require File.dirname(__FILE__) + '/spec_helper'

describe "hash extentions" do
  it "limit_to_keys should limit keys in hash" do
    h = {:bro1=>'me',:bro2=>'rob',:bro3=>'eric'}
    h.limit_to_keys([:bro1,:bro2]).should == {:bro1=>'me',:bro2=>'rob'}
    h.should == {:bro1=>'me',:bro2=>'rob',:bro3=>'eric'}
  end

  it "limit_to_keys! should destructively limit keys in hash" do
    h = {:bro1=>'me',:bro2=>'rob',:bro3=>'eric'}
    h.limit_to_keys!([:bro1,:bro2]).should == {:bro1=>'me',:bro2=>'rob'}
    h.should == {:bro1=>'me',:bro2=>'rob'}
  end

  it "soft deletes" do
    h = {:dan=>1,:eric=>2}
    h.soft_delete(:dan).should == {:eric=>2}
  end
end