Examples with InstanceCacheManager org.apache.servicecomb.registry.cache.InstanceCacheManager used on opensource projects

Example 6 with InstanceCacheManager

use of org.apache.servicecomb.registry.cache.InstanceCacheManager in project incubator-servicecomb-java-chassis by apache.

the class TestLoadBalanceHandler2 method testIsolationEventWithEndpoint.

@Test
public void testIsolationEventWithEndpoint() throws Exception {
    ReferenceConfig referenceConfig = Mockito.mock(ReferenceConfig.class);
    OperationMeta operationMeta = Mockito.mock(OperationMeta.class);
    InvocationRuntimeType invocationRuntimeType = Mockito.mock(InvocationRuntimeType.class);
    SchemaMeta schemaMeta = Mockito.mock(SchemaMeta.class);
    when(operationMeta.getSchemaMeta()).thenReturn(schemaMeta);
    MicroserviceMeta microserviceMeta = Mockito.mock(MicroserviceMeta.class);
    when(schemaMeta.getMicroserviceMeta()).thenReturn(microserviceMeta);
    when(schemaMeta.getMicroserviceName()).thenReturn("testMicroserviceName");
    when(microserviceMeta.getAppId()).thenReturn("testApp");
    when(referenceConfig.getVersionRule()).thenReturn("0.0.0+");
    when(referenceConfig.getTransport()).thenReturn("rest");
    Invocation invocation = new Invocation(referenceConfig, operationMeta, invocationRuntimeType, new HashMap<>());
    InstanceCacheManager instanceCacheManager = Mockito.mock(InstanceCacheManager.class);
    TransportManager transportManager = Mockito.mock(TransportManager.class);
    Transport transport = Mockito.mock(Transport.class);
    ArchaiusUtils.setProperty("servicecomb.loadbalance.filter.operation.enabled", "false");
    // set up data
    MicroserviceInstance myself = new MicroserviceInstance();
    DataCenterInfo info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test");
    info.setAvailableZone("test");
    myself.setDataCenterInfo(info);
    MicroserviceInstance instance = new MicroserviceInstance();
    info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test");
    info.setAvailableZone("test");
    List<String> allMatchEndpoint = new ArrayList<>();
    allMatchEndpoint.add("rest://localhost:9090");
    instance.setEndpoints(allMatchEndpoint);
    instance.setDataCenterInfo(info);
    instance.setInstanceId("instance");
    Map<String, MicroserviceInstance> data = new HashMap<>();
    DiscoveryTreeNode parent = new DiscoveryTreeNode().name("parent").data(data);
    scbEngine.setTransportManager(transportManager);
    LocalRegistryStore.INSTANCE.initSelfWithMocked(null, myself);
    mockUpInstanceCacheManager(instanceCacheManager);
    when(instanceCacheManager.getOrCreateVersionedCache("testApp", "testMicroserviceName", "0.0.0+")).thenReturn(parent);
    when(transportManager.findTransport("rest")).thenReturn(transport);
    LoadbalanceHandler handler = null;
    LoadBalancer loadBalancer = null;
    ServiceCombServer server = null;
    handler = new LoadbalanceHandler();
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertNull(server);
    data.put("instance", instance);
    parent.cacheVersion(parent.cacheVersion() + 1);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9090", server.getEndpoint().getEndpoint());
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markFailure(server);
    // if errorThresholdPercentage greater than 0, it will activate.
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.errorThresholdPercentage", "10");
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.minIsolationTime", "10");
    Holder<Integer> count = new Holder<>(0);
    IsolationEndpointListener isolationEndpointListener = new IsolationEndpointListener(count);
    EventManager.getEventBus().register(isolationEndpointListener);
    Assert.assertEquals(0, count.value.intValue());
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    // no server is available
    Assert.assertNull(server);
    Assert.assertEquals(1, count.value.intValue());
    EventManager.unregister(isolationEndpointListener);
}

Example 7 with InstanceCacheManager

use of org.apache.servicecomb.registry.cache.InstanceCacheManager in project incubator-servicecomb-java-chassis by apache.

the class TestLoadBalanceHandler2 method testZoneAwareAndIsolationFilterWorks.

