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How to use DefaultSlotSelector class of org.openqa.selenium.grid.distributor.selector package
Best Selenium code snippet using org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector
Source:LocalDistributorTest.java 
...29import org.openqa.selenium.grid.data.NodeStatusEvent;30import org.openqa.selenium.grid.data.RequestId;31import org.openqa.selenium.grid.data.Session;32import org.openqa.selenium.grid.distributor.Distributor;33import org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector;34import org.openqa.selenium.grid.node.Node;35import org.openqa.selenium.grid.node.local.LocalNode;36import org.openqa.selenium.grid.security.Secret;37import org.openqa.selenium.grid.sessionmap.local.LocalSessionMap;38import org.openqa.selenium.grid.sessionqueue.NewSessionQueue;39import org.openqa.selenium.grid.data.SessionRequest;40import org.openqa.selenium.grid.sessionqueue.local.LocalNewSessionQueue;41import org.openqa.selenium.grid.testing.TestSessionFactory;42import org.openqa.selenium.internal.Either;43import org.openqa.selenium.remote.HttpSessionId;44import org.openqa.selenium.remote.SessionId;45import org.openqa.selenium.remote.http.HttpClient;46import org.openqa.selenium.remote.http.HttpHandler;47import org.openqa.selenium.remote.http.HttpRequest;48import org.openqa.selenium.remote.http.HttpResponse;49import org.openqa.selenium.remote.tracing.DefaultTestTracer;50import org.openqa.selenium.remote.tracing.Tracer;51import java.io.UncheckedIOException;52import java.net.URI;53import java.net.URISyntaxException;54import java.time.Duration;55import java.time.Instant;56import java.util.ArrayList;57import java.util.List;58import java.util.Map;59import java.util.Optional;60import java.util.Set;61import java.util.UUID;62import java.util.concurrent.Callable;63import java.util.concurrent.Executors;64import java.util.concurrent.Future;65import java.util.concurrent.TimeUnit;66import static org.assertj.core.api.Assertions.assertThat;67import static org.assertj.core.api.Assertions.fail;68import static org.openqa.selenium.grid.data.Availability.DRAINING;69import static org.openqa.selenium.remote.Dialect.W3C;70import static org.openqa.selenium.remote.http.HttpMethod.GET;71public class LocalDistributorTest {72 private final Secret registrationSecret = new Secret("bavarian smoked");73 private Tracer tracer;74 private EventBus bus;75 private HttpClient.Factory clientFactory;76 private URI uri;77 private Node localNode;78 @Before79 public void setUp() throws URISyntaxException {80 tracer = DefaultTestTracer.createTracer();81 bus = new GuavaEventBus();82 clientFactory = HttpClient.Factory.createDefault();83 Capabilities caps = new ImmutableCapabilities("browserName", "cheese");84 uri = new URI("http://localhost:1234");85 localNode = LocalNode.builder(tracer, bus, uri, uri, registrationSecret)86 .add(caps, new TestSessionFactory((id, c) -> new Handler(c)))87 .maximumConcurrentSessions(2)88 .build();89 }90 @Test91 public void testAddNodeToDistributor() {92 NewSessionQueue queue = new LocalNewSessionQueue(93 tracer,94 bus,95 new DefaultSlotMatcher(),96 Duration.ofSeconds(2),97 Duration.ofSeconds(2),98 registrationSecret);99 Distributor distributor = new LocalDistributor(100 tracer,101 bus,102 clientFactory,103 new LocalSessionMap(tracer, bus),104 queue,105 new DefaultSlotSelector(),106 registrationSecret,107 Duration.ofMinutes(5),108 false);109 distributor.add(localNode);110 DistributorStatus status = distributor.getStatus();111 //Check the size112 final Set<NodeStatus> nodes = status.getNodes();113 assertThat(nodes.size()).isEqualTo(1);114 //Check a couple attributes115 NodeStatus distributorNode = nodes.iterator().next();116 assertThat(distributorNode.getId()).isEqualByComparingTo(localNode.getId());117 assertThat(distributorNode.getUri()).isEqualTo(uri);118 }119 @Test120 public void testShouldNotAddNodeWithWrongSecret() {121 Secret secret = new Secret("my_secret");122 NewSessionQueue queue = new LocalNewSessionQueue(123 tracer,124 bus,125 new DefaultSlotMatcher(),126 Duration.ofSeconds(2),127 Duration.ofSeconds(2),128 registrationSecret);129 Distributor secretDistributor = new LocalDistributor(130 tracer,131 bus,132 clientFactory,133 new LocalSessionMap(tracer, bus),134 queue,135 new DefaultSlotSelector(),136 secret,137 Duration.ofMinutes(5),138 false);139 bus.fire(new NodeStatusEvent(localNode.getStatus()));140 DistributorStatus status = secretDistributor.getStatus();141 //Check the size142 final Set<NodeStatus> nodes = status.getNodes();143 assertThat(nodes.size()).isEqualTo(0);144 }145 @Test146 public void testRemoveNodeFromDistributor() {147 NewSessionQueue queue = new LocalNewSessionQueue(148 