubPost.new.should respond_to :title, :body
    Post.new.should respond_to :title
    Post.new.should_not respond_to :body
  end

end

describe Post, ".translatable_columns" do

  before do
    Post.translates :title
  end

  it "should list the translatable columns" do
    Post.translatable_columns.should == [ :title ]
  end

end

describe Post, "#title" do

  let(:post) { Post.new(:title_i18n => { :de => "Hallo", :en => "Hello", :sv => "Hej"} ) }

  before do
    Post.translates :title
    I18n.locale = :en
    I18n.default_locale = :de
  end

  it "should give the title in the current locale" do
    post.title.should == "Hello"
  end

  it "should fall back to the default locale if locale has entry" do
    I18n.locale = :ru
    post.title.should == "Hallo"
  end

  it "should fall back to the default locale if blank" do
    post.title_i18n[:en] = " "
    post.title.should == "Hallo"
  end

  it "should fall back to any other locale if default locale is blank" do
    post.title_i18n[:en] = " "
    post.title_i18n[:de] = ""
    post.title.should == "Hej"
  end

  it "should return nil if all are blank" do
    post.title_i18n[:en] = " "
    post.title_i18n[:de] = ""
    post.title_i18n[:sv] = nil
    post.title.should be_nil
  end

end

describe Post, "#title=" do

  before do
    Post.translates :title
    I18n.locale = :de
  end

  let(:post) { Post.new }

  it "should assign in the current locale" do
    post.title = "Hallo"
    post.title.should == "Hallo"
    post.title_i18n[:de].should == "Hallo"
  end

end