Filled out some specs for #716.

lib/grape/dsl/callbacks.rb

@@ -5,10 +5,6 @@ module DSL
     module Callbacks
       extend ActiveSupport::Concern
 
-      included do
-
-      end
-
       module ClassMethods
         def before(&block)
           imbue(:befores, [block])

lib/grape/dsl/configuration.rb

@@ -5,10 +5,6 @@ module DSL
     module Configuration
       extend ActiveSupport::Concern
 
-      included do
-
-      end
-
       module ClassMethods
         attr_writer :logger
         attr_reader :settings

lib/grape/dsl/helpers.rb

@@ -5,10 +5,6 @@ module DSL
     module Helpers
       extend ActiveSupport::Concern
 
-      included do
-
-      end
-
       module ClassMethods
         # Add helper methods that will be accessible from any
         # endpoint within this namespace (and child namespaces).

lib/grape/dsl/middleware.rb

@@ -5,10 +5,6 @@ module DSL
     module Middleware
       extend ActiveSupport::Concern
 
-      included do
-
-      end
-
       module ClassMethods
         # Apply a custom middleware to the API. Applies
         # to the current namespace and any children, but

lib/grape/dsl/parameters.rb

@@ -5,13 +5,6 @@ module DSL
     module Parameters
       extend ActiveSupport::Concern
 
-      included do
-
-      end
-
-      module ClassMethods
-      end
-
       def use(*names)
         named_params = @api.settings[:named_params] || {}
         options = names.last.is_a?(Hash) ? names.pop : {}

lib/grape/dsl/request_response.rb

@@ -5,10 +5,6 @@ module DSL
     module RequestResponse
       extend ActiveSupport::Concern
 
-      included do
-
-      end
-
       module ClassMethods
         # Specify the default format for the API's serializers.
         # May be `:json` or `:txt` (default).

lib/grape/dsl/routing.rb

@@ -5,10 +5,6 @@ module DSL
     module Routing
       extend ActiveSupport::Concern
 
-      included do
-
-      end
-
       module ClassMethods
         attr_reader :endpoints, :routes, :route_set
 

lib/grape/dsl/validations.rb

@@ -5,10 +5,6 @@ module DSL
     module Validations
       extend ActiveSupport::Concern
 
-      included do
-
-      end
-
       module ClassMethods
         def reset_validations!
           settings.peek[:declared_params] = []

lib/grape/validations.rb

@@ -90,7 +90,7 @@ def initialize(opts, &block)
         @type     = opts[:type]
         @declared_params = []
 
-        instance_eval(&block)
+        instance_eval(&block) if block_given?
 
         configure_declared_params
       end

spec/grape/dsl/helpers_spec.rb

@@ -42,7 +42,7 @@ def test
         it 'uses provided modules' do
           mod = Module.new
 
-          expect(subject).to receive(:set).with(:helpers,  kind_of(Grape::DSL::Helpers::BaseHelper)).and_call_original
+          expect(subject).to receive(:set).with(:helpers, kind_of(Grape::DSL::Helpers::BaseHelper)).and_call_original
           subject.helpers(mod, &proc)
 
           expect(subject.mod).not_to eq mod

spec/grape/dsl/validations_spec.rb

@@ -5,22 +5,50 @@ module DSL
     module ValidationsSpec
       class Dummy
         include Grape::DSL::Validations
+
+        def self.settings
+          @settings ||= Grape::Util::HashStack.new
+        end
       end
     end
 
     describe Validations do
-      subject { Class.new(ValidationsSpec::Dummy) }
+      subject { ValidationsSpec::Dummy }
+
+      describe '.reset_validations!' do
+        before do
+          subject.settings.peek[:declared_params] = ['dummy']
+          subject.settings.peek[:validations] = ['dummy']
+          subject.reset_validations!
+        end
+
+        it 'resets declared params' do
+          expect(subject.settings.peek[:declared_params]).to be_empty
+        end
 
-      xdescribe '.reset_validations!' do
-        it 'does some thing'
+        it 'resets validations' do
+          expect(subject.settings.peek[:validations]).to be_empty
+        end
       end
 
-      xdescribe '.params' do
-        it 'does some thing'
+      describe '.params' do
+        it 'returns a ParamsScope' do
+          expect(subject.params).to be_a Grape::Validations::ParamsScope
+        end
+
+        it 'evaluates block' do
+          expect { subject.params { raise 'foo' } }.to raise_error RuntimeError, 'foo'
+        end
       end
 
-      xdescribe '.document_attribute' do
-        it 'does some thing'
+      describe '.document_attribute' do
+        before do
+          subject.document_attribute([full_name: 'xxx'], foo: 'bar')
+        end
+
+        it 'creates last_description' do
+          expect(subject.instance_variable_get(:'@last_description')).to eq(params: { 'xxx' => { foo: 'bar' } })
+        end
       end
     end
   end