405 lines
14 KiB
Ruby
405 lines
14 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require "cases/helper"
|
|
|
|
class OverloadedType < ActiveRecord::Base
|
|
attribute :overloaded_float, :integer
|
|
attribute :overloaded_string_with_limit, :string, limit: 50
|
|
attribute :non_existent_decimal, :decimal
|
|
attribute :string_with_default, :string, default: "the overloaded default"
|
|
end
|
|
|
|
class ChildOfOverloadedType < OverloadedType
|
|
end
|
|
|
|
class GrandchildOfOverloadedType < ChildOfOverloadedType
|
|
attribute :overloaded_float, :float
|
|
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 Integer, 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.type_for_attribute("overloaded_string_with_limit").limit
|
|
assert_equal 255, UnoverloadedType.type_for_attribute("overloaded_string_with_limit").limit
|
|
end
|
|
|
|
test "overloaded default but keeping its own type" do
|
|
klass = Class.new(UnoverloadedType) do
|
|
attribute :overloaded_string_with_limit, default: "the overloaded default"
|
|
end
|
|
|
|
assert_equal 255, UnoverloadedType.type_for_attribute("overloaded_string_with_limit").limit
|
|
assert_equal 255, klass.type_for_attribute("overloaded_string_with_limit").limit
|
|
|
|
assert_nil UnoverloadedType.new.overloaded_string_with_limit
|
|
assert_equal "the overloaded default", klass.new.overloaded_string_with_limit
|
|
end
|
|
|
|
test "attributes with overridden types keep their type when a default value is configured separately" do
|
|
child = Class.new(OverloadedType) do
|
|
attribute :overloaded_float, default: "123"
|
|
end
|
|
|
|
assert_equal OverloadedType.type_for_attribute("overloaded_float"), child.type_for_attribute("overloaded_float")
|
|
assert_equal 123, child.new.overloaded_float
|
|
end
|
|
|
|
test "extra options are forwarded to the type caster constructor" do
|
|
klass = Class.new(OverloadedType) do
|
|
attribute :starts_at, :datetime, precision: 3, limit: 2, scale: 1, default: -> { Time.now.utc }
|
|
end
|
|
|
|
starts_at_type = klass.type_for_attribute(:starts_at)
|
|
|
|
assert_equal 3, starts_at_type.precision
|
|
assert_equal 2, starts_at_type.limit
|
|
assert_equal 1, starts_at_type.scale
|
|
|
|
assert_kind_of Type::DateTime, starts_at_type
|
|
assert_instance_of Time, klass.new.starts_at
|
|
end
|
|
|
|
test "time zone aware attribute" do
|
|
with_timezone_config aware_attributes: true, zone: "Pacific Time (US & Canada)" do
|
|
klass = Class.new(OverloadedType) do
|
|
attribute :starts_at, :datetime, precision: 3, default: -> { Time.now.utc }
|
|
attribute :ends_at, default: -> { Time.now.utc }
|
|
end
|
|
|
|
starts_at_type = klass.type_for_attribute(:starts_at)
|
|
ends_at_type = klass.type_for_attribute(:ends_at)
|
|
|
|
assert_instance_of AttributeMethods::TimeZoneConversion::TimeZoneConverter, starts_at_type
|
|
assert_instance_of AttributeMethods::TimeZoneConversion::TimeZoneConverter, ends_at_type
|
|
assert_kind_of Type::DateTime, starts_at_type.__getobj__
|
|
assert_kind_of Type::DateTime, ends_at_type.__getobj__
|
|
assert_instance_of ActiveSupport::TimeWithZone, klass.new.starts_at
|
|
assert_instance_of ActiveSupport::TimeWithZone, klass.new.ends_at
|
|
end
|
|
end
|
|
|
|
test "nonexistent attribute" do
|
|
data = OverloadedType.new(non_existent_decimal: 1)
|
|
|
|
assert_equal BigDecimal(1), data.non_existent_decimal
|
|
assert_raise ActiveRecord::UnknownAttributeError do
|
|
UnoverloadedType.new(non_existent_decimal: 1)
|
|
end
|
|
end
|
|
|
|
test "model with nonexistent attribute with default value can be saved" do
|
|
klass = Class.new(OverloadedType) do
|
|
attribute :non_existent_string_with_default, :string, default: "nonexistent"
|
|
end
|
|
|
|
model = klass.new
|
|
assert model.save
|
|
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 attribute method order" do
|
|
attribute_names = OverloadedType.attribute_names
|
|
expected = OverloadedType.column_names + ["non_existent_decimal"]
|
|
assert_equal expected, attribute_names
|
|
end
