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