accepts string as entity

- adds changelog entry

.rubocop_todo.yml

@@ -25,6 +25,9 @@ Lint/UselessAssignment:
 Metrics/AbcSize:
   Max: 56
 
+Metrics/BlockLength:
+  Max: 165
+
 # Offense count: 3
 # Configuration parameters: CountComments.
 Metrics/ClassLength:
@@ -74,6 +77,9 @@ Style/FileName:
     - 'spec/swagger_v2/api_swagger_v2_type-format_spec.rb'
     - 'spec/swagger_v2/grape-swagger_spec.rb'
 
+Style/FrozenStringLiteralComment:
+  Enabled: false
+
 # Offense count: 3
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle, SupportedStyles, AllowInnerSlashes.

CHANGELOG.md

@@ -10,6 +10,7 @@
 
 #### Fixes
 
+* [#527](https://github.com/ruby-grape/grape-swagger/pull/527): Accepts string as entity - [@LeFnord](https://github.com/LeFnord).
 * [#515](https://github.com/ruby-grape/grape-swagger/pull/515): Removes limit on model names - [@LeFnord](https://github.com/LeFnord).
 * [#511](https://github.com/ruby-grape/grape-swagger/pull/511): Fix incorrect data type linking for request params of entity types - [@serggl](https://github.com/serggl).
 * Your contribution here.

Gemfile

@@ -2,7 +2,7 @@ source 'http://rubygems.org'
 
 gemspec
 
-case version = ENV['GRAPE_VERSION'] || '~> 0.17.0'
+case version = ENV['GRAPE_VERSION'] || '~> 0.18'
 when 'HEAD'
   gem 'grape', github: 'ruby-grape/grape'
 else

grape-swagger.gemspec

@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'bundler'
   s.add_development_dependency 'rack-test'
   s.add_development_dependency 'rack-cors'
-  s.add_development_dependency 'rubocop', '0.40.0'
+  s.add_development_dependency 'rubocop' # , '0.40.0'
   s.add_development_dependency 'kramdown'
   s.add_development_dependency 'redcarpet' unless RUBY_PLATFORM.eql?('java') || RUBY_ENGINE.eql?('rbx')
   s.add_development_dependency 'rouge' unless RUBY_PLATFORM.eql?('java') || RUBY_ENGINE.eql?('rbx')

lib/grape-swagger/doc_methods/optional_object.rb

@@ -12,7 +12,7 @@ def build(key, options, request = nil)
         end
 
         def evaluate(key, options, request)
-          options[key].arity == 0 ? options[key].call : options[key].call(request)
+          options[key].arity.zero? ? options[key].call : options[key].call(request)
         end
 
         def default_values

lib/grape-swagger/doc_methods/parse_params.rb

@@ -21,7 +21,7 @@ def call(param, settings, route, definitions)
           # optional properties
           document_description(settings)
           document_type_and_format(data_type)
-          document_array_param(value_type, definitions)
+          document_array_param(value_type, definitions) if value_type[:is_array]
           document_default_value(settings)
           document_range_values(settings)
           document_required(settings)
@@ -61,27 +61,25 @@ def document_type_and_format(data_type)
         end
 
         def document_array_param(value_type, definitions)
-          if value_type[:is_array]
-            if value_type[:documentation].present?
-              param_type = value_type[:documentation][:param_type]
-              doc_type = value_type[:documentation][:type]
-              type = GrapeSwagger::DocMethods::DataType.mapping(doc_type) if doc_type && !DataType.request_primitive?(doc_type)
-              collection_format = value_type[:documentation][:collectionFormat]
-            end
-
-            array_items = {}
-            if definitions[value_type[:data_type]]
-              array_items['$ref'] = "#/definitions/#{@parsed_param[:type]}"
-            else
-              array_items[:type] = type || @parsed_param[:type]
-            end
-            array_items[:format] = @parsed_param.delete(:format) if @parsed_param[:format]
+          if value_type[:documentation].present?
+            param_type = value_type[:documentation][:param_type]
+            doc_type = value_type[:documentation][:type]
+            type = GrapeSwagger::DocMethods::DataType.mapping(doc_type) if doc_type && !DataType.request_primitive?(doc_type)
+            collection_format = value_type[:documentation][:collectionFormat]
+          end
 
-            @parsed_param[:in] = param_type || 'formData'
-            @parsed_param[:items] = array_items
-            @parsed_param[:type] = 'array'
-            @parsed_param[:collectionFormat] = collection_format if %w(csv ssv tsv pipes multi).include?(collection_format)
+          array_items = {}
+          if definitions[value_type[:data_type]]
+            array_items['$ref'] = "#/definitions/#{@parsed_param[:type]}"
+          else
+            array_items[:type] = type || @parsed_param[:type]
           end
+          array_items[:format] = @parsed_param.delete(:format) if @parsed_param[:format]
+
+          @parsed_param[:in] = param_type || 'formData'
+          @parsed_param[:items] = array_items
+          @parsed_param[:type] = 'array'
+          @parsed_param[:collectionFormat] = collection_format if %w(csv ssv tsv pipes multi).include?(collection_format)
         end
 
         def param_type(value_type)

lib/grape-swagger/endpoint.rb

@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 require 'active_support'
 require 'active_support/core_ext/string/inflections.rb'
 
@@ -279,6 +277,7 @@ def expose_params(value)
     end
 
     def expose_params_from_model(model)
+      model = model.is_a?(String) ? model.constantize : model
       model_name = model_name(model)
 
       return model_name if @definitions.key?(model_name)

spec/issues/427_entity_as_string_spec.rb

@@ -0,0 +1,39 @@
+require 'spec_helper'
+require 'grape-entity'
+require 'grape-swagger-entity'
+
+describe '#427 nested entity given as string' do
+  let(:app) do
+    Class.new(Grape::API) do
+      namespace :issue_427 do
+        module Permission
+          class WithoutRole < Grape::Entity
+            expose :id
+            expose :description
+          end
+        end
+
+        class RoleEntity < Grape::Entity
+          expose :id
+          expose :description
+          expose :role
+          expose :permissions, using: 'Permission::WithoutRole'
+        end
+        desc 'Get a list of roles',
+             success: RoleEntity
+        get '/' do
+          present [], with: RoleEntity
+        end
+      end
+
+      add_swagger_documentation format: :json
+    end
+  end
+
+  subject do
+    get '/swagger_doc'
+    JSON.parse(last_response.body)['definitions']
+  end
+
+  specify { expect(subject.keys).to include 'RoleEntity', 'WithoutRole' }
+end

spec/support/model_parsers/entity_parser.rb

@@ -336,5 +336,5 @@ class DocumentedHashAndArrayModel < Grape::Entity
 end
 
 def mounted_paths
-  %w( /thing /other_thing /dummy )
+  %w(/thing /other_thing /dummy)
 end

spec/support/model_parsers/mock_parser.rb

@@ -332,5 +332,5 @@ class ApiResponse < OpenStruct; end
 end
 
 def mounted_paths
-  %w( /thing /other_thing /dummy )
+  %w(/thing /other_thing /dummy)
 end

spec/support/model_parsers/representable_parser.rb

@@ -408,5 +408,5 @@ class DocumentedHashAndArrayModel < Representable::Decorator
 end
 
 def mounted_paths
-  %w( /thing /other_thing /dummy )
+  %w(/thing /other_thing /dummy)
 end

spec/swagger_v2/api_swagger_v2_detail_spec.rb

@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 require 'spec_helper'
 
 def details