| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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 org.onosproject.incubator.net.l2monitoring.cfm.impl; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.junit.TestUtils; |
| import org.onlab.packet.ChassisId; |
| import org.onosproject.common.event.impl.TestEventDispatcher; |
| import org.onosproject.core.CoreServiceAdapter; |
| import org.onosproject.core.IdGenerator; |
| import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMaintenanceAssociation; |
| import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMep; |
| import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMepLbCreate; |
| import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMepLtCreate; |
| import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceAssociation; |
| import org.onosproject.incubator.net.l2monitoring.cfm.Mep; |
| import org.onosproject.incubator.net.l2monitoring.cfm.MepEntry; |
| import org.onosproject.incubator.net.l2monitoring.cfm.MepLbCreate; |
| import org.onosproject.incubator.net.l2monitoring.cfm.MepLtCreate; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdCharStr; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdShort; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdId; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdIdCharStr; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MepId; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MepKeyId; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmConfigException; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmMdService; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmMepProgrammable; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmMepService; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.MepStore; |
| import org.onosproject.incubator.net.l2monitoring.soam.SoamDmProgrammable; |
| import org.onosproject.incubator.net.l2monitoring.soam.impl.TestSoamDmProgrammable; |
| import org.onosproject.net.AbstractProjectableModel; |
| import org.onosproject.net.AnnotationKeys; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.DefaultDevice; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceDescriptionDiscovery; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.Behaviour; |
| import org.onosproject.net.driver.DefaultDriver; |
| import org.onosproject.net.driver.Driver; |
| import org.onosproject.net.driver.DriverService; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.store.service.AsyncDocumentTree; |
| import org.onosproject.store.service.DocumentTreeBuilder; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.TestAsyncDocumentTree; |
| import org.onosproject.store.service.TestStorageService; |
| import org.onosproject.store.service.TestTopic; |
| import org.onosproject.store.service.Topic; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import static org.easymock.EasyMock.createMock; |
| import static org.easymock.EasyMock.expect; |
| import static org.easymock.EasyMock.replay; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.onosproject.net.NetTestTools.injectEventDispatcher; |
| |
| /** |
| * CFM MEP Manager test. |
| */ |
| public class CfmMepManagerTest { |
| private static final String TEST_MFR = "testMfr"; |
| private static final String TEST_HW_VERSION = "testHwVersion"; |
| private static final String TEST_SW_VERSION = "testSwVersion"; |
| private static final String TEST_SN = "testSn"; |
| private static final String TEST_DRIVER = "testDriver"; |
