123 lines
2.5 KiB
Go
123 lines
2.5 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 kv
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import (
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"context"
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"strconv"
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"testing"
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. "github.com/pingcap/check"
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)
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func TestT(t *testing.T) {
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CustomVerboseFlag = true
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TestingT(t)
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}
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var _ = Suite(testUtilsSuite{})
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type testUtilsSuite struct {
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}
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type mockMap struct {
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index []Key
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value [][]byte
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}
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func newMockMap() *mockMap {
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return &mockMap{
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index: make([]Key, 0),
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value: make([][]byte, 0),
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}
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}
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func (s *mockMap) Iter(k Key, upperBound Key) (Iterator, error) {
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return nil, nil
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}
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func (s *mockMap) IterReverse(k Key) (Iterator, error) {
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return nil, nil
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}
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func (s *mockMap) Get(ctx context.Context, k Key) ([]byte, error) {
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for i, key := range s.index {
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if key.Cmp(k) == 0 {
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return s.value[i], nil
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}
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}
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return nil, ErrNotExist
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}
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func (s *mockMap) Set(k Key, v []byte) error {
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for i, key := range s.index {
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if key.Cmp(k) == 0 {
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s.value[i] = v
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return nil
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}
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}
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s.index = append(s.index, k)
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s.value = append(s.value, v)
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return nil
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}
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func (s *mockMap) Delete(k Key) error {
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for i, key := range s.index {
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if key.Cmp(k) == 0 {
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s.index = append(s.index[:i], s.index[i+1:]...)
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s.value = append(s.value[:i], s.value[i+1:]...)
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return nil
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}
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}
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return nil
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}
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func (s testUtilsSuite) TestIncInt64(c *C) {
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mb := newMockMap()
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key := Key("key")
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v, err := IncInt64(mb, key, 1)
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c.Check(err, IsNil)
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c.Check(v, Equals, int64(1))
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v, err = IncInt64(mb, key, 10)
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c.Check(err, IsNil)
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c.Check(v, Equals, int64(11))
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err = mb.Set(key, []byte("not int"))
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c.Check(err, IsNil)
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_, err = IncInt64(mb, key, 1)
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c.Check(err, NotNil)
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// test int overflow
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maxUint32 := int64(^uint32(0))
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err = mb.Set(key, []byte(strconv.FormatInt(maxUint32, 10)))
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c.Check(err, IsNil)
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v, err = IncInt64(mb, key, 1)
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c.Check(err, IsNil)
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c.Check(v, Equals, maxUint32+1)
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}
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func (s testUtilsSuite) TestGetInt64(c *C) {
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mb := newMockMap()
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key := Key("key")
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v, err := GetInt64(context.TODO(), mb, key)
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c.Check(v, Equals, int64(0))
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c.Check(err, IsNil)
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_, err = IncInt64(mb, key, 15)
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c.Check(err, IsNil)
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v, err = GetInt64(context.TODO(), mb, key)
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c.Check(v, Equals, int64(15))
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c.Check(err, IsNil)
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}
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