Ruby on rails Virtus是否支持散列[SomeKey=>;数组[CustomModel]]的属性?
例如:Ruby on rails Virtus是否支持散列[SomeKey=>;数组[CustomModel]]的属性?,ruby-on-rails,ruby,virtus,Ruby On Rails,Ruby,Virtus,例如: class Nested include Virtus.model attribute :name, String end class Base # Does not raise an exception even though the array failed to coerce! include Virtus.model(:strict => true) attribute :name, String attribute :nested, Nest
class Nested
include Virtus.model
attribute :name, String
end
class Base
# Does not raise an exception even though the array failed to coerce!
include Virtus.model(:strict => true)
attribute :name, String
attribute :nested, Nested
attribute :array , Array[Nested]
attribute :hash, Hash[String => Nested]
attribute :hash_array_int, Hash[String => Array[Integer]]
attribute :hash_array, Hash[String => Array[Nested]] # attribute in question!
end
如果我尝试创建以下对象:
a = Nested.new(name: "a")
b = Base.new(
name: "b",
nested: { name: "nested b" },
array: [{ name: "array 1" }, { name: "array 2" }],
hash: { "key": { name: "hash b" } },
hash_array_int: { "key": [1, 2, 3] },
hash_array: {
# The below fails to coerce the objects in the array
"key": [{ name: "hash_array 1"}, { name: "hash_array 2" }]
}
)
除了对:hash_数组
强制执行数组[Nested]
之外,每个属性都可以工作,从而提供堆栈跟踪:
NoMethodError: undefined method `call' for nil:NilClass
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute.rb:104:in `coerce'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute/collection.rb:79:in `block in coerce'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute/collection.rb:78:in `each'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute/collection.rb:78:in `each_with_object'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute/collection.rb:78:in `coerce'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute/hash.rb:110:in `block in coerce'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute/hash.rb:109:in `each'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute/hash.rb:109:in `each_with_object'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute/hash.rb:109:in `coerce'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute/coercible.rb:14:in `set'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute_set.rb:146:in `block in define_writer_method'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute_set.rb:173:in `block in set'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute_set.rb:170:in `each'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/attribute_set.rb:170:in `set'
from /.rvm/gems/ruby-2.2.4/gems/virtus-1.0.5/lib/virtus/instance_methods.rb:17:in `initialize'
from (irb):2:in `new'
因此,在中似乎没有正确创建强制程序
通过
和
在我开始使用自己的gem进行调试之前,是否有人知道一个干净的解决方法,或者我是否正在尝试正确地设置嵌套关系