| public static final String TEST_DRIVER_3 = "testDriver3"; |
| public static final String TEST_SW_3 = "testSw3"; |
| private final CfmMdService mdService = createMock(CfmMdService.class); |
| private final DeviceService deviceService = createMock(DeviceService.class); |
| private final DriverService driverService = createMock(DriverService.class); |
| |
| private CfmMepService mepService; |
| private CfmMepManager mepManager; |
| private MepStore mepStore; |
| private StorageService storageService; |
| |
| protected static final MdId MDNAME1 = MdIdCharStr.asMdId("md-1"); |
| protected static final MdId MDNAME2 = MdIdCharStr.asMdId("md-2"); |
| protected static final MaIdShort MANAME1 = MaIdCharStr.asMaId("ma-1-1"); |
| protected static final MaIdShort MANAME2 = MaIdCharStr.asMaId("ma-2-2"); |
| |
| private MaintenanceAssociation ma1; |
| private MaintenanceAssociation ma2; |
| protected static final MepId MEPID1 = MepId.valueOf((short) 10); |
| protected static final MepId MEPID11 = MepId.valueOf((short) 11); |
| protected static final MepId MEPID12 = MepId.valueOf((short) 12); |
| protected static final MepId MEPID2 = MepId.valueOf((short) 20); |
| protected static final MepId MEPID21 = MepId.valueOf((short) 21); |
| protected static final MepId MEPID22 = MepId.valueOf((short) 22); |
| |
| protected static final DeviceId DEVICE_ID1 = DeviceId.deviceId("netconf:1.2.3.4:830"); |
| protected static final DeviceId DEVICE_ID2 = DeviceId.deviceId("netconf:2.2.3.4:830"); |
| |
| private Mep mep1; |
| private Mep mep11; |
| private Mep mep12; |
| private Mep mep2; |
| private Mep mep21; |
| private Mep mep22; |
| |
| private Device device1; |
| private Device device2; |
| |
| private Driver testDriver; |
| |
| @Before |
| public void setup() throws CfmConfigException { |
| mepManager = new CfmMepManager(); |
| mepStore = new DistributedMepStore(); |
| storageService = new MockStorageService(); |
| |
| ma1 = DefaultMaintenanceAssociation.builder(MANAME1, MDNAME1.getNameLength()).build(); |
| ma2 = DefaultMaintenanceAssociation.builder(MANAME2, MDNAME2.getNameLength()).build(); |
| |
| TestUtils.setField(mepStore, "storageService", storageService); |
| ((DistributedMepStore) mepStore).activate(); |
| |
| TestUtils.setField(mepManager, "coreService", new TestCoreService()); |
| TestUtils.setField(mepManager, "deviceService", deviceService); |
| TestUtils.setField(mepManager, "cfmMdService", mdService); |
| TestUtils.setField(mepManager, "mepStore", mepStore); |
| injectEventDispatcher(mepManager, new TestEventDispatcher()); |
| |
| mepService = mepManager; |
| mepManager.activate(); |
| |
| mep1 = DefaultMep.builder(MEPID1, DEVICE_ID1, PortNumber.P0, |
| Mep.MepDirection.UP_MEP, MDNAME1, MANAME1).build(); |
| mepStore.createUpdateMep(new MepKeyId(MDNAME1, MANAME1, MEPID1), mep1); |
| |
| mep11 = DefaultMep.builder(MEPID11, DEVICE_ID1, PortNumber.P0, |
| Mep.MepDirection.UP_MEP, MDNAME1, MANAME1).build(); |
| mepStore.createUpdateMep(new MepKeyId(MDNAME1, MANAME1, MEPID11), mep11); |
| |
| mep12 = DefaultMep.builder(MEPID12, DEVICE_ID1, PortNumber.P0, |
| Mep.MepDirection.UP_MEP, MDNAME2, MANAME2).build(); |
| mepStore.createUpdateMep(new MepKeyId(MDNAME2, MANAME2, MEPID12), mep12); |
| |
| mep2 = DefaultMep.builder(MEPID2, DEVICE_ID2, PortNumber.portNumber(2), |
| Mep.MepDirection.UP_MEP, MDNAME1, MANAME1).build(); |
| mepStore.createUpdateMep(new MepKeyId(MDNAME1, MANAME1, MEPID2), mep2); |
| |
| mep21 = DefaultMep.builder(MEPID21, DEVICE_ID2, PortNumber.portNumber(2), |
