forked from mirror/redis
333 lines
8.3 KiB
Go
333 lines
8.3 KiB
Go
package redis_test
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import (
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"math/rand"
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"net"
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"testing"
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"time"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"gopkg.in/redis.v2"
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)
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type clusterScenario struct {
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ports []string
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nodeIds []string
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processes map[string]*redisProcess
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clients map[string]*redis.Client
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}
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func (s *clusterScenario) primary() *redis.Client {
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return s.clients[s.ports[0]]
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}
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func (s *clusterScenario) masters() []*redis.Client {
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result := make([]*redis.Client, 3)
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for pos, port := range s.ports[:3] {
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result[pos] = s.clients[port]
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}
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return result
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}
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func (s *clusterScenario) slaves() []*redis.Client {
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result := make([]*redis.Client, 3)
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for pos, port := range s.ports[3:] {
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result[pos] = s.clients[port]
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}
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return result
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}
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func (s *clusterScenario) clusterClient() *redis.ClusterClient {
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addrs := make([]string, len(s.ports))
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for i, port := range s.ports {
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addrs[i] = net.JoinHostPort("127.0.0.1", port)
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}
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return redis.NewClusterClient(&redis.ClusterOptions{
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Addrs: addrs,
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})
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}
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func startCluster(scenario *clusterScenario) error {
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// Start processes, connect individual clients
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for pos, port := range scenario.ports {
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process, err := startRedis(port, "--cluster-enabled", "yes")
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if err != nil {
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return err
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}
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client := redis.NewClient(&redis.Options{Addr: "127.0.0.1:" + port})
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info, err := client.ClusterNodes().Result()
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if err != nil {
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return err
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}
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scenario.processes[port] = process
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scenario.clients[port] = client
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scenario.nodeIds[pos] = info[:40]
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}
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// Meet cluster nodes
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for _, client := range scenario.clients {
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err := client.ClusterMeet("127.0.0.1", scenario.ports[0]).Err()
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if err != nil {
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return err
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}
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}
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// Bootstrap masters
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slots := []int{0, 5000, 10000, 16384}
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for pos, client := range scenario.masters() {
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err := client.ClusterAddSlotsRange(slots[pos], slots[pos+1]-1).Err()
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if err != nil {
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return err
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}
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}
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// Bootstrap slaves
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for pos, client := range scenario.slaves() {
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masterId := scenario.nodeIds[pos]
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// Wait for masters
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err := waitForSubstring(func() string {
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return client.ClusterNodes().Val()
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}, masterId, 10*time.Second)
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if err != nil {
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return err
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}
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err = client.ClusterReplicate(masterId).Err()
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if err != nil {
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return err
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}
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// Wait for slaves
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err = waitForSubstring(func() string {
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return scenario.primary().ClusterNodes().Val()
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}, "slave "+masterId, 10*time.Second)
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if err != nil {
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return err
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}
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}
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// Wait for cluster state to turn OK
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for _, client := range scenario.clients {
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err := waitForSubstring(func() string {
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return client.ClusterInfo().Val()
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}, "cluster_state:ok", 10*time.Second)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func stopCluster(scenario *clusterScenario) error {
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for _, client := range scenario.clients {
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if err := client.Close(); err != nil {
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return err
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}
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}
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for _, process := range scenario.processes {
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if err := process.Close(); err != nil {
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return err
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}
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}
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return nil
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}
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//------------------------------------------------------------------------------
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var _ = Describe("Cluster", func() {
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scenario := &clusterScenario{
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ports: []string{"8220", "8221", "8222", "8223", "8224", "8225"},
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nodeIds: make([]string, 6),
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processes: make(map[string]*redisProcess, 6),
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clients: make(map[string]*redis.Client, 6),
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}
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BeforeSuite(func() {
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Expect(startCluster(scenario)).NotTo(HaveOccurred())
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})
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AfterSuite(func() {
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Expect(stopCluster(scenario)).NotTo(HaveOccurred())
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})
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Describe("HashSlot", func() {
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It("should calculate hash slots", func() {
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tests := []struct {
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key string
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slot int
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}{
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{"123456789", 12739},
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{"{}foo", 9500},
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{"foo{}", 5542},
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{"foo{}{bar}", 8363},
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{"", 10503},