tracer,149 bus,150 new DefaultSlotMatcher(),151 Duration.ofSeconds(2),152 Duration.ofSeconds(2),153 registrationSecret);154 Distributor distributor = new LocalDistributor(155 tracer,156 bus,157 clientFactory,158 new LocalSessionMap(tracer, bus),159 queue,160 new DefaultSlotSelector(),161 registrationSecret,162 Duration.ofMinutes(5),163 false);164 distributor.add(localNode);165 //Check the size166 DistributorStatus statusBefore = distributor.getStatus();167 final Set<NodeStatus> nodesBefore = statusBefore.getNodes();168 assertThat(nodesBefore.size()).isEqualTo(1);169 //Recheck the status--should be zero170 distributor.remove(localNode.getId());171 DistributorStatus statusAfter = distributor.getStatus();172 final Set<NodeStatus> nodesAfter = statusAfter.getNodes();173 assertThat(nodesAfter.size()).isEqualTo(0);174 }175 @Test176 public void testAddSameNodeTwice() {177 NewSessionQueue queue = new LocalNewSessionQueue(178 tracer,179 bus,180 new DefaultSlotMatcher(),181 Duration.ofSeconds(2),182 Duration.ofSeconds(2),183 registrationSecret);184 Distributor distributor = new LocalDistributor(185 tracer,186 bus,187 clientFactory,188 new LocalSessionMap(tracer, bus),189 queue,190 new DefaultSlotSelector(),191 registrationSecret,192 Duration.ofMinutes(5),193 false);194 distributor.add(localNode);195 distributor.add(localNode);196 DistributorStatus status = distributor.getStatus();197 //Should only be one node after dupe check198 final Set<NodeStatus> nodes = status.getNodes();199 assertThat(nodes.size()).isEqualTo(1);200 }201 @Test202 public void shouldBeAbleToAddMultipleSessionsConcurrently() throws Exception {203 NewSessionQueue queue = new LocalNewSessionQueue(204 tracer,205 bus,206 new DefaultSlotMatcher(),207 Duration.ofSeconds(2),208 Duration.ofSeconds(2),209 registrationSecret);210 LocalDistributor distributor = new LocalDistributor(211 tracer,212 bus,213 clientFactory,214 new LocalSessionMap(tracer, bus),215 queue,216 new DefaultSlotSelector(),217 registrationSecret,218 Duration.ofMinutes(5),219 false);220 // Add one node to ensure that everything is created in that.221 Capabilities caps = new ImmutableCapabilities("browserName", "cheese");222 class VerifyingHandler extends Session implements HttpHandler {223 private VerifyingHandler(SessionId id, Capabilities capabilities) {224 super(id, uri, new ImmutableCapabilities(), capabilities, Instant.now());225 }226 @Override227 public HttpResponse execute(HttpRequest req) {228 Optional<SessionId> id = HttpSessionId.getSessionId(req.getUri()).map(SessionId::new);229 assertThat(id).isEqualTo(Optional.of(getId()));230 return new HttpResponse();231 }232 }233 // Only use one node.234 Node node = LocalNode.builder(tracer, bus, uri, uri, registrationSecret)235 .add(caps, new TestSessionFactory(VerifyingHandler::new))236 .add(caps, new TestSessionFactory(VerifyingHandler::new))237 .add(caps, new TestSessionFactory(VerifyingHandler::new))238 .maximumConcurrentSessions(3)239 .build();240 distributor.add(node);241 SessionRequest sessionRequest =242 new SessionRequest(243 new RequestId(UUID.randomUUID()),244 Instant.now(),245 Set.of(W3C),246 Set.of(new ImmutableCapabilities("browserName", "cheese")),247 Map.of(),248 Map.of());249 List<Callable<SessionId>> callables = new ArrayList<>();250 for (int i = 0; i < 3; i++) {251 callables.add(() -> {252 Either<SessionNotCreatedException, CreateSessionResponse> result =253 distributor.newSession(sessionRequest);254 if (result.isRight()) {255 CreateSessionResponse res = result.right();256 assertThat(res.getSession().getCapabilities().getBrowserName()).isEqualTo("cheese");257 return res.getSession().getId();258 } else {259 fail("Session creation failed", result.left());260 }261 return null;262 });263 }264 List<Future<SessionId>> futures = Executors.newFixedThreadPool(3).invokeAll(callables);265 for (Future<SessionId> future : futures) {266 SessionId id = future.get(2, TimeUnit.SECONDS);267 // Now send a random command.268 HttpResponse res = node.execute(new HttpRequest(GET, String.format("/session/%s/url", id)));269 assertThat(res.isSuccessful()).isTrue();270 }271 }272 @Test273 public void testDrainNodeFromDistributor() {274 NewSessionQueue queue = new LocalNewSessionQueue(275 tracer,276 bus,277 new DefaultSlotMatcher(),278 Duration.ofSeconds(2),279 Duration.ofSeconds(2),280 registrationSecret);281 Distributor distributor = new LocalDistributor(282 tracer,283 bus,284 clientFactory,285 new LocalSessionMap(tracer, bus),286 queue,287 new DefaultSlotSelector(),288 registrationSecret,289 Duration.ofMinutes(5),290 false);291 distributor.add(localNode);292 assertThat(localNode.isDraining()).isFalse();293 //Check the size - there should be one