| Mep.MepDirection.UP_MEP, MDNAME1, MANAME1).build(); |
| mepStore.createUpdateMep(new MepKeyId(MDNAME1, MANAME1, MEPID21), mep21); |
| |
| mep22 = DefaultMep.builder(MEPID22, DEVICE_ID2, PortNumber.portNumber(2), |
| Mep.MepDirection.UP_MEP, MDNAME2, MANAME2).build(); |
| mepStore.createUpdateMep(new MepKeyId(MDNAME2, MANAME2, MEPID22), mep22); |
| |
| device1 = new DefaultDevice( |
| ProviderId.NONE, DEVICE_ID1, Device.Type.SWITCH, |
| TEST_MFR, TEST_HW_VERSION, TEST_SW_VERSION, TEST_SN, |
| new ChassisId(1), |
| DefaultAnnotations.builder().set(AnnotationKeys.DRIVER, TEST_DRIVER).build()); |
| |
| device2 = new DefaultDevice( |
| ProviderId.NONE, DEVICE_ID2, Device.Type.SWITCH, |
| TEST_MFR, TEST_HW_VERSION, TEST_SW_VERSION, TEST_SN, |
| new ChassisId(2), |
| DefaultAnnotations.builder().set(AnnotationKeys.DRIVER, TEST_DRIVER).build()); |
| |
| AbstractProjectableModel.setDriverService(null, driverService); |
| |
| Map<Class<? extends Behaviour>, Class<? extends Behaviour>> behaviours = new HashMap<>(); |
| behaviours.put(DeviceDescriptionDiscovery.class, TestDeviceDiscoveryBehavior.class); |
| behaviours.put(CfmMepProgrammable.class, TestCfmMepProgrammable.class); |
| behaviours.put(SoamDmProgrammable.class, TestSoamDmProgrammable.class); |
| |
| testDriver = new DefaultDriver( |
| TEST_DRIVER, new ArrayList<Driver>(), |
| TEST_MFR, TEST_HW_VERSION, TEST_SW_VERSION, |
| behaviours, new HashMap<>()); |
| } |
| |
| |
| @After |
| public void tearDown() { |
| // mepManager.deactivate(); |
| } |
| |
| @Test |
| public void testGetAllMeps() throws CfmConfigException { |
| |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(DEVICE_ID1)).andReturn(device1).anyTimes(); |
| expect(deviceService.getDevice(DEVICE_ID2)).andReturn(device2).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(DEVICE_ID1)).andReturn(testDriver).anyTimes(); |
| expect(driverService.getDriver(DEVICE_ID2)).andReturn(testDriver).anyTimes(); |
| replay(driverService); |
| |
| Collection<MepEntry> mepEntries = mepManager.getAllMeps(MDNAME1, MANAME1); |
| |
| assertEquals(4, mepEntries.size()); |
| } |
| |
| @Test |
| public void testGetMep() throws CfmConfigException { |
| |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(DEVICE_ID1)).andReturn(device1).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(DEVICE_ID1)).andReturn(testDriver).anyTimes(); |
| replay(driverService); |
| |
| MepEntry mepEntry = mepManager.getMep(MDNAME1, MANAME1, MEPID1); |
| |
| assertEquals(MEPID1.value(), mepEntry.mepId().value()); |
| } |
| |
| @Test |
| public void testGetMepMissing() { |
| |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(DEVICE_ID1)).andReturn(null).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(DEVICE_ID1)).andReturn(testDriver).anyTimes(); |
| replay(driverService); |
| |
| try { |
| mepManager.getMep(MDNAME1, MANAME1, MEPID1); |
| fail("Expecting CfmConfigException because device does not exist"); |
| } catch (CfmConfigException e) { |
| assertEquals("Device not found netconf:1.2.3.4:830", e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testDeleteMep() throws CfmConfigException { |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(DEVICE_ID1)).andReturn(device1).anyTimes(); |
| expect(deviceService.getDevice(DEVICE_ID2)).andReturn(device2).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(DEVICE_ID1)).andReturn(testDriver).anyTimes(); |
| expect(driverService.getDriver(DEVICE_ID2)).andReturn(testDriver).anyTimes(); |
