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commands_test.go
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package redis_test
import (
"context"
"encoding/json"
"fmt"
"reflect"
"strconv"
"time"
. "github.com/bsm/ginkgo/v2"
. "github.com/bsm/gomega"
"github.com/redis/go-redis/v9"
"github.com/redis/go-redis/v9/internal/proto"
)
type TimeValue struct {
time.Time
}
func (t *TimeValue) ScanRedis(s string) (err error) {
t.Time, err = time.Parse(time.RFC3339Nano, s)
return
}
var _ = Describe("Commands", func() {
ctx := context.TODO()
var client *redis.Client
BeforeEach(func() {
client = redis.NewClient(redisOptions())
Expect(client.FlushDB(ctx).Err()).NotTo(HaveOccurred())
})
AfterEach(func() {
Expect(client.Close()).NotTo(HaveOccurred())
})
Describe("server", func() {
It("should Auth", func() {
cmds, err := client.Pipelined(ctx, func(pipe redis.Pipeliner) error {
pipe.Auth(ctx, "password")
pipe.Auth(ctx, "")
return nil
})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("ERR AUTH"))
Expect(cmds[0].Err().Error()).To(ContainSubstring("ERR AUTH"))
Expect(cmds[1].Err().Error()).To(ContainSubstring("ERR AUTH"))
stats := client.PoolStats()
Expect(stats.Hits).To(Equal(uint32(1)))
Expect(stats.Misses).To(Equal(uint32(1)))
Expect(stats.Timeouts).To(Equal(uint32(0)))
Expect(stats.TotalConns).To(Equal(uint32(1)))
Expect(stats.IdleConns).To(Equal(uint32(1)))
})
It("should hello", func() {
cmds, err := client.Pipelined(ctx, func(pipe redis.Pipeliner) error {
pipe.Hello(ctx, 3, "", "", "")
return nil
})
Expect(err).NotTo(HaveOccurred())
m, err := cmds[0].(*redis.MapStringInterfaceCmd).Result()
Expect(err).NotTo(HaveOccurred())
Expect(m["proto"]).To(Equal(int64(3)))
})
It("should Echo", func() {
pipe := client.Pipeline()
echo := pipe.Echo(ctx, "hello")
_, err := pipe.Exec(ctx)
Expect(err).NotTo(HaveOccurred())
Expect(echo.Err()).NotTo(HaveOccurred())
Expect(echo.Val()).To(Equal("hello"))
})
It("should Ping", func() {
ping := client.Ping(ctx)
Expect(ping.Err()).NotTo(HaveOccurred())
Expect(ping.Val()).To(Equal("PONG"))
})
It("should Wait", func() {
const wait = 3 * time.Second
// assume testing on single redis instance
start := time.Now()
val, err := client.Wait(ctx, 1, wait).Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).To(Equal(int64(0)))
Expect(time.Now()).To(BeTemporally("~", start.Add(wait), 3*time.Second))
})
It("should WaitAOF", func() {
const waitAOF = 3 * time.Second
Skip("flaky test")
// assuming that the redis instance doesn't have AOF enabled
start := time.Now()
val, err := client.WaitAOF(ctx, 1, 1, waitAOF).Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).NotTo(ContainSubstring("ERR WAITAOF cannot be used when numlocal is set but appendonly is disabled"))
Expect(time.Now()).To(BeTemporally("~", start.Add(waitAOF), 3*time.Second))
})
It("should Select", Label("NonRedisEnterprise"), func() {
pipe := client.Pipeline()
sel := pipe.Select(ctx, 1)
_, err := pipe.Exec(ctx)
Expect(err).NotTo(HaveOccurred())
Expect(sel.Err()).NotTo(HaveOccurred())
Expect(sel.Val()).To(Equal("OK"))
})
It("should SwapDB", Label("NonRedisEnterprise"), func() {
pipe := client.Pipeline()
sel := pipe.SwapDB(ctx, 1, 2)
_, err := pipe.Exec(ctx)
Expect(err).NotTo(HaveOccurred())
Expect(sel.Err()).NotTo(HaveOccurred())
Expect(sel.Val()).To(Equal("OK"))
})
It("should BgRewriteAOF", func() {
Skip("flaky test")
val, err := client.BgRewriteAOF(ctx).Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).To(ContainSubstring("Background append only file rewriting"))
})
It("should BgSave", func() {
Skip("flaky test")
// workaround for "ERR Can't BGSAVE while AOF log rewriting is in progress"
