mirror of https://github.com/tikv/client-go.git
88 lines
2.8 KiB
Go
88 lines
2.8 KiB
Go
// Copyright 2021 TiKV Authors
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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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// NOTE: The code in this file is based on code from the
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// TiDB project, licensed under the Apache License v 2.0
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//
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// https://github.com/pingcap/tidb/tree/cc5e161ac06827589c4966674597c137cc9e809c/store/tikv/oracle/oracles/local_test.go
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//
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// 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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// 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 oracles_test
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/tikv/client-go/v2/oracle"
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"github.com/tikv/client-go/v2/oracle/oracles"
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)
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func TestLocalOracle(t *testing.T) {
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l := oracles.NewLocalOracle()
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defer l.Close()
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m := map[uint64]struct{}{}
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for i := 0; i < 100000; i++ {
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ts, err := l.GetTimestamp(context.Background(), &oracle.Option{})
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require.Nil(t, err)
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m[ts] = struct{}{}
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}
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assert.Len(t, m, 100000, "should generate same ts")
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}
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func TestIsExpired(t *testing.T) {
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o := oracles.NewLocalOracle()
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defer o.Close()
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start := time.Now()
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oracles.SetOracleHookCurrentTime(o, start)
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ts, _ := o.GetTimestamp(context.Background(), &oracle.Option{})
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oracles.SetOracleHookCurrentTime(o, start.Add(10*time.Millisecond))
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expire := o.IsExpired(ts, 5, &oracle.Option{})
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assert.True(t, expire)
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expire = o.IsExpired(ts, 200, &oracle.Option{})
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assert.False(t, expire)
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}
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func TestLocalOracle_UntilExpired(t *testing.T) {
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o := oracles.NewLocalOracle()
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defer o.Close()
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start := time.Now()
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oracles.SetOracleHookCurrentTime(o, start)
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ts, _ := o.GetTimestamp(context.Background(), &oracle.Option{})
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oracles.SetOracleHookCurrentTime(o, start.Add(10*time.Millisecond))
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assert.Equal(t, int64(-4), o.UntilExpired(ts, 6, &oracle.Option{}))
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assert.Equal(t, int64(4), o.UntilExpired(ts, 14, &oracle.Option{}))
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}
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