I like guard.

Author: kwerle

.dockerignore

@@ -0,0 +1,2 @@
+.git
+.??*

Dockerfile.test

@@ -0,0 +1,20 @@
+# docker build -t lsr-test -f Dockerfile.test .
+#
+# Run the tests
+# docker run lsr-test
+#
+# Continuous testing using guard:
+# docker run -it -v $PWD:/tmp/src -w /tmp/src rt guard
+
+FROM ruby
+
+WORKDIR /app
+
+COPY lib/language_server/version.rb ./lib/language_server/
+COPY Gemfile language_server.gemspec ./
+
+RUN bundle install
+
+COPY . ./
+
+CMD rake

Guardfile

@@ -0,0 +1,43 @@
+# A sample Guardfile
+# More info at https://github.com/guard/guard#readme
+
+## Uncomment and set this to only include directories you want to watch
+# directories %w(app lib config test spec features) \
+#  .select{|d| Dir.exists?(d) ? d : UI.warning("Directory #{d} does not exist")}
+
+## Note: if you are using the `directories` clause above and you are not
+## watching the project directory ('.'), then you will want to move
+## the Guardfile to a watched dir and symlink it back, e.g.
+#
+#  $ mkdir config
+#  $ mv Guardfile config/
+#  $ ln -s config/Guardfile .
+#
+# and, you'll have to watch "config/Guardfile" instead of "Guardfile"
+
+guard :minitest, all_after_pass: true do
+  # with Minitest::Unit
+  watch(%r{^test/(.*)\/?test_(.*)\.rb$})
+  watch(%r{^test/(.*)\/?(.*)_test\.rb$})
+  watch(%r{^lib/(.*/)?([^/]+)\.rb$})     { |m| "test/#{m[1]}test_#{m[2]}.rb" }
+  watch(%r{^test/test_helper\.rb$})      { 'test' }
+
+  # with Minitest::Spec
+  # watch(%r{^spec/(.*)_spec\.rb$})
+  # watch(%r{^lib/(.+)\.rb$})         { |m| "spec/#{m[1]}_spec.rb" }
+  # watch(%r{^spec/spec_helper\.rb$}) { 'spec' }
+
+  # Rails 4
+  # watch(%r{^app/(.+)\.rb$})                               { |m| "test/#{m[1]}_test.rb" }
+  # watch(%r{^app/controllers/application_controller\.rb$}) { 'test/controllers' }
+  # watch(%r{^app/controllers/(.+)_controller\.rb$})        { |m| "test/integration/#{m[1]}_test.rb" }
+  # watch(%r{^app/views/(.+)_mailer/.+})                    { |m| "test/mailers/#{m[1]}_mailer_test.rb" }
+  # watch(%r{^lib/(.+)\.rb$})                               { |m| "test/lib/#{m[1]}_test.rb" }
+  # watch(%r{^test/.+_test\.rb$})
+  # watch(%r{^test/test_helper\.rb$}) { 'test' }
+
+  # Rails < 4
+  # watch(%r{^app/controllers/(.*)\.rb$}) { |m| "test/functional/#{m[1]}_test.rb" }
+  # watch(%r{^app/helpers/(.*)\.rb$})     { |m| "test/helpers/#{m[1]}_test.rb" }
+  # watch(%r{^app/models/(.*)\.rb$})      { |m| "test/unit/#{m[1]}_test.rb" }
+end

language_server.gemspec

@@ -31,6 +31,9 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", "~> 1.14"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "minitest", "~> 5.0"
+  spec.add_development_dependency "guard"
+  spec.add_development_dependency "guard-minitest"
+  spec.add_development_dependency "minitest-color"
   spec.add_development_dependency "pry-byebug"
   spec.add_development_dependency "minitest-power_assert"
   spec.add_development_dependency "m"