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require 'cases/helper'
class OverloadedType < ActiveRecord::Base
attribute :overloaded_float, Type::Integer.new
attribute :overloaded_string_with_limit, Type::String.new(limit: 50)
attribute :non_existent_decimal, Type::Decimal.new
attribute :string_with_default, Type::String.new, default: 'the overloaded default'
end
class ChildOfOverloadedType < OverloadedType
end
class GrandchildOfOverloadedType < ChildOfOverloadedType
attribute :overloaded_float, Type::Float.new
end
class UnoverloadedType < ActiveRecord::Base
self.table_name = 'overloaded_types'
end
module ActiveRecord
class CustomPropertiesTest < ActiveRecord::TestCase
test "overloading types" do
data = OverloadedType.new
data.overloaded_float = "1.1"
data.unoverloaded_float = "1.1"
assert_equal 1, data.overloaded_float
assert_equal 1.1, data.unoverloaded_float
end
test "overloaded properties save" do
data = OverloadedType.new
data.overloaded_float = "2.2"
data.save!
data.reload
assert_equal 2, data.overloaded_float
assert_kind_of Fixnum, OverloadedType.last.overloaded_float
assert_equal 2.0, UnoverloadedType.last.overloaded_float
assert_kind_of Float, UnoverloadedType.last.overloaded_float
end
test "properties assigned in constructor" do
data = OverloadedType.new(overloaded_float: '3.3')
assert_equal 3, data.overloaded_float
end
test "overloaded properties with limit" do
assert_equal 50, OverloadedType.columns_hash['overloaded_string_with_limit'].limit
assert_equal 255, UnoverloadedType.columns_hash['overloaded_string_with_limit'].limit
end
test "nonexistent attribute" do
data = OverloadedType.new(non_existent_decimal: 1)
assert_equal BigDecimal.new(1), data.non_existent_decimal
assert_raise ActiveRecord::UnknownAttributeError do
UnoverloadedType.new(non_existent_decimal: 1)
end
end
test "changing defaults" do
data = OverloadedType.new
unoverloaded_data = UnoverloadedType.new
assert_equal 'the overloaded default', data.string_with_default
assert_equal 'the original default', unoverloaded_data.string_with_default
end
test "defaults are not touched on the columns" do
assert_equal 'the original default', OverloadedType.columns_hash['string_with_default'].default
end
test "children inherit custom properties" do
data = ChildOfOverloadedType.new(overloaded_float: '4.4')
assert_equal 4, data.overloaded_float
end
test "children can override parents" do
data = GrandchildOfOverloadedType.new(overloaded_float: '4.4')
assert_equal 4.4, data.overloaded_float
end
test "overloading properties does not change column order" do
column_names = OverloadedType.column_names
assert_equal %w(id overloaded_float unoverloaded_float overloaded_string_with_limit string_with_default non_existent_decimal), column_names
end
test "caches are cleared" do
klass = Class.new(OverloadedType)
assert_equal 6, klass.columns.length
assert_not klass.columns_hash.key?('wibble')
assert_equal 6, klass.column_types.length
assert_equal 6, klass.column_defaults.length
assert_not klass.column_names.include?('wibble')
assert_equal 5, klass.content_columns.length
klass.attribute :wibble, Type::Value.new
assert_equal 7, klass.columns.length
assert klass.columns_hash.key?('wibble')
assert_equal 7, klass.column_types.length
assert_equal 7, klass.column_defaults.length
assert klass.column_names.include?('wibble')
assert_equal 6, klass.content_columns.length
end
end
end
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