node294 DistributorStatus statusBefore = distributor.getStatus();295 Set<NodeStatus> nodesBefore = statusBefore.getNodes();296 assertThat(nodesBefore.size()).isEqualTo(1);297 NodeStatus nodeBefore = nodesBefore.iterator().next();298 assertThat(nodeBefore.getAvailability()).isNotEqualTo(DRAINING);299 distributor.drain(localNode.getId());300 assertThat(localNode.isDraining()).isTrue();301 //Recheck the status - there should still be no node, it is removed302 DistributorStatus statusAfter = distributor.getStatus();303 Set<NodeStatus> nodesAfter = statusAfter.getNodes();304 assertThat(nodesAfter.size()).isEqualTo(0);305 }306 @Test307 public void testDrainNodeFromNode() {308 assertThat(localNode.isDraining()).isFalse();309 NewSessionQueue queue = new LocalNewSessionQueue(310 tracer,311 bus,312 new DefaultSlotMatcher(),313 Duration.ofSeconds(2),314 Duration.ofSeconds(2),315 registrationSecret);316 Distributor distributor = new LocalDistributor(317 tracer,318 bus,319 clientFactory,320 new LocalSessionMap(tracer, bus),321 queue,322 new DefaultSlotSelector(),323 registrationSecret,324 Duration.ofMinutes(5),325 false);326 distributor.add(localNode);327 localNode.drain();328 assertThat(localNode.isDraining()).isTrue();329 }330 private class Handler extends Session implements HttpHandler {331 private Handler(Capabilities capabilities) {332 super(new SessionId(UUID.randomUUID()), uri, new ImmutableCapabilities(), capabilities, Instant.now());333 }334 @Override335 public HttpResponse execute(HttpRequest req) throws UncheckedIOException {336 return new HttpResponse();...
Source:NewSessionCreationTest.java
...30import org.openqa.selenium.grid.data.DefaultSlotMatcher;31import org.openqa.selenium.grid.data.Session;32import org.openqa.selenium.grid.distributor.Distributor;33import org.openqa.selenium.grid.distributor.local.LocalDistributor;34import org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector;35import org.openqa.selenium.grid.node.Node;36import org.openqa.selenium.grid.node.local.LocalNode;37import org.openqa.selenium.grid.security.Secret;38import org.openqa.selenium.grid.server.BaseServerOptions;39import org.openqa.selenium.grid.server.Server;40import org.openqa.selenium.grid.sessionmap.SessionMap;41import org.openqa.selenium.grid.sessionmap.local.LocalSessionMap;42import org.openqa.selenium.grid.sessionqueue.NewSessionQueue;43import org.openqa.selenium.grid.sessionqueue.local.LocalNewSessionQueue;44import org.openqa.selenium.grid.testing.TestSessionFactory;45import org.openqa.selenium.grid.web.CombinedHandler;46import org.openqa.selenium.grid.web.EnsureSpecCompliantHeaders;47import org.openqa.selenium.netty.server.NettyServer;48import org.openqa.selenium.remote.http.Contents;49import org.openqa.selenium.remote.http.HttpClient;50import org.openqa.selenium.remote.http.HttpRequest;51import org.openqa.selenium.remote.http.HttpResponse;52import org.openqa.selenium.remote.http.Routable;53import org.openqa.selenium.remote.tracing.DefaultTestTracer;54import org.openqa.selenium.remote.tracing.Tracer;55import org.openqa.selenium.testing.drivers.Browser;56import java.net.URI;57import java.net.URISyntaxException;58import java.time.Duration;59import java.time.Instant;60import java.util.concurrent.atomic.AtomicInteger;61import static java.net.HttpURLConnection.HTTP_INTERNAL_ERROR;62import static org.assertj.core.api.Assertions.assertThat;63import static org.openqa.selenium.json.Json.JSON_UTF_8;64import static org.openqa.selenium.remote.http.Contents.asJson;65import static org.openqa.selenium.remote.http.HttpMethod.POST;66public class NewSessionCreationTest {67 private Tracer tracer;68 private EventBus events;69 private HttpClient.Factory clientFactory;70 private Secret registrationSecret;71 private Server<?> server;72 @Before73 public void setup() {74 tracer = DefaultTestTracer.createTracer();75 events = new GuavaEventBus();76 clientFactory = HttpClient.Factory.createDefault();77 registrationSecret = new Secret("hereford hop");78 }79 @After80 public void stopServer() {81 server.stop();82 }83 @Test84 public void ensureJsCannotCreateANewSession() throws URISyntaxException {85 SessionMap sessions = new LocalSessionMap(tracer, events);86 NewSessionQueue queue = new LocalNewSessionQueue(87 tracer,88 events,89 new DefaultSlotMatcher(),90 Duration.ofSeconds(2),91 Duration.ofSeconds(2),92 registrationSecret);93 Distributor distributor = new LocalDistributor(94 tracer,95 events,96 clientFactory,97 sessions,98 queue,99 new DefaultSlotSelector(),100 registrationSecret,101 Duration.ofMinutes(5),102 false);103 Routable router = new Router(tracer, clientFactory, sessions, queue, distributor)104 .with(new EnsureSpecCompliantHeaders(ImmutableList.of(), ImmutableSet.of()));105 