Only load swaggerize task if rspec available

Gemfile

@@ -12,7 +12,10 @@ gemspec
 
 # To use a debugger
 # gem 'debugger', group: [:development, :test]
-
+#
 gem 'sqlite3'
-gem 'pry'
+
-gem 'generator_spec'
+group :development, :test do
+  gem 'pry'
+  gem 'generator_spec'
+end

Gemfile.lock

@@ -87,10 +87,10 @@ GEM
     rspec-expectations (3.4.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.4.0)
-    rspec-mocks (3.4.0)
+    rspec-mocks (3.4.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.4.0)
-    rspec-rails (3.4.0)
+    rspec-rails (3.4.1)
       actionpack (>= 3.0, < 4.3)
       activesupport (>= 3.0, < 4.3)
       railties (>= 3.0, < 4.3)

lib/tasks/swagger_rails_tasks.rake

@@ -3,11 +3,13 @@
 #   # Task goes here
 # end
 
-require 'rspec/core/rake_task'
+if defined?(RSpec)
-require 'swagger_rails'
+  require 'rspec/core/rake_task'
+  require 'swagger_rails'
 
-desc 'Generate Swagger JSON files from integration specs'
+  desc 'Generate Swagger JSON files from integration specs'
-RSpec::Core::RakeTask.new('swaggerize') do |t|
+  RSpec::Core::RakeTask.new('swaggerize') do |t|
-  t.pattern = 'spec/requests/**/*_spec.rb, spec/api/**/*_spec.rb, spec/integration/**/*_spec.rb'
+    t.pattern = 'spec/requests/**/*_spec.rb, spec/api/**/*_spec.rb, spec/integration/**/*_spec.rb'
-  t.rspec_opts = [ '--format SwaggerRails::RSpec::Formatter', '--dry-run' ]
+    t.rspec_opts = [ '--format SwaggerRails::RSpec::Formatter', '--dry-run' ]
+  end
 end