91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
package badgerbs
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import (
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"io/ioutil"
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"os"
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"testing"
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blocks "github.com/ipfs/go-block-format"
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blockstore "github.com/ipfs/go-ipfs-blockstore"
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"github.com/stretchr/testify/require"
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)
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func TestBadgerBlockstore(t *testing.T) {
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(&Suite{
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NewBlockstore: newBlockstore(DefaultOptions),
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OpenBlockstore: openBlockstore(DefaultOptions),
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}).RunTests(t, "non_prefixed")
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prefixed := func(path string) Options {
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opts := DefaultOptions(path)
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opts.Prefix = "/prefixed/"
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return opts
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}
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(&Suite{
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NewBlockstore: newBlockstore(prefixed),
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OpenBlockstore: openBlockstore(prefixed),
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}).RunTests(t, "prefixed")
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}
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func TestStorageKey(t *testing.T) {
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bs, _ := newBlockstore(DefaultOptions)(t)
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bbs := bs.(*Blockstore)
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defer bbs.Close() //nolint:errcheck
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cid1 := blocks.NewBlock([]byte("some data")).Cid()
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cid2 := blocks.NewBlock([]byte("more data")).Cid()
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cid3 := blocks.NewBlock([]byte("a little more data")).Cid()
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require.NotEqual(t, cid1, cid2) // sanity check
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require.NotEqual(t, cid2, cid3) // sanity check
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// nil slice; let StorageKey allocate for us.
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k1 := bbs.StorageKey(nil, cid1)
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require.Len(t, k1, 55)
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require.True(t, cap(k1) == len(k1))
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// k1's backing array is reused.
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k2 := bbs.StorageKey(k1, cid2)
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require.Len(t, k2, 55)
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require.True(t, cap(k2) == len(k1))
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// bring k2 to len=0, and verify that its backing array gets reused
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// (i.e. k1 and k2 are overwritten)
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k3 := bbs.StorageKey(k2[:0], cid3)
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require.Len(t, k3, 55)
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require.True(t, cap(k3) == len(k3))
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// backing array of k1 and k2 has been modified, i.e. memory is shared.
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require.Equal(t, k3, k1)
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require.Equal(t, k3, k2)
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}
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func newBlockstore(optsSupplier func(path string) Options) func(tb testing.TB) (bs blockstore.Blockstore, path string) {
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return func(tb testing.TB) (bs blockstore.Blockstore, path string) {
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tb.Helper()
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path, err := ioutil.TempDir("", "")
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if err != nil {
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tb.Fatal(err)
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}
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db, err := Open(optsSupplier(path))
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if err != nil {
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tb.Fatal(err)
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}
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tb.Cleanup(func() {
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_ = os.RemoveAll(path)
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})
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return db, path
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}
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}
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func openBlockstore(optsSupplier func(path string) Options) func(tb testing.TB, path string) (bs blockstore.Blockstore, err error) {
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return func(tb testing.TB, path string) (bs blockstore.Blockstore, err error) {
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tb.Helper()
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return Open(optsSupplier(path))
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}
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}
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