rspec model test

gistfile1.rb

require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
module FinanceRecordSpecHelper
  def valid_attributes
    {
      :item_type => "YinsouRecord",
      :currency => "CNY",
      :price => 500.12,
      :loading_bill => LoadingBill.first,
      :remark => "remark",
      :state => "可付"
    }
  end
end

describe FinanceRecord do
  include FinanceRecordSpecHelper

  before(:each) do
    @record = FinanceRecord.new
  end

  context "should be invalid" do
    it "empty" do
      @record.should_not be_valid
    end

    %w{currency loading_bill state}.each do |field|
      it "require #{field}" do
        @record.should_not be_valid
        @record.errors.on(field.to_sym).should == I18n.t("activerecord.errors.messages.blank")
      end
    end

    it "item_type" do
      %w{error nil}.each do |value|
        @record.attributes = valid_attributes.merge(:item_type => value)

        @record.should_not be_valid
        @record.errors.on(:item_type).should == I18n.t("activerecord.errors.messages.inclusion")
      end
    end
  end
  it "valid" do
    @record.attributes = valid_attributes
    @record.should be_valid
  end

  it "belongs to loading_bill" do
    FinanceRecord.first.loading_bill.should be_a_kind_of LoadingBill
  end
end