make sure correct options are passed for nested and respect

include_missing with no parents

update changelog

remove empty line

remove puts statement

clarify changelog

CHANGELOG.md

@@ -5,6 +5,7 @@
 * [#1555](https://github.com/ruby-grape/grape/pull/1555): Added code coverage w/Coveralls - [@dblock](https://github.com/dblock).
 * [#1568](https://github.com/ruby-grape/grape/pull/1568): Add `proc` option to `values` validator to allow custom checks - [@jlfaber](https://github.com/jlfaber).
 * [#1575](https://github.com/ruby-grape/grape/pull/1575): Include nil values for missing nested params in declared - [@thogg4](https://github.com/thogg4).
+* [#1585](https://github.com/ruby-grape/grape/pull/1585): Bugs in declared method - make sure correct options var is used and respect include missing for non children params - [@thogg4](https://github.com/thogg4).
 * Your contribution here.
 
 #### Fixes

lib/grape/dsl/inside_route.rb

@@ -50,13 +50,14 @@ def declared_hash(passed_params, options, declared_params)
             # If it is not a Hash then it does not have children.
             # Find its value or set it to nil.
             if !declared_param.is_a?(Hash)
+              next unless options[:include_missing] || passed_params.key?(declared_param)
               memo[optioned_param_key(declared_param, options)] = passed_params[declared_param]
             else
               declared_param.each_pair do |declared_parent_param, declared_children_params|
                 next unless options[:include_missing] || passed_params.key?(declared_parent_param)
 
                 passed_children_params = passed_params[declared_parent_param] || Hashie::Mash.new
-                memo[optioned_param_key(declared_parent_param, options)] = declared(passed_children_params, @options, declared_children_params)
+                memo[optioned_param_key(declared_parent_param, options)] = declared(passed_children_params, options, declared_children_params)
               end
             end
           end

spec/grape/endpoint_spec.rb

@@ -419,7 +419,7 @@ def app
       expect(last_response.status).to eq(201)
     end
 
-    it 'does not include missing attributes when there are nested hashes' do
+    it 'includes missing attributes with defaults when there are nested hashes' do
       subject.get '/dummy' do
       end
 
@@ -450,6 +450,32 @@ def app
       expect(json['nested']['nested_nested'].keys).to eq %w(sixth seven)
       expect(json['nested']['nested_nested']['sixth']).to eq 'sixth'
     end
+
+    it 'does not include missing attributes when there are nested hashes' do
+      subject.get '/dummy' do
+      end
+
+      subject.params do
+        requires :first
+        optional :second
+        optional :third
+        optional :nested, type: Hash do
+          optional :fourth
+          optional :fifth
+        end
+      end
+
+      subject.get '/declared' do
+        declared(params, include_missing: false)
+      end
+
+      get '/declared?first=present&nested[fourth]=4'
+      json = JSON.parse(last_response.body)
+      expect(last_response.status).to eq(200)
+      expect(json['first']).to eq 'present'
+      expect(json['nested'].keys).to eq %w(fourth)
+      expect(json['nested']['fourth']).to eq '4'
+    end
   end
 
   describe '#declared; call from child namespace' do