Merge 733cfbf into 18611aa

Gemfile

@@ -11,6 +11,7 @@ group :development do
   gem 'rack-test', '~> 0.6'
   gem 'rake', '~> 10.0'
   gem 'redis', '~> 3.2'
+  gem 'redis-namespace', '~> 1.5'
   gem 'rspec', '~> 3.0'
   gem 'rubocop', '>= 0.41', '< 0.50'
   gem 'simplecov', '~> 0.9'

lib/googleauth/stores/redis_token_store.rb

@@ -28,6 +28,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'redis'
+require 'redis-namespace'
 require 'googleauth/token_store'
 
 module Google
@@ -52,7 +53,7 @@ def initialize(options = {})
           redis = options.delete(:redis)
           prefix = options.delete(:prefix)
           @redis = case redis
-                   when Redis
+                   when Redis, Redis::Namespace
                      redis
                    else
                      Redis.new(options)

spec/googleauth/stores/redis_token_store_spec.rb

@@ -36,6 +36,7 @@
 require 'spec_helper'
 require 'fakeredis/rspec'
 require 'googleauth/stores/store_examples'
+require 'redis-namespace'
 
 describe Google::Auth::Stores::RedisTokenStore do
   let(:redis) do
@@ -46,5 +47,20 @@
     Google::Auth::Stores::RedisTokenStore.new(redis: redis)
   end
 
+  context 'use redis-namespace' do
+    let(:named_redis) do
+      Redis::Namespace.new(redis: Redis.new)
+    end
+    let(:redis) do
+       named_redis
+    end
+
+    it_behaves_like 'token store'
+
+    it 'should use redis-namespace' do
+      expect(store.instance_variable_get(:@redis)).to be == named_redis
+    end
+  end
+
   it_behaves_like 'token store'
 end