redis/pool_test.go

133 lines
3.4 KiB
Go

package redis_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"gopkg.in/redis.v4"
"gopkg.in/redis.v4/internal/pool"
)
var _ = Describe("pool", func() {
var client *redis.Client
BeforeEach(func() {
client = redis.NewClient(redisOptions())
Expect(client.FlushDb().Err()).NotTo(HaveOccurred())
})
AfterEach(func() {
Expect(client.Close()).NotTo(HaveOccurred())
})
It("should respect max size", func() {
perform(1000, func(id int) {
val, err := client.Ping().Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).To(Equal("PONG"))
})
pool := client.Pool()
Expect(pool.Len()).To(BeNumerically("<=", 10))
Expect(pool.FreeLen()).To(BeNumerically("<=", 10))
Expect(pool.Len()).To(Equal(pool.FreeLen()))
})
It("should respect max on multi", func() {
perform(1000, func(id int) {
var ping *redis.StatusCmd
err := client.Watch(func(tx *redis.Tx) error {
cmds, err := tx.MultiExec(func() error {
ping = tx.Ping()
return nil
})
Expect(err).NotTo(HaveOccurred())
Expect(cmds).To(HaveLen(1))
return err
})
Expect(err).NotTo(HaveOccurred())
Expect(ping.Err()).NotTo(HaveOccurred())
Expect(ping.Val()).To(Equal("PONG"))
})
pool := client.Pool()
Expect(pool.Len()).To(BeNumerically("<=", 10))
Expect(pool.FreeLen()).To(BeNumerically("<=", 10))
Expect(pool.Len()).To(Equal(pool.FreeLen()))
})
It("should respect max on pipelines", func() {
perform(1000, func(id int) {
pipe := client.Pipeline()
ping := pipe.Ping()
cmds, err := pipe.Exec()
Expect(err).NotTo(HaveOccurred())
Expect(cmds).To(HaveLen(1))
Expect(ping.Err()).NotTo(HaveOccurred())
Expect(ping.Val()).To(Equal("PONG"))
Expect(pipe.Close()).NotTo(HaveOccurred())
})
pool := client.Pool()
Expect(pool.Len()).To(BeNumerically("<=", 10))
Expect(pool.FreeLen()).To(BeNumerically("<=", 10))
Expect(pool.Len()).To(Equal(pool.FreeLen()))
})
It("should respect max on pubsub", func() {
connPool := client.Pool()
connPool.(*pool.ConnPool).DialLimiter = nil
perform(1000, func(id int) {
pubsub, err := client.Subscribe()
Expect(err).NotTo(HaveOccurred())
Expect(pubsub.Close()).NotTo(HaveOccurred())
})
Expect(connPool.Len()).To(Equal(connPool.FreeLen()))
Expect(connPool.Len()).To(BeNumerically("<=", 10))
})
It("should remove broken connections", func() {
cn, _, err := client.Pool().Get()
Expect(err).NotTo(HaveOccurred())
cn.NetConn = &badConn{}
Expect(client.Pool().Put(cn)).NotTo(HaveOccurred())
err = client.Ping().Err()
Expect(err).To(MatchError("bad connection"))
val, err := client.Ping().Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).To(Equal("PONG"))
pool := client.Pool()
Expect(pool.Len()).To(Equal(1))
Expect(pool.FreeLen()).To(Equal(1))
stats := pool.Stats()
Expect(stats.Requests).To(Equal(uint32(4)))
Expect(stats.Hits).To(Equal(uint32(2)))
Expect(stats.Timeouts).To(Equal(uint32(0)))
})
It("should reuse connections", func() {
for i := 0; i < 100; i++ {
val, err := client.Ping().Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).To(Equal("PONG"))
}
pool := client.Pool()
Expect(pool.Len()).To(Equal(1))
Expect(pool.FreeLen()).To(Equal(1))
stats := pool.Stats()
Expect(stats.Requests).To(Equal(uint32(101)))
Expect(stats.Hits).To(Equal(uint32(100)))
Expect(stats.Timeouts).To(Equal(uint32(0)))
})
})