From f21a6688f7d8afd1172ff0bfc1d75e3e619e2db0 Mon Sep 17 00:00:00 2001
From: George Claghorn <george@basecamp.com>
Date: Tue, 16 Jan 2018 15:12:24 -0500
Subject: Test against the pure-Ruby Redis driver

---
 activesupport/Rakefile                               | 20 ++++++++++++++++++++
 .../test/cache/stores/redis_cache_store_test.rb      |  6 ++++++
 2 files changed, 26 insertions(+)

(limited to 'activesupport')

diff --git a/activesupport/Rakefile b/activesupport/Rakefile
index 8672ab1542..f10f19be0a 100644
--- a/activesupport/Rakefile
+++ b/activesupport/Rakefile
@@ -14,10 +14,30 @@ Rake::TestTask.new do |t|
   t.ruby_opts = ["--dev"] if defined?(JRUBY_VERSION)
 end
 
+Rake::Task[:test].enhance do
+  Rake::Task["test:cache_stores:redis:ruby"].invoke
+end
+
 namespace :test do
   task :isolated do
     Dir.glob("test/**/*_test.rb").all? do |file|
       sh(Gem.ruby, "-w", "-Ilib:test", file)
     end || raise("Failures")
   end
+
+  namespace :cache_stores do
+    namespace :redis do
+      %w[ ruby hiredis ].each do |driver|
+        task("env:#{driver}") { ENV["REDIS_DRIVER"] = driver }
+
+        Rake::TestTask.new(driver => "env:#{driver}") do |t|
+          t.libs << "test"
+          t.test_files = ["test/cache/stores/redis_cache_store_test.rb"]
+          t.warning = true
+          t.verbose = true
+          t.ruby_opts = ["--dev"] if defined?(JRUBY_VERSION)
+        end
+      end
+    end
+  end
 end
diff --git a/activesupport/test/cache/stores/redis_cache_store_test.rb b/activesupport/test/cache/stores/redis_cache_store_test.rb
index 7f684f7a0f..ee79f954ec 100644
--- a/activesupport/test/cache/stores/redis_cache_store_test.rb
+++ b/activesupport/test/cache/stores/redis_cache_store_test.rb
@@ -5,6 +5,12 @@ require "active_support/cache"
 require "active_support/cache/redis_cache_store"
 require_relative "../behaviors"
 
+driver_name = %w[ ruby hiredis ].include?(ENV["REDIS_DRIVER"]) ? ENV["REDIS_DRIVER"] : "hiredis"
+driver = Object.const_get("Redis::Connection::#{driver_name.camelize}")
+
+Redis::Connection.drivers.clear
+Redis::Connection.drivers.append(driver)
+
 module ActiveSupport::Cache::RedisCacheStoreTests
   class LookupTest < ActiveSupport::TestCase
     test "may be looked up as :redis_cache_store" do
-- 
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