380 lines
9.2 KiB
Go
380 lines
9.2 KiB
Go
// Copyright 2015 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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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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 structure_test
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import (
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"context"
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"testing"
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"github.com/pingcap/tidb/pkg/kv"
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"github.com/pingcap/tidb/pkg/parser/mysql"
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"github.com/pingcap/tidb/pkg/parser/terror"
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"github.com/pingcap/tidb/pkg/structure"
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"github.com/pingcap/tidb/pkg/testkit"
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"github.com/stretchr/testify/require"
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)
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func TestString(t *testing.T) {
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store := testkit.CreateMockStore(t)
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txn, err := store.Begin()
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require.NoError(t, err)
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tx := structure.NewStructure(txn, txn, []byte{0x00})
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key := []byte("a")
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value := []byte("1")
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err = tx.Set(key, value)
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require.NoError(t, err)
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tx.Iterate([]byte("a"), []byte("b"), func(k, v []byte) error {
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require.Equal(t, k, key)
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require.Equal(t, v, value)
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return nil
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})
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v, err := tx.Get(key)
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require.NoError(t, err)
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require.Equal(t, value, v)
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n, err := tx.Inc(key, 1)
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require.NoError(t, err)
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require.Equal(t, int64(2), n)
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v, err = tx.Get(key)
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require.NoError(t, err)
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require.Equal(t, []byte("2"), v)
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n, err = tx.GetInt64(key)
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require.NoError(t, err)
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require.Equal(t, int64(2), n)
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err = tx.Clear(key)
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require.NoError(t, err)
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v, err = tx.Get(key)
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require.NoError(t, err)
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require.Nil(t, v)
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tx1 := structure.NewStructure(txn, nil, []byte{0x01})
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err = tx1.Set(key, value)
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require.NotNil(t, err)
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_, err = tx1.Inc(key, 1)
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require.NotNil(t, err)
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err = tx1.Clear(key)
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require.NotNil(t, err)
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err = txn.Commit(context.Background())
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require.NoError(t, err)
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}
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func TestList(t *testing.T) {
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store := testkit.CreateMockStore(t)
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txn, err := store.Begin()
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require.NoError(t, err)
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tx := structure.NewStructure(txn, txn, []byte{0x00})
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key := []byte("a")
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err = tx.LPush(key, []byte("3"), []byte("2"), []byte("1"))
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require.NoError(t, err)
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// Test LGetAll.
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err = tx.LPush(key, []byte("11"))
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require.NoError(t, err)
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values, err := tx.LGetAll(key)
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require.NoError(t, err)
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require.Equal(t, [][]byte{[]byte("3"), []byte("2"), []byte("1"), []byte("11")}, values)
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value, err := tx.LPop(key)
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require.NoError(t, err)
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require.Equal(t, []byte("11"), value)
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l, err := tx.LLen(key)
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require.NoError(t, err)
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require.Equal(t, int64(3), l)
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value, err = tx.LIndex(key, 1)
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require.NoError(t, err)
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require.Equal(t, []byte("2"), value)
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err = tx.LSet(key, 1, []byte("4"))
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require.NoError(t, err)
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value, err = tx.LIndex(key, 1)
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require.NoError(t, err)
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require.Equal(t, []byte("4"), value)
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err = tx.LSet(key, 1, []byte("2"))
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require.NoError(t, err)
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err = tx.LSet(key, 100, []byte("2"))
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require.NotNil(t, err)
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value, err = tx.LIndex(key, -1)
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require.NoError(t, err)
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require.Equal(t, []byte("3"), value)
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value, err = tx.LPop(key)
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require.NoError(t, err)
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require.Equal(t, []byte("1"), value)
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l, err = tx.LLen(key)
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require.NoError(t, err)
