56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
// Copyright 2021 PingCAP, Inc. Licensed under Apache-2.0.
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package export
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import (
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"math"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestGetParameters(t *testing.T) {
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conf := defaultConfigForTest(t)
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d := &Dumper{conf: conf, speedRecorder: NewSpeedRecorder()}
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d.metrics = newMetrics(conf.PromFactory, nil)
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mid := d.GetStatus()
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require.EqualValues(t, float64(0), mid.CompletedTables)
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require.EqualValues(t, float64(0), mid.FinishedBytes)
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require.EqualValues(t, float64(0), mid.FinishedRows)
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require.EqualValues(t, float64(0), mid.EstimateTotalRows)
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AddCounter(d.metrics.finishedTablesCounter, 10)
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AddGauge(d.metrics.finishedSizeGauge, 20)
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AddGauge(d.metrics.finishedRowsGauge, 30)
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AddCounter(d.metrics.estimateTotalRowsCounter, 40)
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mid = d.GetStatus()
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require.EqualValues(t, float64(10), mid.CompletedTables)
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require.EqualValues(t, float64(20), mid.FinishedBytes)
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require.EqualValues(t, float64(30), mid.FinishedRows)
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require.EqualValues(t, float64(40), mid.EstimateTotalRows)
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}
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func TestSpeedRecorder(t *testing.T) {
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testCases := []struct {
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spentTime int64
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finished float64
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expected float64
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}{
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{spentTime: 1, finished: 100, expected: 100},
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{spentTime: 2, finished: 200, expected: 50},
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// already finished, will return last speed
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{spentTime: 3, finished: 200, expected: 50},
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}
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speedRecorder := NewSpeedRecorder()
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for _, tc := range testCases {
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time.Sleep(time.Duration(tc.spentTime) * time.Second)
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recentSpeed := speedRecorder.GetSpeed(tc.finished)
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if math.Abs(tc.expected-recentSpeed)/tc.expected > 0.1 {
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require.FailNow(t, "speed is unexpected", "expected: %5.2f, recent: %5.2f", tc.expected, recentSpeed)
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}
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}
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}
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