Eventually(func() string {
return client.BgSave(ctx).Val()
}, "30s").Should(Equal("Background saving started"))
})
It("Should CommandGetKeys", func() {
keys, err := client.CommandGetKeys(ctx, "MSET", "a", "b", "c", "d", "e", "f").Result()
Expect(err).NotTo(HaveOccurred())
Expect(keys).To(Equal([]string{"a", "c", "e"}))
keys, err = client.CommandGetKeys(ctx, "EVAL", "not consulted", "3", "key1", "key2", "key3", "arg1", "arg2", "arg3", "argN").Result()
Expect(err).NotTo(HaveOccurred())
Expect(keys).To(Equal([]string{"key1", "key2", "key3"}))
keys, err = client.CommandGetKeys(ctx, "SORT", "mylist", "ALPHA", "STORE", "outlist").Result()
Expect(err).NotTo(HaveOccurred())
Expect(keys).To(Equal([]string{"mylist", "outlist"}))
_, err = client.CommandGetKeys(ctx, "FAKECOMMAND", "arg1", "arg2").Result()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError("ERR Invalid command specified"))
})
It("should CommandGetKeysAndFlags", func() {
keysAndFlags, err := client.CommandGetKeysAndFlags(ctx, "LMOVE", "mylist1", "mylist2", "left", "left").Result()
Expect(err).NotTo(HaveOccurred())
Expect(keysAndFlags).To(Equal([]redis.KeyFlags{
{
Key: "mylist1",
Flags: []string{"RW", "access", "delete"},
},
{
Key: "mylist2",
Flags: []string{"RW", "insert"},
},
}))
_, err = client.CommandGetKeysAndFlags(ctx, "FAKECOMMAND", "arg1", "arg2").Result()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError("ERR Invalid command specified"))
})
It("should ClientKill", func() {
r := client.ClientKill(ctx, "1.1.1.1:1111")
Expect(r.Err()).To(MatchError("ERR No such client"))
Expect(r.Val()).To(Equal(""))
})
It("should ClientKillByFilter", func() {
r := client.ClientKillByFilter(ctx, "TYPE", "test")
Expect(r.Err()).To(MatchError("ERR Unknown client type 'test'"))
Expect(r.Val()).To(Equal(int64(0)))
})
It("should ClientKillByFilter with MAXAGE", Label("NonRedisEnterprise"), func() {
var s []string
started := make(chan bool)
done := make(chan bool)
go func() {
defer GinkgoRecover()
started <- true
blpop := client.BLPop(ctx, 0, "list")
Expect(blpop.Val()).To(Equal(s))
done <- true
}()
<-started
select {
case <-done:
Fail("BLPOP is not blocked.")
case <-time.After(2 * time.Second):
// ok
}
killed := client.ClientKillByFilter(ctx, "MAXAGE", "1")
Expect(killed.Err()).NotTo(HaveOccurred())
Expect(killed.Val()).To(SatisfyAny(Equal(int64(2)), Equal(int64(3))))
select {
case <-done:
// ok
case <-time.After(time.Second):
Fail("BLPOP is still blocked.")
}
})
It("should ClientID", func() {
err := client.ClientID(ctx).Err()
Expect(err).NotTo(HaveOccurred())
Expect(client.ClientID(ctx).Val()).To(BeNumerically(">=", 0))
})
It("should ClientUnblock", func() {
id := client.ClientID(ctx).Val()
r, err := client.ClientUnblock(ctx, id).Result()
Expect(err).NotTo(HaveOccurred())
Expect(r).To(Equal(int64(0)))
})
It("should ClientUnblockWithError", func() {
id := client.ClientID(ctx).Val()
r, err := client.ClientUnblockWithError(ctx, id).Result()
Expect(err).NotTo(HaveOccurred())
Expect(r).To(Equal(int64(0)))
})
It("should ClientInfo", func() {
info, err := client.ClientInfo(ctx).Result()
Expect(err).NotTo(HaveOccurred())
Expect(info).NotTo(BeNil())
})
It("should ClientPause", Label("NonRedisEnterprise"), func() {
err := client.ClientPause(ctx, time.Second).Err()
Expect(err).NotTo(HaveOccurred())
start := time.Now()
err = client.Ping(ctx).Err()
Expect(err).NotTo(HaveOccurred())
Expect(time.Now()).To(BeTemporally("~", start.Add(time.Second), 800*time.Millisecond))
})
It("should ClientSetName and ClientGetName", func() {
pipe := client.Pipeline()
set := pipe.ClientSetName(ctx, "theclientname")
get := pipe.ClientGetName(ctx)
