Add standalone generator

Add new generator (standalone) with its own helper to be used when
tests are needed outside of Rails.

lib/generators/thincloud/test/templates/minitest_helper_standalone.rb

@@ -0,0 +1,18 @@
+if RUBY_ENGINE == "ruby"
+  begin
+    require "simplecov"
+    SimpleCov.start do
+      add_filter "test"
+      add_filter "config"
+      command_name "MiniTest"
+    end
+  rescue LoadError
+    warn "unable to load SimpleCov"
+  end
+end
+
+require "thincloud-test"
+
+# Requires supporting ruby files with custom matchers and macros, etc,
+# in spec/support/ and its subdirectories.
+Dir[File.join("./test/support/**/*.rb")].sort.each { |f| require f }

lib/generators/thincloud/test/test_generator.rb

@@ -32,6 +32,22 @@ def test
         say_status "success", "thincloud-test has finished."
       end
 
+      # Generates thincloud test infrastructure outside of Rails
+      def standalone
+        remove_file "test/test_helper.rb"
+
+        copy_file "minitest_helper_standalone.rb", "test/minitest_helper.rb"
+        copy_file "minitest_reporters.rb", "test/support/minitest_reporters.rb"
+        copy_file "test.rake", "lib/tasks/test.rake"
+        copy_file "Guardfile"
+
+        create_file ".gitignore" unless File.exist?(".gitignore")
+        append_file ".gitignore", "coverage"
+
+        say_status "", ""
+        say_status "success", "thincloud-test has finished."
+      end
+
     end
   end
 end

lib/thincloud/test/generator.rb

@@ -6,7 +6,7 @@ module Thincloud
   module Test
     class Generator
       def self.generate
-        ::Thincloud::Generators::TestGenerator.new.test
+        ::Thincloud::Generators::TestGenerator.new.standalone
       end
     end
   end