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require.Equal(t, int64(2), l)
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err = tx.RPush(key, []byte("4"))
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require.NoError(t, err)
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l, err = tx.LLen(key)
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require.NoError(t, err)
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require.Equal(t, int64(3), l)
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value, err = tx.LIndex(key, -1)
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require.NoError(t, err)
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require.Equal(t, []byte("4"), value)
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value, err = tx.RPop(key)
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require.NoError(t, err)
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require.Equal(t, []byte("4"), value)
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value, err = tx.RPop(key)
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require.NoError(t, err)
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require.Equal(t, []byte("3"), value)
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value, err = tx.RPop(key)
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require.NoError(t, err)
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require.Equal(t, []byte("2"), value)
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l, err = tx.LLen(key)
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require.NoError(t, err)
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require.Equal(t, int64(0), l)
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err = tx.LPush(key, []byte("1"))
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require.NoError(t, err)
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err = tx.LClear(key)
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require.NoError(t, err)
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l, err = tx.LLen(key)
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require.NoError(t, err)
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require.Equal(t, int64(0), l)
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tx1 := structure.NewStructure(txn, nil, []byte{0x01})
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err = tx1.LPush(key, []byte("1"))
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require.NotNil(t, err)
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require.NotNil(t, err)
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_, err = tx1.RPop(key)
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require.NotNil(t, err)
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err = tx1.LSet(key, 1, []byte("2"))
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require.NotNil(t, err)
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err = tx1.LClear(key)
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require.NotNil(t, err)
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err = txn.Commit(context.Background())
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require.NoError(t, err)
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}
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func TestHash(t *testing.T) {
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store := testkit.CreateMockStore(t)
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txn, err := store.Begin()
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require.NoError(t, err)
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tx := structure.NewStructure(txn, txn, []byte{0x00})
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key := []byte("a")
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tx.EncodeHashAutoIDKeyValue(key, key, 5)
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err = tx.HSet(key, []byte("1"), []byte("1"))
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require.NoError(t, err)
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err = tx.HSet(key, []byte("2"), []byte("2"))
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require.NoError(t, err)
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value, err := tx.HGet(key, []byte("1"))
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require.NoError(t, err)
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require.Equal(t, []byte("1"), value)
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value, err = tx.HGet(key, []byte("fake"))
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require.NoError(t, err)
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require.Nil(t, value)
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keys, err := tx.HKeys(key)
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require.NoError(t, err)
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require.Equal(t, [][]byte{[]byte("1"), []byte("2")}, keys)
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res, err := tx.HGetAll(key)
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require.NoError(t, err)
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require.Equal(t, []structure.HashPair{
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{Field: []byte("1"), Value: []byte("1")},
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{Field: []byte("2"), Value: []byte("2")}}, res)
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idx := 0
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err = tx.HGetIter(key, func(pair structure.HashPair) error {
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require.Less(t, idx, 2)
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require.Equal(t, res[idx], pair)
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idx += 1
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return nil
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})
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require.NoError(t, err)
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res, err = tx.HGetLastN(key, 1)
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require.NoError(t, err)
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require.Equal(t, []structure.HashPair{
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{Field: []byte("2"), Value: []byte("2")}}, res)
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res, err = tx.HGetLastN(key, 2)
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require.NoError(t, err)
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require.Equal(t, []structure.HashPair{
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{Field: []byte("2"), Value: []byte("2")},
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{Field: []byte("1"), Value: []byte("1")}}, res)
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err = tx.HDel(key, []byte("1"))
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require.NoError(t, err)
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value, err = tx.HGet(key, []byte("1"))
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require.NoError(t, err)
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require.Nil(t, value)
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n, err := tx.HInc(key, []byte("1"), 1)
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require.NoError(t, err)
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require.Equal(t, int64(1), n)
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// Test set new value which equals to old value.