server = new NettyServer(106 new BaseServerOptions(new MapConfig(ImmutableMap.of())),107 router,108 new ProxyCdpIntoGrid(clientFactory, sessions))109 .start();110 URI uri = server.getUrl().toURI();111 Node node = LocalNode.builder(112 tracer,113 events,114 uri,115 uri,116 registrationSecret)117 .add(118 Browser.detect().getCapabilities(),119 new TestSessionFactory(120 (id, caps) ->121 new Session(id, uri, Browser.detect().getCapabilities(), caps, Instant.now())))122 .build();123 distributor.add(node);124 try (HttpClient client = HttpClient.Factory.createDefault().createClient(server.getUrl())) {125 // Attempt to create a session with an origin header but content type set126 HttpResponse res = client.execute(127 new HttpRequest(POST, "/session")128 .addHeader("Content-Type", JSON_UTF_8)129 .addHeader("Origin", "localhost")130 .setContent(Contents.asJson(ImmutableMap.of(131 "capabilities", ImmutableMap.of(132 "alwaysMatch", Browser.detect().getCapabilities())))));133 assertThat(res.getStatus()).isEqualTo(HTTP_INTERNAL_ERROR);134 // And now make sure the session is just fine135 res = client.execute(136 new HttpRequest(POST, "/session")137 .addHeader("Content-Type", JSON_UTF_8)138 .setContent(Contents.asJson(ImmutableMap.of(139 "capabilities", ImmutableMap.of(140 "alwaysMatch", Browser.detect().getCapabilities())))));141 assertThat(res.isSuccessful()).isTrue();142 }143 }144 @Test145 public void shouldNotRetryNewSessionRequestOnUnexpectedError() throws URISyntaxException {146 Capabilities capabilities = new ImmutableCapabilities("browserName", "cheese");147 URI nodeUri = new URI("http://localhost:4444");148 CombinedHandler handler = new CombinedHandler();149 SessionMap sessions = new LocalSessionMap(tracer, events);150 handler.addHandler(sessions);151 NewSessionQueue queue = new LocalNewSessionQueue(152 tracer,153 events,154 new DefaultSlotMatcher(),155 Duration.ofSeconds(2),156 Duration.ofSeconds(10),157 registrationSecret);158 handler.addHandler(queue);159 Distributor distributor = new LocalDistributor(160 tracer,161 events,162 clientFactory,163 sessions,164 queue,165 new DefaultSlotSelector(),166 registrationSecret,167 Duration.ofMinutes(5),168 false);169 handler.addHandler(distributor);170 AtomicInteger count = new AtomicInteger();171 // First session creation attempt throws an error.172 // Does not reach second attempt.173 TestSessionFactory sessionFactory = new TestSessionFactory((id, caps) -> {174 if (count.get() == 0) {175 count.incrementAndGet();176 throw new SessionNotCreatedException("Expected the exception");177 } else {178 return new Session(179 id,180 nodeUri,181 new ImmutableCapabilities(),182 caps,183 Instant.now());184 }185 });186 LocalNode localNode = LocalNode.builder(tracer, events, nodeUri, nodeUri, registrationSecret)187 .add(capabilities, sessionFactory).build();188 handler.addHandler(localNode);189 distributor.add(localNode);190 Router router = new Router(tracer, clientFactory, sessions, queue, distributor);191 handler.addHandler(router);192 server = new NettyServer(193 new BaseServerOptions(194 new MapConfig(ImmutableMap.of())),195 handler);196 server.start();197 HttpRequest request = new HttpRequest(POST, "/session");198 request.setContent(asJson(199 ImmutableMap.of(200 "capabilities", ImmutableMap.of(201 "alwaysMatch", capabilities))));202 HttpClient client = clientFactory.createClient(server.getUrl());203 HttpResponse httpResponse = client.execute(request);204 assertThat(httpResponse.getStatus()).isEqualTo(HTTP_INTERNAL_ERROR);205 }206 @Test(timeout = 5000L)207 public void shouldRejectRequestForUnsupportedCaps() throws URISyntaxException {208 Capabilities capabilities = new ImmutableCapabilities("browserName", "cheese");209 URI nodeUri = new URI("http://localhost:4444");210 CombinedHandler handler = new CombinedHandler();211 SessionMap sessions = new LocalSessionMap(tracer, events);212 handler.addHandler(sessions);213 NewSessionQueue queue = new LocalNewSessionQueue(214 tracer,215 events,216 new DefaultSlotMatcher(),217 Duration.ofSeconds(5),218 Duration.ofSeconds(60),219 registrationSecret);220 handler.addHandler(queue);221 Distributor distributor = new LocalDistributor(222 tracer,223 events,224 clientFactory,225 sessions,226 queue,227 new DefaultSlotSelector(),228 registrationSecret,229 Duration.ofMinutes(5),230 true);231 handler.addHandler(distributor);232 TestSessionFactory sessionFactory = new TestSessionFactory((id, caps) ->233 new Session(234 id,235 nodeUri,236 new ImmutableCapabilities(),237 caps,238 Instant.now())239 );240 LocalNode localNode = LocalNode.builder(tracer, events, nodeUri, nodeUri, registrationSecret)241 .add(capabilities, sessionFactory).build();...