@Test
public void testZoneAwareAndIsolationFilterWorks() throws Exception {
    ReferenceConfig referenceConfig = Mockito.mock(ReferenceConfig.class);
    OperationMeta operationMeta = Mockito.mock(OperationMeta.class);
    InvocationRuntimeType invocationRuntimeType = Mockito.mock(InvocationRuntimeType.class);
    SchemaMeta schemaMeta = Mockito.mock(SchemaMeta.class);
    when(operationMeta.getSchemaMeta()).thenReturn(schemaMeta);
    MicroserviceMeta microserviceMeta = Mockito.mock(MicroserviceMeta.class);
    when(schemaMeta.getMicroserviceMeta()).thenReturn(microserviceMeta);
    when(schemaMeta.getMicroserviceName()).thenReturn("testMicroserviceName");
    when(microserviceMeta.getAppId()).thenReturn("testApp");
    when(referenceConfig.getVersionRule()).thenReturn("0.0.0+");
    when(referenceConfig.getTransport()).thenReturn("rest");
    Invocation invocation = new Invocation(referenceConfig, operationMeta, invocationRuntimeType, new HashMap<>());
    InstanceCacheManager instanceCacheManager = Mockito.mock(InstanceCacheManager.class);
    TransportManager transportManager = Mockito.mock(TransportManager.class);
    Transport transport = Mockito.mock(Transport.class);
    ArchaiusUtils.setProperty("servicecomb.loadbalance.filter.operation.enabled", "false");
    // set up data
    MicroserviceInstance myself = new MicroserviceInstance();
    DataCenterInfo info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test-Region");
    info.setAvailableZone("test-zone");
    myself.setDataCenterInfo(info);
    MicroserviceInstance allmatchInstance = new MicroserviceInstance();
    info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test-Region");
    info.setAvailableZone("test-zone");
    List<String> allMatchEndpoint = new ArrayList<>();
    allMatchEndpoint.add("rest://localhost:9090");
    allmatchInstance.setEndpoints(allMatchEndpoint);
    allmatchInstance.setDataCenterInfo(info);
    allmatchInstance.setInstanceId("allmatchInstance");
    MicroserviceInstance regionMatchInstance = new MicroserviceInstance();
    info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test-Region");
    info.setAvailableZone("test-zone2");
    List<String> regionMatchEndpoint = new ArrayList<>();
    regionMatchEndpoint.add("rest://localhost:9091");
    regionMatchInstance.setEndpoints(regionMatchEndpoint);
    regionMatchInstance.setDataCenterInfo(info);
    regionMatchInstance.setInstanceId("regionMatchInstance");
    MicroserviceInstance noneMatchInstance = new MicroserviceInstance();
    info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test-Region2");
    info.setAvailableZone("test-zone2");
    List<String> noMatchEndpoint = new ArrayList<>();
    noMatchEndpoint.add("rest://localhost:9092");
    noneMatchInstance.setEndpoints(noMatchEndpoint);
    noneMatchInstance.setDataCenterInfo(info);
    noneMatchInstance.setInstanceId("noneMatchInstance");
    Map<String, MicroserviceInstance> data = new HashMap<>();
    DiscoveryTreeNode parent = new DiscoveryTreeNode().name("parent").data(data);
    scbEngine.setTransportManager(transportManager);
    LocalRegistryStore.INSTANCE.initSelfWithMocked(null, myself);
    mockUpInstanceCacheManager(instanceCacheManager);
    when(instanceCacheManager.getOrCreateVersionedCache("testApp", "testMicroserviceName", "0.0.0+")).thenReturn(parent);
    when(transportManager.findTransport("rest")).thenReturn(transport);
    LoadbalanceHandler handler = null;
    LoadBalancer loadBalancer = null;
    ServiceCombServer server = null;
    handler = new LoadbalanceHandler();
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals(null, server);
    data.put("noneMatchInstance", noneMatchInstance);
    parent.cacheVersion(1);
    handler = new LoadbalanceHandler();
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9092", server.getEndpoint().getEndpoint());
    data.put("regionMatchInstance", regionMatchInstance);
    parent.cacheVersion(parent.cacheVersion() + 1);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9091", server.getEndpoint().getEndpoint());
    data.put("allmatchInstance", allmatchInstance);
    parent.cacheVersion(parent.cacheVersion() + 1);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9090", server.getEndpoint().getEndpoint());
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markFailure(server);
    // if errorThresholdPercentage is 0,that means errorThresholdPercentage is not active.
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.errorThresholdPercentage", "0");
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9090", server.getEndpoint().getEndpoint());
    // if errorThresholdPercentage greater than 0, it will activate.
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.errorThresholdPercentage", "20");
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.minIsolationTime", "10");
    ServiceCombServer server2 = server;
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9091", server.getEndpoint().getEndpoint());
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server2);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9091", server.getEndpoint().getEndpoint());
    mockDelayMillis(20);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9090", server.getEndpoint().getEndpoint());
    ServiceCombLoadBalancerStats.INSTANCE.markFailure(server2);
    ServiceCombLoadBalancerStats.INSTANCE.markFailure(server2);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9091", server.getEndpoint().getEndpoint());
}