|
|
|
|
test "caches are cleared" do
|
|
klass = Class.new(OverloadedType)
|
|
column_count = klass.columns.length
|
|
|
|
assert_equal column_count + 1, klass.attribute_types.length
|
|
assert_equal column_count + 1, klass.column_defaults.length
|
|
assert_equal column_count + 1, klass.attribute_names.length
|
|
assert_not klass.attribute_types.include?("wibble")
|
|
|
|
klass.attribute :wibble, Type::Value.new
|
|
|
|
assert_equal column_count + 2, klass.attribute_types.length
|
|
assert_equal column_count + 2, klass.column_defaults.length
|
|
assert_equal column_count + 2, klass.attribute_names.length
|
|
assert_includes klass.attribute_types, "wibble"
|
|
end
|
|
|
|
test "the given default value is cast from user" do
|
|
custom_type = Class.new(Type::Value) do
|
|
def cast(*)
|
|
"from user"
|
|
end
|
|
|
|
def deserialize(*)
|
|
"from database"
|
|
end
|
|
end
|
|
|
|
klass = Class.new(OverloadedType) do
|
|
attribute :wibble, custom_type.new, default: "default"
|
|
end
|
|
model = klass.new
|
|
|
|
assert_equal "from user", model.wibble
|
|
end
|
|
|
|
test "procs for default values" do
|
|
klass = Class.new(OverloadedType) do
|
|
@@counter = 0
|
|
attribute :counter, :integer, default: -> { @@counter += 1 }
|
|
end
|
|
|
|
assert_equal 1, klass.new.counter
|
|
assert_equal 2, klass.new.counter
|
|
end
|
|
|
|
test "procs for default values are evaluated even after column_defaults is called" do
|
|
klass = Class.new(OverloadedType) do
|
|
@@counter = 0
|
|
attribute :counter, :integer, default: -> { @@counter += 1 }
|
|
end
|
|
|
|
assert_equal 1, klass.new.counter
|
|
|
|
# column_defaults will increment the counter since the proc is called
|
|
klass.column_defaults
|
|
|
|
assert_equal 3, klass.new.counter
|
|
end
|
|
|
|
test "procs are memoized before type casting" do
|
|
klass = Class.new(OverloadedType) do
|
|
@@counter = 0
|
|
attribute :counter, :integer, default: -> { @@counter += 1 }
|
|
end
|
|
|
|
model = klass.new
|
|
assert_equal 1, model.counter_before_type_cast
|
|
assert_equal 1, model.counter_before_type_cast
|
|
end
|
|
|
|
test "user provided defaults are persisted even if unchanged" do
|
|
model = OverloadedType.create!
|
|
|
|
assert_equal "the overloaded default", model.reload.string_with_default
|
|
end
|
|
|
|
if current_adapter?(:PostgreSQLAdapter)
|
|
test "array types can be specified" do
|
|
klass = Class.new(OverloadedType) do
|
|
attribute :my_array, :string, limit: 50, array: true
|
|
attribute :my_int_array, :integer, array: true
|
|
end
|
|
|
|
string_array = ConnectionAdapters::PostgreSQL::OID::Array.new(
|
|
Type::String.new(limit: 50))
|
|
int_array = ConnectionAdapters::PostgreSQL::OID::Array.new(
|
|
Type::Integer.new)
|
|
assert_not_equal string_array, int_array
|
|
assert_equal string_array, klass.type_for_attribute("my_array")
|
|
assert_equal int_array, klass.type_for_attribute("my_int_array")
|
|
end
|
|
|
|
test "range types can be specified" do
|
|
klass = Class.new(OverloadedType) do
|
|
attribute :my_range, :string, limit: 50, range: true
|
|
attribute :my_int_range, :integer, range: true
|
|
end
|
|
|
|
string_range = ConnectionAdapters::PostgreSQL::OID::Range.new(
|
|
Type::String.new(limit: 50))
|
|
int_range = ConnectionAdapters::PostgreSQL::OID::Range.new(
|
|
Type::Integer.new)
|
|
assert_not_equal string_range, int_range
|
|
assert_equal string_range, klass.type_for_attribute("my_range")
|
|
assert_equal int_range, klass.type_for_attribute("my_int_range")
|
|
end
|
|
end
|
|
|
|
test "attributes added after subclasses load are inherited" do
|
|
parent = Class.new(ActiveRecord::Base) do
|
|
self.table_name = "topics"
|
|
end
|
|
|
|
child = Class.new(parent)
|
|
child.new # => force a schema load
|
|
|
|
parent.attribute(:foo, Type::Value.new)
|
|
|
|
assert_equal(:bar, child.new(foo: :bar).foo)
|
|
end
|
|
|
|
test "attributes not backed by database columns are not dirty when unchanged" do
|
|
assert_not_predicate OverloadedType.new, :non_existent_decimal_changed?
