Examples with BackendService com.hotels.styx.api.extension.service.BackendService used on opensource projects

Example 21 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class BackendServicesRouterTest method selectsUsingSingleSlashPath.

@Test
public void selectsUsingSingleSlashPath() throws Exception {
    Registry.Changes<BackendService> changes = added(appA().newCopy().path("/").build(), appB().newCopy().path("/appB/hotel/details.html").build());
    BackendServicesRouter router = new BackendServicesRouter(serviceClientFactory, environment, executor);
    router.onChange(changes);
    LiveHttpRequest request = get("/").build();
    Optional<HttpHandler> route = router.route(request, context);
    assertThat(proxyTo(route, request).header(ORIGIN_ID_DEFAULT), isValue(APP_A));
}

Example 22 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class BackendServicesRouterTest method deregistersAndReregistersMetricsAppropriately.

// This test exists due to a real bug we had when reloading in prod
@Test
public void deregistersAndReregistersMetricsAppropriately() {
    MeterRegistry metrics = new MicrometerRegistry(new SimpleMeterRegistry());
    Environment environment = new Environment.Builder().registry(metrics).build();
    MeterRegistry meterRegistry = environment.meterRegistry();
    BackendServicesRouter router = new BackendServicesRouter(new StyxBackendServiceClientFactory(environment), environment, executor);
    router.onChange(added(backendService(APP_B, "/appB/", 9094, "appB-01", 9095, "appB-02")));
    Tags tags01 = Tags.of(APPID_TAG, APP_B, ORIGINID_TAG, "appB-01");
    Tags tags02 = Tags.of(APPID_TAG, APP_B, ORIGINID_TAG, "appB-02");
    assertThat(meterRegistry.find("proxy.client.originHealthStatus").tags(tags01).gauge().value(), is(1.0));
    assertThat(meterRegistry.find("proxy.client.originHealthStatus").tags(tags02).gauge().value(), is(1.0));
    BackendService appMinusOneOrigin = backendService(APP_B, "/appB/", 9094, "appB-01");
    router.onChange(updated(appMinusOneOrigin));
    assertThat(meterRegistry.find("proxy.client.originHealthStatus").tags(tags01).gauge().value(), is(1.0));
    assertThat(meterRegistry.find("proxy.client.originHealthStatus").tags(tags02).gauge(), is(nullValue()));
}

Example 23 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class BackendServicesRouterTest method closesClientWhenBackendServicesAreUpdated.

@Test
public void closesClientWhenBackendServicesAreUpdated() {
    BackendServiceClient firstClient = mock(BackendServiceClient.class);
    BackendServiceClient secondClient = mock(BackendServiceClient.class);
    BackendServiceClientFactory clientFactory = mock(BackendServiceClientFactory.class);
    when(clientFactory.createClient(any(BackendService.class), any(OriginsInventory.class), any(OriginStatsFactory.class))).thenReturn(firstClient).thenReturn(secondClient);
    BackendServicesRouter router = new BackendServicesRouter(clientFactory, environment, executor);
    BackendService bookingApp = appB();
    router.onChange(added(bookingApp));
    ArgumentCaptor<OriginsInventory> originsInventory = forClass(OriginsInventory.class);
    verify(clientFactory).createClient(eq(bookingApp), originsInventory.capture(), any(OriginStatsFactory.class));
    BackendService bookingAppMinusOneOrigin = bookingAppMinusOneOrigin();
    router.onChange(updated(bookingAppMinusOneOrigin));
    assertThat(originsInventory.getValue().closed(), is(true));
    verify(clientFactory).createClient(eq(bookingAppMinusOneOrigin), any(OriginsInventory.class), any(OriginStatsFactory.class));
}

Example 24 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class BackendServicesRouterTest method closesClientWhenBackendServicesAreRemoved.

@Test
public void closesClientWhenBackendServicesAreRemoved() {
    BackendServiceClient firstClient = mock(BackendServiceClient.class);
    BackendServiceClient secondClient = mock(BackendServiceClient.class);
    ArgumentCaptor<OriginsInventory> originsInventory = forClass(OriginsInventory.class);
    BackendServiceClientFactory clientFactory = mock(BackendServiceClientFactory.class);
    when(clientFactory.createClient(any(BackendService.class), any(OriginsInventory.class), any(OriginStatsFactory.class))).thenReturn(firstClient).thenReturn(secondClient);
    BackendServicesRouter router = new BackendServicesRouter(clientFactory, environment, executor);
    BackendService bookingApp = appB();
    router.onChange(added(bookingApp));
    verify(clientFactory).createClient(eq(bookingApp), originsInventory.capture(), any(OriginStatsFactory.class));
    router.onChange(removed(bookingApp));
    assertThat(originsInventory.getValue().closed(), is(true));
}

Example 25 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class DashboardDataTest method unsubscribesFromEventBus.

@Test
public void unsubscribesFromEventBus() {
    EventBus eventBus = mock(EventBus.class);
    MemoryBackedRegistry<BackendService> backendServicesRegistry = new MemoryBackedRegistry<>();
    backendServicesRegistry.add(application("app", origin("app-01", "localhost", 9090)));
    backendServicesRegistry.add(application("test", origin("test-01", "localhost", 9090)));
    DashboardData dashbaord = new DashboardData(metricRegistry, backendServicesRegistry, "styx-prod1-presentation-01", new Version("releaseTag"), eventBus);
    // Twice for each backend. One during backend construction, another from BackendServicesRegistry listener callback.
    verify(eventBus, times(4)).register(any(DashboardData.Origin.class));
    dashbaord.unregister();
    verify(eventBus, times(4)).unregister(any(DashboardData.Origin.class));
}