| replay(driverService); |
| |
| assertTrue(mepManager.deleteMep(MDNAME1, MANAME1, MEPID1, Optional.empty())); |
| } |
| |
| @Test |
| public void testCreateMep() throws CfmConfigException { |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(DEVICE_ID1)).andReturn(device1).anyTimes(); |
| expect(deviceService.getDevice(DEVICE_ID2)).andReturn(device2).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(DEVICE_ID1)).andReturn(testDriver).anyTimes(); |
| expect(driverService.getDriver(DEVICE_ID2)).andReturn(testDriver).anyTimes(); |
| replay(driverService); |
| |
| MepId mepId3 = MepId.valueOf((short) 3); |
| Mep mep3 = DefaultMep.builder(mepId3, DEVICE_ID1, PortNumber.portNumber(1), |
| Mep.MepDirection.UP_MEP, MDNAME1, MANAME1).build(); |
| |
| //Expecting false - since it was not found |
| assertTrue(mepManager.createMep(MDNAME1, MANAME1, mep3)); |
| } |
| |
| @Test |
| public void testCreateMepBehaviorNotSupported() throws CfmConfigException { |
| final DeviceId deviceId3 = DeviceId.deviceId("netconf:3.2.3.4:830"); |
| |
| Map<Class<? extends Behaviour>, Class<? extends Behaviour>> behaviours = new HashMap<>(); |
| behaviours.put(DeviceDescriptionDiscovery.class, TestDeviceDiscoveryBehavior.class); |
| |
| Driver testDriver3 = new DefaultDriver( |
| TEST_DRIVER_3, new ArrayList<Driver>(), |
| TEST_MFR, TEST_HW_VERSION, TEST_SW_3, |
| behaviours, new HashMap<>()); |
| |
| Device device3 = new DefaultDevice( |
| ProviderId.NONE, deviceId3, Device.Type.SWITCH, |
| TEST_MFR, TEST_HW_VERSION, TEST_SW_3, TEST_SN, |
| new ChassisId(2), |
| DefaultAnnotations.builder().set(AnnotationKeys.DRIVER, TEST_DRIVER_3).build()); |
| |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(deviceId3)).andReturn(device3).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(deviceId3)).andReturn(testDriver3).anyTimes(); |
| replay(driverService); |
| |
| MepId mepId3 = MepId.valueOf((short) 3); |
| Mep mep3 = DefaultMep.builder(mepId3, deviceId3, PortNumber.portNumber(1), |
| Mep.MepDirection.UP_MEP, MDNAME1, MANAME1).build(); |
| |
| try { |
| mepManager.createMep(MDNAME1, MANAME1, mep3); |
| fail("Expecting CfmConfigException because driver does not support behavior"); |
| } catch (CfmConfigException e) { |
| assertEquals("Device netconf:3.2.3.4:830 does not support " + |
| "CfmMepProgrammable behaviour.", e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testTransmitLoopback() { |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(DEVICE_ID1)).andReturn(device1).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(DEVICE_ID1)).andReturn(testDriver).anyTimes(); |
| replay(driverService); |
| |
| MepLbCreate lbCreate = DefaultMepLbCreate.builder(MepId.valueOf((short) 11)).build(); |
| try { |
| mepService.transmitLoopback(MDNAME1, MANAME1, MEPID1, lbCreate); |
| } catch (CfmConfigException e) { |
| fail("Not expecting an exception"); |
| } |
| } |
| |
| @Test |
| public void testAbortLoopback() { |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(DEVICE_ID1)).andReturn(device1).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(DEVICE_ID1)).andReturn(testDriver).anyTimes(); |
| replay(driverService); |
| |
| try { |
| mepService.abortLoopback(MDNAME1, MANAME1, MEPID1); |
| } catch (CfmConfigException e) { |
| fail("Not expecting an exception"); |
| } |
| } |
| |
| @Test |
| public void testTransmitLinktrace() throws CfmConfigException { |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(DEVICE_ID1)).andReturn(device1).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(DEVICE_ID1)).andReturn(testDriver).anyTimes(); |
