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# frozen_string_literal: true
require "cases/helper"
require "models/post"
require "models/tag"
require "models/author"
require "models/comment"
require "models/category"
require "models/categorization"
require "models/tagging"
module Remembered
extend ActiveSupport::Concern
included do
after_create :remember
private
def remember; self.class.remembered << self; end
end
module ClassMethods
def remembered; @@remembered ||= []; end
def sample; @@remembered.sample; 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
teardown do
[Circle, Square, Triangle, PaintColor, PaintTexture,
ShapeExpression, NonPolyOne, NonPolyTwo].each(&:delete_all)
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.sample.id)
PaintTexture.create!(non_poly_two_id: NonPolyTwo.sample.id)
end
1.upto(NUM_SHAPE_EXPRESSIONS) do
shape_type = [Circle, Square, Triangle].sample
paint_type = [PaintColor, PaintTexture].sample
ShapeExpression.create!(shape_type: shape_type.to_s, shape_id: shape_type.sample.id,
paint_type: paint_type.to_s, paint_id: paint_type.sample.id)
end
end
def test_include_query
res = ShapeExpression.all.merge!(includes: [ :shape, { paint: :non_poly } ]).to_a
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
teardown do
@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.merge!(includes: includes, where: { authors: { name: @davey_mcdave.name } }, order: "categories.name").to_a
end
end
end
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