_, err := pipe.Exec(ctx)
Expect(err).NotTo(HaveOccurred())
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(BeTrue())
Expect(get.Err()).NotTo(HaveOccurred())
Expect(get.Val()).To(Equal("theclientname"))
})
It("should ClientSetInfo", func() {
pipe := client.Pipeline()
// Test setting the libName
libName := "go-redis"
libInfo := redis.WithLibraryName(libName)
setInfo := pipe.ClientSetInfo(ctx, libInfo)
_, err := pipe.Exec(ctx)
Expect(err).NotTo(HaveOccurred())
Expect(setInfo.Err()).NotTo(HaveOccurred())
Expect(setInfo.Val()).To(Equal("OK"))
// Test setting the libVer
libVer := "vX.x"
libInfo = redis.WithLibraryVersion(libVer)
setInfo = pipe.ClientSetInfo(ctx, libInfo)
_, err = pipe.Exec(ctx)
Expect(err).NotTo(HaveOccurred())
Expect(setInfo.Err()).NotTo(HaveOccurred())
Expect(setInfo.Val()).To(Equal("OK"))
// Test setting both fields, expect a panic
libInfo = redis.LibraryInfo{LibName: &libName, LibVer: &libVer}
Expect(func() {
defer func() {
if r := recover(); r != nil {
err := r.(error)
Expect(err).To(MatchError("both LibName and LibVer cannot be set at the same time"))
}
}()
pipe.ClientSetInfo(ctx, libInfo)
}).To(Panic())
// Test setting neither field, expect a panic
libInfo = redis.LibraryInfo{}
Expect(func() {
defer func() {
if r := recover(); r != nil {
err := r.(error)
Expect(err).To(MatchError("at least one of LibName and LibVer should be set"))
}
}()
pipe.ClientSetInfo(ctx, libInfo)
}).To(Panic())
// Test setting the default options for libName, libName suffix and libVer
clientInfo := client.ClientInfo(ctx).Val()
Expect(clientInfo.LibName).To(ContainSubstring("go-redis(go-redis,"))
// Test setting the libName suffix in options
opt := redisOptions()
opt.IdentitySuffix = "suffix"
client2 := redis.NewClient(opt)
defer client2.Close()
clientInfo = client2.ClientInfo(ctx).Val()
Expect(clientInfo.LibName).To(ContainSubstring("go-redis(suffix,"))
})
It("should ConfigGet", func() {
val, err := client.ConfigGet(ctx, "*").Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).NotTo(BeEmpty())
})
It("should ConfigGet Modules", func() {
SkipBeforeRedisMajor(8, "Config doesn't include modules before Redis 8")
expected := map[string]string{
"search-*": "search-timeout",
"ts-*": "ts-retention-policy",
"bf-*": "bf-error-rate",
"cf-*": "cf-initial-size",
}
for prefix, lookup := range expected {
val, err := client.ConfigGet(ctx, prefix).Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).NotTo(BeEmpty())
Expect(val[lookup]).NotTo(BeEmpty())
}
})
It("should ConfigResetStat", Label("NonRedisEnterprise"), func() {
r := client.ConfigResetStat(ctx)
Expect(r.Err()).NotTo(HaveOccurred())
Expect(r.Val()).To(Equal("OK"))
})
It("should ConfigSet", Label("NonRedisEnterprise"), func() {
configGet := client.ConfigGet(ctx, "maxmemory")
Expect(configGet.Err()).NotTo(HaveOccurred())
Expect(configGet.Val()).To(HaveLen(1))
_, ok := configGet.Val()["maxmemory"]
Expect(ok).To(BeTrue())
configSet := client.ConfigSet(ctx, "maxmemory", configGet.Val()["maxmemory"])
Expect(configSet.Err()).NotTo(HaveOccurred())
Expect(configSet.Val()).To(Equal("OK"))
})
It("should ConfigGet with Modules", Label("NonRedisEnterprise"), func() {
SkipBeforeRedisMajor(8, "config get won't return modules configs before redis 8")
configGet := client.ConfigGet(ctx, "*")
Expect(configGet.Err()).NotTo(HaveOccurred())
Expect(configGet.Val()).To(HaveKey("maxmemory"))
Expect(configGet.Val()).To(HaveKey("search-timeout"))
Expect(configGet.Val()).To(HaveKey("ts-retention-policy"))
Expect(configGet.Val()).To(HaveKey("bf-error-rate"))
Expect(configGet.Val()).To(HaveKey("cf-initial-size"))
})
It("should ConfigSet FT DIALECT", func() {
