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scan_mock_test.go
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scan_mock_test.go
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// Copyright 2016 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.
package tikv
import (
. "github.com/pingcap/check"
"github.com/pingcap/tidb/kv"
"golang.org/x/net/context"
)
type testScanMockSuite struct {
OneByOneSuite
}
var _ = Suite(&testScanMockSuite{})
func (s *testScanMockSuite) TestScanMultipleRegions(c *C) {
store := NewTestStore(c).(*tikvStore)
defer store.Close()
txn, err := store.Begin()
c.Assert(err, IsNil)
for ch := byte('a'); ch <= byte('z'); ch++ {
err = txn.Set([]byte{ch}, []byte{ch})
c.Assert(err, IsNil)
}
err = txn.Commit(context.Background())
c.Assert(err, IsNil)
txn, err = store.Begin()
c.Assert(err, IsNil)
snapshot := newTiKVSnapshot(store, kv.Version{Ver: txn.StartTS()})
scanner, err := newScanner(snapshot, []byte("a"), 10)
c.Assert(err, IsNil)
for ch := byte('a'); ch <= byte('z'); ch++ {
c.Assert([]byte{ch}, BytesEquals, []byte(scanner.Key()))
c.Assert(scanner.Next(), IsNil)
}
c.Assert(scanner.Valid(), IsFalse)
}