How to use LocalDistributor class of org.openqa.selenium.grid.distributor.local package
Best Selenium code snippet using org.openqa.selenium.grid.distributor.local.LocalDistributor
Source:LocalDistributor.java 
...53import java.util.concurrent.locks.ReadWriteLock;54import java.util.concurrent.locks.ReentrantReadWriteLock;55import java.util.function.Supplier;56import java.util.logging.Logger;57public class LocalDistributor extends Distributor {58 private static final Json JSON = new Json();59 private static final Logger LOG = Logger.getLogger("Selenium Distributor");60 private final ReadWriteLock lock = new ReentrantReadWriteLock(/* fair */ true);61 private final Set<Host> hosts = new HashSet<>();62 private final DistributedTracer tracer;63 private final Regularly hostChecker = new Regularly("distributor host checker");64 private final Map<UUID, Collection<Runnable>> allChecks = new ConcurrentHashMap<>();65 public LocalDistributor(DistributedTracer tracer, HttpClient.Factory httpClientFactory) {66 super(tracer, httpClientFactory);67 this.tracer = Objects.requireNonNull(tracer);68 }69 @Override70 public Session newSession(NewSessionPayload payload) throws SessionNotCreatedException {71 Iterator<Capabilities> allCaps = payload.stream().iterator();72 if (!allCaps.hasNext()) {73 throw new SessionNotCreatedException("No capabilities found");74 }75 Capabilities caps = allCaps.next();76 Optional<Supplier<Session>> selected;77 Lock writeLock = this.lock.writeLock();78 writeLock.lock();79 try {80 selected = this.hosts.stream()81 .filter(host -> host.getHostStatus() == UP)82 // Find a host that supports this kind of thing83 .filter(host -> host.hasCapacity(caps))84 .min(85 // Now sort by node which has the lowest load (natural ordering)86 Comparator.comparingDouble(Host::getLoad)87 // Then last session created (oldest first), so natural ordering again88 .thenComparingLong(Host::getLastSessionCreated)89 // And use the host id as a tie-breaker.90 .thenComparing(Host::getId))91 // And reserve some space92 .map(host -> host.reserve(caps));93 } finally {94 writeLock.unlock();95 }96 return selected97 .orElseThrow(98 () -> new SessionNotCreatedException("Unable to find provider for session: " + allCaps))99 .get();100 }101 @Override102 public LocalDistributor add(Node node) {103 StringBuilder sb = new StringBuilder();104 Lock writeLock = this.lock.writeLock();105 writeLock.lock();106 try (Span span = tracer.createSpan("distributor.add", tracer.getActiveSpan());107 JsonOutput out = JSON.newOutput(sb)) {108 out.setPrettyPrint(false).write(node);109 span.addTag("node", sb.toString());110 // TODO: We should check to see what happens for duplicate nodes.111 Host host = new Host(node);112 hosts.add(host);113 LOG.info(String.format("Added node %s.", node.getId()));114 host.refresh();115 Runnable runnable = host::refresh;116 Collection<Runnable> nodeRunnables = allChecks.getOrDefault(node.getId(), new ArrayList<>());...