Example 8 with InstanceCacheManager

use of org.apache.servicecomb.registry.cache.InstanceCacheManager in project java-chassis by ServiceComb.

the class TestLoadBalanceHandler2 method testConfigEndpoint.

@Test
public void testConfigEndpoint() {
    ReferenceConfig referenceConfig = Mockito.mock(ReferenceConfig.class);
    OperationMeta operationMeta = Mockito.mock(OperationMeta.class);
    InvocationRuntimeType invocationRuntimeType = Mockito.mock(InvocationRuntimeType.class);
    SchemaMeta schemaMeta = Mockito.mock(SchemaMeta.class);
    when(operationMeta.getSchemaMeta()).thenReturn(schemaMeta);
    MicroserviceMeta microserviceMeta = Mockito.mock(MicroserviceMeta.class);
    when(schemaMeta.getMicroserviceMeta()).thenReturn(microserviceMeta);
    when(schemaMeta.getMicroserviceName()).thenReturn("testMicroserviceName");
    when(microserviceMeta.getAppId()).thenReturn("testApp");
    when(referenceConfig.getVersionRule()).thenReturn("0.0.0+");
    when(referenceConfig.getTransport()).thenReturn("rest");
    Invocation invocation = new Invocation(referenceConfig, operationMeta, invocationRuntimeType, new HashMap<>());
    AsyncResponse asyncResp = Mockito.mock(AsyncResponse.class);
    InstanceCacheManager instanceCacheManager = Mockito.mock(InstanceCacheManager.class);
    TransportManager transportManager = Mockito.mock(TransportManager.class);
    Transport transport = Mockito.mock(Transport.class);
    ArchaiusUtils.setProperty("servicecomb.loadbalance.filter.operation.enabled", "false");
    // set up data
    MicroserviceInstance myself = new MicroserviceInstance();
    MicroserviceInstance findInstance = new MicroserviceInstance();
    List<String> findEndpoint = new ArrayList<>();
    findEndpoint.add("rest://localhost:9092");
    findInstance.setEndpoints(findEndpoint);
    findInstance.setInstanceId("findInstance");
    Map<String, MicroserviceInstance> data = new HashMap<>();
    DiscoveryTreeNode parent = new DiscoveryTreeNode().name("parent").data(data);
    scbEngine.setTransportManager(transportManager);
    SCBEngine.getInstance().setTransportManager(transportManager);
    LocalRegistryStore.INSTANCE.initSelfWithMocked(null, myself);
    mockUpInstanceCacheManager(instanceCacheManager);
    when(instanceCacheManager.getOrCreateVersionedCache("testApp", "testMicroserviceName", "0.0.0+")).thenReturn(parent);
    when(transportManager.findTransport("rest")).thenReturn(transport);
    data.put("findInstance", findInstance);
    parent.cacheVersion(1);
    LoadbalanceHandler handler = new LoadbalanceHandler();
    try {
        handler.handle(invocation, asyncResp);
    } catch (Exception e) {
    }
    Assert.assertEquals("rest://localhost:9092", invocation.getEndpoint().getEndpoint());
    // reset
    invocation.setEndpoint(null);
    // success
    invocation.addLocalContext("scb-endpoint", "rest://127.0.0.1:8080?sslEnabled=true&protocol=http2");
    try {
        handler.handle(invocation, asyncResp);
    } catch (Exception e) {
    }
    Assert.assertEquals("rest://127.0.0.1:8080?sslEnabled=true&protocol=http2", invocation.getEndpoint().getEndpoint());
    // reset
    invocation.setEndpoint(null);
    // endpoint format is not correct
    invocation.addLocalContext("scb-endpoint", "127.0.0.1:8080");
    try {
        handler.handle(invocation, asyncResp);
        Assert.assertEquals("endpoint's format is not correct, throw exception", " but not throw exception");
    } catch (Exception e) {
        Assert.assertTrue(e.getMessage().contains("Illegal character in scheme name"));
    }
    // reset
    invocation.setEndpoint(null);
    // transport is not find
    invocation.addLocalContext("scb-endpoint", "my://127.0.0.1:8080?sslEnabled=true&protocol=http2");
    try {
        handler.handle(invocation, asyncResp);
        Assert.assertEquals("endpoint's transport not found, throw exception", "but not throw exception");
    } catch (Exception e) {
        Assert.assertTrue(e.getMessage().contains("the endpoint's transport is not found."));
    }
}

