Update Ruby version to 2.7, enhance Redis command pipelining, and bump version to 2.4.2

Author: Cosima Radu

.github/workflows/rspec.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.4
+          ruby-version: 2.7
           bundler-cache: true
 
       - name: Run tests

CHANGELOG.md

@@ -1,3 +1,8 @@
+
+# v2.4.2
+
+* ENG-2688 - Resolve "Pipelining commands on a Redis instance is deprecated and will be removed in Redis 5.0.0." warnings
+
 # v2.2.0
 
 * Alias `#get`, `#set`, and `#remove` to `#read`, `#write`, and `#delete`, so that `RedisCacheStore` and `OptionalRedisCacheStore` can be used anywhere that expects a `#read`, `#write`, `#delete` API e.g. `faraday-http-cache`.

lib/cache_store_redis/redis_cache_store.rb

@@ -75,10 +75,9 @@ def set(key, value, expires_in = DEFAULT_TTL)
     expire_value = expiry_int.positive? ? expiry_int : Integer(DEFAULT_TTL)
 
     with_client do |client|
-      client.multi do
-        client.set(k, v)
-
-        client.expire(k, expire_value)
+      client.multi do |pipeline|
+        pipeline.set(k, v)
+        pipeline.expire(k, expire_value)
       end
     end
   end

lib/cache_store_redis/version.rb

@@ -1,3 +1,3 @@
 module CacheStoreRedis
-  VERSION = '2.4.1'
+  VERSION = '2.4.2'.freeze
 end

spec/cache_store_redis_spec.rb

@@ -6,28 +6,29 @@
   context 'expires_in' do
     let(:key) { SecureRandom.uuid }
     let(:value) { 'SomeValue' }
+    let(:mock_redis) { instance_double('Redis::MultiConnection') }
 
     it 'will always set a default TTL if one is not provided' do
-      expect_any_instance_of(Redis).to receive(:set).with("test:#{key}", "\"#{value}\"")
-      expect_any_instance_of(Redis).to receive(:expire).with("test:#{key}", 3_600)
+      expect(mock_redis).to receive(:set).with("test:#{key}", "\"#{value}\"")
+      expect(mock_redis).to receive(:expire).with("test:#{key}", 3_600)
       subject.public_send(method_name, key, value)
     end
 
     it 'will always set a default TTL if an invalid one is provided' do
-      expect_any_instance_of(Redis).to receive(:set).with("test:#{key}", "\"#{value}\"")
-      expect_any_instance_of(Redis).to receive(:expire).with("test:#{key}", 3_600)
+      expect(mock_redis).to receive(:set).with("test:#{key}", "\"#{value}\"")
+      expect(mock_redis).to receive(:expire).with("test:#{key}", 3_600)
       subject.public_send(method_name, key, value, -200)
     end
 
     it 'will always set a default TTL if an invalid one is provided' do
-      expect_any_instance_of(Redis).to receive(:set).with("test:#{key}", "\"#{value}\"")
-      expect_any_instance_of(Redis).to receive(:expire).with("test:#{key}", 3_600)
+      expect(mock_redis).to receive(:set).with("test:#{key}", "\"#{value}\"")
+      expect(mock_redis).to receive(:expire).with("test:#{key}", 3_600)
       subject.public_send(method_name, key, value, 0.456)
     end
 
     it 'will always force the TTL to be an integer' do
-      expect_any_instance_of(Redis).to receive(:set).with("test:#{key}", "\"#{value}\"")
-      expect_any_instance_of(Redis).to receive(:expire).with("test:#{key}", 20)
+      expect(mock_redis).to receive(:set).with("test:#{key}", "\"#{value}\"")
+      expect(mock_redis).to receive(:expire).with("test:#{key}", 20)
       subject.public_send(method_name, key, value, 20.123)
     end
   end