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61 lines
1.6 KiB
61 lines
1.6 KiB
// 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 kv
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import (
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"bytes"
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"context"
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. "github.com/pingcap/check"
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"github.com/pingcap/parser/terror"
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)
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type testBufferStoreSuite struct{}
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var _ = Suite(testBufferStoreSuite{})
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func (s testBufferStoreSuite) TestGetSet(c *C) {
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bs := NewBufferStore(&mockSnapshot{NewMemDbBuffer()})
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key := Key("key")
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_, err := bs.Get(context.TODO(), key)
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c.Check(err, NotNil)
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err = bs.Set(key, []byte("value"))
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c.Check(err, IsNil)
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value, err := bs.Get(context.TODO(), key)
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c.Check(err, IsNil)
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c.Check(bytes.Compare(value, []byte("value")), Equals, 0)
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}
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func (s testBufferStoreSuite) TestBufferStore(c *C) {
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bs := NewBufferStore(&mockSnapshot{NewMemDbBuffer()})
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key := Key("key")
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err := bs.Set(key, []byte("value"))
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c.Check(err, IsNil)
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err = bs.Set(key, []byte(""))
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c.Check(terror.ErrorEqual(err, ErrCannotSetNilValue), IsTrue)
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err = bs.Delete(key)
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c.Check(err, IsNil)
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_, err = bs.Get(context.TODO(), key)
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c.Check(terror.ErrorEqual(err, ErrNotExist), IsTrue)
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bs.Discard()
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_, err = bs.Get(context.TODO(), key)
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c.Check(terror.ErrorEqual(err, ErrNotExist), IsTrue)
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}
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