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require 'cases/helper'
require 'models/post'
require 'models/author'
require 'models/comment'
require 'models/category'
require 'models/categorization'
module Remembered
extend ActiveSupport::DependencyModule
included do
after_create :remember
protected
def remember; self.class.remembered << self; end
end
module ClassMethods
def remembered; @@remembered ||= []; end
def rand; @@remembered.rand; end
end
end
class ShapeExpression < ActiveRecord::Base
belongs_to :shape, :polymorphic => true
belongs_to :paint, :polymorphic => true
end
class Circle < ActiveRecord::Base
has_many :shape_expressions, :as => :shape
include Remembered
end
class Square < ActiveRecord::Base
has_many :shape_expressions, :as => :shape
include Remembered
end
class Triangle < ActiveRecord::Base
has_many :shape_expressions, :as => :shape
include Remembered
end
class PaintColor < ActiveRecord::Base
has_many :shape_expressions, :as => :paint
belongs_to :non_poly, :foreign_key => "non_poly_one_id", :class_name => "NonPolyOne"
include Remembered
end
class PaintTexture < ActiveRecord::Base
has_many :shape_expressions, :as => :paint
belongs_to :non_poly, :foreign_key => "non_poly_two_id", :class_name => "NonPolyTwo"
include Remembered
end
class NonPolyOne < ActiveRecord::Base
has_many :paint_colors
include Remembered
end
class NonPolyTwo < ActiveRecord::Base
has_many :paint_textures
include Remembered
end
class EagerLoadPolyAssocsTest < ActiveRecord::TestCase
NUM_SIMPLE_OBJS = 50
NUM_SHAPE_EXPRESSIONS = 100
def setup
generate_test_object_graphs
end
def teardown
[Circle, Square, Triangle, PaintColor, PaintTexture,
ShapeExpression, NonPolyOne, NonPolyTwo].each do |c|
c.delete_all
end
end
def generate_test_object_graphs
1.upto(NUM_SIMPLE_OBJS) do
[Circle, Square, Triangle, NonPolyOne, NonPolyTwo].map(&:create!)
end
1.upto(NUM_SIMPLE_OBJS) do
PaintColor.create!(:non_poly_one_id => NonPolyOne.rand.id)
PaintTexture.create!(:non_poly_two_id => NonPolyTwo.rand.id)
end
1.upto(NUM_SHAPE_EXPRESSIONS) do
shape_type = [Circle, Square, Triangle].rand
paint_type = [PaintColor, PaintTexture].rand
ShapeExpression.create!(:shape_type => shape_type.to_s, :shape_id => shape_type.rand.id,
:paint_type => paint_type.to_s, :paint_id => paint_type.rand.id)
end
end
def test_include_query
res = 0
res = ShapeExpression.find :all, :include => [ :shape, { :paint => :non_poly } ]
assert_equal NUM_SHAPE_EXPRESSIONS, res.size
assert_queries(0) do
res.each do |se|
assert_not_nil se.paint.non_poly, "this is the association that was loading incorrectly before the change"
assert_not_nil se.shape, "just making sure other associations still work"
end
end
end
end
class EagerLoadNestedIncludeWithMissingDataTest < ActiveRecord::TestCase
def setup
@davey_mcdave = Author.create(:name => 'Davey McDave')
@first_post = @davey_mcdave.posts.create(:title => 'Davey Speaks', :body => 'Expressive wordage')
@first_comment = @first_post.comments.create(:body => 'Inflamatory doublespeak')
@first_categorization = @davey_mcdave.categorizations.create(:category => Category.first, :post => @first_post)
end
def teardown
@davey_mcdave.destroy
@first_post.destroy
@first_comment.destroy
@first_categorization.destroy
end
def test_missing_data_in_a_nested_include_should_not_cause_errors_when_constructing_objects
assert_nothing_raised do
# @davey_mcdave doesn't have any author_favorites
includes = {:posts => :comments, :categorizations => :category, :author_favorites => :favorite_author }
Author.all :include => includes, :conditions => {:authors => {:name => @davey_mcdave.name}}, :order => 'categories.name'
end
end
end
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