SkipBeforeRedisMajor(8, "config doesn't include modules before Redis 8")
defaultState, err := client.ConfigGet(ctx, "search-default-dialect").Result()
Expect(err).NotTo(HaveOccurred())
// set to 3
res, err := client.ConfigSet(ctx, "search-default-dialect", "3").Result()
Expect(err).NotTo(HaveOccurred())
Expect(res).To(BeEquivalentTo("OK"))
defDialect, err := client.FTConfigGet(ctx, "DEFAULT_DIALECT").Result()
Expect(err).NotTo(HaveOccurred())
Expect(defDialect).To(BeEquivalentTo(map[string]interface{}{"DEFAULT_DIALECT": "3"}))
resGet, err := client.ConfigGet(ctx, "search-default-dialect").Result()
Expect(err).NotTo(HaveOccurred())
Expect(resGet).To(BeEquivalentTo(map[string]string{"search-default-dialect": "3"}))
// set to 2
res, err = client.ConfigSet(ctx, "search-default-dialect", "2").Result()
Expect(err).NotTo(HaveOccurred())
Expect(res).To(BeEquivalentTo("OK"))
defDialect, err = client.FTConfigGet(ctx, "DEFAULT_DIALECT").Result()
Expect(err).NotTo(HaveOccurred())
Expect(defDialect).To(BeEquivalentTo(map[string]interface{}{"DEFAULT_DIALECT": "2"}))
// set to 1
res, err = client.ConfigSet(ctx, "search-default-dialect", "1").Result()
Expect(err).NotTo(HaveOccurred())
Expect(res).To(BeEquivalentTo("OK"))
defDialect, err = client.FTConfigGet(ctx, "DEFAULT_DIALECT").Result()
Expect(err).NotTo(HaveOccurred())
Expect(defDialect).To(BeEquivalentTo(map[string]interface{}{"DEFAULT_DIALECT": "1"}))
resGet, err = client.ConfigGet(ctx, "search-default-dialect").Result()
Expect(err).NotTo(HaveOccurred())
Expect(resGet).To(BeEquivalentTo(map[string]string{"search-default-dialect": "1"}))
// set to default
res, err = client.ConfigSet(ctx, "search-default-dialect", defaultState["search-default-dialect"]).Result()
Expect(err).NotTo(HaveOccurred())
Expect(res).To(BeEquivalentTo("OK"))
})
It("should ConfigSet fail for ReadOnly", func() {
SkipBeforeRedisMajor(8, "Config doesn't include modules before Redis 8")
_, err := client.ConfigSet(ctx, "search-max-doctablesize", "100000").Result()
Expect(err).To(HaveOccurred())
})
It("should ConfigSet Modules", func() {
SkipBeforeRedisMajor(8, "Config doesn't include modules before Redis 8")
defaults := map[string]string{}
expected := map[string]string{
"search-timeout": "100",
"ts-retention-policy": "2",
"bf-error-rate": "0.13",
"cf-initial-size": "64",
}
// read the defaults to set them back later
for setting, _ := range expected {
val, err := client.ConfigGet(ctx, setting).Result()
Expect(err).NotTo(HaveOccurred())
defaults[setting] = val[setting]
}
// check if new values can be set
for setting, value := range expected {
val, err := client.ConfigSet(ctx, setting, value).Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).NotTo(BeEmpty())
Expect(val).To(Equal("OK"))
}
for setting, value := range expected {
val, err := client.ConfigGet(ctx, setting).Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).NotTo(BeEmpty())
Expect(val[setting]).To(Equal(value))
}
// set back to the defaults
for setting, value := range defaults {
val, err := client.ConfigSet(ctx, setting, value).Result()
Expect(err).NotTo(HaveOccurred())
Expect(val).NotTo(BeEmpty())
Expect(val).To(Equal("OK"))
}
})
It("should Fail ConfigSet Modules", func() {
SkipBeforeRedisMajor(8, "Config doesn't include modules before Redis 8")
expected := map[string]string{
"search-timeout": "-100",
"ts-retention-policy": "-10",
"bf-error-rate": "1.5",
"cf-initial-size": "-10",
}
for setting, value := range expected {
val, err := client.ConfigSet(ctx, setting, value).Result()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(ContainSubstring(setting)))
Expect(val).To(BeEmpty())
}
})