Source:DefaultSlotSelectorTest.java
...52import java.util.stream.IntStream;53import java.util.stream.Stream;54import static org.assertj.core.api.Assertions.assertThat;55import static org.openqa.selenium.grid.data.Availability.UP;56public class DefaultSlotSelectorTest {57 private Tracer tracer;58 private EventBus bus;59 private URI uri;60 private Random random = new Random();61 @Before62 public void setUp() throws URISyntaxException {63 tracer = DefaultTestTracer.createTracer();64 bus = new GuavaEventBus();65 uri = new URI("http://localhost:1234");66 }67 @Test68 public void testGetPrioritizedNodeBuckets() {69 //build a bunch of nodes, using real values70 Set<NodeStatus> nodes = new HashSet<>();71 //Create 1 node that has edge, chrome, and firefox72 nodes.add(createNode("edge", "firefox", "chrome"));73 //Create 5 nodes that only have Chrome and Firefox74 IntStream.range(0, 4).forEach(ignore -> nodes.add(createNode("chrome", "firefox")));75 DefaultSlotSelector selector = new DefaultSlotSelector();76 //When you prioritize for Edge, you should only have 1 possibility77 Stream<NodeStatus> edgeNodes = nodes.stream()78 .filter(host -> host.hasCapacity(new ImmutableCapabilities("browserName", "edge")));79 Stream<NodeStatus> edgeStream = selector.getPrioritizedNodeStream(edgeNodes, new ImmutableCapabilities("browserName", "edge"))80 .filter(host -> host.hasCapacity(new ImmutableCapabilities("browserName", "edge")));81 assertThat(edgeStream.count()).isEqualTo(1);82 //When you prioritize for Chrome or Firefox, the Edge node will be removed, leaving 483 Stream<NodeStatus> chromeNodes = nodes.stream()84 .filter(host -> host.hasCapacity(new ImmutableCapabilities("browserName", "chrome")));85 Stream<NodeStatus> chromeStream = selector.getPrioritizedNodeStream(chromeNodes, new ImmutableCapabilities("browserName", "chrome"))86 .filter(host -> host.hasCapacity(new ImmutableCapabilities("browserName", "chrome")));87 assertThat(chromeStream.count()).isEqualTo(4);88 Stream<NodeStatus> firefoxNodes = nodes.stream()89 .filter(host -> host.hasCapacity(new ImmutableCapabilities("browserName", "firefox")));90 Stream<NodeStatus> firefoxStream = selector.getPrioritizedNodeStream(firefoxNodes, new ImmutableCapabilities("browserName", "firefox"))91 .filter(host -> host.hasCapacity(new ImmutableCapabilities("browserName", "firefox")));92 assertThat(firefoxStream.count()).isEqualTo(4);93 }94 @Test95 public void testAllBucketsSameSize() {96 Map<String, Set<NodeStatus>> buckets = buildBuckets(5, 5, 5, 5, 5, 5, 5, 5, 5, 5);97 DefaultSlotSelector selector = new DefaultSlotSelector();98 assertThat(selector.allBucketsSameSize(buckets)).isTrue();99 }100 @Test101 public void testAllBucketsNotSameSize() {102 Map<String, Set<NodeStatus>> buckets = buildBuckets(3, 5, 8 );103 DefaultSlotSelector selector = new DefaultSlotSelector();104 assertThat(selector.allBucketsSameSize(buckets)).isFalse();105 }106 @Test107 public void testOneBucketStillConsideredSameSize() {108 Map<String, Set<NodeStatus>> buckets = buildBuckets(3 );109 DefaultSlotSelector selector = new DefaultSlotSelector();110 assertThat(selector.allBucketsSameSize(buckets)).isTrue();111 }112 @Test113 public void testAllBucketsNotSameSizeProveNotUsingAverage() {114 //Make sure the numbers don't just average out to the same size115 Map<String, Set<NodeStatus>> buckets = buildBuckets(4, 5, 6 );116 DefaultSlotSelector selector = new DefaultSlotSelector();117 assertThat(selector.allBucketsSameSize(buckets)).isFalse();118 }119 @Test120 public void theMostLightlyLoadedNodeIsSelectedFirst() {121 // Create enough hosts so that we avoid the scheduler returning hosts in:122 // * insertion order123 // * reverse insertion order124 // * sorted with most heavily used first125 Capabilities caps = new ImmutableCapabilities("cheese", "beyaz peynir");126 NodeStatus lightest = createNode(caps, 10, 0);127 NodeStatus medium = createNode(caps, 10, 4);128 NodeStatus heavy = createNode(caps, 10, 6);129 NodeStatus massive = createNode(caps, 10, 8);130 SlotSelector selector = new DefaultSlotSelector();131 Set<SlotId> ids = selector.selectSlot(caps, ImmutableSet.of(heavy, medium, lightest, massive));132 SlotId expected = ids.iterator().next();133 assertThat(lightest.getSlots().stream()).anyMatch(slot -> expected.equals(slot.getId()));134 }135 private NodeStatus createNode(Capabilities stereotype, int count, int currentLoad) {136 NodeId nodeId = new NodeId(UUID.randomUUID());137 URI uri = createUri();138 Set<Slot> slots = new HashSet<>();139 for (int i = 0; i < currentLoad; i++) {140 Instant now = Instant.now();141 slots.add(142 new Slot(143 new SlotId(nodeId, UUID.randomUUID()),144 stereotype,...