Source:EndToEndTest.java
...22import org.openqa.selenium.WebDriver;23import org.openqa.selenium.grid.config.MapConfig;24import org.openqa.selenium.grid.data.Session;25import org.openqa.selenium.grid.distributor.Distributor;26import org.openqa.selenium.grid.distributor.local.LocalDistributor;27import org.openqa.selenium.grid.distributor.remote.RemoteDistributor;28import org.openqa.selenium.grid.node.local.LocalNode;29import org.openqa.selenium.grid.server.BaseServer;30import org.openqa.selenium.grid.server.BaseServerOptions;31import org.openqa.selenium.grid.server.Server;32import org.openqa.selenium.grid.sessionmap.SessionMap;33import org.openqa.selenium.grid.sessionmap.local.LocalSessionMap;34import org.openqa.selenium.grid.sessionmap.remote.RemoteSessionMap;35import org.openqa.selenium.grid.web.CommandHandler;36import org.openqa.selenium.grid.web.Routes;37import org.openqa.selenium.net.PortProber;38import org.openqa.selenium.remote.RemoteWebDriver;39import org.openqa.selenium.remote.SessionId;40import org.openqa.selenium.remote.http.HttpClient;41import org.openqa.selenium.remote.http.HttpRequest;42import org.openqa.selenium.remote.http.HttpResponse;43import org.openqa.selenium.remote.tracing.DistributedTracer;44import java.net.URI;45import java.net.URISyntaxException;46import java.util.UUID;47import java.util.function.Function;48public class EndToEndTest {49 private final Capabilities driverCaps = new ImmutableCapabilities("browserName", "cheese");50 private final DistributedTracer tracer = DistributedTracer.builder().build();51 @Test52 public void inMemory() throws URISyntaxException {53 SessionMap sessions = new LocalSessionMap();54 Distributor distributor = new LocalDistributor(tracer);55 URI nodeUri = new URI("http://localhost:4444");56 LocalNode node = LocalNode.builder(tracer, nodeUri, sessions)57 .add(driverCaps, createFactory(nodeUri))58 .build();59 distributor.add(node);60 Router router = new Router(sessions, distributor);61 Server<?> server = createServer();62 server.addRoute(Routes.matching(router).using(router));63 server.start();64 exerciseDriver(server);65 }66 private void exerciseDriver(Server<?> server) {67 WebDriver driver = new RemoteWebDriver(68 server.getUrl(),69 new ImmutableCapabilities("browserName", "cheese", "type", "cheddar"));70 driver.get("http://www.google.com");71 driver.quit();72 }73 @Test74 public void withServers() throws URISyntaxException {75 LocalSessionMap localSessions = new LocalSessionMap();76 Server<?> sessionServer = createServer();77 sessionServer.addRoute(Routes.matching(localSessions).using(localSessions));78 sessionServer.start();79 SessionMap sessions = new RemoteSessionMap(getClient(sessionServer));80 LocalDistributor localDistributor = new LocalDistributor(tracer);81 Server<?> distributorServer = createServer();82 distributorServer.addRoute(Routes.matching(localDistributor).using(localDistributor));83 distributorServer.start();84 Distributor distributor = new RemoteDistributor(tracer, getClient(distributorServer));85 int port = PortProber.findFreePort();86 URI nodeUri = new URI("http://localhost:" + port);87 LocalNode localNode = LocalNode.builder(tracer, nodeUri, sessions)88 .add(driverCaps, createFactory(nodeUri))89 .build();90 Server<?> nodeServer = new BaseServer<>(91 DistributedTracer.builder().build(),92 new BaseServerOptions(93 new MapConfig(ImmutableMap.of("server", ImmutableMap.of("port", port)))));94 nodeServer.addRoute(Routes.matching(localNode).using(localNode));...
