mirror of https://github.com/go-redis/redis.git
106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
package redis_test
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
. "github.com/onsi/ginkgo"
|
|
. "github.com/onsi/gomega"
|
|
|
|
"gopkg.in/redis.v3"
|
|
)
|
|
|
|
var _ = Describe("Redis ring", func() {
|
|
var ring *redis.Ring
|
|
|
|
setRingKeys := func() {
|
|
for i := 0; i < 100; i++ {
|
|
err := ring.Set(fmt.Sprintf("key%d", i), "value", 0).Err()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
}
|
|
}
|
|
|
|
BeforeEach(func() {
|
|
ring = redis.NewRing(&redis.RingOptions{
|
|
Addrs: map[string]string{
|
|
"ringShard1": ":" + ringShard1Port,
|
|
"ringShard2": ":" + ringShard2Port,
|
|
},
|
|
})
|
|
|
|
// Shards should not have any keys.
|
|
Expect(ringShard1.FlushDb().Err()).NotTo(HaveOccurred())
|
|
Expect(ringShard1.Info().Val()).NotTo(ContainSubstring("keys="))
|
|
|
|
Expect(ringShard2.FlushDb().Err()).NotTo(HaveOccurred())
|
|
Expect(ringShard2.Info().Val()).NotTo(ContainSubstring("keys="))
|
|
})
|
|
|
|
AfterEach(func() {
|
|
Expect(ring.Close()).NotTo(HaveOccurred())
|
|
})
|
|
|
|
It("uses both shards", func() {
|
|
setRingKeys()
|
|
|
|
// Both shards should have some keys now.
|
|
Expect(ringShard1.Info().Val()).To(ContainSubstring("keys=57"))
|
|
Expect(ringShard2.Info().Val()).To(ContainSubstring("keys=43"))
|
|
})
|
|
|
|
It("uses one shard when other shard is down", func() {
|
|
// Stop ringShard2.
|
|
Expect(ringShard2.Close()).NotTo(HaveOccurred())
|
|
|
|
// Ring needs 5 * heartbeat time to detect that node is down.
|
|
// Give it more to be sure.
|
|
heartbeat := 100 * time.Millisecond
|
|
time.Sleep(5*heartbeat + heartbeat)
|
|
|
|
setRingKeys()
|
|
|
|
// RingShard1 should have all keys.
|
|
Expect(ringShard1.Info().Val()).To(ContainSubstring("keys=100"))
|
|
|
|
// Start ringShard2.
|
|
var err error
|
|
ringShard2, err = startRedis(ringShard2Port)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
|
|
// Wait for ringShard2 to come up.
|
|
Eventually(func() error {
|
|
return ringShard2.Ping().Err()
|
|
}, "1s").ShouldNot(HaveOccurred())
|
|
|
|
// Ring needs heartbeat time to detect that node is up.
|
|
// Give it more to be sure.
|
|
time.Sleep(heartbeat + heartbeat)
|
|
|
|
setRingKeys()
|
|
|
|
// RingShard2 should have its keys.
|
|
Expect(ringShard2.Info().Val()).To(ContainSubstring("keys=43"))
|
|
})
|
|
|
|
It("supports pipelining", func() {
|
|
pipe := ring.Pipeline()
|
|
for i := 0; i < 100; i++ {
|
|
err := pipe.Set(fmt.Sprintf("key%d", i), "value", 0).Err()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
}
|
|
cmds, err := pipe.Exec()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
Expect(cmds).To(HaveLen(100))
|
|
Expect(pipe.Close()).NotTo(HaveOccurred())
|
|
|
|
for _, cmd := range cmds {
|
|
Expect(cmd.Err()).NotTo(HaveOccurred())
|
|
Expect(cmd.(*redis.StatusCmd).Val()).To(Equal("OK"))
|
|
}
|
|
|
|
// Both shards should have some keys now.
|
|
Expect(ringShard1.Info().Val()).To(ContainSubstring("keys=57"))
|
|
Expect(ringShard2.Info().Val()).To(ContainSubstring("keys=43"))
|
|
})
|
|
})
|