48b0a65fbd
sync2.ReadCache implements preemptive refreshing preventing stalling while it's being updated. Change-Id: Iee9ef36049b986f0e426c14a139b2bc9ac17fb53
64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package checker
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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/require"
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"go.uber.org/zap"
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"golang.org/x/sync/errgroup"
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"storj.io/common/storj"
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"storj.io/common/testcontext"
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"storj.io/common/testrand"
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"storj.io/storj/satellite/metabase"
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"storj.io/storj/satellite/overlay"
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)
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func TestReliabilityCache_Concurrent(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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overlayCache, err := overlay.NewService(zap.NewNop(), fakeOverlayDB{}, overlay.Config{
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NodeSelectionCache: overlay.UploadSelectionCacheConfig{
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Staleness: 2 * time.Nanosecond,
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},
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})
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require.NoError(t, err)
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cacheCtx, cacheCancel := context.WithCancel(ctx)
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defer cacheCancel()
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ctx.Go(func() error { return overlayCache.Run(cacheCtx) })
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defer ctx.Check(overlayCache.Close)
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cache := NewReliabilityCache(overlayCache, time.Millisecond)
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var group errgroup.Group
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for i := 0; i < 10; i++ {
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group.Go(func() error {
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for i := 0; i < 10000; i++ {
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pieces := []metabase.Piece{{StorageNode: testrand.NodeID()}}
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_, err := cache.MissingPieces(ctx, time.Now(), pieces)
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if err != nil {
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return err
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}
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}
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return nil
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})
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}
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require.NoError(t, group.Wait())
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}
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type fakeOverlayDB struct{ overlay.DB }
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func (fakeOverlayDB) Reliable(context.Context, *overlay.NodeCriteria) (storj.NodeIDList, error) {
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return storj.NodeIDList{
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testrand.NodeID(),
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testrand.NodeID(),
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testrand.NodeID(),
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testrand.NodeID(),
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}, nil
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}
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