Add basic tests for wallet

cmd/client/wallet/wallet_test.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"github.com/golang/mock/gomock"
+	"github.com/harmony-one/harmony/api/client"
+	"github.com/harmony-one/harmony/core/types"
+	"github.com/harmony-one/harmony/node"
+	"github.com/harmony-one/harmony/p2p"
+	mock_host "github.com/harmony-one/harmony/p2p/host/mock"
+	"testing"
+	"time"
+)
+
+func TestCreateWalletNode(test *testing.T) {
+	walletNode := CreateWalletNode()
+
+	if walletNode.Client == nil {
+		test.Errorf("Wallet node's client is not initialized")
+	}
+}
+
+func TestSubmitTransaction(test *testing.T) {
+	ctrl := gomock.NewController(test)
+	defer ctrl.Finish()
+
+	m := mock_host.NewMockHost(ctrl)
+
+	m.EXPECT().GetSelfPeer().AnyTimes()
+	m.EXPECT().SendMessage(gomock.Any(), gomock.Any()).Times(1)
+
+	walletNode := node.New(m, nil, nil)
+	walletNode.Client = client.NewClient(walletNode.GetHost(), &map[uint32]p2p.Peer{0: p2p.Peer{IP: "1", Port: "2"}})
+
+	SubmitTransaction(&types.Transaction{}, walletNode, 0)
+
+	time.Sleep(1 * time.Second)
+}