#
#  test_system.rb - Unit tests.
#
# Copyright (C) 2008, 2009, Red Hat, Inc.
# Written by Darryl L. Pierce <dpierce@redhat.com>
#
# This file is part of rubygem-cobbler.
#
# rubygem-cobbleris free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 2.1 of the License, or
# (at your option) any later version.
#
# rubygem-cobbler is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with rubygem-cobbler.  If not, see <http://www.gnu.org/licenses/>.
#

$:.unshift File.join(File.dirname(__FILE__),'..','lib')

require 'test/unit'
require 'flexmock/test_unit'
require 'cobbler'

module Cobbler
  class TestBase < Test::Unit::TestCase
    def setup
      @connection     = flexmock('connection')
      Base.connection = @connection
      Base.hostname   = "localhost"
      @username       = 'dpierce'
      @password       = 'farkle'
      Base.username   = @username
      Base.password   = @password
    end

    # Ensures that beginning a transaction results in creating a connection.
    #
    def test_begin_transaction
      assert_same @connection, Base.begin_transaction, 'Did not create a connection.'
    end

    # Ensures that a login submits the username and password to the Cobbler server.
    #
    def test_login
      @connection.should_receive(:call).with('login',@username, @password).once.returns(true)

      Base.login
    end

    # Ensures that, if no connection exists, making a call throws an exception.
    #
    def test_make_call_without_connection
      Base.connection = nil

      assert_raises(Exception) {Base.make_call('test')}
    end

    # Ensures that making a call actually sends the data.
    #
    def test_make_call
      @connection.should_receive(:call).with('test').once.returns('farkle')

      result = Base.make_call('test')

      assert_equal result, 'farkle', 'Did not get the expected result.'
    end

    # Ensures that ending a transaction closes the connection.
    #
    def test_end_transaction
      Base.end_transaction

      # we can't just call Base.connect since that will create a new object,
      # so we'll try to send data and, if that raises an exception, we'll
      # know indirectly that the connection object is gone.
      assert_raises(Exception) {Base.make_call}
    end
  end
end