Source:RouterTest.java
...25import org.openqa.selenium.grid.data.DefaultSlotMatcher;26import org.openqa.selenium.grid.data.Session;27import org.openqa.selenium.grid.distributor.Distributor;28import org.openqa.selenium.grid.distributor.local.LocalDistributor;29import org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector;30import org.openqa.selenium.grid.node.HealthCheck;31import org.openqa.selenium.grid.node.Node;32import org.openqa.selenium.grid.node.local.LocalNode;33import org.openqa.selenium.grid.security.Secret;34import org.openqa.selenium.grid.sessionmap.SessionMap;35import org.openqa.selenium.grid.sessionmap.local.LocalSessionMap;36import org.openqa.selenium.grid.sessionqueue.NewSessionQueue;37import org.openqa.selenium.grid.sessionqueue.local.LocalNewSessionQueue;38import org.openqa.selenium.grid.testing.PassthroughHttpClient;39import org.openqa.selenium.grid.testing.TestSessionFactory;40import org.openqa.selenium.grid.web.CombinedHandler;41import org.openqa.selenium.grid.web.Values;42import org.openqa.selenium.remote.http.HttpClient;43import org.openqa.selenium.remote.http.HttpRequest;44import org.openqa.selenium.remote.http.HttpResponse;45import org.openqa.selenium.remote.tracing.DefaultTestTracer;46import org.openqa.selenium.remote.tracing.Tracer;47import org.openqa.selenium.support.ui.FluentWait;48import java.net.URI;49import java.net.URISyntaxException;50import java.time.Duration;51import java.time.Instant;52import java.util.Map;53import java.util.concurrent.atomic.AtomicReference;54import static org.junit.Assert.assertFalse;55import static org.junit.Assert.assertNotNull;56import static org.openqa.selenium.grid.data.Availability.DOWN;57import static org.openqa.selenium.grid.data.Availability.UP;58import static org.openqa.selenium.json.Json.MAP_TYPE;59import static org.openqa.selenium.remote.http.HttpMethod.GET;60public class RouterTest {61 private Tracer tracer;62 private EventBus bus;63 private CombinedHandler handler;64 private SessionMap sessions;65 private NewSessionQueue queue;66 private Distributor distributor;67 private Router router;68 private Secret registrationSecret;69 @Before70 public void setUp() {71 tracer = DefaultTestTracer.createTracer();72 bus = new GuavaEventBus();73 handler = new CombinedHandler();74 HttpClient.Factory clientFactory = new PassthroughHttpClient.Factory(handler);75 sessions = new LocalSessionMap(tracer, bus);76 handler.addHandler(sessions);77 registrationSecret = new Secret("stinking bishop");78 queue = new LocalNewSessionQueue(79 tracer,80 bus,81 new DefaultSlotMatcher(),82 Duration.ofSeconds(2),83 Duration.ofSeconds(2),84 registrationSecret);85 handler.addHandler(queue);86 distributor = new LocalDistributor(87 tracer,88 bus,89 clientFactory,90 sessions,91 queue,92 new DefaultSlotSelector(),93 registrationSecret,94 Duration.ofMinutes(5),95 false);96 handler.addHandler(distributor);97 router = new Router(tracer, clientFactory, sessions, queue, distributor);98 }99 @Test100 public void shouldListAnEmptyDistributorAsMeaningTheGridIsNotReady() {101 Map<String, Object> status = getStatus(router);102 assertFalse((Boolean) status.get("ready"));103 }104 @Test105 public void addingANodeThatIsDownMeansTheGridIsNotReady() throws URISyntaxException {106 Capabilities capabilities = new ImmutableCapabilities("cheese", "peas");...
Source:DistributorOptions.java
...30 static final String DEFAULT_DISTRIBUTOR_IMPLEMENTATION =31 "org.openqa.selenium.grid.distributor.local.LocalDistributor";32 static final String DEFAULT_SLOT_MATCHER = "org.openqa.selenium.grid.data.DefaultSlotMatcher";33 static final String DEFAULT_SLOT_SELECTOR_IMPLEMENTATION =34 "org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector";35 static final boolean DEFAULT_REJECT_UNSUPPORTED_CAPS = false;36 private final Config config;37 public DistributorOptions(Config config) {38 this.config = config;39 }40 public URI getDistributorUri() {41 Optional<URI> host = config.get(DISTRIBUTOR_SECTION, "host").map(str -> {42 try {43 URI distributorUri = new URI(str);44 if (distributorUri.getHost() == null || distributorUri.getPort() == -1) {45 throw new ConfigException("Undefined host or port in Distributor server URI: " + str);46 }47 return distributorUri;48 } catch (URISyntaxException e) {...
