gistfile1.builder

context "with valid MortgageUtil" do
  before(:all) do
    @mortgage_util = MortgageUtil.new(100000, 6.0, 360, 1200, 1.25)
  end
  it "should have proper monthly interest rate" do
    @mortgage_util.send(:monthly_interst_rate).should == 0.005
  end
  it "should have proper monthly payment" do
    @mortgage_util.monthly_payment.should be_close(599.55, 0.001)
  end
  it "should have proper total fees" do
    @mortgage_util.total_fees.should be_close(2450, 0.001)
  end
  it "should have proper APR" do
    @mortgage_util.apr.should be_close(6.22726, 0.00001)
  end
end