package ns import ( "errors" "fmt" "math/big" "math/rand" "strings" "testing" "github.com/nspcc-dev/neo-go/pkg/neorpc/result" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/vm/stackitem" "github.com/nspcc-dev/neo-go/pkg/vm/vmstate" "github.com/nspcc-dev/neofs-sdk-go/container" cidtest "github.com/nspcc-dev/neofs-sdk-go/container/id/test" "github.com/stretchr/testify/require" ) // testNeoClient represents test Neo client which checks invocation arguments // and returns predefined result. type testNeoClient struct { t *testing.T expectedContract util.Uint160 res result.Invoke err error } func (x *testNeoClient) Call(contract util.Uint160, operation string, params ...interface{}) (*result.Invoke, error) { var domain string require.Equal(x.t, x.expectedContract, contract) require.Equal(x.t, "resolve", operation) require.Len(x.t, params, 2) require.NotPanics(x.t, func() { domain = params[0].(string) }) require.NotPanics(x.t, func() { _ = params[1].(int64) }) require.True(x.t, strings.HasSuffix(domain, ".container")) require.NotEmpty(x.t, strings.TrimSuffix(domain, ".container")) return &x.res, x.err } // implements test stackitem.Item which is obviously incorrect: // it returns itself on Convert(stackitem.ArrayT), but returns integer from Value. type brokenArrayStackItem struct { stackitem.Item } func (x brokenArrayStackItem) Value() interface{} { return 1 } func (x brokenArrayStackItem) Convert(t stackitem.Type) (stackitem.Item, error) { if t != stackitem.ArrayT { panic(fmt.Sprintf("unexpected stack item type %s", t)) } return x, nil } func TestNNS_ResolveContainerDomain(t *testing.T) { var testContainerDomain container.Domain testContainerDomain.SetName("some_container") var nnsContract util.Uint160 rand.Read(nnsContract[:]) testC := &testNeoClient{ t: t, expectedContract: nnsContract, } n := NNS{ nnsContract: nnsContract, invoker: testC, } t.Run("invocation failure", func(t *testing.T) { err1 := errors.New("invoke err") testC.err = err1 _, err2 := n.ResolveContainerDomain(testContainerDomain) require.ErrorIs(t, err2, err1) }) testC.err = nil t.Run("fault exception", func(t *testing.T) { _, err := n.ResolveContainerDomain(testContainerDomain) require.Error(t, err) }) testC.res.State = vmstate.Halt.String() t.Run("empty stack", func(t *testing.T) { _, err := n.ResolveContainerDomain(testContainerDomain) require.Error(t, err) }) testC.res.Stack = make([]stackitem.Item, 1) t.Run("non-array last stack item", func(t *testing.T) { testC.res.Stack[0] = stackitem.NewBigInteger(big.NewInt(11)) _, err := n.ResolveContainerDomain(testContainerDomain) require.Error(t, err) }) t.Run("null array", func(t *testing.T) { testC.res.Stack[0] = stackitem.Null{} _, err := n.ResolveContainerDomain(testContainerDomain) require.ErrorIs(t, err, errNotFound) }) t.Run("array stack item with non-slice value", func(t *testing.T) { testC.res.Stack[0] = brokenArrayStackItem{} _, err := n.ResolveContainerDomain(testContainerDomain) require.Error(t, err) }) arr := make([]stackitem.Item, 2) testC.res.Stack[0] = stackitem.NewArray(arr) t.Run("non-bytes array element", func(t *testing.T) { arr[0] = stackitem.NewArray(nil) _, err := n.ResolveContainerDomain(testContainerDomain) require.Error(t, err) }) arr[0] = stackitem.NewByteArray([]byte("some byte array 1")) t.Run("non-container array elements", func(t *testing.T) { arr[1] = stackitem.NewByteArray([]byte("some byte array 2")) _, err := n.ResolveContainerDomain(testContainerDomain) require.Error(t, err) }) t.Run("with container array element", func(t *testing.T) { id := cidtest.ID() arr[1] = stackitem.NewByteArray([]byte(id.EncodeToString())) res, err := n.ResolveContainerDomain(testContainerDomain) require.NoError(t, err) require.Equal(t, id, res) }) }