Add JRuby compatibility

.github/workflows/publish.yml

@@ -10,7 +10,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-
       - name: Publish to RubyGems
         run: |
           mkdir -p $HOME/.gem
@@ -21,3 +20,21 @@ jobs:
           gem push cache_store_redis-*.gem
         env:
           GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_AUTH_TOKEN}}"
+
+      - uses: actions/checkout@v3
+      - name: Set up JRuby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: jruby
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+      - run: jruby -S gem build cache_store_redis.gemspec
+
+      - name: Publish to RubyGems
+        run: |
+          mkdir -p $HOME/.gem
+          touch $HOME/.gem/credentials
+          chmod 0600 $HOME/.gem/credentials
+          printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
+          gem push cache_store_redis-*.gem
+        env:
+          GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_AUTH_TOKEN}}"

.travis.yml

@@ -3,6 +3,7 @@ services:
   - redis-server
 rvm:
   - 2.3.5
+  - jruby
 cache: bundler
 before_script:
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64

Dockerfile-jruby

@@ -0,0 +1,12 @@
+FROM jruby
+
+RUN apk add --no-cache --update bash
+
+# Create application directory and set it as the WORKDIR.
+ENV APP_HOME /code
+RUN mkdir -p $APP_HOME
+WORKDIR $APP_HOME
+
+COPY . $APP_HOME
+
+RUN jruby -S bundle install

Gemfile

@@ -3,6 +3,6 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in cache_store_redis.gemspec
 gemspec
 
-gem 'oj', '3.6.10'
+gem 'oj', '3.6.10' unless RUBY_PLATFORM == 'java'
 gem 'pry'
 gem 'simplecov', '< 0.18.0'

cache_store_redis.gemspec

@@ -19,12 +19,17 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_development_dependency 'bundler'
-  spec.add_development_dependency 'pry-byebug'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec'
   spec.add_development_dependency 'simplecov'
   spec.add_development_dependency 'timecop'
 
-  spec.add_dependency 'oj'
+  if RUBY_PLATFORM =~ /java/
+    spec.platform = 'java'
+  else
+    spec.add_development_dependency 'pry-byebug'
+    spec.add_dependency 'oj'
+  end
+
   spec.add_dependency 'redis'
 end

lib/cache_store_redis.rb

@@ -4,7 +4,6 @@
 require 'cache_store_redis/version'
 require 'redis'
 require 'securerandom'
-require 'oj'
 require 'logger'
 
 require_relative 'cache_store_redis/redis_connection'

lib/cache_store_redis/redis_cache_store.rb

@@ -4,6 +4,10 @@ class RedisCacheStore
   DEFAULT_TTL = 3_600
 
   def initialize(namespace = nil, config = nil)
+    unless RUBY_PLATFORM == 'java'
+      require 'oj'
+    end
+
     @connection_pool = RedisConnectionPool.new(namespace, config)
 
     @namespace = namespace
@@ -143,11 +147,19 @@ def ping
   private
 
   def serialize(object)
-    Oj.dump(object)
+    if RUBY_PLATFORM == 'java'
+      Marshal::dump(object)
+    else
+      Oj.dump(object)
+    end
   end
 
   def deserialize(object)
-    Oj.load(object)
+    if RUBY_PLATFORM == 'java'
+      Marshal::load(object)
+    else
+      Oj.load(object)
+    end
   end
 
   def build_key(key)

lib/cache_store_redis/version.rb

@@ -1,3 +1,3 @@
 module CacheStoreRedis
-  VERSION = '2.2.1'
+  VERSION = '2.3.0'
 end

spec/cache_store_redis_spec.rb

@@ -42,6 +42,19 @@
     expect(v).to eq(value)
   end
 
+  it 'should add a string to the cache store and retrieve it (java platform)' do
+    original_platform = RUBY_PLATFORM
+    key = SecureRandom.uuid
+    value = 'value123'
+    Object.const_set(:RUBY_PLATFORM, 'java')
+    subject.public_send(method_name, key, value)
+
+    v = subject.get(key)
+
+    expect(v).to eq(value)
+    Object.const_set(:RUBY_PLATFORM, original_platform)
+  end
+
   it 'should add an object to the cache store and retrieve it' do
     key = SecureRandom.uuid
     value = TestObject.new
@@ -57,6 +70,24 @@
     expect(v.numeric).to eq(value.numeric)
   end
 
+  it 'should add an object to the cache store and retrieve it (java platform)' do
+    original_platform = RUBY_PLATFORM
+    key = SecureRandom.uuid
+    value = TestObject.new
+    value.text = 'abc123'
+    value.numeric = 123
+    Object.const_set(:RUBY_PLATFORM, 'java')
+
+    subject.public_send(method_name, key, value)
+
+    v = subject.get(key)
+
+    expect(v.class).to eq(TestObject)
+    expect(v.text).to eq(value.text)
+    expect(v.numeric).to eq(value.numeric)
+    Object.const_set(:RUBY_PLATFORM, original_platform)
+  end
+
   it 'should run the hydration block when the requested key does not exist in the cache' do
     key = SecureRandom.uuid
 

spec/spec_helper.rb

@@ -5,7 +5,7 @@
 
 require 'timecop'
 require 'pry'
-require 'pry-byebug'
+require 'pry-byebug' unless RUBY_PLATFORM == 'java'
 require_relative 'test_object'
 require_relative '../lib/cache_store_redis'