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68 lines
1.8 KiB
68 lines
1.8 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 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/pingcap/tidb/store/tikv/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())
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if err != nil {
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t.Error(err)
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}
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m[ts] = struct{}{}
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}
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if len(m) != 100000 {
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t.Error("generated same ts")
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}
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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())
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oracles.SetOracleHookCurrentTime(o, start.Add(10*time.Millisecond))
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expire := o.IsExpired(uint64(ts), 5)
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if !expire {
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t.Error("should expired")
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}
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expire = o.IsExpired(uint64(ts), 200)
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if expire {
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t.Error("should not expired")
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}
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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())
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oracles.SetOracleHookCurrentTime(o, start.Add(10*time.Millisecond))
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if o.UntilExpired(uint64(ts), 5) != -5 || o.UntilExpired(uint64(ts), 15) != 5 {
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t.Error("until expired should be +-5")
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}
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}
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