Don't document non-schema object examples

Author: spaceraccoon

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 #### Features
 
+* [#885](https://github.com/ruby-grape/grape-swagger/pull/885): Don't document non-schema object examples - [@spaceraccoon](https://github.com/spaceraccoon)
 * Your contribution here.
 
 #### Fixes

lib/grape-swagger/doc_methods/parse_params.rb

@@ -27,7 +27,7 @@ def call(param, settings, path, route, definitions)
           document_required(settings)
           document_additional_properties(definitions, settings) unless value_type[:is_array]
           document_add_extensions(settings)
-          document_example(settings)
+          document_example(settings) if @parsed_param[:in] == 'body'
 
           @parsed_param
         end

spec/issues/884_dont_document_non_schema_examples_spec.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec::Matchers.define_negated_matcher :exclude, :include
+
+describe '#884 dont document non-schema examples' do
+  let(:app) do
+    Class.new(Grape::API) do
+      namespace :issue_884 do
+        params do
+          requires :id, type: Integer, documentation: { example: 123 }
+          optional :name, type: String, documentation: { example: 'Buddy Guy' }
+        end
+
+        post 'document_example' do
+          present params
+        end
+
+        desc 'do not document this' do
+          consumes ['application/x-www-form-urlencoded']
+        end
+        params do
+          requires :id, type: Integer, documentation: { example: 123 }
+          optional :name, type: String, documentation: { example: 'Buddy Guy' }
+        end
+
+        post 'dont_document_example' do
+          present params
+        end
+      end
+
+      add_swagger_documentation format: :json
+    end
+  end
+
+  subject do
+    get '/swagger_doc'
+    JSON.parse(last_response.body)
+  end
+
+  let(:parameters_document_example) { subject['definitions']['postIssue884DocumentExample']['properties'] }
+  let(:parameters_dont_document_example) { subject['paths']['/issue_884/dont_document_example']['post']['parameters'] }
+
+  specify do
+    expect(parameters_document_example.values).to all(include('example'))
+    expect(parameters_dont_document_example).to all(exclude('example'))
+  end
+end

spec/swagger_v2/params_example_spec.rb

@@ -13,7 +13,7 @@ def app
         optional :obj, type: 'Object', documentation: { example: { 'foo' => 'bar' } }
       end
 
-      get '/endpoint_with_examples' do
+      post '/endpoint_with_examples' do
         { 'declared_params' => declared(params) }
       end
 
@@ -27,13 +27,11 @@ def app
       JSON.parse(last_response.body)
     end
 
+    let(:parameters) { subject['definitions']['postEndpointWithExamples']['properties'] }
+
     specify do
-      expect(subject['paths']['/endpoint_with_examples']['get']['parameters']).to eql(
-        [
-          { 'in' => 'query', 'name' => 'id', 'type' => 'integer', 'example' => 123, 'format' => 'int32', 'required' => true },
-          { 'in' => 'query', 'name' => 'name', 'type' => 'string', 'example' => 'Person', 'required' => false },
-          { 'in' => 'query', 'name' => 'obj', 'type' => 'Object', 'example' => { 'foo' => 'bar' }, 'required' => false }
-        ]
+      expect(parameters).to eql(
+        { 'id' => { 'type' => 'integer', 'format' => 'int32', 'example' => 123 }, 'name' => { 'type' => 'string', 'example' => 'Person' }, 'obj' => { 'type' => 'Object', 'example' => { 'foo' => 'bar' } } }
       )
     end
   end