Example 9 with InstanceCacheManager

use of org.apache.servicecomb.registry.cache.InstanceCacheManager in project java-chassis by ServiceComb.

the class TestLoadBalanceHandler2 method testIsolationEventWithEndpoint.

@Test
public void testIsolationEventWithEndpoint() throws Exception {
    ReferenceConfig referenceConfig = Mockito.mock(ReferenceConfig.class);
    OperationMeta operationMeta = Mockito.mock(OperationMeta.class);
    InvocationRuntimeType invocationRuntimeType = Mockito.mock(InvocationRuntimeType.class);
    SchemaMeta schemaMeta = Mockito.mock(SchemaMeta.class);
    when(operationMeta.getSchemaMeta()).thenReturn(schemaMeta);
    MicroserviceMeta microserviceMeta = Mockito.mock(MicroserviceMeta.class);
    when(schemaMeta.getMicroserviceMeta()).thenReturn(microserviceMeta);
    when(schemaMeta.getMicroserviceName()).thenReturn("testMicroserviceName");
    when(microserviceMeta.getAppId()).thenReturn("testApp");
    when(referenceConfig.getVersionRule()).thenReturn("0.0.0+");
    when(referenceConfig.getTransport()).thenReturn("rest");
    Invocation invocation = new Invocation(referenceConfig, operationMeta, invocationRuntimeType, new HashMap<>());
    InstanceCacheManager instanceCacheManager = Mockito.mock(InstanceCacheManager.class);
    TransportManager transportManager = Mockito.mock(TransportManager.class);
    Transport transport = Mockito.mock(Transport.class);
    ArchaiusUtils.setProperty("servicecomb.loadbalance.filter.operation.enabled", "false");
    // set up data
    MicroserviceInstance myself = new MicroserviceInstance();
    DataCenterInfo info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test");
    info.setAvailableZone("test");
    myself.setDataCenterInfo(info);
    MicroserviceInstance instance = new MicroserviceInstance();
    info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test");
    info.setAvailableZone("test");
    List<String> allMatchEndpoint = new ArrayList<>();
    allMatchEndpoint.add("rest://localhost:9090");
    instance.setEndpoints(allMatchEndpoint);
    instance.setDataCenterInfo(info);
    instance.setInstanceId("instance");
    Map<String, MicroserviceInstance> data = new HashMap<>();
    DiscoveryTreeNode parent = new DiscoveryTreeNode().name("parent").data(data);
    scbEngine.setTransportManager(transportManager);
    LocalRegistryStore.INSTANCE.initSelfWithMocked(null, myself);
    mockUpInstanceCacheManager(instanceCacheManager);
    when(instanceCacheManager.getOrCreateVersionedCache("testApp", "testMicroserviceName", "0.0.0+")).thenReturn(parent);
    when(transportManager.findTransport("rest")).thenReturn(transport);
    LoadbalanceHandler handler = null;
    LoadBalancer loadBalancer = null;
    ServiceCombServer server = null;
    handler = new LoadbalanceHandler();
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertNull(server);
    data.put("instance", instance);
    parent.cacheVersion(parent.cacheVersion() + 1);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9090", server.getEndpoint().getEndpoint());
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markFailure(server);
    // if errorThresholdPercentage greater than 0, it will activate.
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.errorThresholdPercentage", "10");
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.minIsolationTime", "10");
    Holder<Integer> count = new Holder<>(0);
    IsolationEndpointListener isolationEndpointListener = new IsolationEndpointListener(count);
    EventManager.getEventBus().register(isolationEndpointListener);
    Assert.assertEquals(0, count.value.intValue());
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    // no server is available
    Assert.assertNull(server);
    Assert.assertEquals(1, count.value.intValue());
    EventManager.unregister(isolationEndpointListener);
}