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value, err = tx.HGet(key, []byte("1"))
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require.NoError(t, err)
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require.Equal(t, []byte("1"), value)
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err = tx.HSet(key, []byte("1"), []byte("1"))
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require.NoError(t, err)
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value, err = tx.HGet(key, []byte("1"))
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require.NoError(t, err)
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require.Equal(t, []byte("1"), value)
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n, err = tx.HInc(key, []byte("1"), 1)
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require.NoError(t, err)
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require.Equal(t, int64(2), n)
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n, err = tx.HInc(key, []byte("1"), 1)
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require.NoError(t, err)
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require.Equal(t, int64(3), n)
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n, err = tx.HGetInt64(key, []byte("1"))
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require.NoError(t, err)
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require.Equal(t, int64(3), n)
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err = tx.HClear(key)
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require.NoError(t, err)
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err = tx.HDel(key, []byte("fake_key"))
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require.NoError(t, err)
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// Test set nil value.
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value, err = tx.HGet(key, []byte("nil_key"))
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require.NoError(t, err)
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require.Nil(t, value)
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err = tx.HSet(key, []byte("nil_key"), nil)
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require.NoError(t, err)
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err = tx.HSet(key, []byte("nil_key"), []byte("1"))
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require.NoError(t, err)
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value, err = tx.HGet(key, []byte("nil_key"))
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require.NoError(t, err)
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require.Equal(t, []byte("1"), value)
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err = tx.HSet(key, []byte("nil_key"), nil)
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require.NotNil(t, err)
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value, err = tx.HGet(key, []byte("nil_key"))
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require.NoError(t, err)
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require.Equal(t, []byte("1"), value)
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err = tx.HSet(key, []byte("nil_key"), []byte("2"))
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require.NoError(t, err)
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value, err = tx.HGet(key, []byte("nil_key"))
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require.NoError(t, err)
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require.Equal(t, []byte("2"), value)
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tx1 := structure.NewStructure(txn, nil, []byte{0x01})
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_, err = tx1.HInc(key, []byte("1"), 1)
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require.NotNil(t, err)
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err = tx1.HDel(key, []byte("1"))
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require.NotNil(t, err)
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err = txn.Commit(context.Background())
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require.NoError(t, err)
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ctx := kv.WithInternalSourceType(context.Background(), kv.InternalTxnMeta)
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err = kv.RunInNewTxn(ctx, store, false, func(ctx context.Context, txn kv.Transaction) error {
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newTxn := structure.NewStructure(txn, txn, []byte{0x00})
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err = newTxn.Set(key, []byte("abc"))
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require.NoError(t, err)
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value, err = newTxn.Get(key)
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require.NoError(t, err)
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require.Equal(t, []byte("abc"), value)
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return nil
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})
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require.NoError(t, err)
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}
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func TestError(t *testing.T) {
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kvErrs := []*terror.Error{
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structure.ErrInvalidHashKeyFlag,
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structure.ErrInvalidListIndex,
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structure.ErrInvalidListMetaData,
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structure.ErrWriteOnSnapshot,
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}
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for _, err := range kvErrs {
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code := terror.ToSQLError(err).Code
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require.NotEqual(t, mysql.ErrUnknown, code)
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require.Equal(t, uint16(err.Code()), code, "err: %v", err)
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}
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}
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func TestIterateHashWithBoundedKey(t *testing.T) {
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store := testkit.CreateMockStore(t)
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txn, err := store.Begin()
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require.NoError(t, err)
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tx := structure.NewStructure(txn, txn, nil)
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require.NoError(t, tx.Set(tx.EncodeHashMetaKey([]byte("aa")), []byte("meta")))
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require.NoError(t, tx.HSet([]byte("b"), []byte(""), []byte("value1")))
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require.NoError(t, tx.Set(tx.EncodeHashMetaKey([]byte("c")), []byte("meta")))
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require.NoError(t, tx.HSet([]byte("d"), []byte(""), []byte("value2")))
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require.NoError(t, tx.Set(tx.EncodeHashMetaKey([]byte("dd")), []byte("meta")))
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cnt := 0
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require.NoError(t, tx.IterateHashWithBoundedKey([]byte("a"), []byte("e"), func(key, field, value []byte) error {
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cnt++
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return nil
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}))
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require.Equal(t, 2, cnt)
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}
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