It("should ConfigRewrite", Label("NonRedisEnterprise"), func() {
configRewrite := client.ConfigRewrite(ctx)
Expect(configRewrite.Err()).NotTo(HaveOccurred())
Expect(configRewrite.Val()).To(Equal("OK"))
})
It("should DBSize", func() {
size, err := client.DBSize(ctx).Result()
Expect(err).NotTo(HaveOccurred())
Expect(size).To(Equal(int64(0)))
})
It("should Info", func() {
info := client.Info(ctx)
Expect(info.Err()).NotTo(HaveOccurred())
Expect(info.Val()).NotTo(Equal(""))
})
It("should InfoMap", Label("redis.info"), func() {
info := client.InfoMap(ctx)
Expect(info.Err()).NotTo(HaveOccurred())
Expect(info.Val()).NotTo(BeNil())
info = client.InfoMap(ctx, "dummy")
Expect(info.Err()).NotTo(HaveOccurred())
Expect(info.Val()).To(BeNil())
info = client.InfoMap(ctx, "server")
Expect(info.Err()).NotTo(HaveOccurred())
Expect(info.Val()).To(HaveLen(1))
})
It("should Info cpu", func() {
info := client.Info(ctx, "cpu")
Expect(info.Err()).NotTo(HaveOccurred())
Expect(info.Val()).NotTo(Equal(""))
Expect(info.Val()).To(ContainSubstring(`used_cpu_sys`))
})
It("should Info cpu and memory", func() {
info := client.Info(ctx, "cpu", "memory")
Expect(info.Err()).NotTo(HaveOccurred())
Expect(info.Val()).NotTo(Equal(""))
Expect(info.Val()).To(ContainSubstring(`used_cpu_sys`))
Expect(info.Val()).To(ContainSubstring(`memory`))
})
It("should LastSave", Label("NonRedisEnterprise"), func() {
lastSave := client.LastSave(ctx)
Expect(lastSave.Err()).NotTo(HaveOccurred())
Expect(lastSave.Val()).NotTo(Equal(0))
})
It("should Save", Label("NonRedisEnterprise"), func() {
// workaround for "ERR Background save already in progress"
Eventually(func() string {
return client.Save(ctx).Val()
}, "10s").Should(Equal("OK"))
})
It("should SlaveOf", Label("NonRedisEnterprise"), func() {
slaveOf := client.SlaveOf(ctx, "localhost", "8888")
Expect(slaveOf.Err()).NotTo(HaveOccurred())
Expect(slaveOf.Val()).To(Equal("OK"))
slaveOf = client.SlaveOf(ctx, "NO", "ONE")
Expect(slaveOf.Err()).NotTo(HaveOccurred())
Expect(slaveOf.Val()).To(Equal("OK"))
})
It("should Time", func() {
tm, err := client.Time(ctx).Result()
Expect(err).NotTo(HaveOccurred())
Expect(tm).To(BeTemporally("~", time.Now(), 3*time.Second))
})
It("should Command", Label("NonRedisEnterprise"), func() {
cmds, err := client.Command(ctx).Result()
Expect(err).NotTo(HaveOccurred())
cmd := cmds["mget"]
Expect(cmd.Name).To(Equal("mget"))
Expect(cmd.Arity).To(Equal(int8(-2)))
Expect(cmd.Flags).To(ContainElement("readonly"))
Expect(cmd.FirstKeyPos).To(Equal(int8(1)))
Expect(cmd.LastKeyPos).To(Equal(int8(-1)))
Expect(cmd.StepCount).To(Equal(int8(1)))
cmd = cmds["ping"]
Expect(cmd.Name).To(Equal("ping"))
Expect(cmd.Arity).To(Equal(int8(-1)))
Expect(cmd.Flags).To(ContainElement("fast"))
Expect(cmd.FirstKeyPos).To(Equal(int8(0)))
Expect(cmd.LastKeyPos).To(Equal(int8(0)))
Expect(cmd.StepCount).To(Equal(int8(0)))
})
It("should return all command names", func() {
cmdList := client.CommandList(ctx, nil)
Expect(cmdList.Err()).NotTo(HaveOccurred())
cmdNames := cmdList.Val()
Expect(cmdNames).NotTo(BeEmpty())
// Assert that some expected commands are present in the list
Expect(cmdNames).To(ContainElement("get"))
Expect(cmdNames).To(ContainElement("set"))
Expect(cmdNames).To(ContainElement("hset"))
})
It("should filter commands by module", func() {
filter := &redis.FilterBy{
Module: "JSON",
}
cmdList := client.CommandList(ctx, filter)
Expect(cmdList.Err()).NotTo(HaveOccurred())
Expect(cmdList.Val()).To(HaveLen(0))
})
It("should filter commands by ACL category", func() {
filter := &redis.FilterBy{
ACLCat: "admin",
}
cmdList := client.CommandList(ctx, filter)
Expect(cmdList.Err()).NotTo(HaveOccurred())
