1 files changed, 142 insertions, 0 deletions
diff --git a/integration_test/with_scheduler_test.go b/integration_test/with_scheduler_test.go
new file mode 100644
index 0000000..1105805
--- /dev/null
+++ b/integration_test/with_scheduler_test.go
@@ -0,0 +1,142 @@
+// 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 integration
+
+import (
+	"testing"
+	"time"
+
+	"github.com/dexon-foundation/dexon-consensus/core/test"
+	"github.com/stretchr/testify/suite"
+)
+
+type WithSchedulerTestSuite struct {
+	suite.Suite
+}
+
+func (s *WithSchedulerTestSuite) TestNonByzantine() {
+	var (
+		networkLatency = &test.NormalLatencyModel{
+			Sigma: 20,
+			Mean:  250,
+		}
+		proposingLatency = &test.NormalLatencyModel{
+			Sigma: 30,
+			Mean:  500,
+		}
+		numNodes = 25
+		req      = s.Require()
+	)
+	if testing.Short() {
+		numNodes = 7
+	}
+	// Setup key pairs.
+	prvKeys, pubKeys, err := test.NewKeys(numNodes)
+	req.NoError(err)
+	// Setup governance.
+	gov, err := test.NewGovernance(pubKeys, 250*time.Millisecond)
+	req.NoError(err)
+	// Setup nodes.
+	nodes, err := PrepareNodes(
+		gov, prvKeys, 25, networkLatency, proposingLatency)
+	req.NoError(err)
+	// Setup scheduler.
+	apps, dbs := CollectAppAndDBFromNodes(nodes)
+	now := time.Now().UTC()
+	sch := test.NewScheduler(test.NewStopByConfirmedBlocks(50, apps, dbs))
+	for _, n := range nodes {
+		req.NoError(n.Bootstrap(sch, now))
+	}
+	sch.Run(4)
+	// Check results by comparing test.App instances.
+	req.NoError(VerifyApps(apps))
+}
+
+func (s *WithSchedulerTestSuite) TestConfigurationChange() {
+	// This test case verify the correctness of core.Lattice when configuration
+	// changes.
+	// - Configuration changes are registered at 'pickedNode', and would carried
+	//   in blocks' payload and broadcast to other nodes.
+	var (
+		networkLatency = &test.NormalLatencyModel{
+			Sigma: 20,
+			Mean:  250,
+		}
+		proposingLatency = &test.NormalLatencyModel{
+			Sigma: 30,
+			Mean:  500,
+		}
+		numNodes     = 4
+		req          = s.Require()
+		maxNumChains = uint32(9)
+	)
+	// Setup key pairs.
+	prvKeys, pubKeys, err := test.NewKeys(numNodes)
+	req.NoError(err)
+	// Setup governance.
+	gov, err := test.NewGovernance(pubKeys, 250*time.Millisecond)
+	req.NoError(err)
+	// Change default round interval, expect 1 round produce 30 blocks.
+	gov.State().RequestChange(test.StateChangeRoundInterval, 15*time.Second)
+	// Setup nodes.
+	nodes, err := PrepareNodes(
+		gov, prvKeys, maxNumChains, networkLatency, proposingLatency)
+	req.NoError(err)
+	// Set scheduler.
+	apps, dbs := CollectAppAndDBFromNodes(nodes)
+	now := time.Now().UTC()
+	sch := test.NewScheduler(test.NewStopByRound(9, apps, dbs))
+	for _, n := range nodes {
+		req.NoError(n.Bootstrap(sch, now))
+	}
+	// Register some configuration changes at some node.
+	var pickedNode *Node
+	for _, pickedNode = range nodes {
+		break
+	}
+	// Config changes for round 4, numChains from 4 to 7.
+	req.NoError(pickedNode.gov().RegisterConfigChange(
+		4, test.StateChangeNumChains, uint32(7)))
+	req.NoError(pickedNode.gov().RegisterConfigChange(
+		4, test.StateChangeK, 3))
+	req.NoError(pickedNode.gov().RegisterConfigChange(
+		4, test.StateChangePhiRatio, float32(0.5)))
+	// Config changes for round 5, numChains from 7 to 9.
+	req.NoError(pickedNode.gov().RegisterConfigChange(
+		5, test.StateChangeNumChains, maxNumChains))
+	req.NoError(pickedNode.gov().RegisterConfigChange(
+		5, test.StateChangeK, 0))
+	// Config changes for round 6, numChains from 9 to 7.
+	req.NoError(pickedNode.gov().RegisterConfigChange(
+		6, test.StateChangeNumChains, uint32(7)))
+	req.NoError(pickedNode.gov().RegisterConfigChange(
+		6, test.StateChangeK, 1))
+	// Config changes for round 6, numChains from 7 to 5.
+	req.NoError(pickedNode.gov().RegisterConfigChange(
+		7, test.StateChangeNumChains, uint32(5)))
+	req.NoError(pickedNode.gov().RegisterConfigChange(
+		7, test.StateChangeK, 1))
+	// Perform test.
+	sch.Run(4)
+	// Check results by comparing test.App instances.
+	req.NoError(VerifyApps(apps))
+}
+
+func TestWithScheduler(t *testing.T) {
+	suite.Run(t, new(WithSchedulerTestSuite))
+}