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Edit File: multiple_db_test.rb

require "cases/helper"
require 'models/entrant'

# So we can test whether Course.connection survives a reload.
require_dependency 'models/course'

class MultipleDbTest < ActiveRecord::TestCase
  self.use_transactional_fixtures = false

def setup
    @courses  = create_fixtures("courses") { Course.retrieve_connection }
    @entrants = create_fixtures("entrants")
  end

def test_connected
    assert_not_nil Entrant.connection
    assert_not_nil Course.connection
  end

def test_proper_connection
    assert_not_equal(Entrant.connection, Course.connection)
    assert_equal(Entrant.connection, Entrant.retrieve_connection)
    assert_equal(Course.connection, Course.retrieve_connection)
    assert_equal(ActiveRecord::Base.connection, Entrant.connection)
  end

def test_find
    c1 = Course.find(1)
    assert_equal "Ruby Development", c1.name
    c2 = Course.find(2)
    assert_equal "Java Development", c2.name
    e1 = Entrant.find(1)
    assert_equal "Ruby Developer", e1.name
    e2 = Entrant.find(2)
    assert_equal "Ruby Guru", e2.name
    e3 = Entrant.find(3)
    assert_equal "Java Lover", e3.name
  end

def test_associations
    c1 = Course.find(1)
    assert_equal 2, c1.entrants.count
    e1 = Entrant.find(1)
    assert_equal e1.course.id, c1.id
    c2 = Course.find(2)
    assert_equal 1, c2.entrants.count
    e3 = Entrant.find(3)
    assert_equal e3.course.id, c2.id
  end

def test_course_connection_should_survive_dependency_reload
    assert Course.connection

ActiveSupport::Dependencies.clear
    Object.send(:remove_const, :Course)
    require_dependency 'models/course'

assert Course.connection
  end
end

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