mirror of https://github.com/go-redis/redis.git
150 lines
3.5 KiB
Go
150 lines
3.5 KiB
Go
package redis_test
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import (
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"time"
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"github.com/go-redis/redis"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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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.MaxConnAge = 0
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opt.IdleTimeout = 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().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(func(tx *redis.Tx) error {
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cmds, err := tx.Pipelined(func(pipe redis.Pipeliner) error {
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ping = pipe.Ping()
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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()
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cmds, err := pipe.Exec()
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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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Expect(pipe.Close()).NotTo(HaveOccurred())
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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()
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Expect(err).NotTo(HaveOccurred())
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cn.SetNetConn(&badConn{})
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client.Pool().Put(cn)
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err = client.Ping().Err()
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Expect(err).To(MatchError("bad connection"))
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val, err := client.Ping().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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for i := 0; i < 100; i++ {
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val, err := client.Ping().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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It("removes idle connections", func() {
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err := client.Ping().Err()
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Expect(err).NotTo(HaveOccurred())
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stats := client.PoolStats()
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Expect(stats).To(Equal(&redis.PoolStats{
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Hits: 0,
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Misses: 1,
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Timeouts: 0,
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TotalConns: 1,
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IdleConns: 1,
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StaleConns: 0,
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}))
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time.Sleep(2 * time.Second)
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stats = client.PoolStats()
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Expect(stats).To(Equal(&redis.PoolStats{
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Hits: 0,
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Misses: 1,
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Timeouts: 0,
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TotalConns: 0,
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IdleConns: 0,
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StaleConns: 1,
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}))
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})
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})
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