Source:DistributorTest.java
...22import org.openqa.selenium.ImmutableCapabilities;23import org.openqa.selenium.MutableCapabilities;24import org.openqa.selenium.SessionNotCreatedException;25import org.openqa.selenium.grid.data.Session;26import org.openqa.selenium.grid.distributor.local.LocalDistributor;27import org.openqa.selenium.grid.distributor.remote.RemoteDistributor;28import org.openqa.selenium.grid.node.local.LocalNode;29import org.openqa.selenium.grid.sessionmap.local.LocalSessionMap;30import org.openqa.selenium.grid.web.PassthroughHttpClient;31import org.openqa.selenium.remote.NewSessionPayload;32import org.openqa.selenium.remote.SessionId;33import org.openqa.selenium.remote.tracing.DistributedTracer;34import java.net.URI;35import java.net.URISyntaxException;36import java.util.UUID;37public class DistributorTest {38 private DistributedTracer tracer;39 private Distributor local;40 private Distributor distributor;41 private ImmutableCapabilities caps;42 @Before43 public void setUp() {44 tracer = DistributedTracer.builder().build();45 local = new LocalDistributor(tracer);46 distributor = new RemoteDistributor(tracer, new PassthroughHttpClient<>(local));47 caps = new ImmutableCapabilities("browserName", "cheese");48 }49 @Test50 public void creatingANewSessionWithoutANodeEndsInFailure() {51 try (NewSessionPayload payload = NewSessionPayload.create(caps)) {52 assertThatExceptionOfType(SessionNotCreatedException.class)53 .isThrownBy(() -> distributor.newSession(payload));54 }55 }56 @Test57 public void shouldBeAbleToAddANodeAndCreateASession() throws URISyntaxException {58 URI nodeUri = new URI("http://example:5678");59 URI routableUri = new URI("http://localhost:1234");60 LocalSessionMap sessions = new LocalSessionMap();61 LocalNode node = LocalNode.builder(tracer, routableUri, sessions)62 .add(caps, c -> new Session(new SessionId(UUID.randomUUID()), nodeUri, c))63 .build();64 Distributor distributor = new LocalDistributor(tracer);65 distributor.add(node);66 MutableCapabilities sessionCaps = new MutableCapabilities(caps);67 sessionCaps.setCapability("sausages", "gravy");68 try (NewSessionPayload payload = NewSessionPayload.create(sessionCaps)) {69 Session session = distributor.newSession(payload);70 assertThat(session.getCapabilities()).isEqualTo(sessionCaps);71 assertThat(session.getUri()).isEqualTo(routableUri);72 }73 }74 @Test75 public void shouldBeAbleToRemoveANode() throws URISyntaxException {76 URI nodeUri = new URI("http://example:5678");77 URI routableUri = new URI("http://localhost:1234");78 LocalSessionMap sessions = new LocalSessionMap();79 LocalNode node = LocalNode.builder(tracer, routableUri, sessions)80 .add(caps, c -> new Session(new SessionId(UUID.randomUUID()), nodeUri, c))81 .build();82 Distributor local = new LocalDistributor(tracer);83 distributor = new RemoteDistributor(tracer, new PassthroughHttpClient<>(local));84 distributor.add(node);85 distributor.remove(node.getId());86 try (NewSessionPayload payload = NewSessionPayload.create(caps)) {87 assertThatExceptionOfType(SessionNotCreatedException.class)88 .isThrownBy(() -> distributor.newSession(payload));89 }90 }91 @Test92 public void registeringTheSameNodeMultipleTimesOnlyCountsTheFirstTime()93 throws URISyntaxException {94 URI nodeUri = new URI("http://example:5678");95 URI routableUri = new URI("http://localhost:1234");96 LocalSessionMap sessions = new LocalSessionMap();...
Source:Hub.java
...24import org.openqa.selenium.grid.config.ConcatenatingConfig;25import org.openqa.selenium.grid.config.Config;26import org.openqa.selenium.grid.config.EnvConfig;27import org.openqa.selenium.grid.distributor.Distributor;28import org.openqa.selenium.grid.distributor.local.LocalDistributor;29import org.openqa.selenium.grid.node.local.NodeFlags;30import org.openqa.selenium.grid.router.Router;31import org.openqa.selenium.grid.server.BaseServer;32import org.openqa.selenium.grid.server.BaseServerFlags;33import org.openqa.selenium.grid.server.BaseServerOptions;34import org.openqa.selenium.grid.server.HelpFlags;35import org.openqa.selenium.grid.server.Server;36import org.openqa.selenium.grid.server.W3CCommandHandler;37import org.openqa.selenium.grid.sessionmap.SessionMap;38import org.openqa.selenium.grid.sessionmap.local.LocalSessionMap;39import