156 lines
4.1 KiB
Go
156 lines
4.1 KiB
Go
package state
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import (
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"bytes"
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"context"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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ds "github.com/ipfs/go-datastore"
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ds_sync "github.com/ipfs/go-datastore/sync"
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bstore "github.com/ipfs/go-ipfs-blockstore"
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cbornode "github.com/ipfs/go-ipld-cbor"
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typegen "github.com/whyrusleeping/cbor-gen"
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"github.com/filecoin-project/specs-actors/actors/runtime"
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"github.com/filecoin-project/specs-actors/actors/util/adt"
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)
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func TestDiffAdtArray(t *testing.T) {
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ctxstoreA := newContextStore()
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ctxstoreB := newContextStore()
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arrA := adt.MakeEmptyArray(ctxstoreA)
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arrB := adt.MakeEmptyArray(ctxstoreB)
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require.NoError(t, arrA.Set(0, runtime.CBORBytes([]byte{0}))) // delete
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require.NoError(t, arrA.Set(1, runtime.CBORBytes([]byte{0}))) // modify
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require.NoError(t, arrB.Set(1, runtime.CBORBytes([]byte{1})))
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require.NoError(t, arrA.Set(2, runtime.CBORBytes([]byte{1}))) // delete
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require.NoError(t, arrA.Set(3, runtime.CBORBytes([]byte{0}))) // noop
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require.NoError(t, arrB.Set(3, runtime.CBORBytes([]byte{0})))
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require.NoError(t, arrA.Set(4, runtime.CBORBytes([]byte{0}))) // modify
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require.NoError(t, arrB.Set(4, runtime.CBORBytes([]byte{6})))
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require.NoError(t, arrB.Set(5, runtime.CBORBytes{8})) // add
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require.NoError(t, arrB.Set(6, runtime.CBORBytes{9})) // add
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changes := new(TestAdtDiff)
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assert.NoError(t, DiffAdtArray(arrA, arrB, changes))
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assert.NotNil(t, changes)
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assert.Equal(t, 2, len(changes.Added))
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// keys 5 and 6 were added
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assert.EqualValues(t, uint64(5), changes.Added[0].key)
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assert.EqualValues(t, []byte{8}, changes.Added[0].val)
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assert.EqualValues(t, uint64(6), changes.Added[1].key)
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assert.EqualValues(t, []byte{9}, changes.Added[1].val)
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assert.Equal(t, 2, len(changes.Modified))
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// keys 1 and 4 were modified
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assert.EqualValues(t, uint64(1), changes.Modified[0].From.key)
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assert.EqualValues(t, []byte{0}, changes.Modified[0].From.val)
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assert.EqualValues(t, uint64(1), changes.Modified[0].To.key)
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assert.EqualValues(t, []byte{1}, changes.Modified[0].To.val)
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assert.EqualValues(t, uint64(4), changes.Modified[1].From.key)
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assert.EqualValues(t, []byte{0}, changes.Modified[1].From.val)
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assert.EqualValues(t, uint64(4), changes.Modified[1].To.key)
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assert.EqualValues(t, []byte{6}, changes.Modified[1].To.val)
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assert.Equal(t, 2, len(changes.Removed))
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// keys 0 and 2 were deleted
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assert.EqualValues(t, uint64(0), changes.Removed[0].key)
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assert.EqualValues(t, []byte{0}, changes.Removed[0].val)
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assert.EqualValues(t, uint64(2), changes.Removed[1].key)
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assert.EqualValues(t, []byte{1}, changes.Removed[1].val)
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}
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type adtDiffResult struct {
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key uint64
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val runtime.CBORBytes
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}
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type TestAdtDiff struct {
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Added []adtDiffResult
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Modified []TestAdtDiffModified
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Removed []adtDiffResult
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}
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var _ AdtArrayDiff = &TestAdtDiff{}
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type TestAdtDiffModified struct {
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From adtDiffResult
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To adtDiffResult
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}
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func (t *TestAdtDiff) Add(key uint64, val *typegen.Deferred) error {
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v := new(runtime.CBORBytes)
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err := v.UnmarshalCBOR(bytes.NewReader(val.Raw))
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if err != nil {
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return err
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}
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t.Added = append(t.Added, adtDiffResult{
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key: key,
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val: *v,
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})
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return nil
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}
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func (t *TestAdtDiff) Modify(key uint64, from, to *typegen.Deferred) error {
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vFrom := new(runtime.CBORBytes)
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err := vFrom.UnmarshalCBOR(bytes.NewReader(from.Raw))
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if err != nil {
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return err
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}
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vTo := new(runtime.CBORBytes)
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err = vTo.UnmarshalCBOR(bytes.NewReader(to.Raw))
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if err != nil {
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return err
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}
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if !bytes.Equal(*vFrom, *vTo) {
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t.Modified = append(t.Modified, TestAdtDiffModified{
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From: adtDiffResult{
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key: key,
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val: *vFrom,
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},
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To: adtDiffResult{
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key: key,
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val: *vTo,
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},
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})
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}
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return nil
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}
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func (t *TestAdtDiff) Remove(key uint64, val *typegen.Deferred) error {
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v := new(runtime.CBORBytes)
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err := v.UnmarshalCBOR(bytes.NewReader(val.Raw))
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if err != nil {
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return err
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}
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t.Removed = append(t.Removed, adtDiffResult{
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key: key,
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val: *v,
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})
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return nil
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}
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func newContextStore() *contextStore {
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ctx := context.Background()
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bs := bstore.NewBlockstore(ds_sync.MutexWrap(ds.NewMapDatastore()))
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store := cbornode.NewCborStore(bs)
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return &contextStore{
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ctx: ctx,
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cst: store,
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}
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}
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