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{"", 5176},
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{string([]byte{83, 153, 134, 118, 229, 214, 244, 75, 140, 37, 215, 215}), 5463},
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}
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rand.Seed(100)
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for _, test := range tests {
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Expect(redis.HashSlot(test.key)).To(Equal(test.slot), "for %s", test.key)
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}
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})
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It("should extract keys from tags", func() {
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tests := []struct {
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one, two string
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}{
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{"foo{bar}", "bar"},
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{"{foo}bar", "foo"},
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{"{user1000}.following", "{user1000}.followers"},
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{"foo{{bar}}zap", "{bar"},
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{"foo{bar}{zap}", "bar"},
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}
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for _, test := range tests {
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Expect(redis.HashSlot(test.one)).To(Equal(redis.HashSlot(test.two)), "for %s <-> %s", test.one, test.two)
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}
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})
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})
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Describe("Commands", func() {
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It("should CLUSTER SLOTS", func() {
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res, err := scenario.primary().ClusterSlots().Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(res).To(HaveLen(3))
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Expect(res).To(ConsistOf([]redis.ClusterSlotInfo{
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{0, 4999, []string{"127.0.0.1:8220", "127.0.0.1:8223"}},
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{5000, 9999, []string{"127.0.0.1:8221", "127.0.0.1:8224"}},
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{10000, 16383, []string{"127.0.0.1:8222", "127.0.0.1:8225"}},
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}))
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})
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It("should CLUSTER NODES", func() {
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res, err := scenario.primary().ClusterNodes().Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(len(res)).To(BeNumerically(">", 400))
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})
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It("should CLUSTER INFO", func() {
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res, err := scenario.primary().ClusterInfo().Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(res).To(ContainSubstring("cluster_known_nodes:6"))
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})
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})
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Describe("Client", func() {
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var client *redis.ClusterClient
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BeforeEach(func() {
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client = scenario.clusterClient()
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})
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AfterEach(func() {
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for _, client := range scenario.masters() {
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Expect(client.FlushDb().Err()).NotTo(HaveOccurred())
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}
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Expect(client.Close()).NotTo(HaveOccurred())
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})
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It("should GET/SET/DEL", func() {
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val, err := client.Get("A").Result()
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Expect(err).To(Equal(redis.Nil))
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Expect(val).To(Equal(""))
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val, err = client.Set("A", "VALUE", 0).Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(val).To(Equal("OK"))
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val, err = client.Get("A").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(val).To(Equal("VALUE"))
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cnt, err := client.Del("A").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(cnt).To(Equal(int64(1)))
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})
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It("should follow redirects", func() {
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Expect(client.Set("A", "VALUE", 0).Err()).NotTo(HaveOccurred())
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slot := redis.HashSlot("A")
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Expect(client.SwapSlot(slot)).To(Equal([]string{"127.0.0.1:8224", "127.0.0.1:8221"}))
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val, err := client.Get("A").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(val).To(Equal("VALUE"))
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Expect(client.SlotAddrs(slot)).To(Equal([]string{"127.0.0.1:8224", "127.0.0.1:8221"}))
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Eventually(func() []string {
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return client.SlotAddrs(slot)
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}).Should(Equal([]string{"127.0.0.1:8221", "127.0.0.1:8224"}))
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})
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It("should perform multi-pipelines", func() {
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slot := redis.HashSlot("A")
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Expect(client.SlotAddrs(slot)).To(Equal([]string{"127.0.0.1:8221", "127.0.0.1:8224"}))
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Expect(client.SwapSlot(slot)).To(Equal([]string{"127.0.0.1:8224", "127.0.0.1:8221"}))
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pipe := client.Pipeline()
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defer pipe.Close()
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keys := []string{"A", "B", "C", "D", "E", "F", "G"}
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for i, key := range keys {
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pipe.Set(key, key+"_value", 0)
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pipe.Expire(key, time.Duration(i+1)*time.Hour)
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}
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for _, key := range keys {
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pipe.Get(key)
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pipe.TTL(key)
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}
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cmds, err := pipe.Exec()
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Expect(err).NotTo(HaveOccurred())
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Expect(cmds).To(HaveLen(28))
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Expect(cmds[14].(*redis.StringCmd).Val()).To(Equal("A_value"))
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Expect(cmds[15].(*redis.DurationCmd).Val()).To(BeNumerically("~", 1*time.Hour, time.Second))
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Expect(cmds[20].(*redis.StringCmd).Val()).To(Equal("D_value"))
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Expect(cmds[21].(*redis.DurationCmd).Val()).To(BeNumerically("~", 4*time.Hour, time.Second))
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Expect(cmds[26].(*redis.StringCmd).Val()).To(Equal("G_value"))
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Expect(cmds[27].(*redis.DurationCmd).Val()).To(BeNumerically("~", 7*time.Hour, time.Second))
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})
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})
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})
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//------------------------------------------------------------------------------
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func BenchmarkRedisClusterPing(b *testing.B) {
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scenario := &clusterScenario{
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ports: []string{"8220", "8221", "8222", "8223", "8224", "8225"},
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nodeIds: make([]string, 6),
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processes: make(map[string]*redisProcess, 6),
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clients: make(map[string]*redis.Client, 6),
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}
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if err := startCluster(scenario); err != nil {
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b.Fatal(err)
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}
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defer stopCluster(scenario)
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client := scenario.clusterClient()
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defer client.Close()
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b.ResetTimer()
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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if err := client.Ping().Err(); err != nil {
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b.Fatal(err)
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}
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}
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})
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}
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