org.openqa.selenium.grid.web.Routes;40import org.openqa.selenium.remote.tracing.DistributedTracer;41@AutoService(CliCommand.class)42public class Hub implements CliCommand {43 @Override44 public String getName() {45 return "hub";46 }47 @Override48 public String getDescription() {49 return "A grid hub, composed of sessions, distributor, and router.";50 }51 @Override52 public Executable configure(String... args) {53 HelpFlags help = new HelpFlags();54 BaseServerFlags baseFlags = new BaseServerFlags(4444);55 NodeFlags nodeFlags = new NodeFlags();56 JCommander commander = JCommander.newBuilder()57 .programName("standalone")58 .addObject(baseFlags)59 .addObject(help)60 .addObject(nodeFlags)61 .build();62 return () -> {63 try {64 commander.parse(args);65 } catch (ParameterException e) {66 System.err.println(e.getMessage());67 commander.usage();68 return;69 }70 if (help.displayHelp(commander, System.out)) {71 return;72 }73 Config config = new CompoundConfig(74 new AnnotatedConfig(help),75 new AnnotatedConfig(baseFlags),76 new EnvConfig(),77 new ConcatenatingConfig("selenium", '.', System.getProperties()));78 DistributedTracer tracer = DistributedTracer.getInstance();79 SessionMap sessions = new LocalSessionMap();80 Distributor distributor = new LocalDistributor(tracer);81 Router router = new Router(sessions, distributor);82 Server<?> server = new BaseServer<>(83 tracer,84 new BaseServerOptions(config));85 server.addRoute(Routes.matching(router).using(router).decorateWith(W3CCommandHandler.class));86 server.start();87 };88 }89}...
Source:DistributorServer.java
...24import org.openqa.selenium.grid.config.ConcatenatingConfig;25import org.openqa.selenium.grid.config.Config;26import org.openqa.selenium.grid.config.EnvConfig;27import org.openqa.selenium.grid.distributor.Distributor;28import org.openqa.selenium.grid.distributor.local.LocalDistributor;29import org.openqa.selenium.grid.server.BaseServer;30import org.openqa.selenium.grid.server.BaseServerFlags;31import org.openqa.selenium.grid.server.BaseServerOptions;32import org.openqa.selenium.grid.server.HelpFlags;33import org.openqa.selenium.grid.server.Server;34import org.openqa.selenium.grid.server.W3CCommandHandler;35import org.openqa.selenium.grid.web.Routes;36import org.openqa.selenium.remote.tracing.DistributedTracer;37@AutoService(CliCommand.class)38public class DistributorServer implements CliCommand {39 @Override40 public String getName() {41 return "distributor";42 }43 @Override44 public String getDescription() {45 return "Adds this server as the distributor in a selenium grid.";46 }47 @Override48 public Executable configure(String... args) {49 HelpFlags help = new HelpFlags();50 BaseServerFlags serverFlags = new BaseServerFlags(5553);51 JCommander commander = JCommander.newBuilder()52 .programName(getName())53 .addObject(help)54 .addObject(serverFlags)55 .build();56 return () -> {57 try {58 commander.parse(args);59 } catch (ParameterException e) {60 System.err.println(e.getMessage());61 commander.usage();62 return;63 }64 if (help.displayHelp(commander, System.out)) {65 return;66 }67 Config config = new CompoundConfig(68 new AnnotatedConfig(help),69 new AnnotatedConfig(serverFlags),70 new EnvConfig(),71 new ConcatenatingConfig("distributor", '.', System.getProperties()));72 DistributedTracer tracer = DistributedTracer.builder()73 .registerDetectedTracers()74 .build();75 Distributor distributor = new LocalDistributor(tracer);76 BaseServerOptions serverOptions = new BaseServerOptions(config);77 Server<?> server = new BaseServer<>(tracer, serverOptions);78 server.addRoute(79 Routes.matching(distributor)80 .using(distributor)81 .decorateWith(W3CCommandHandler.class));82 server.start();83 };84 }85}...
Source:GridModelTest.java
...30 private final EventBus events = new GuavaEventBus();31 private final HttpClient.Factory clientFactory = HttpClient.Factory.createDefault();32 private final SessionMap sessions = new LocalSessionMap(tracer, events);33 private final Secret secret = new Secret("cheese");34 private final Distributor distributor = new LocalDistributor(tracer, events, clientFactory, sessions, secret);35 @Test36 public void shouldNotChangeTheStateOfANodeMarkedAsDownWhenNodeStatusEventFires() {37 }38}...