Example 10 with InstanceCacheManager

use of org.apache.servicecomb.registry.cache.InstanceCacheManager in project incubator-servicecomb-java-chassis by apache.

the class TestLoadBalanceHandler2 method testZoneAwareAndIsolationFilterWorksEmptyInstanceProtectionEnabled.

@Test
public void testZoneAwareAndIsolationFilterWorksEmptyInstanceProtectionEnabled() throws Exception {
    ArchaiusUtils.setProperty("servicecomb.loadbalance.filter.isolation.emptyInstanceProtectionEnabled", "true");
    ReferenceConfig referenceConfig = Mockito.mock(ReferenceConfig.class);
    OperationMeta operationMeta = Mockito.mock(OperationMeta.class);
    InvocationRuntimeType invocationRuntimeType = Mockito.mock(InvocationRuntimeType.class);
    SchemaMeta schemaMeta = Mockito.mock(SchemaMeta.class);
    when(operationMeta.getSchemaMeta()).thenReturn(schemaMeta);
    MicroserviceMeta microserviceMeta = Mockito.mock(MicroserviceMeta.class);
    when(schemaMeta.getMicroserviceMeta()).thenReturn(microserviceMeta);
    when(schemaMeta.getMicroserviceName()).thenReturn("testMicroserviceName");
    when(microserviceMeta.getAppId()).thenReturn("testApp");
    when(referenceConfig.getVersionRule()).thenReturn("0.0.0+");
    when(referenceConfig.getTransport()).thenReturn("rest");
    Invocation invocation = new Invocation(referenceConfig, operationMeta, invocationRuntimeType, new HashMap<>());
    InstanceCacheManager instanceCacheManager = Mockito.mock(InstanceCacheManager.class);
    TransportManager transportManager = Mockito.mock(TransportManager.class);
    Transport transport = Mockito.mock(Transport.class);
    ArchaiusUtils.setProperty("servicecomb.loadbalance.filter.operation.enabled", "false");
    // set up data
    MicroserviceInstance myself = new MicroserviceInstance();
    DataCenterInfo info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test-Region");
    info.setAvailableZone("test-zone");
    myself.setDataCenterInfo(info);
    MicroserviceInstance allmatchInstance = new MicroserviceInstance();
    info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test-Region");
    info.setAvailableZone("test-zone");
    List<String> allMatchEndpoint = new ArrayList<>();
    allMatchEndpoint.add("rest://localhost:9090");
    allmatchInstance.setEndpoints(allMatchEndpoint);
    allmatchInstance.setDataCenterInfo(info);
    allmatchInstance.setInstanceId("allmatchInstance");
    MicroserviceInstance regionMatchInstance = new MicroserviceInstance();
    info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test-Region");
    info.setAvailableZone("test-zone2");
    List<String> regionMatchEndpoint = new ArrayList<>();
    regionMatchEndpoint.add("rest://localhost:9091");
    regionMatchInstance.setEndpoints(regionMatchEndpoint);
    regionMatchInstance.setDataCenterInfo(info);
    regionMatchInstance.setInstanceId("regionMatchInstance");
    MicroserviceInstance noneMatchInstance = new MicroserviceInstance();
    info = new DataCenterInfo();
    info.setName("test");
    info.setRegion("test-Region2");