cmdNames := cmdList.Val()
// Assert that the returned list only contains commands from the admin ACL category
Expect(len(cmdNames)).To(BeNumerically(">", 10))
})
It("should filter commands by pattern", func() {
filter := &redis.FilterBy{
Pattern: "*GET*",
}
cmdList := client.CommandList(ctx, filter)
Expect(cmdList.Err()).NotTo(HaveOccurred())
cmdNames := cmdList.Val()
// Assert that the returned list only contains commands that match the given pattern
Expect(cmdNames).To(ContainElement("get"))
Expect(cmdNames).To(ContainElement("getbit"))
Expect(cmdNames).To(ContainElement("getrange"))
Expect(cmdNames).NotTo(ContainElement("set"))
})
})
Describe("debugging", func() {
PIt("should DebugObject", func() {
err := client.DebugObject(ctx, "foo").Err()
Expect(err).To(MatchError("ERR no such key"))
err = client.Set(ctx, "foo", "bar", 0).Err()
Expect(err).NotTo(HaveOccurred())
s, err := client.DebugObject(ctx, "foo").Result()
Expect(err).NotTo(HaveOccurred())
Expect(s).To(ContainSubstring("serializedlength:4"))
})
It("should MemoryUsage", func() {
err := client.MemoryUsage(ctx, "foo").Err()
Expect(err).To(Equal(redis.Nil))
err = client.Set(ctx, "foo", "bar", 0).Err()
Expect(err).NotTo(HaveOccurred())
n, err := client.MemoryUsage(ctx, "foo").Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).NotTo(BeZero())
n, err = client.MemoryUsage(ctx, "foo", 0).Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).NotTo(BeZero())
})
})
Describe("keys", func() {
It("should Del", func() {
err := client.Set(ctx, "key1", "Hello", 0).Err()
Expect(err).NotTo(HaveOccurred())
err = client.Set(ctx, "key2", "World", 0).Err()
Expect(err).NotTo(HaveOccurred())
n, err := client.Del(ctx, "key1", "key2", "key3").Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).To(Equal(int64(2)))
})
It("should Unlink", func() {
err := client.Set(ctx, "key1", "Hello", 0).Err()
Expect(err).NotTo(HaveOccurred())
err = client.Set(ctx, "key2", "World", 0).Err()
Expect(err).NotTo(HaveOccurred())
n, err := client.Unlink(ctx, "key1", "key2", "key3").Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).To(Equal(int64(2)))
})
It("should Dump", func() {
set := client.Set(ctx, "key", "hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
dump := client.Dump(ctx, "key")
Expect(dump.Err()).NotTo(HaveOccurred())
Expect(dump.Val()).NotTo(BeEmpty())
})
It("should Exists", func() {
set := client.Set(ctx, "key1", "Hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
n, err := client.Exists(ctx, "key1").Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).To(Equal(int64(1)))
n, err = client.Exists(ctx, "key2").Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).To(Equal(int64(0)))
n, err = client.Exists(ctx, "key1", "key2").Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).To(Equal(int64(1)))
n, err = client.Exists(ctx, "key1", "key1").Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).To(Equal(int64(2)))
})
It("should Expire", func() {
set := client.Set(ctx, "key", "Hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
expire := client.Expire(ctx, "key", 10*time.Second)
Expect(expire.Err()).NotTo(HaveOccurred())
Expect(expire.Val()).To(Equal(true))
ttl := client.TTL(ctx, "key")
Expect(ttl.Err()).NotTo(HaveOccurred())
Expect(ttl.Val()).To(Equal(10 * time.Second))
set = client.Set(ctx, "key", "Hello World", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
ttl = client.TTL(ctx, "key")
Expect(ttl.Err()).NotTo(HaveOccurred())
Expect(ttl.Val()).To(Equal(time.Duration(-1)))
ttl = client.TTL(ctx, "nonexistent_key")
Expect(ttl.Err()).NotTo(HaveOccurred())
Expect(ttl.Val()).To(Equal(time.Duration(-2)))
})
