mirror of
https://github.com/talent-plan/tinykv.git
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5e089a2cd1
Signed-off-by: Connor <zbk602423539@gmail.com> Co-authored-by: Nick Cameron <nrc@ncameron.org> Co-authored-by: linning <linningde25@gmail.com> Co-authored-by: YangKeao <keao.yang@yahoo.com> Co-authored-by: andylokandy <andylokandy@hotmail.com> Co-authored-by: Iosmanthus Teng <myosmanthustree@gmail.com>
118 lines
3.3 KiB
Go
118 lines
3.3 KiB
Go
// Copyright 2016 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package core
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import (
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"math"
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"github.com/pingcap-incubator/tinykv/proto/pkg/metapb"
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"github.com/pingcap-incubator/tinykv/scheduler/server/kv"
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. "github.com/pingcap/check"
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)
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var _ = Suite(&testKVSuite{})
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type testKVSuite struct {
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}
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func (s *testKVSuite) TestBasic(c *C) {
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storage := NewStorage(kv.NewMemoryKV())
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c.Assert(storage.storePath(123), Equals, "raft/s/00000000000000000123")
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c.Assert(regionPath(123), Equals, "raft/r/00000000000000000123")
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meta := &metapb.Cluster{Id: 123}
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ok, err := storage.LoadMeta(meta)
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c.Assert(ok, IsFalse)
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c.Assert(err, IsNil)
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c.Assert(storage.SaveMeta(meta), IsNil)
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newMeta := &metapb.Cluster{}
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ok, err = storage.LoadMeta(newMeta)
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c.Assert(ok, IsTrue)
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c.Assert(err, IsNil)
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c.Assert(newMeta, DeepEquals, meta)
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store := &metapb.Store{Id: 123}
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ok, err = storage.LoadStore(123, store)
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c.Assert(ok, IsFalse)
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c.Assert(err, IsNil)
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c.Assert(storage.SaveStore(store), IsNil)
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newStore := &metapb.Store{}
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ok, err = storage.LoadStore(123, newStore)
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c.Assert(ok, IsTrue)
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c.Assert(err, IsNil)
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c.Assert(newStore, DeepEquals, store)
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}
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func mustSaveStores(c *C, s *Storage, n int) []*metapb.Store {
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stores := make([]*metapb.Store, 0, n)
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for i := 0; i < n; i++ {
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store := &metapb.Store{Id: uint64(i)}
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stores = append(stores, store)
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}
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for _, store := range stores {
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c.Assert(s.SaveStore(store), IsNil)
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}
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return stores
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}
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func (s *testKVSuite) TestLoadStores(c *C) {
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storage := NewStorage(kv.NewMemoryKV())
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cache := NewStoresInfo()
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n := 10
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stores := mustSaveStores(c, storage, n)
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c.Assert(storage.LoadStores(cache.SetStore), IsNil)
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c.Assert(cache.GetStoreCount(), Equals, n)
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for _, store := range cache.GetMetaStores() {
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c.Assert(store, DeepEquals, stores[store.GetId()])
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}
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}
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func (s *testKVSuite) TestStoreWeight(c *C) {
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storage := NewStorage(kv.NewMemoryKV())
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cache := NewStoresInfo()
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const n = 3
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mustSaveStores(c, storage, n)
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c.Assert(storage.SaveStoreWeight(1, 2.0, 3.0), IsNil)
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c.Assert(storage.SaveStoreWeight(2, 0.2, 0.3), IsNil)
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c.Assert(storage.LoadStores(cache.SetStore), IsNil)
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leaderWeights := []float64{1.0, 2.0, 0.2}
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regionWeights := []float64{1.0, 3.0, 0.3}
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for i := 0; i < n; i++ {
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c.Assert(cache.GetStore(uint64(i)).GetLeaderWeight(), Equals, leaderWeights[i])
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c.Assert(cache.GetStore(uint64(i)).GetRegionWeight(), Equals, regionWeights[i])
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}
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}
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func (s *testKVSuite) TestLoadGCSafePoint(c *C) {
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storage := NewStorage(kv.NewMemoryKV())
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testData := []uint64{0, 1, 2, 233, 2333, 23333333333, math.MaxUint64}
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r, e := storage.LoadGCSafePoint()
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c.Assert(r, Equals, uint64(0))
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c.Assert(e, IsNil)
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for _, safePoint := range testData {
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err := storage.SaveGCSafePoint(safePoint)
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c.Assert(err, IsNil)
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safePoint1, err := storage.LoadGCSafePoint()
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c.Assert(err, IsNil)
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c.Assert(safePoint, Equals, safePoint1)
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}
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}
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