require File.expand_path('test_helper', File.dirname(__FILE__))

class Factory; end
class Company; end

class Employee
  def self.human_name; 'Employee'; end
end

class EmployeesController < InheritedResources::Base
  belongs_to :factory, :company, :polymorphic => true
end

class PolymorphicFactoriesTest < ActionController::TestCase
  tests EmployeesController

  def setup
    Factory.expects(:find).with('37').returns(mock_factory)
    mock_factory.expects(:employees).returns(Employee)

    @controller.stubs(:resource_url).returns('/')
    @controller.stubs(:collection_url).returns('/')
  end

  def test_expose_all_employees_as_instance_variable_on_index
    Employee.expects(:scoped).returns([mock_employee])
    get :index, :factory_id => '37'
    assert_equal mock_factory, assigns(:factory)
    assert_equal [mock_employee], assigns(:employees)
  end

  def test_expose_the_requested_employee_on_show
    Employee.expects(:find).with('42').returns(mock_employee)
    get :show, :id => '42', :factory_id => '37'
    assert_equal mock_factory, assigns(:factory)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_expose_a_new_employee_on_new
    Employee.expects(:build).returns(mock_employee)
    get :new, :factory_id => '37'
    assert_equal mock_factory, assigns(:factory)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_expose_the_requested_employee_on_edit
    Employee.expects(:find).with('42').returns(mock_employee)
    get :edit, :id => '42', :factory_id => '37'
    assert_equal mock_factory, assigns(:factory)
    assert_equal mock_employee, assigns(:employee)
    assert_response :success
  end

  def test_expose_a_newly_create_employee_on_create
    Employee.expects(:build).with({'these' => 'params'}).returns(mock_employee(:save => true))
    post :create, :factory_id => '37', :employee => {:these => 'params'}
    assert_equal mock_factory, assigns(:factory)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_update_the_requested_object_on_update
    Employee.expects(:find).with('42').returns(mock_employee)
    mock_employee.expects(:update_attributes).with({'these' => 'params'}).returns(true)
    put :update, :id => '42', :factory_id => '37', :employee => {:these => 'params'}
    assert_equal mock_factory, assigns(:factory)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_the_requested_employee_is_destroyed_on_destroy
    Employee.expects(:find).with('42').returns(mock_employee)
    mock_employee.expects(:destroy)
    delete :destroy, :id => '42', :factory_id => '37'
    assert_equal mock_factory, assigns(:factory)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_polymorphic_helpers
    mock_factory.stubs(:class).returns(Factory)

    Employee.expects(:scoped).returns([mock_employee])
    get :index, :factory_id => '37'

    assert @controller.send(:parent?)
    assert_equal :factory, assigns(:parent_type)
    assert_equal :factory, @controller.send(:parent_type)
    assert_equal Factory, @controller.send(:parent_class)
    assert_equal mock_factory, assigns(:factory)
    assert_equal mock_factory, @controller.send(:parent)
  end

  protected
    def mock_factory(stubs={})
      @mock_factory ||= mock(stubs)
    end

    def mock_employee(stubs={})
      @mock_employee ||= mock(stubs)
    end
end

class PolymorphicCompanyTest < ActionController::TestCase
  tests EmployeesController

  def setup
    Company.expects(:find).with('37').returns(mock_company)
    mock_company.expects(:employees).returns(Employee)

    @controller.stubs(:resource_url).returns('/')
    @controller.stubs(:collection_url).returns('/')
  end

  def test_expose_all_employees_as_instance_variable_on_index
    Employee.expects(:scoped).returns([mock_employee])
    get :index, :company_id => '37'
    assert_equal mock_company, assigns(:company)
    assert_equal [mock_employee], assigns(:employees)
  end

  def test_expose_the_requested_employee_on_show
    Employee.expects(:find).with('42').returns(mock_employee)
    get :show, :id => '42', :company_id => '37'
    assert_equal mock_company, assigns(:company)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_expose_a_new_employee_on_new
    Employee.expects(:build).returns(mock_employee)
    get :new, :company_id => '37'
    assert_equal mock_company, assigns(:company)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_expose_the_requested_employee_on_edit
    Employee.expects(:find).with('42').returns(mock_employee)
    get :edit, :id => '42', :company_id => '37'
    assert_equal mock_company, assigns(:company)
    assert_equal mock_employee, assigns(:employee)
    assert_response :success
  end

  def test_expose_a_newly_create_employee_on_create
    Employee.expects(:build).with({'these' => 'params'}).returns(mock_employee(:save => true))
    post :create, :company_id => '37', :employee => {:these => 'params'}
    assert_equal mock_company, assigns(:company)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_update_the_requested_object_on_update
    Employee.expects(:find).with('42').returns(mock_employee)
    mock_employee.expects(:update_attributes).with({'these' => 'params'}).returns(true)
    put :update, :id => '42', :company_id => '37', :employee => {:these => 'params'}
    assert_equal mock_company, assigns(:company)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_the_requested_employee_is_destroyed_on_destroy
    Employee.expects(:find).with('42').returns(mock_employee)
    mock_employee.expects(:destroy)
    delete :destroy, :id => '42', :company_id => '37'
    assert_equal mock_company, assigns(:company)
    assert_equal mock_employee, assigns(:employee)
  end

  def test_polymorphic_helpers
    mock_company.stubs(:class).returns(Company)

    Employee.expects(:scoped).returns([mock_employee])
    get :index, :company_id => '37'

    assert @controller.send(:parent?)
    assert_equal :company, assigns(:parent_type)
    assert_equal :company, @controller.send(:parent_type)
    assert_equal Company, @controller.send(:parent_class)
    assert_equal mock_company, assigns(:company)
    assert_equal mock_company, @controller.send(:parent)
  end

  protected
    def mock_company(stubs={})
      @mock_company ||= mock(stubs)
    end

    def mock_employee(stubs={})
      @mock_employee ||= mock(stubs)
    end
end