It("should ExpireAt", func() {
setCmd := client.Set(ctx, "key", "Hello", 0)
Expect(setCmd.Err()).NotTo(HaveOccurred())
Expect(setCmd.Val()).To(Equal("OK"))
n, err := client.Exists(ctx, "key").Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).To(Equal(int64(1)))
// Check correct expiration time is set in the future
expireAt := time.Now().Add(time.Minute)
expireAtCmd := client.ExpireAt(ctx, "key", expireAt)
Expect(expireAtCmd.Err()).NotTo(HaveOccurred())
Expect(expireAtCmd.Val()).To(Equal(true))
timeCmd := client.ExpireTime(ctx, "key")
Expect(timeCmd.Err()).NotTo(HaveOccurred())
Expect(timeCmd.Val().Seconds()).To(BeNumerically("==", expireAt.Unix()))
// Check correct expiration in the past
expireAtCmd = client.ExpireAt(ctx, "key", time.Now().Add(-time.Hour))
Expect(expireAtCmd.Err()).NotTo(HaveOccurred())
Expect(expireAtCmd.Val()).To(Equal(true))
n, err = client.Exists(ctx, "key").Result()
Expect(err).NotTo(HaveOccurred())
Expect(n).To(Equal(int64(0)))
})
It("should Keys", func() {
mset := client.MSet(ctx, "one", "1", "two", "2", "three", "3", "four", "4")
Expect(mset.Err()).NotTo(HaveOccurred())
Expect(mset.Val()).To(Equal("OK"))
keys := client.Keys(ctx, "*o*")
Expect(keys.Err()).NotTo(HaveOccurred())
Expect(keys.Val()).To(ConsistOf([]string{"four", "one", "two"}))
keys = client.Keys(ctx, "t??")
Expect(keys.Err()).NotTo(HaveOccurred())
Expect(keys.Val()).To(Equal([]string{"two"}))
keys = client.Keys(ctx, "*")
Expect(keys.Err()).NotTo(HaveOccurred())
Expect(keys.Val()).To(ConsistOf([]string{"four", "one", "three", "two"}))
})
It("should Migrate", Label("NonRedisEnterprise"), func() {
migrate := client.Migrate(ctx, "localhost", redisSecondaryPort, "key", 0, 0)
Expect(migrate.Err()).NotTo(HaveOccurred())
Expect(migrate.Val()).To(Equal("NOKEY"))
set := client.Set(ctx, "key", "hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
migrate = client.Migrate(ctx, "localhost", redisSecondaryPort, "key", 0, 0)
Expect(migrate.Err()).To(MatchError("IOERR error or timeout writing to target instance"))
Expect(migrate.Val()).To(Equal(""))
})
It("should Move", Label("NonRedisEnterprise"), func() {
move := client.Move(ctx, "key", 2)
Expect(move.Err()).NotTo(HaveOccurred())
Expect(move.Val()).To(Equal(false))
set := client.Set(ctx, "key", "hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
move = client.Move(ctx, "key", 2)
Expect(move.Err()).NotTo(HaveOccurred())
Expect(move.Val()).To(Equal(true))
get := client.Get(ctx, "key")
Expect(get.Err()).To(Equal(redis.Nil))
Expect(get.Val()).To(Equal(""))
pipe := client.Pipeline()
pipe.Select(ctx, 2)
get = pipe.Get(ctx, "key")
pipe.FlushDB(ctx)
_, err := pipe.Exec(ctx)
Expect(err).NotTo(HaveOccurred())
Expect(get.Val()).To(Equal("hello"))
})
It("should Object", Label("NonRedisEnterprise"), func() {
start := time.Now()
set := client.Set(ctx, "key", "hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
refCount := client.ObjectRefCount(ctx, "key")
Expect(refCount.Err()).NotTo(HaveOccurred())
Expect(refCount.Val()).To(Equal(int64(1)))
client.ConfigSet(ctx, "maxmemory-policy", "volatile-lfu")
freq := client.ObjectFreq(ctx, "key")
Expect(freq.Err()).NotTo(HaveOccurred())
client.ConfigSet(ctx, "maxmemory-policy", "noeviction") // default
err := client.ObjectEncoding(ctx, "key").Err()
Expect(err).NotTo(HaveOccurred())
idleTime := client.ObjectIdleTime(ctx, "key")
Expect(idleTime.Err()).NotTo(HaveOccurred())
// Redis returned milliseconds/1000, which may cause ObjectIdleTime to be at a critical value,
// should be +1s to deal with the critical value problem.
// if too much time (>1s) is used during command execution, it may also cause the test to fail.
