Use fakeredis for tests

Author: codevalley

Diff for: Gemfile

@@ -54,4 +54,5 @@ gem "importmap-rails"
 group :test do
   gem "simplecov", require: false
   gem "simplecov-cobertura"
+  gem 'fakeredis'
 end

Diff for: Gemfile.lock

@@ -102,6 +102,7 @@ GEM
     factory_bot_rails (6.4.3)
       factory_bot (~> 6.4)
       railties (>= 5.0.0)
+    fakeredis (0.1.4)
     fugit (1.11.1)
       et-orbi (~> 1, >= 1.2.11)
       raabro (~> 1.4)
@@ -303,6 +304,7 @@ DEPENDENCIES
   debug
   dotenv-rails
   factory_bot_rails
+  fakeredis
   importmap-rails
   puma
   rails (~> 7.2.1)

Diff for: config/initializers/redis.rb

@@ -1,13 +1,15 @@
 require "redis"
 
-redis_url = ENV["REDIS_URL"] || "redis://localhost:6379/0"
+unless defined?(REDIS)
+  redis_url = ENV["REDIS_URL"] || "redis://localhost:6379/0"
 
-REDIS = Redis.new(url: redis_url)
+  REDIS = Redis.new(url: redis_url)
 
-# Add error handling
-begin
-  REDIS.ping
-rescue Redis::CannotConnectError => e
-  Rails.logger.error "Failed to connect to Redis: #{e.message}"
-  REDIS = nil
+  # Add error handling
+  begin
+    REDIS.ping
+  rescue Redis::CannotConnectError => e
+    Rails.logger.error "Failed to connect to Redis: #{e.message}"
+    REDIS = nil
+  end
 end

Diff for: test/test_helper.rb

@@ -21,5 +21,12 @@ class ActiveSupport::TestCase
   # Add more helper methods to be used by all tests here...
 end
 
-# Configure Redis for testing
-REDIS = Redis.new(url: ENV["REDIS_URL"] || "redis://localhost:6379/1")
+# Use FakeRedis for testing if available, otherwise use real Redis
+begin
+  require 'fakeredis/minitest'
+  puts "Using FakeRedis for testing"
+rescue LoadError
+  puts "FakeRedis not available, using real Redis for testing"
+  require 'redis'
+  REDIS = Redis.new(url: ENV['REDIS_URL'] || 'redis://localhost:6379/1')
+end