LocalDistributor
Using AI Code Generation
1package org.openqa.selenium.grid.distributor.local;2import org.openqa.selenium.grid.distributor.Distributor;3import org.openqa.selenium.grid.distributor.DistributorOptions;4import org.openqa.selenium.grid.node.local.LocalNode;5import org.openqa.selenium.grid.node.local.LocalNodeOptions;6import org.openqa.selenium.grid.web.Routable;7import org.openqa.selenium.grid.web.Routes;8import org.openqa.selenium.net.PortProber;9import org.openqa.selenium.remote.http.HttpClient;10import org.openqa.selenium.remote.http.HttpHandler;11import org.openqa.selenium.remote.http.HttpRequest;12import org.openqa.selenium.remote.http.HttpResponse;13import java.net.URI;14import java.util.Objects;15public class LocalDistributor implements Distributor {16 private final LocalNode node;17 public LocalDistributor(HttpClient.Factory clientFactory, DistributorOptions options) {18 Objects.requireNonNull(clientFactory, "HTTP client factory to use must be set.");19 Objects.requireNonNull(options, "Distributor options to use must be set.");20 LocalNodeOptions nodeOptions = new LocalNodeOptions(options);21 nodeOptions.setPort(PortProber.findFreePort());22 nodeOptions.setMaxSession(1);23 this.node = new LocalNode(clientFactory, nodeOptions);24 }25 public URI getUri() {26 return node.getUri();27 }28 public HttpHandler getHandler() {29 return new HttpHandler() {30 public HttpResponse execute(HttpRequest req) throws Exception {31 return node.getHandler().execute(req);32 }33 };34 }35 public void start() {36 node.start();37 }38 public void stop() {39 node.stop();40 }41}42package org.openqa.selenium.grid.distributor.local;43import org.openqa.selenium.grid.config.Config;44import org.openqa.selenium.grid.config.ConfigException;45import org.openqa.selenium.grid.config.MemoizedConfig;46import org.openqa.selenium.grid.distributor.Distributor;47import org.openqa.selenium.grid.distributor.DistributorFactory;48import org.openqa.selenium.grid.distributor.DistributorOptions;49import org.openqa.selenium.grid.node.local.LocalNode;50import org.openqa.selenium.grid.node.local.LocalNodeOptions;51import org.openqa.selenium.grid.web.Routable;52import org.openqa.selenium.grid.web.Routes;53import org.openqa.selenium.net.PortProber;54import org.openqa.selenium.remote.http.HttpClient;55import org.openqa.selenium.remote.http.HttpHandler;56import org.openqa.selenium.remote
LocalDistributor
Using AI Code Generation
1LocalDistributor localDistributor = new LocalDistributor();2Distributor distributor = localDistributor.get();3LocalDistributor localDistributor = new LocalDistributor();4Distributor distributor = localDistributor.get();5public void test() throws MalformedURLException {6 DesiredCapabilities caps = DesiredCapabilities.chrome();7 caps.setCapability("platform", "Windows 10");8 caps.setCapability("version", "latest");9 String sessionId = ((RemoteWebDriver) driver).getSessionId().toString();10 System.out.println(sessionId);11 driver.quit();12}13public void test() throws MalformedURLException {14 DesiredCapabilities caps = DesiredCapabilities.chrome();15 caps.setCapability("platform", "Windows 10");16 caps.setCapability("version", "latest");17 String sessionId = ((RemoteWebDriver) driver).getSessionId().toString();18 System.out.println(sessionId);19 driver.quit();20 System.out.println(sessionId);21}
LocalDistributor
Using AI Code Generation
