ring: improve pipelining tests.

ring_test.go

@@ -82,7 +82,8 @@ var _ = Describe("Redis ring", func() {
 		Expect(ringShard2.Info().Val()).To(ContainSubstring("keys=43"))
 	})
 
-	It("supports pipelining", func() {
+	Describe("pipelining", func() {
+		It("uses both shards", func() {
 			pipe := ring.Pipeline()
 			for i := 0; i < 100; i++ {
 				err := pipe.Set(fmt.Sprintf("key%d", i), "value", 0).Err()
@@ -102,4 +103,17 @@ var _ = Describe("Redis ring", func() {
 			Expect(ringShard1.Info().Val()).To(ContainSubstring("keys=57"))
 			Expect(ringShard2.Info().Val()).To(ContainSubstring("keys=43"))
 		})
+
+		It("is consistent", func() {
+			_, err := ring.Pipelined(func(pipe *redis.RingPipeline) error {
+				pipe.Set("mykey", "pipeline", 0)
+				return nil
+			})
+			Expect(err).NotTo(HaveOccurred())
+
+			val, err := ring.Get("mykey").Result()
+			Expect(err).NotTo(HaveOccurred())
+			Expect(val).To(Equal("pipeline"))
+		})
+	})
 })