|
|
end
|
|
|
|
test "attributes not backed by database columns are always initialized" do
|
|
OverloadedType.create!
|
|
model = OverloadedType.last
|
|
|
|
assert_nil model.non_existent_decimal
|
|
model.non_existent_decimal = "123"
|
|
assert_equal 123, model.non_existent_decimal
|
|
end
|
|
|
|
test "attributes not backed by database columns return the default on models loaded from database" do
|
|
child = Class.new(OverloadedType) do
|
|
attribute :non_existent_decimal, :decimal, default: 123
|
|
end
|
|
child.create!
|
|
model = child.last
|
|
|
|
assert_equal 123, model.non_existent_decimal
|
|
end
|
|
|
|
test "attributes not backed by database columns keep their type when a default value is configured separately" do
|
|
child = Class.new(OverloadedType) do
|
|
attribute :non_existent_decimal, default: "123"
|
|
end
|
|
|
|
assert_equal OverloadedType.type_for_attribute("non_existent_decimal"), child.type_for_attribute("non_existent_decimal")
|
|
assert_equal 123, child.new.non_existent_decimal
|
|
end
|
|
|
|
test "attributes not backed by database columns properly interact with mutation and dirty" do
|
|
child = Class.new(ActiveRecord::Base) do
|
|
self.table_name = "topics"
|
|
attribute :foo, :string, default: "lol"
|
|
end
|
|
child.create!
|
|
model = child.last
|
|
|
|
assert_equal "lol", model.foo
|
|
|
|
model.foo << "asdf"
|
|
assert_equal "lolasdf", model.foo
|
|
assert_predicate model, :foo_changed?
|
|
|
|
model.reload
|
|
assert_equal "lol", model.foo
|
|
|
|
model.foo = "lol"
|
|
assert_not_predicate model, :changed?
|
|
end
|
|
|
|
test "attributes not backed by database columns appear in inspect" do
|
|
inspection = OverloadedType.new.inspect
|
|
|
|
assert_includes inspection, "non_existent_decimal"
|
|
end
|
|
|
|
test "attributes do not require a type" do
|
|
klass = Class.new(OverloadedType) do
|
|
attribute :no_type
|
|
end
|
|
assert_equal 1, klass.new(no_type: 1).no_type
|
|
assert_equal "foo", klass.new(no_type: "foo").no_type
|
|
end
|
|
|
|
test "attributes do not require a connection is established" do
|
|
assert_not_called(ActiveRecord::Base, :connection) do
|
|
Class.new(OverloadedType) do
|
|
attribute :foo, :string
|
|
end
|
|
end
|
|
end
|
|
|
|
test "unknown type error is raised" do
|
|
assert_raise(ArgumentError) do
|
|
OverloadedType.attribute :foo, :unknown
|
|
end
|
|
end
|
|
|
|
test "immutable_strings_by_default changes schema inference for string columns" do
|
|
with_immutable_strings do
|
|
OverloadedType.reset_column_information
|
|
immutable_string_type = Type.lookup(:immutable_string).class
|
|
assert_instance_of immutable_string_type, OverloadedType.type_for_attribute("inferred_string")
|
|
end
|
|
end
|
|
|
|
test "immutable_strings_by_default retains limit information" do
|
|
with_immutable_strings do
|
|
OverloadedType.reset_column_information
|
|
assert_equal 255, OverloadedType.type_for_attribute("inferred_string").limit
|
|
end
|
|
end
|
|
|
|
test "immutable_strings_by_default does not affect `attribute :foo, :string`" do
|
|
with_immutable_strings do
|
|
OverloadedType.reset_column_information
|
|
default_string_type = Type.lookup(:string).class
|
|
assert_instance_of default_string_type, OverloadedType.type_for_attribute("string_with_default")
|
|
end
|
|
end
|
|
|
|
test "serialize boolean for both string types" do
|
|
default_string_type = Type.lookup(:string)
|
|
immutable_string_type = Type.lookup(:immutable_string)
|
|
assert_equal default_string_type.serialize(true), immutable_string_type.serialize(true)
|
|
assert_equal default_string_type.serialize(false), immutable_string_type.serialize(false)
|
|
end
|
|
|
|
private
|
|
def with_immutable_strings
|
|
old_value = ActiveRecord::Base.immutable_strings_by_default
|
|
ActiveRecord::Base.immutable_strings_by_default = true
|
|
yield
|
|
ensure
|
|
ActiveRecord::Base.immutable_strings_by_default = old_value
|
|
end
|
|
end
|
|
end
|