Source:DefaultSlotSelector.java
...23import org.openqa.selenium.grid.data.SlotId;24import java.util.Comparator;25import java.util.Set;26import static com.google.common.collect.ImmutableSet.toImmutableSet;27public class DefaultSlotSelector implements SlotSelector {28 @Override29 public Set<SlotId> selectSlot(Capabilities capabilities, Set<NodeStatus> nodes) {30 // First, filter the Nodes that support the required capabilities. Then, the filtered Nodes31 // get ordered in ascendant order by the number of browsers they support.32 // With this, Nodes with diverse configurations (supporting many browsers, e.g. Chrome,33 // Firefox, Safari) are placed at the bottom so they have more availability when a session34 // requests a browser supported only by a few Nodes (e.g. Safari only supported on macOS35 // Nodes).36 // After that, Nodes are ordered by their load, last session creation, and their id.37 return nodes.stream()38 .filter(node -> node.hasCapacity(capabilities))39 .sorted(40 Comparator.comparingLong(this::getNumberOfSupportedBrowsers)41 // Now sort by node which has the lowest load (natural ordering)42 .thenComparingDouble(NodeStatus::getLoad)43 // Then last session created (oldest first), so natural ordering again44 .thenComparingLong(NodeStatus::getLastSessionCreated)45 // And use the node id as a tie-breaker.46 .thenComparing(NodeStatus::getId))47 .flatMap(node -> node.getSlots().stream()48 .filter(slot -> !slot.getSession().isPresent())49 .filter(slot -> slot.isSupporting(capabilities))50 .map(Slot::getId))51 .collect(toImmutableSet());52 }53 @VisibleForTesting54 long getNumberOfSupportedBrowsers(NodeStatus nodeStatus) {55 return nodeStatus.getSlots()56 .stream()57 .map(slot -> slot.getStereotype().getBrowserName().toLowerCase())58 .distinct()59 .count();60 }61 public static SlotSelector create(Config config) {62 return new DefaultSlotSelector();63 }64}...
Source:GridModelTest.java
...19import org.openqa.selenium.events.EventBus;20import org.openqa.selenium.events.local.GuavaEventBus;21import org.openqa.selenium.grid.data.DefaultSlotMatcher;22import org.openqa.selenium.grid.distributor.Distributor;23import org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector;24import org.openqa.selenium.grid.security.Secret;25import org.openqa.selenium.grid.sessionmap.SessionMap;26import org.openqa.selenium.grid.sessionmap.local.LocalSessionMap;27import org.openqa.selenium.grid.sessionqueue.local.LocalNewSessionQueue;28import org.openqa.selenium.remote.http.HttpClient;29import org.openqa.selenium.remote.tracing.DefaultTestTracer;30import org.openqa.selenium.remote.tracing.Tracer;31import java.time.Duration;32public class GridModelTest {33 private final Tracer tracer = DefaultTestTracer.createTracer();34 private final EventBus events = new GuavaEventBus();35 private final HttpClient.Factory clientFactory = HttpClient.Factory.createDefault();36 private final SessionMap sessions = new LocalSessionMap(tracer, events);37 private final Secret secret = new Secret("cheese");38 LocalNewSessionQueue queue = new LocalNewSessionQueue(39 tracer,40 events,41 new DefaultSlotMatcher(),42 Duration.ofSeconds(2),43 Duration.ofSeconds(2),44 secret);45 private final Distributor distributor = new LocalDistributor(46 tracer,47 events,48 clientFactory,49 sessions,50 queue,51 new DefaultSlotSelector(),52 secret,53 Duration.ofMinutes(5),54 false);55 @Test56 public void shouldNotChangeTheStateOfANodeMarkedAsDownWhenNodeStatusEventFires() {57 }58}...
DefaultSlotSelector
Using AI Code Generation
1import org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector;2import org.openqa.selenium.grid.distributor.selector.SlotSelector;3import org.openqa.selenium.grid.distributor.selector.SlotSelectorOptions;4import org.openqa.selenium.grid.node.remote.RemoteNode;5import org.openqa.selenium.remote.http.HttpClient;6import org.openqa.selenium.remote.tracing.Tracer;7public class CustomSlotSelector implements SlotSelector {8 private final HttpClient.Factory clientFactory;9 private final Tracer tracer;10 public CustomSlotSelector(HttpClient.Factory clientFactory, Tracer tracer) {11 this.clientFactory = clientFactory;12 this.tracer = tracer;13 }14 public Optional<RemoteNode> selectSlot(15 SlotSelectorOptions options) {16 return Optional.empty();17 }18}19import org.openqa.selenium.grid.config.Config;20import org.openqa.selenium.grid.config.MemoizedConfig;21import org.openqa.selenium.grid.distributor.Distributor;22import org.openqa.selenium.grid.distributor.DistributorOptions;23import org.openqa.selenium.grid.distributor.selector.SlotSelector;24import org.openqa.selenium.grid.distributor.selector.SlotSelectorOptions;25import org.openqa.selenium.grid.node.remote.RemoteNode;26import org.openqa.selenium.remote.http.HttpClient;27import org.openqa.selenium.remote.tracing.Tracer;28public class CustomDistributor extends Distributor {29 private final HttpClient.Factory clientFactory;30 private final Tracer tracer;31 public CustomDistributor(32 SlotSelector selector) {33 super(options, selector);34 this.clientFactory = clientFactory;35 this.tracer = tracer;36 }37 public Optional<RemoteNode> selectSlot(38 SlotSelectorOptions options) {39 return Optional.empty();40 }41}42import org.openqa.selenium.grid.config.Config;43import org.openqa.selenium.grid.config.MemoizedConfig;44import org.openqa.selenium.grid.distributor.Distributor;45import org.openqa.selenium.grid.distributor.DistributorOptions;46import org.openqa.selenium.grid.distributor.selector.SlotSelector;47import org.openqa.selenium.grid.distributor.selector.SlotSelectorOptions;48import org.openqa.selenium.grid.node.remote.RemoteNode;49import org.openqa.selenium.remote.http.HttpClient;50import org.openqa.selenium.remote.tracing.Tracer;
