forked from mirror/redis
96 lines
2.9 KiB
Go
96 lines
2.9 KiB
Go
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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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var _ = Describe("ClusterClient", func() {
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var subject *ClusterClient
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var populate = func() {
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subject.reset()
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subject.update([]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, err = 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(hashSlots))
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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(map[string]struct{}{
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"127.0.0.1:6379": struct{}{},
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"127.0.0.1:7000": struct{}{},
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"127.0.0.1:7001": struct{}{},
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"127.0.0.1:7002": struct{}{},
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"127.0.0.1:7003": struct{}{},
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"127.0.0.1:7004": struct{}{},
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"127.0.0.1:7005": struct{}{},
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"127.0.0.1:7006": struct{}{},
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"127.0.0.1:7007": struct{}{},
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}))
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})
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It("should find next addresses", func() {
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populate()
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seen := map[string]struct{}{
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"127.0.0.1:7000": struct{}{},
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"127.0.0.1:7001": struct{}{},
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"127.0.0.1:7003": struct{}{},
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}
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addr := subject.findNextAddr(seen)
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for addr != "" {
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seen[addr] = struct{}{}
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addr = subject.findNextAddr(seen)
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}
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Expect(subject.findNextAddr(seen)).To(Equal(""))
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Expect(seen).To(Equal(map[string]struct{}{
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"127.0.0.1:6379": struct{}{},
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"127.0.0.1:7000": struct{}{},
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"127.0.0.1:7001": struct{}{},
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"127.0.0.1:7002": struct{}{},
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"127.0.0.1:7003": struct{}{},
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"127.0.0.1:7004": struct{}{},
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"127.0.0.1:7005": struct{}{},
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"127.0.0.1:7006": struct{}{},
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"127.0.0.1:7007": struct{}{},
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}))
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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.forceReload()
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Expect(subject._reload).To(Equal(uint32(1)))
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})
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})
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