mirror of https://github.com/go-redis/redis.git
96 lines
2.8 KiB
Go
96 lines
2.8 KiB
Go
package redis
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import (
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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// GetSlot returns the cached slot addresses
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func (c *ClusterClient) GetSlot(pos int) []string {
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c.slotsMx.RLock()
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defer c.slotsMx.RUnlock()
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return c.slots[pos]
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}
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// SwapSlot swaps a slot's master/slave address
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// for testing MOVED redirects
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func (c *ClusterClient) SwapSlot(pos int) []string {
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c.slotsMx.Lock()
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defer c.slotsMx.Unlock()
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c.slots[pos][0], c.slots[pos][1] = c.slots[pos][1], c.slots[pos][0]
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return c.slots[pos]
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}
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var _ = Describe("ClusterClient", func() {
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var subject *ClusterClient
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var populate = func() {
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subject.setSlots([]ClusterSlotInfo{
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{0, 4095, []string{"127.0.0.1:7000", "127.0.0.1:7004"}},
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{12288, 16383, []string{"127.0.0.1:7003", "127.0.0.1:7007"}},
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{4096, 8191, []string{"127.0.0.1:7001", "127.0.0.1:7005"}},
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{8192, 12287, []string{"127.0.0.1:7002", "127.0.0.1:7006"}},
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})
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}
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BeforeEach(func() {
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var err error
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subject = NewClusterClient(&ClusterOptions{
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Addrs: []string{"127.0.0.1:6379", "127.0.0.1:7003", "127.0.0.1:7006"},
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})
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Expect(err).NotTo(HaveOccurred())
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})
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AfterEach(func() {
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subject.Close()
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})
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It("should initialize", func() {
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Expect(subject.addrs).To(HaveLen(3))
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Expect(subject.slots).To(HaveLen(16384))
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Expect(subject._reload).To(Equal(uint32(0)))
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})
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It("should update slots cache", func() {
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populate()
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Expect(subject.slots[0]).To(Equal([]string{"127.0.0.1:7000", "127.0.0.1:7004"}))
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Expect(subject.slots[4095]).To(Equal([]string{"127.0.0.1:7000", "127.0.0.1:7004"}))
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Expect(subject.slots[4096]).To(Equal([]string{"127.0.0.1:7001", "127.0.0.1:7005"}))
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Expect(subject.slots[8191]).To(Equal([]string{"127.0.0.1:7001", "127.0.0.1:7005"}))
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Expect(subject.slots[8192]).To(Equal([]string{"127.0.0.1:7002", "127.0.0.1:7006"}))
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Expect(subject.slots[12287]).To(Equal([]string{"127.0.0.1:7002", "127.0.0.1:7006"}))
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Expect(subject.slots[12288]).To(Equal([]string{"127.0.0.1:7003", "127.0.0.1:7007"}))
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Expect(subject.slots[16383]).To(Equal([]string{"127.0.0.1:7003", "127.0.0.1:7007"}))
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Expect(subject.addrs).To(Equal([]string{
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"127.0.0.1:6379",
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"127.0.0.1:7003",
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"127.0.0.1:7006",
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"127.0.0.1:7000",
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"127.0.0.1:7004",
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"127.0.0.1:7007",
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"127.0.0.1:7001",
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"127.0.0.1:7005",
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"127.0.0.1:7002",
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}))
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})
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It("should close", func() {
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populate()
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Expect(subject.Close()).NotTo(HaveOccurred())
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Expect(subject.clients).To(BeEmpty())
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Expect(subject.slots[0]).To(BeEmpty())
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Expect(subject.slots[8191]).To(BeEmpty())
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Expect(subject.slots[8192]).To(BeEmpty())
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Expect(subject.slots[16383]).To(BeEmpty())
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Expect(subject.Ping().Err().Error()).To(Equal("redis: client is closed"))
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})
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It("should check if reload is due", func() {
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subject._reload = 0
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Expect(subject._reload).To(Equal(uint32(0)))
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subject.scheduleReload()
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Expect(subject._reload).To(Equal(uint32(1)))
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})
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})
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