package etcd import ( "bytes" "testing" "github.com/btcsuite/btcwallet/walletdb" "github.com/stretchr/testify/assert" ) func TestCopy(t *testing.T) { t.Parallel() f := NewEtcdTestFixture(t) defer f.Cleanup() db, err := newEtcdBackend(f.BackendConfig()) assert.NoError(t, err) err = db.Update(func(tx walletdb.ReadWriteTx) error { // "apple" apple, err := tx.CreateTopLevelBucket([]byte("apple")) assert.NoError(t, err) assert.NotNil(t, apple) assert.NoError(t, apple.Put([]byte("key"), []byte("val"))) return nil }) // Expect non-zero copy. var buf bytes.Buffer assert.NoError(t, db.Copy(&buf)) assert.Greater(t, buf.Len(), 0) assert.Nil(t, err) expected := map[string]string{ bkey("apple"): bval("apple"), vkey("key", "apple"): "val", } assert.Equal(t, expected, f.Dump()) }