| replay(driverService); |
| |
| MepLtCreate ltCreate = DefaultMepLtCreate.builder(MepId.valueOf((short) 11)).build(); |
| try { |
| mepService.transmitLinktrace(MDNAME1, MANAME1, MEPID1, ltCreate); |
| } catch (UnsupportedOperationException e) { |
| assertEquals("Not yet implemented", e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testDeviceRemoved() throws CfmConfigException { |
| expect(mdService.getMaintenanceAssociation(MDNAME1, MANAME1)) |
| .andReturn(Optional.ofNullable(ma1)) |
| .anyTimes(); |
| expect(mdService.getMaintenanceAssociation(MDNAME2, MANAME2)) |
| .andReturn(Optional.ofNullable(ma2)) |
| .anyTimes(); |
| replay(mdService); |
| |
| expect(deviceService.getDevice(DEVICE_ID1)).andReturn(device1).anyTimes(); |
| expect(deviceService.getDevice(DEVICE_ID2)).andReturn(device2).anyTimes(); |
| replay(deviceService); |
| |
| expect(driverService.getDriver(DEVICE_ID1)).andReturn(testDriver).anyTimes(); |
| expect(driverService.getDriver(DEVICE_ID2)).andReturn(testDriver).anyTimes(); |
| replay(driverService); |
| |
| // This is arranged like |
| // device1 device2 |
| // / \ / \ |
| // md-1 md-2 md-1 md-2 |
| // | | | | |
| // ma-1-1 ma-2-2 ma-1-1 ma-2-2 |
| // / \ | / \ \ |
| // mep1 mep11 mep12 mep2 mep21 mep22 |
| assertNotNull(mepService.getMep(MDNAME1, MANAME1, MEPID1)); |
| assertNotNull(mepService.getMep(MDNAME1, MANAME1, MEPID11)); |
| assertNotNull(mepService.getMep(MDNAME2, MANAME2, MEPID12)); |
| assertNotNull(mepService.getMep(MDNAME1, MANAME1, MEPID2)); |
| assertNotNull(mepService.getMep(MDNAME1, MANAME1, MEPID21)); |
| assertNotNull(mepService.getMep(MDNAME2, MANAME2, MEPID22)); |
| |
| //By deleting Device2 we expect Mep2,21,22 to have been deleted but Mep1,11,12 to remain |
| ((CfmMepManager) mepService).processDeviceRemoved(device2); |
| |
| assertNotNull(mepService.getMep(MDNAME1, MANAME1, MEPID1)); |
| assertNotNull(mepService.getMep(MDNAME1, MANAME1, MEPID11)); |
| assertNotNull(mepService.getMep(MDNAME2, MANAME2, MEPID12)); |
| //The device 2 related ones are gone |
| assertNull(mepService.getMep(MDNAME1, MANAME1, MEPID2)); |
| assertNull(mepService.getMep(MDNAME1, MANAME1, MEPID21)); |
| assertNull(mepService.getMep(MDNAME2, MANAME2, MEPID22)); |
| |
| //Now delete device1 |
| ((CfmMepManager) mepService).processDeviceRemoved(device1); |
| assertNull(mepService.getMep(MDNAME1, MANAME1, MEPID1)); |
| assertNull(mepService.getMep(MDNAME1, MANAME1, MEPID11)); |
| assertNull(mepService.getMep(MDNAME2, MANAME2, MEPID12)); |
| } |
| |
| private class TestCoreService extends CoreServiceAdapter { |
| |
| @Override |
| public IdGenerator getIdGenerator(String topic) { |
| return new IdGenerator() { |
| private AtomicLong counter = new AtomicLong(0); |
| |
| @Override |
| public long getNewId() { |
| return counter.getAndIncrement(); |
| } |
| }; |
| } |
| } |
| |
| private static class MockStorageService extends TestStorageService { |
| @Override |
| public <V> DocumentTreeBuilder<V> documentTreeBuilder() { |
| return new DocumentTreeBuilder<V>() { |
| @Override |
| public AsyncDocumentTree<V> buildDocumentTree() { |
| return build(); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public AsyncDocumentTree<V> build() { |
| return new TestAsyncDocumentTree<>(name()); |
| } |
| }; |
| } |
| |
| @Override |
| public <T> Topic<T> getTopic(String name, Serializer serializer) { |
| return new TestTopic<>(name); |
| } |
| } |
| } |