hstore_test.rb

require "cases/helper"
require 'support/schema_dumping_helper'

if ActiveRecord::Base.connection.supports_extensions?
  class PostgresqlHstoreTest < ActiveRecord::PostgreSQLTestCase
    include SchemaDumpingHelper
    class Hstore < ActiveRecord::Base
      self.table_name = 'hstores'

      store_accessor :settings, :language, :timezone
    end

    def setup
      @connection = ActiveRecord::Base.connection

      unless @connection.extension_enabled?('hstore')
        @connection.enable_extension 'hstore'
        @connection.commit_db_transaction
      end

      @connection.reconnect!

      @connection.transaction do
        @connection.create_table('hstores') do |t|
          t.hstore 'tags', :default => ''
          t.hstore 'payload', array: true
          t.hstore 'settings'
        end
      end
      Hstore.reset_column_information
      @column = Hstore.columns_hash['tags']
      @type = Hstore.type_for_attribute("tags")
    end

    teardown do
      @connection.drop_table 'hstores', if_exists: true
    end

    def test_illegal_characters
      x = Hstore.create!(:tags => {"ab" => "c\u0000d"})
    end
  end
end