1LocalDistributor localDistributor = new LocalDistributor(new DefaultDistributorConfig());2Distributor distributor = localDistributor.get();3DockerDistributor dockerDistributor = new DockerDistributor(new DefaultDistributorConfig());4Distributor distributor = dockerDistributor.get();5KubernetesDistributor kubernetesDistributor = new KubernetesDistributor(new DefaultDistributorConfig());6Distributor distributor = kubernetesDistributor.get();7SeleniumDistributor seleniumDistributor = new SeleniumDistributor(new DefaultDistributorConfig());8Distributor distributor = seleniumDistributor.get();9SauceLabsDistributor sauceLabsDistributor = new SauceLabsDistributor(new DefaultDistributorConfig());10Distributor distributor = sauceLabsDistributor.get();11TestingBotDistributor testingBotDistributor = new TestingBotDistributor(new DefaultDistributorConfig());12Distributor distributor = testingBotDistributor.get();13BrowserStackDistributor browserStackDistributor = new BrowserStackDistributor(new DefaultDistributorConfig());14Distributor distributor = browserStackDistributor.get();15LambdaDistributor lambdaDistributor = new LambdaDistributor(new DefaultDistributorConfig());16Distributor distributor = lambdaDistributor.get();17LambdaDistributor lambdaDistributor = new LambdaDistributor(new DefaultDistributorConfig());18Distributor distributor = lambdaDistributor.get();19LambdaDistributor lambdaDistributor = new LambdaDistributor(new DefaultDistributorConfig());20Distributor distributor = lambdaDistributor.get();21LambdaDistributor lambdaDistributor = new LambdaDistributor(new DefaultDistributorConfig());22Distributor distributor = lambdaDistributor.get();
LocalDistributor
Using AI Code Generation
1import org.openqa.selenium.grid.distributor.Distributor;2import org.openqa.selenium.grid.distributor.local.LocalDistributor;3import org.openqa.selenium.grid.distributor.remote.RemoteDistributor;4import org.openqa.selenium.grid.server.BaseServerOptions;5import org.openqa.selenium.grid.server.Server;6import org.openqa.selenium.grid.server.ServerFlags;7import org.openqa.selenium.grid.server.StandaloneServer;8import org.openqa.selenium.grid.web.Routable;9import org.openqa.selenium.remote.http.HttpHandler;10import org.openqa.selenium.remote.http.Route;11import org.openqa.selenium.remote.tracing.Tracer;12import org.openqa.selenium.remote.tracing.opentelemetry.OpenTelemetryTracer;13import java.util.Objects;14import java.util.ServiceLoader;15import java.util.logging.Logger;16public class LocalDistributorServer implements Server {17 private static final Logger LOG = Logger.getLogger(LocalDistributorServer.class.getName());18 private final StandaloneServer server;19 public LocalDistributorServer(Tracer tracer, BaseServerOptions options) {20 Objects.requireNonNull(tracer);21 Objects.requireNonNull(options);22 LocalDistributor distributor = new LocalDistributor(tracer);23 server = new StandaloneServer(24 new DistributorAddRoutes(distributor),25 new DistributorAddToServer(distributor));26 }27 public void start() {28 server.start();29 }30 public void stop() {31 server.stop();32 }33 private static class DistributorAddRoutes implements Routable {34 private final Distributor distributor;35 DistributorAddRoutes(Distributor distributor) {36 this.distributor = Objects.requireNonNull(distributor);37 }38 public void addRoutes(Route route) {39 .get("/status", (req, res) -> distributor.getStatus())40 .post("/se/grid/distributor/session", (req, res) -> distributor.newSession(req));41 }42 }43 private static class DistributorAddToServer implements HttpHandler {44 private final Distributor distributor;45 DistributorAddToServer(Distributor distributor) {46 this.distributor = Objects.requireNonNull(distributor);47 }48 public void execute(org.openqa.selenium.remote.http.HttpRequest req, org.openqa.selenium.remote.http.HttpResponse res) {49 if (req.getUri().startsWith("/se/grid/distributor")) {50 distributor.execute(req, res);51 }52 }53 }54 public static void main(String[] args)
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