    info.setAvailableZone("test-zone2");
    List<String> noMatchEndpoint = new ArrayList<>();
    noMatchEndpoint.add("rest://localhost:9092");
    noneMatchInstance.setEndpoints(noMatchEndpoint);
    noneMatchInstance.setDataCenterInfo(info);
    noneMatchInstance.setInstanceId("noneMatchInstance");
    Map<String, MicroserviceInstance> data = new HashMap<>();
    DiscoveryTreeNode parent = new DiscoveryTreeNode().name("parent").data(data);
    scbEngine.setTransportManager(transportManager);
    LocalRegistryStore.INSTANCE.initSelfWithMocked(null, myself);
    mockUpInstanceCacheManager(instanceCacheManager);
    when(instanceCacheManager.getOrCreateVersionedCache("testApp", "testMicroserviceName", "0.0.0+")).thenReturn(parent);
    when(transportManager.findTransport("rest")).thenReturn(transport);
    LoadbalanceHandler handler = null;
    LoadBalancer loadBalancer = null;
    ServiceCombServer server = null;
    handler = new LoadbalanceHandler();
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals(null, server);
    data.put("noneMatchInstance", noneMatchInstance);
    parent.cacheVersion(1);
    handler = new LoadbalanceHandler();
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9092", server.getEndpoint().getEndpoint());
    data.put("regionMatchInstance", regionMatchInstance);
    parent.cacheVersion(parent.cacheVersion() + 1);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9091", server.getEndpoint().getEndpoint());
    data.put("allmatchInstance", allmatchInstance);
    parent.cacheVersion(parent.cacheVersion() + 1);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9090", server.getEndpoint().getEndpoint());
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server);
    ServiceCombLoadBalancerStats.INSTANCE.markFailure(server);
    // if errorThresholdPercentage is 0,that means errorThresholdPercentage is not active.
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.errorThresholdPercentage", "0");
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9090", server.getEndpoint().getEndpoint());
    // if errorThresholdPercentage greater than 0, it will activate.
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.errorThresholdPercentage", "20");
    ArchaiusUtils.setProperty("servicecomb.loadbalance.isolation.minIsolationTime", "30");
    ServiceCombServer server2 = server;
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9091", server.getEndpoint().getEndpoint());
    ServiceCombLoadBalancerStats.INSTANCE.markSuccess(server2);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9091", server.getEndpoint().getEndpoint());
    mockDelayMillis(31);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9090", server.getEndpoint().getEndpoint());
    ServiceCombLoadBalancerStats.INSTANCE.markFailure(server2);
    ServiceCombLoadBalancerStats.INSTANCE.markFailure(server2);
    loadBalancer = handler.getOrCreateLoadBalancer(invocation);
    server = loadBalancer.chooseServer(invocation);
    Assert.assertEquals("rest://localhost:9091", server.getEndpoint().getEndpoint());
}