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require "cases/helper"
require 'models/post'
require 'models/comment'
require 'models/project'
require 'models/developer'
require 'models/company_in_module'
class AssociationsExtensionsTest < ActiveRecord::TestCase
fixtures :projects, :developers, :developers_projects, :comments, :posts
def test_extension_on_has_many
assert_equal comments(:more_greetings), posts(:welcome).comments.find_most_recent
end
def test_extension_on_habtm
assert_equal projects(:action_controller), developers(:david).projects.find_most_recent
end
def test_named_extension_on_habtm
assert_equal projects(:action_controller), developers(:david).projects_extended_by_name.find_most_recent
end
def test_named_two_extensions_on_habtm
assert_equal projects(:action_controller), developers(:david).projects_extended_by_name_twice.find_most_recent
assert_equal projects(:active_record), developers(:david).projects_extended_by_name_twice.find_least_recent
end
def test_named_extension_and_block_on_habtm
assert_equal projects(:action_controller), developers(:david).projects_extended_by_name_and_block.find_most_recent
assert_equal projects(:active_record), developers(:david).projects_extended_by_name_and_block.find_least_recent
end
def test_extension_with_scopes
assert_equal comments(:greetings), posts(:welcome).comments.offset(1).find_most_recent
assert_equal comments(:greetings), posts(:welcome).comments.not_again.find_most_recent
end
def test_marshalling_extensions
david = developers(:david)
assert_equal projects(:action_controller), david.projects.find_most_recent
marshalled = Marshal.dump(david)
david = Marshal.load(marshalled)
assert_equal projects(:action_controller), david.projects.find_most_recent
end
def test_marshalling_named_extensions
david = developers(:david)
assert_equal projects(:action_controller), david.projects_extended_by_name.find_most_recent
marshalled = Marshal.dump(david)
david = Marshal.load(marshalled)
assert_equal projects(:action_controller), david.projects_extended_by_name.find_most_recent
end
def test_extension_name
assert_equal 'DeveloperAssociationNameAssociationExtension', extension_name(Developer)
assert_equal 'MyApplication::Business::DeveloperAssociationNameAssociationExtension', extension_name(MyApplication::Business::Developer)
assert_equal 'MyApplication::Business::DeveloperAssociationNameAssociationExtension', extension_name(MyApplication::Business::Developer)
end
def test_proxy_association_after_scoped
post = posts(:welcome)
assert_equal post.association(:comments), post.comments.the_association
assert_equal post.association(:comments), post.comments.scoped.the_association
end
private
def extension_name(model)
builder = ActiveRecord::Associations::Builder::HasMany.new(model, :association_name, {}) { }
builder.send(:wrap_block_extension)
builder.options[:extend].first.name
end
end
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