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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.
45 lines
1.0 KiB
Go
45 lines
1.0 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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