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c0b5ec55ab
TestRepository and its variants always returned no-op cleanup functions. If they ever do need to do cleanup, using testing.T.Cleanup is easier than passing these functions around.
44 lines
1 KiB
Go
44 lines
1 KiB
Go
package repository
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import (
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"context"
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"testing"
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"github.com/restic/restic/internal/backend/mem"
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"github.com/restic/restic/internal/restic"
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"golang.org/x/sync/errgroup"
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)
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// Test saving a blob and loading it again, with varying buffer sizes.
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// Also a regression test for #3783.
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func FuzzSaveLoadBlob(f *testing.F) {
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f.Fuzz(func(t *testing.T, blob []byte, buflen uint) {
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if buflen > 64<<20 {
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// Don't allocate enormous buffers. We're not testing the allocator.
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t.Skip()
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}
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id := restic.Hash(blob)
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repo := TestRepositoryWithBackend(t, mem.New(), 2)
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var wg errgroup.Group
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repo.StartPackUploader(context.TODO(), &wg)
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_, _, _, err := repo.SaveBlob(context.TODO(), restic.DataBlob, blob, id, false)
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if err != nil {
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t.Fatal(err)
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}
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err = repo.Flush(context.TODO())
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if err != nil {
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t.Fatal(err)
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}
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buf, err := repo.LoadBlob(context.TODO(), restic.DataBlob, id, make([]byte, buflen))
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if err != nil {
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t.Fatal(err)
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}
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if restic.Hash(buf) != id {
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t.Fatal("mismatch")
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}
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})
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}
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