active_model_serializers/test/adapter_test.rb
Benjamin Fleischer d9e76c29d5 Make Adapters registerable so they are not namespace-constrained
Changes:

- Introduce Adapter::get for use by Serializer.adapter
- Move Adapter-finding logic from Adapter::adapter_class into Adapter::get

Introduced interfaces:

- non-inherited methods
```ruby
ActiveModel::Serializer::Adapter.adapter_map     # a Hash<adapter_name, adapter_class>
ActiveModel::Serializer::Adapter.adapters        # an Array<adapter_name>
ActiveModel::Serializer::Adapter.register(name, klass) # adds an adapter to the adapter_map
ActiveModel::Serializer::Adapter.get(name_or_klass)    # raises Argument error when adapter not found
```

- Automatically register adapters when subclassing

```ruby
      def self.inherited(subclass)
        ActiveModel::Serializer::Adapter.register(subclass.to_s.demodulize, subclass)
      end
```

- Preserves subclass method `::adapter_class(adapter)`

```ruby
      def self.adapter_class(adapter)
        ActiveModel::Serializer::Adapter.get(adapter)
      end
```

- Serializer.adapter now uses `Adapter.get(config.adapter)` rather than have duplicate logic
2015-09-08 22:59:36 -05:00

43 lines
1.3 KiB
Ruby

require 'test_helper'
module ActiveModel
class Serializer
class AdapterTest < Minitest::Test
def setup
profile = Profile.new
@serializer = ProfileSerializer.new(profile)
@adapter = ActiveModel::Serializer::Adapter.new(@serializer)
end
def test_serializable_hash_is_abstract_method
assert_raises(NotImplementedError) do
@adapter.serializable_hash(only: [:name])
end
end
def test_serializer
assert_equal @serializer, @adapter.serializer
end
def test_create_adapter
adapter = ActiveModel::Serializer::Adapter.create(@serializer)
assert_equal ActiveModel::Serializer::Adapter::FlattenJson, adapter.class
end
def test_create_adapter_with_override
adapter = ActiveModel::Serializer::Adapter.create(@serializer, { adapter: :json_api })
assert_equal ActiveModel::Serializer::Adapter::JsonApi, adapter.class
end
def test_inflected_adapter_class_for_known_adapter
ActiveSupport::Inflector.inflections(:en) { |inflect| inflect.acronym 'API' }
klass = ActiveModel::Serializer::Adapter.adapter_class(:json_api)
ActiveSupport::Inflector.inflections.acronyms.clear
assert_equal ActiveModel::Serializer::Adapter::JsonApi, klass
end
end
end
end