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# frozen_string_literal: true
require "cases/helper"
require "models/post"
require "models/comment"
module ActiveRecord
module DelegationTests
ARRAY_DELEGATES = [
:+, :-, :|, :&, :[], :shuffle,
:all?, :collect, :compact, :detect, :each, :each_cons, :each_with_index,
:exclude?, :find_all, :flat_map, :group_by, :include?, :length,
:map, :none?, :one?, :partition, :reject, :reverse, :rotate,
:sample, :second, :sort, :sort_by, :slice, :third, :index, :rindex,
:to_ary, :to_set, :to_xml, :to_yaml, :join,
:in_groups, :in_groups_of, :to_sentence, :to_formatted_s, :as_json
]
ARRAY_DELEGATES.each do |method|
define_method "test_delegates_#{method}_to_Array" do
assert_respond_to target, method
end
end
def test_not_respond_to_arel_method
assert_not_respond_to target, :exists
end
end
class DelegationAssociationTest < ActiveRecord::TestCase
include DelegationTests
def target
Post.new.comments
end
end
class DelegationRelationTest < ActiveRecord::TestCase
include DelegationTests
def target
Comment.all
end
end
class QueryingMethodsDelegationTest < ActiveRecord::TestCase
QUERYING_METHODS =
ActiveRecord::Batches.public_instance_methods(false) +
ActiveRecord::Calculations.public_instance_methods(false) +
ActiveRecord::FinderMethods.public_instance_methods(false) - [:raise_record_not_found_exception!] +
ActiveRecord::SpawnMethods.public_instance_methods(false) - [:spawn, :merge!] +
ActiveRecord::QueryMethods.public_instance_methods(false).reject { |method|
method.to_s.end_with?("=", "!", "value", "values", "clause")
} - [:reverse_order, :arel, :extensions, :construct_join_dependency] + [
:any?, :many?, :none?, :one?,
:first_or_create, :first_or_create!, :first_or_initialize,
:find_or_create_by, :find_or_create_by!, :find_or_initialize_by,
:create_or_find_by, :create_or_find_by!,
:destroy_all, :delete_all, :update_all, :touch_all, :delete_by, :destroy_by
]
def test_delegate_querying_methods
klass = Class.new(ActiveRecord::Base) do
self.table_name = "posts"
end
assert_equal QUERYING_METHODS.sort, ActiveRecord::Querying::QUERYING_METHODS.sort
QUERYING_METHODS.each do |method|
assert_respond_to klass.all, method
assert_respond_to klass, method
end
end
end
end
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