Accept sentinel options even with string keys

lib/redis/client.rb

@@ -22,7 +22,9 @@ class Client
       :reconnect_attempts => 1,
       :reconnect_delay => 0,
       :reconnect_delay_max => 0.5,
-      :inherit_socket => false
+      :inherit_socket => false,
+      :sentinels => nil,
+      :role => nil
     }
 
     attr_reader :options
@@ -89,7 +91,7 @@ def initialize(options = {})
       @pending_reads = 0
 
       @connector =
-        if options.include?(:sentinels)
+        if !@options[:sentinels].nil?
           Connector::Sentinel.new(@options)
         elsif options.include?(:connector) && options[:connector].respond_to?(:new)
           options.delete(:connector).new(@options)
@@ -539,7 +541,7 @@ def initialize(options)
           @options[:db] = DEFAULTS.fetch(:db)
 
           @sentinels = @options.delete(:sentinels).dup
-          @role = @options.fetch(:role, "master").to_s
+          @role = (@options[:role] || "master").to_s
           @master = @options[:host]
         end
 
@@ -576,10 +578,10 @@ def resolve
         def sentinel_detect
           @sentinels.each do |sentinel|
             client = Client.new(@options.merge({
-              :host => sentinel[:host],
-              :port => sentinel[:port],
-              password: sentinel[:password],
-              :reconnect_attempts => 0,
+              host: sentinel[:host] || sentinel["host"],
+              port: sentinel[:port] || sentinel["port"],
+              password: sentinel[:password] || sentinel["password"],
+              reconnect_attempts: 0
             }))
 
             begin

test/sentinel_test.rb

@@ -346,4 +346,35 @@ def test_sentinel_retries
 
     assert_match(/No sentinels available/, ex.message)
   end
+
+  def test_sentinel_with_string_option_keys
+    commands = []
+
+    master = {
+      role: lambda do
+        ['master']
+      end
+    }
+
+    sentinel = lambda do |port|
+      {
+        sentinel: lambda do |command, *args|
+          commands << [command, *args]
+          ['127.0.0.1', port.to_s]
+        end
+      }
+    end
+
+    RedisMock.start(master) do |master_port|
+      RedisMock.start(sentinel.call(master_port)) do |sen_port|
+        sentinels = [{ 'host' => '127.0.0.1', 'port' => sen_port }]
+
+        redis = Redis.new(url: 'redis://master1', 'sentinels' => sentinels, 'role' => :master)
+
+        assert redis.ping
+      end
+    end
+
+    assert_equal [%w[get-master-addr-by-name master1]], commands
+  end
 end