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store/tikv: move tests of rawkv from region_cache_test to rawkv_test.…
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| // Copyright 2021 PingCAP, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| package tikv | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
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| . "github.com/pingcap/check" | ||
| "github.com/pingcap/tidb/store/tikv/kv" | ||
| "github.com/pingcap/tidb/store/tikv/mockstore/mocktikv" | ||
| "github.com/pingcap/tidb/store/tikv/retry" | ||
| ) | ||
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| type testRawkvSuite struct { | ||
| OneByOneSuite | ||
| cluster *mocktikv.Cluster | ||
| store1 uint64 // store1 is leader | ||
| store2 uint64 // store2 is follower | ||
| peer1 uint64 // peer1 is leader | ||
| peer2 uint64 // peer2 is follower | ||
| region1 uint64 | ||
| bo *retry.Backoffer | ||
| } | ||
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| var _ = Suite(&testRawkvSuite{}) | ||
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| func (s *testRawkvSuite) SetUpTest(c *C) { | ||
| s.cluster = mocktikv.NewCluster(mocktikv.MustNewMVCCStore()) | ||
| storeIDs, peerIDs, regionID, _ := mocktikv.BootstrapWithMultiStores(s.cluster, 2) | ||
| s.region1 = regionID | ||
| s.store1 = storeIDs[0] | ||
| s.store2 = storeIDs[1] | ||
| s.peer1 = peerIDs[0] | ||
| s.peer2 = peerIDs[1] | ||
| s.bo = retry.NewBackofferWithVars(context.Background(), 5000, nil) | ||
| } | ||
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| func (s *testRawkvSuite) storeAddr(id uint64) string { | ||
| return fmt.Sprintf("store%d", id) | ||
| } | ||
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| func (s *testRawkvSuite) TestReplaceAddrWithNewStore(c *C) { | ||
| mvccStore := mocktikv.MustNewMVCCStore() | ||
| defer mvccStore.Close() | ||
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| client := &RawKVClient{ | ||
| clusterID: 0, | ||
| regionCache: NewRegionCache(mocktikv.NewPDClient(s.cluster)), | ||
| rpcClient: mocktikv.NewRPCClient(s.cluster, mvccStore, nil), | ||
| } | ||
| defer client.Close() | ||
| testKey := []byte("test_key") | ||
| testValue := []byte("test_value") | ||
| err := client.Put(testKey, testValue) | ||
| c.Assert(err, IsNil) | ||
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| // make store2 using store1's addr and store1 offline | ||
| store1Addr := s.storeAddr(s.store1) | ||
| s.cluster.UpdateStoreAddr(s.store1, s.storeAddr(s.store2)) | ||
| s.cluster.UpdateStoreAddr(s.store2, store1Addr) | ||
| s.cluster.RemoveStore(s.store1) | ||
| s.cluster.ChangeLeader(s.region1, s.peer2) | ||
| s.cluster.RemovePeer(s.region1, s.peer1) | ||
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| getVal, err := client.Get(testKey) | ||
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| c.Assert(err, IsNil) | ||
| c.Assert(getVal, BytesEquals, testValue) | ||
| } | ||
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| func (s *testRawkvSuite) TestUpdateStoreAddr(c *C) { | ||
| mvccStore := mocktikv.MustNewMVCCStore() | ||
| defer mvccStore.Close() | ||
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| client := &RawKVClient{ | ||
| clusterID: 0, | ||
| regionCache: NewRegionCache(mocktikv.NewPDClient(s.cluster)), | ||
| rpcClient: mocktikv.NewRPCClient(s.cluster, mvccStore, nil), | ||
| } | ||
| defer client.Close() | ||
| testKey := []byte("test_key") | ||
| testValue := []byte("test_value") | ||
| err := client.Put(testKey, testValue) | ||
| c.Assert(err, IsNil) | ||
| // tikv-server reports `StoreNotMatch` And retry | ||
| store1Addr := s.storeAddr(s.store1) | ||
| s.cluster.UpdateStoreAddr(s.store1, s.storeAddr(s.store2)) | ||
| s.cluster.UpdateStoreAddr(s.store2, store1Addr) | ||
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| getVal, err := client.Get(testKey) | ||
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| c.Assert(err, IsNil) | ||
| c.Assert(getVal, BytesEquals, testValue) | ||
| } | ||
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| func (s *testRawkvSuite) TestReplaceNewAddrAndOldOfflineImmediately(c *C) { | ||
| mvccStore := mocktikv.MustNewMVCCStore() | ||
| defer mvccStore.Close() | ||
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| client := &RawKVClient{ | ||
| clusterID: 0, | ||
| regionCache: NewRegionCache(mocktikv.NewPDClient(s.cluster)), | ||
| rpcClient: mocktikv.NewRPCClient(s.cluster, mvccStore, nil), | ||
| } | ||
| defer client.Close() | ||
| testKey := []byte("test_key") | ||
| testValue := []byte("test_value") | ||
| err := client.Put(testKey, testValue) | ||
| c.Assert(err, IsNil) | ||
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| // pre-load store2's address into cache via follower-read. | ||
| loc, err := client.regionCache.LocateKey(s.bo, testKey) | ||
| c.Assert(err, IsNil) | ||
| fctx, err := client.regionCache.GetTiKVRPCContext(s.bo, loc.Region, kv.ReplicaReadFollower, 0) | ||
| c.Assert(err, IsNil) | ||
| c.Assert(fctx.Store.storeID, Equals, s.store2) | ||
| c.Assert(fctx.Addr, Equals, "store2") | ||
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| // make store2 using store1's addr and store1 offline | ||
| store1Addr := s.storeAddr(s.store1) | ||
| s.cluster.UpdateStoreAddr(s.store1, s.storeAddr(s.store2)) | ||
| s.cluster.UpdateStoreAddr(s.store2, store1Addr) | ||
| s.cluster.RemoveStore(s.store1) | ||
| s.cluster.ChangeLeader(s.region1, s.peer2) | ||
| s.cluster.RemovePeer(s.region1, s.peer1) | ||
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| getVal, err := client.Get(testKey) | ||
| c.Assert(err, IsNil) | ||
| c.Assert(getVal, BytesEquals, testValue) | ||
| } | ||
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| func (s *testRawkvSuite) TestReplaceStore(c *C) { | ||
| mvccStore := mocktikv.MustNewMVCCStore() | ||
| defer mvccStore.Close() | ||
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| client := &RawKVClient{ | ||
| clusterID: 0, | ||
| regionCache: NewRegionCache(mocktikv.NewPDClient(s.cluster)), | ||
| rpcClient: mocktikv.NewRPCClient(s.cluster, mvccStore, nil), | ||
| } | ||
| defer client.Close() | ||
| testKey := []byte("test_key") | ||
| testValue := []byte("test_value") | ||
| err := client.Put(testKey, testValue) | ||
| c.Assert(err, IsNil) | ||
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| s.cluster.MarkTombstone(s.store1) | ||
| store3 := s.cluster.AllocID() | ||
| peer3 := s.cluster.AllocID() | ||
| s.cluster.AddStore(store3, s.storeAddr(s.store1)) | ||
| s.cluster.AddPeer(s.region1, store3, peer3) | ||
| s.cluster.RemovePeer(s.region1, s.peer1) | ||
| s.cluster.ChangeLeader(s.region1, peer3) | ||
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| err = client.Put(testKey, testValue) | ||
| c.Assert(err, IsNil) | ||
| } |
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