1 files changed, 90 insertions, 0 deletions
diff --git a/core/utils/signer_test.go b/core/utils/signer_test.go
new file mode 100644
index 0000000..8e34b98
--- /dev/null
+++ b/core/utils/signer_test.go
@@ -0,0 +1,90 @@
+// Copyright 2018 The dexon-consensus Authors
+// This file is part of the dexon-consensus library.
+//
+// The dexon-consensus library is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Lesser General Public License as
+// published by the Free Software Foundation, either version 3 of the License,
+// or (at your option) any later version.
+//
+// The dexon-consensus library is distributed in the hope that it will be
+// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+// General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the dexon-consensus library. If not, see
+// <http://www.gnu.org/licenses/>.
+
+package utils
+
+import (
+	"testing"
+	"time"
+
+	"github.com/dexon-foundation/dexon-consensus/common"
+	"github.com/dexon-foundation/dexon-consensus/core/crypto/ecdsa"
+	"github.com/dexon-foundation/dexon-consensus/core/types"
+	"github.com/stretchr/testify/suite"
+)
+
+type SignerTestSuite struct {
+	suite.Suite
+}
+
+func (s *SignerTestSuite) setupSigner() *Signer {
+	k, err := ecdsa.NewPrivateKey()
+	s.NoError(err)
+	return NewSigner(k)
+}
+
+func (s *SignerTestSuite) TestBlock() {
+	k := s.setupSigner()
+	b := &types.Block{
+		ParentHash: common.NewRandomHash(),
+		Position: types.Position{
+			ChainID: 2,
+			Height:  3,
+		},
+		Timestamp: time.Now().UTC(),
+	}
+	s.NoError(k.SignBlock(b))
+	s.NoError(VerifyBlockSignature(b))
+}
+
+func (s *SignerTestSuite) TestVote() {
+	k := s.setupSigner()
+	v := types.NewVote(types.VoteCom, common.NewRandomHash(), 123)
+	v.Position = types.Position{
+		ChainID: 4,
+		Height:  6,
+	}
+	v.ProposerID = types.NodeID{Hash: common.NewRandomHash()}
+	s.NoError(k.SignVote(v))
+	ok, err := VerifyVoteSignature(v)
+	s.True(ok)
+	s.NoError(err)
+}
+
+func (s *SignerTestSuite) TestCRS() {
+	k := s.setupSigner()
+	b := &types.Block{
+		ParentHash: common.NewRandomHash(),
+		Position: types.Position{
+			ChainID: 8,
+			Height:  9,
+		},
+		Timestamp: time.Now().UTC(),
+	}
+	crs := common.NewRandomHash()
+	s.Error(k.SignCRS(b, crs))
+	// Hash block before hash CRS.
+	s.NoError(k.SignBlock(b))
+	s.NoError(k.SignCRS(b, crs))
+	ok, err := VerifyCRSSignature(b, crs)
+	s.True(ok)
+	s.NoError(err)
+}
+
+func TestSigner(t *testing.T) {
+	suite.Run(t, new(SignerTestSuite))
+}