Test full matrix of supported adapters

.github/workflows/gemstash-ci.yml

@@ -1,6 +1,10 @@
 name: Tests
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   gemstash_tests:
@@ -9,6 +13,65 @@ jobs:
       fail-fast: false
       matrix:
         ruby: ["3.1", "3.2", "3.3", "jruby-9.4"]
+        db_adapter: ["sqlite3"]
+        cache_type: ["memory"]
+        include:
+          - ruby: "3.3"
+            db_adapter: "postgres"
+            cache_type: "memory"
+          - ruby: "3.3"
+            db_adapter: "mysql2"
+            cache_type: "memory"
+          - ruby: "3.3"
+            db_adapter: "sqlite3"
+            cache_type: "memcached"
+          - ruby: "3.3"
+            db_adapter: "sqlite3"
+            cache_type: "redis"
+          - ruby: "jruby-9.4"
+            db_adapter: "postgres"
+            cache_type: "memory"
+          - ruby: "jruby-9.4"
+            db_adapter: "mysql2"
+            cache_type: "memory"
+          - ruby: "jruby-9.4"
+            db_adapter: "sqlite3"
+            cache_type: "memcached"
+          - ruby: "jruby-9.4"
+            db_adapter: "sqlite3"
+            cache_type: "redis"
+    services:
+      postgres:
+        image: postgres:13
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: gemstash_test
+        ports:
+          - 5432:5432
+      mysql:
+        image: mysql:8
+        env:
+          MYSQL_ROOT_PASSWORD: root
+          MYSQL_DATABASE: gemstash_test
+          MYSQL_USER: root
+          MYSQL_PASSWORD: root
+        ports:
+          - 3306:3306
+      memcached:
+        image: memcached:1.6
+        ports:
+          - 11211:11211
+      redis:
+        image: redis:7
+        ports:
+          - 6379:6379
+    env:
+      GEMSTASH_SPEC_CACHE_TYPE: ${{ matrix.cache_type }}
+      GEMSTASH_SPEC_DB_ADAPTER: ${{ matrix.db_adapter }}
+      GEMSTASH_SPEC_DB_URL: ${{ (matrix.db_adapter == 'postgres' && 'postgres://postgres:postgres@localhost/gemstash_test') || (matrix.db_adapter == 'mysql2' && 'mysql2://root:[email protected]:3306/gemstash_test') }}
+      GEMSTASH_SPEC_REDIS_SERVERS: redis://localhost:6379
+      GEMSTASH_SPEC_MEMCACHED_SERVERS: localhost:11211
     steps:
       - uses: actions/checkout@v4
       - name: Setup ruby

Gemfile

@@ -13,9 +13,18 @@ gem "rspec", "~> 3.3"
 gem "webrick", "~> 1.6"
 
 platform :jruby do
+  gem "jdbc-mysql"
+  gem "jdbc-postgres"
+  gem "jdbc-sqlite3"
   gem "psych"
 end
 
+platform :ruby do
+  gem "mysql2"
+  gem "pg"
+  gem "sqlite3"
+end
+
 group :linting do
   gem "rubocop", "~> 1.44"
   gem "rubocop-performance", "~> 1.5"

lib/gemstash/cache.rb

@@ -101,9 +101,10 @@ def get(key)
     end
 
     def get_multi(keys)
-      @cache.mget(*keys).each do |k, v|
+      @cache.mget(*keys).each_with_index do |v, idx|
         next if v.nil?
 
+        k = keys[idx]
         yield(k, YAML.load(v))
       end
     end

lib/gemstash/env.rb

@@ -132,7 +132,10 @@ def db
             Sequel.connect("sqlite://#{CGI.escape(db_path)}", config.database_connection_config)
           end
         when "postgres", "mysql", "mysql2"
-          db = Sequel.connect(config[:db_url], config.database_connection_config)
+          db_url = config[:db_url]
+          raise "Missing DB URL" unless db_url
+
+          db = Sequel.connect(db_url, config.database_connection_config)
         else
           raise "Unsupported DB adapter: '#{config[:db_adapter]}'"
         end

spec/spec_helper.rb

@@ -23,11 +23,32 @@
 Pathname.new(TEST_BASE_PATH).children.each(&:rmtree)
 TEST_LOG_FILE = File.join(TEST_BASE_PATH, "server.log")
 TEST_CONFIG = Gemstash::Configuration.new(config: {
-                                            :base_path => TEST_BASE_PATH
+                                            base_path: TEST_BASE_PATH,
+                                            cache_type: ENV.fetch("GEMSTASH_SPEC_CACHE_TYPE", "memory"),
+                                            db_adapter: ENV.fetch("GEMSTASH_SPEC_DB_ADAPTER", "sqlite3"),
+                                            db_url: ENV.fetch("GEMSTASH_SPEC_DB_URL", nil).then do |db_url|
+                                              if RUBY_ENGINE == "jruby" && db_url
+                                                db_url = "jdbc" + db_url
+                                                db_url.sub(":mysql2:", ":mysql:")
+                                              else
+                                                db_url
+                                              end
+                                            end,
+                                            redis_servers: ENV.fetch("GEMSTASH_SPEC_REDIS_SERVERS", nil),
+                                            memcached_servers: ENV.fetch("GEMSTASH_SPEC_MEMCACHED_SERVERS", nil)
                                           })
 Gemstash::Env.current = Gemstash::Env.new(TEST_CONFIG)
 Thread.current[:test_gemstash_env_set] = true
-TEST_DB = Gemstash::Env.current.db
+db_connect_attempts = 0
+TEST_DB = begin
+  db_connect_attempts += 1
+  Gemstash::Env.current.db
+rescue Sequel::DatabaseConnectionError
+  raise if db_connect_attempts > 5
+
+  sleep(2**(db_connect_attempts - 1))
+  retry
+end
 Sequel::Model.db = TEST_DB
 
 RSpec.configure do |config|
@@ -45,13 +66,19 @@
       end
     end
 
-    TEST_DB.disconnect
-
     # If a spec has no transaction, delete the DB, and force recreate/migrate to ensure it is clean
     if example.metadata[:db_transaction] == false
-      File.delete(File.join(TEST_BASE_PATH, "gemstash.db"))
+      if TEST_CONFIG[:db_adapter] == "sqlite3"
+        File.delete(File.join(TEST_BASE_PATH, "gemstash.db"))
+      else
+        # Drop all tables
+        TEST_DB.drop_table(*TEST_DB.tables)
+      end
+      TEST_DB.disconnect
       Gemstash::Env.migrate(TEST_DB)
     end
+
+    TEST_DB.disconnect
   end
 
   config.before(:each) do