// so the ObjectIdleTime result should be <=now-start+1s
// link: https://github.com/redis/redis/blob/5b48d900498c85bbf4772c1d466c214439888115/src/object.c#L1265-L1272
Expect(idleTime.Val()).To(BeNumerically("<=", time.Since(start)+time.Second))
})
It("should Persist", func() {
set := client.Set(ctx, "key", "Hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
expire := client.Expire(ctx, "key", 10*time.Second)
Expect(expire.Err()).NotTo(HaveOccurred())
Expect(expire.Val()).To(Equal(true))
ttl := client.TTL(ctx, "key")
Expect(ttl.Err()).NotTo(HaveOccurred())
Expect(ttl.Val()).To(Equal(10 * time.Second))
persist := client.Persist(ctx, "key")
Expect(persist.Err()).NotTo(HaveOccurred())
Expect(persist.Val()).To(Equal(true))
ttl = client.TTL(ctx, "key")
Expect(ttl.Err()).NotTo(HaveOccurred())
Expect(ttl.Val() < 0).To(Equal(true))
})
It("should PExpire", func() {
set := client.Set(ctx, "key", "Hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
expiration := 900 * time.Millisecond
pexpire := client.PExpire(ctx, "key", expiration)
Expect(pexpire.Err()).NotTo(HaveOccurred())
Expect(pexpire.Val()).To(Equal(true))
ttl := client.TTL(ctx, "key")
Expect(ttl.Err()).NotTo(HaveOccurred())
Expect(ttl.Val()).To(Equal(time.Second))
pttl := client.PTTL(ctx, "key")
Expect(pttl.Err()).NotTo(HaveOccurred())
Expect(pttl.Val()).To(BeNumerically("~", expiration, 100*time.Millisecond))
})
It("should PExpireAt", func() {
set := client.Set(ctx, "key", "Hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
expiration := 900 * time.Millisecond
pexpireat := client.PExpireAt(ctx, "key", time.Now().Add(expiration))
Expect(pexpireat.Err()).NotTo(HaveOccurred())
Expect(pexpireat.Val()).To(Equal(true))
ttl := client.TTL(ctx, "key")
Expect(ttl.Err()).NotTo(HaveOccurred())
Expect(ttl.Val()).To(Equal(time.Second))
pttl := client.PTTL(ctx, "key")
Expect(pttl.Err()).NotTo(HaveOccurred())
Expect(pttl.Val()).To(BeNumerically("~", expiration, 100*time.Millisecond))
})
It("should PExpireTime", func() {
// The command returns -1 if the key exists but has no associated expiration time.
// The command returns -2 if the key does not exist.
pExpireTime := client.PExpireTime(ctx, "key")
Expect(pExpireTime.Err()).NotTo(HaveOccurred())
Expect(pExpireTime.Val() < 0).To(Equal(true))
set := client.Set(ctx, "key", "hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
timestamp := time.Now().Add(time.Minute)
expireAt := client.PExpireAt(ctx, "key", timestamp)
Expect(expireAt.Err()).NotTo(HaveOccurred())
Expect(expireAt.Val()).To(Equal(true))
pExpireTime = client.PExpireTime(ctx, "key")
Expect(pExpireTime.Err()).NotTo(HaveOccurred())
Expect(pExpireTime.Val().Milliseconds()).To(BeNumerically("==", timestamp.UnixMilli()))
})
It("should PTTL", func() {
set := client.Set(ctx, "key", "Hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
expiration := time.Second
expire := client.Expire(ctx, "key", expiration)
Expect(expire.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
pttl := client.PTTL(ctx, "key")
Expect(pttl.Err()).NotTo(HaveOccurred())
Expect(pttl.Val()).To(BeNumerically("~", expiration, 100*time.Millisecond))
})
It("should RandomKey", func() {
randomKey := client.RandomKey(ctx)
Expect(randomKey.Err()).To(Equal(redis.Nil))
Expect(randomKey.Val()).To(Equal(""))
set := client.Set(ctx, "key", "hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
randomKey = client.RandomKey(ctx)
Expect(randomKey.Err()).NotTo(HaveOccurred())
Expect(randomKey.Val()).To(Equal("key"))
})
It("should Rename", Label("NonRedisEnterprise"), func() {
set := client.Set(ctx, "key", "hello", 0)
Expect(set.Err()).NotTo(HaveOccurred())
Expect(set.Val()).To(Equal("OK"))
status := client.Rename(ctx, "key", "key1")
Expect(status.Err()).NotTo(HaveOccurred())
Expect(status.Val()).To(Equal("OK"))
get := client.Get(ctx, "key1")
Expect(get.Err()).NotTo(HaveOccurred())
Expect(get.Val()).To(Equal("hello"))