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Test if datastore is checked upon cache miss on adding providers

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License: MIT
Signed-off-by: Vasily Kolobkov <polezaivsani@openmailbox.org>
This commit is contained in:
Vasily Kolobkov 2016-11-16 15:47:40 +02:00
parent f3ebd68803
commit c12d86580b
1 changed files with 23 additions and 0 deletions
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23
providers/providers_test.go
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@ -206,3 +206,26 @@ func TestLargeProvidersSet(t *testing.T) {
}
//*/
func TestUponCacheMissProvidersAreReadFromDatastore(t *testing.T) {
old := lruCacheSize
lruCacheSize = 1
defer func() { lruCacheSize = old }()
ctx := context.Background()
p1, p2 := peer.ID("a"), peer.ID("b")
c1 := cid.NewCidV1(cid.CBOR, u.Hash([]byte("1")))
c2 := cid.NewCidV1(cid.CBOR, u.Hash([]byte("2")))
pm := NewProviderManager(ctx, p1, ds.NewMapDatastore())
pm.AddProvider(ctx, c1, p1)
// make the cached provider for c1 go to datastore
pm.AddProvider(ctx, c2, p1)
// now just offloaded record should be brought back and joined with p2
pm.AddProvider(ctx, c1, p2)
c1Provs := pm.GetProviders(ctx, c1)
if len(c1Provs) != 2 {
t.Fatalf("expected c1 to be provided by 2 peers, is by %d", len(c1Provs))
}
}