diff --git a/src/replication/source/match_test.go b/src/replication/source/match_test.go
new file mode 100644
index 000000000..b4d581b74
--- /dev/null
+++ b/src/replication/source/match_test.go
@@ -0,0 +1,43 @@
+// Copyright (c) 2017 VMware, Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package source
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMatch(t *testing.T) {
+	cases := []struct {
+		pattern string
+		str     string
+		matched bool
+	}{
+		{"", "", true},
+		{"*", "library", true},
+		{"library/*", "library/mysql", true},
+		{"library/*", "library/mysql/5.6", false},
+		{"library/mysq?", "library/mysql", true},
+		{"library/mysq?", "library/mysqld", false},
+	}
+
+	for _, c := range cases {
+		matched, err := match(c.pattern, c.str)
+		require.Nil(t, err)
+		assert.Equal(t, c.matched, matched)
+	}
+}
diff --git a/src/replication/target/target_test.go b/src/replication/target/target_test.go
new file mode 100644
index 000000000..42a8f59e7
--- /dev/null
+++ b/src/replication/target/target_test.go
@@ -0,0 +1,26 @@
+// Copyright (c) 2017 VMware, Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package target
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewDefaultManager(t *testing.T) {
+	mgr := NewDefaultManager()
+	assert.NotNil(t, mgr)
+}
diff --git a/src/replication/trigger/immediate_test.go b/src/replication/trigger/immediate_test.go
new file mode 100644
index 000000000..a14dfe252
--- /dev/null
+++ b/src/replication/trigger/immediate_test.go
@@ -0,0 +1,57 @@
+// Copyright (c) 2017 VMware, Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package trigger
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/vmware/harbor/src/common/dao"
+	"github.com/vmware/harbor/src/common/utils/test"
+	"github.com/vmware/harbor/src/replication"
+)
+
+func TestKindOfImmediateTrigger(t *testing.T) {
+	trigger := NewImmediateTrigger(ImmediateParam{})
+	assert.Equal(t, replication.TriggerKindImmediate, trigger.Kind())
+}
+
+func TestSetupAndUnsetOfImmediateTrigger(t *testing.T) {
+	dao.DefaultDatabaseWatchItemDAO = &test.FakeWatchItemDAO{}
+
+	param := ImmediateParam{}
+	param.PolicyID = 1
+	param.OnDeletion = true
+	param.Namespaces = []string{"library"}
+	trigger := NewImmediateTrigger(param)
+
+	err := trigger.Setup()
+	require.Nil(t, err)
+
+	items, err := DefaultWatchList.Get("library", "push")
+	require.Nil(t, err)
+	assert.Equal(t, 1, len(items))
+
+	items, err = DefaultWatchList.Get("library", "delete")
+	require.Nil(t, err)
+	assert.Equal(t, 1, len(items))
+
+	err = trigger.Unset()
+	require.Nil(t, err)
+	items, err = DefaultWatchList.Get("library", "delete")
+	require.Nil(t, err)
+	assert.Equal(t, 0, len(items))
+}
diff --git a/src/replication/trigger/manager_test.go b/src/replication/trigger/manager_test.go
new file mode 100644
index 000000000..d02d9ee28
--- /dev/null
+++ b/src/replication/trigger/manager_test.go
@@ -0,0 +1,96 @@
+// Copyright (c) 2017 VMware, Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package trigger
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/vmware/harbor/src/replication"
+	"github.com/vmware/harbor/src/replication/models"
+)
+
+func TestCreateTrigger(t *testing.T) {
+	// nil policy
+	_, err := createTrigger(nil)
+	require.NotNil(t, err)
+
+	// nil trigger
+	_, err = createTrigger(&models.ReplicationPolicy{})
+	require.NotNil(t, err)
+
+	// schedule trigger
+	trigger, err := createTrigger(&models.ReplicationPolicy{
+		Trigger: &models.Trigger{
+			Kind: replication.TriggerKindSchedule,
+			ScheduleParam: &models.ScheduleParam{
+				Type:    replication.TriggerScheduleWeekly,
+				Weekday: 1,
+				Offtime: 1,
+			},
+		},
+	})
+	require.Nil(t, err)
+	assert.NotNil(t, trigger)
+
+	// immediate trigger
+	trigger, err = createTrigger(&models.ReplicationPolicy{
+		Trigger: &models.Trigger{
+			Kind: replication.TriggerKindImmediate,
+		},
+	})
+	require.Nil(t, err)
+	assert.NotNil(t, trigger)
+
+	// manual trigger
+	trigger, err = createTrigger(&models.ReplicationPolicy{
+		Trigger: &models.Trigger{
+			Kind: replication.TriggerKindManual,
+		},
+	})
+	require.Nil(t, err)
+	assert.Nil(t, trigger)
+}
+
+func TestSetupTrigger(t *testing.T) {
+	mgr := NewManager(1)
+
+	err := mgr.SetupTrigger(&models.ReplicationPolicy{
+		Trigger: &models.Trigger{
+			Kind: replication.TriggerKindSchedule,
+			ScheduleParam: &models.ScheduleParam{
+				Type:    replication.TriggerScheduleDaily,
+				Offtime: 1,
+			},
+		},
+	})
+	assert.Nil(t, err)
+}
+
+func TestUnsetTrigger(t *testing.T) {
+	mgr := NewManager(1)
+
+	err := mgr.UnsetTrigger(&models.ReplicationPolicy{
+		Trigger: &models.Trigger{
+			Kind: replication.TriggerKindSchedule,
+			ScheduleParam: &models.ScheduleParam{
+				Type:    replication.TriggerScheduleDaily,
+				Offtime: 1,
+			},
+		},
+	})
+	assert.Nil(t, err)
+}