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			131 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package redis_test
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import (
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	"context"
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	"time"
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	. "github.com/bsm/ginkgo/v2"
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	. "github.com/bsm/gomega"
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	"github.com/redis/go-redis/v9"
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)
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var _ = Describe("pool", func() {
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	var client *redis.Client
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	BeforeEach(func() {
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		opt := redisOptions()
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		opt.MinIdleConns = 0
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		opt.ConnMaxLifetime = 0
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		opt.ConnMaxIdleTime = time.Second
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		client = redis.NewClient(opt)
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	})
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	AfterEach(func() {
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		Expect(client.Close()).NotTo(HaveOccurred())
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	})
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	It("respects max size", func() {
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		perform(1000, func(id int) {
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			val, err := client.Ping(ctx).Result()
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			Expect(err).NotTo(HaveOccurred())
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			Expect(val).To(Equal("PONG"))
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		})
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		pool := client.Pool()
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		Expect(pool.Len()).To(BeNumerically("<=", 10))
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		Expect(pool.IdleLen()).To(BeNumerically("<=", 10))
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		Expect(pool.Len()).To(Equal(pool.IdleLen()))
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	})
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	It("respects max size on multi", func() {
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		perform(1000, func(id int) {
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			var ping *redis.StatusCmd
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			err := client.Watch(ctx, func(tx *redis.Tx) error {
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				cmds, err := tx.Pipelined(ctx, func(pipe redis.Pipeliner) error {
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					ping = pipe.Ping(ctx)
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					return nil
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				})
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				Expect(err).NotTo(HaveOccurred())
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				Expect(cmds).To(HaveLen(1))
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				return err
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			})
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			Expect(err).NotTo(HaveOccurred())
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			Expect(ping.Err()).NotTo(HaveOccurred())
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			Expect(ping.Val()).To(Equal("PONG"))
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		})
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		pool := client.Pool()
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		Expect(pool.Len()).To(BeNumerically("<=", 10))
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		Expect(pool.IdleLen()).To(BeNumerically("<=", 10))
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		Expect(pool.Len()).To(Equal(pool.IdleLen()))
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	})
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	It("respects max size on pipelines", func() {
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		perform(1000, func(id int) {
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			pipe := client.Pipeline()
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			ping := pipe.Ping(ctx)
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			cmds, err := pipe.Exec(ctx)
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			Expect(err).NotTo(HaveOccurred())
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			Expect(cmds).To(HaveLen(1))
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			Expect(ping.Err()).NotTo(HaveOccurred())
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			Expect(ping.Val()).To(Equal("PONG"))
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		})
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		pool := client.Pool()
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		Expect(pool.Len()).To(BeNumerically("<=", 10))
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		Expect(pool.IdleLen()).To(BeNumerically("<=", 10))
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		Expect(pool.Len()).To(Equal(pool.IdleLen()))
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	})
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	It("removes broken connections", func() {
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		cn, err := client.Pool().Get(context.Background())
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		Expect(err).NotTo(HaveOccurred())
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		cn.SetNetConn(&badConn{})
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		client.Pool().Put(ctx, cn)
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		val, err := client.Ping(ctx).Result()
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		Expect(err).NotTo(HaveOccurred())
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		Expect(val).To(Equal("PONG"))
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		val, err = client.Ping(ctx).Result()
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		Expect(err).NotTo(HaveOccurred())
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		Expect(val).To(Equal("PONG"))
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		pool := client.Pool()
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		Expect(pool.Len()).To(Equal(1))
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		Expect(pool.IdleLen()).To(Equal(1))
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		stats := pool.Stats()
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		Expect(stats.Hits).To(Equal(uint32(1)))
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		Expect(stats.Misses).To(Equal(uint32(2)))
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		Expect(stats.Timeouts).To(Equal(uint32(0)))
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	})
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	It("reuses connections", func() {
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		// explain: https://github.com/redis/go-redis/pull/1675
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		opt := redisOptions()
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		opt.MinIdleConns = 0
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		opt.ConnMaxLifetime = 0
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		opt.ConnMaxIdleTime = 10 * time.Second
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		client = redis.NewClient(opt)
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		for i := 0; i < 100; i++ {
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			val, err := client.Ping(ctx).Result()
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			Expect(err).NotTo(HaveOccurred())
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			Expect(val).To(Equal("PONG"))
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		}
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		pool := client.Pool()
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		Expect(pool.Len()).To(Equal(1))
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		Expect(pool.IdleLen()).To(Equal(1))
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		stats := pool.Stats()
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		Expect(stats.Hits).To(Equal(uint32(99)))
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		Expect(stats.Misses).To(Equal(uint32(1)))
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		Expect(stats.Timeouts).To(Equal(uint32(0)))
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	})
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})
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