Add way for examples generation from responses

README.md

@@ -284,6 +284,22 @@ describe 'Blogs API' do
 end
 ```
 
+### Enable generation examples from responses ###
+
+To enable examples generation from responses add callback above run_test! like:
+```ruby
+after do |example|
+  example.metadata[:response][:examples] = { 'application/json' => JSON.parse(response.body, symbolize_names: true) }
+end
+```
+You need to disable --dry-run option for Rspec > 3
+
+Add to application.rb:
+```ruby
+RSpec.configure do |config|
+  config.swagger_dry_run = false
+end
+```
 ### Route Prefix for Swagger JSON Endpoints ###
 
 The functionality to expose Swagger files, such as those generated by rswag-specs, as JSON endpoints is implemented as a Rails Engine. As with any Engine, you can change it's mount prefix in _routes.rb_:

rswag-specs/lib/rswag/specs.rb

@@ -12,6 +12,7 @@ module Rswag
     ::RSpec.configure do |c|
       c.add_setting :swagger_root
       c.add_setting :swagger_docs
+      c.add_setting :swagger_dry_run
       c.extend ExampleGroupHelpers, type: :request
       c.include ExampleHelpers, type: :request
     end

rswag-specs/lib/rswag/specs/configuration.rb

@@ -25,6 +25,12 @@ module Rswag
         end
       end
 
+      def swagger_dry_run
+        @swagger_dry_run ||= begin
+          @rspec_config.swagger_dry_run.nil? || @rspec_config.swagger_dry_run
+        end
+      end
+
       def get_swagger_doc(name)
         return swagger_docs.values.first if name.nil?
         raise ConfigurationError, "Unknown swagger_doc '#{name}'" unless swagger_docs[name]

rswag-specs/lib/tasks/rswag-specs_tasks.rake

@@ -8,7 +8,7 @@ namespace :rswag do
       t.pattern = 'spec/requests/**/*_spec.rb, spec/api/**/*_spec.rb, spec/integration/**/*_spec.rb'
 
       # NOTE: rspec 2.x support
-      if Rswag::Specs::RSPEC_VERSION > 2
+      if Rswag::Specs::RSPEC_VERSION > 2 && Rswag::Specs.config.swagger_dry_run
         t.rspec_opts = [ '--format Rswag::Specs::SwaggerFormatter', '--dry-run', '--order defined' ]
       else
         t.rspec_opts = [ '--format Rswag::Specs::SwaggerFormatter', '--order defined' ]