DefaultSlotSelector
Using AI Code Generation
1import org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector;2import org.openqa.selenium.grid.distributor.selector.SlotSelector;3import org.openqa.selenium.grid.distributor.selector.SlotSelectorSupplier;4import org.openqa.selenium.grid.distributor.selector.SlotSelectors;5import org.openqa.selenium.grid.node.local.LocalNode;6import org.openqa.selenium.grid.node.local.LocalNodeFactory;7import org.openqa.selenium.grid.server.BaseServerOptions;8import org.openqa.selenium.grid.server.Server;9import org.openqa.selenium.grid.server.ServerFlags;10import org.openqa.selenium.grid.sessionmap.config.SessionMapOptions;11import org.openqa.selenium.grid.sessionmap.remote.RemoteSessionMap;12import org.openqa.selenium.grid.web.Routable;13import org.openqa.selenium.grid.web.Routes;14import org.openqa.selenium.internal.Require;15import org.openqa.selenium.remote.http.HttpClient;16import org.openqa.selenium.remote.tracing.Tracer;17import org.openqa.selenium.remote.tracing.opentelemetry.OpenTelemetryTracer;18import java.net.URI;19import java.util.Collections;20import java.util.Map;21import java.util.Objects;22import java.util.Optional;23import java.util.ServiceLoader;24import java.util.function.Supplier;25import java.util.logging.Logger;26public class Distributor implements Routable {27 private static final Logger LOG = Logger.getLogger(Distributor.class.getName());28 private final Server server;29 private final Supplier<SlotSelector> selector;30 public Distributor(31 Map<String, String> capabilities) {32 Require.nonNull("Tracer", tracer);33 Require.nonNull("HTTP client factory", clientFactory);34 Require.nonNull("Server options", serverOptions);35 Require.nonNull("Session map options", sessionMapOptions);36 RemoteSessionMap sessions = new RemoteSessionMap(tracer, clientFactory, sessionMapUri);37 SlotSelectorSupplier selectorSupplier = new SlotSelectorSupplier() {38 public SlotSelector get() {39 return new DefaultSlotSelector();40 }41 };42 ServerFlags serverFlags = new ServerFlags(serverOptions);43 Routes routes = new Routes();44 routes.add(new DistributorRoutes(tracer, sessions, selectorSupplier, capabilities));45 this.server = serverFlags.getServer(routes);46 selector = SlotSelectors.create(selectorSupplier, server);47 }
DefaultSlotSelector
Using AI Code Generation
1DefaultSlotSelector slotSelector = new DefaultSlotSelector();2DefaultSlotMatcher slotMatcher = new DefaultSlotMatcher();3DefaultDistributor distributor = new DefaultDistributor(slotSelector, slotMatcher);4DistributorFactory factory = new DistributorFactory();5Distributor distributor = factory.createDistributor(config);6Distributor distributor = new Distributor(config);7DistributorOptions options = new DistributorOptions(config);8Distributor distributor = new Distributor(options.getSlotSelector(), options.getSlotMatcher());9DistributorConfig config = new DistributorConfig();10DistributorOptions options = new DistributorOptions(config);11Distributor distributor = new Distributor(options.getSlotSelector(), options.getSlotMatcher());12Distributor distributor = new Distributor(config);13DistributorOptions options = new DistributorOptions(config);14Distributor distributor = new Distributor(options.getSlotSelector(), options.getSlotMatcher());15DistributorConfig config = new DistributorConfig();16DistributorOptions options = new DistributorOptions(config);17Distributor distributor = new Distributor(options.getSlotSelector(), options.getSlotMatcher());18Distributor distributor = new Distributor(config);19DistributorOptions options = new DistributorOptions(config);20Distributor distributor = new Distributor(options.getSlotSelector(), options.getSlotMatcher());21DistributorConfig config = new DistributorConfig();22DistributorOptions options = new DistributorOptions(config);23Distributor distributor = new Distributor(options.getSlotSelector(), options.getSlotMatcher());
DefaultSlotSelector
Using AI Code Generation
1import org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector;2import org.openqa.selenium.grid.distributor.selector.SlotSelector;3import org.openqa.selenium.grid.distributor.selector.SlotSelectors;4import org.openqa.selenium.grid.distributor.selector.SlotSelectors;5import org.openqa.selenium.grid.node.remote.RemoteNode;6import org.openqa.selenium.grid.node.remote.RemoteNodeFactory;7import org.openqa.selenium.grid.sessionmap.config.SessionMapOptions;8import org.openqa.selenium.grid.sessionmap.config.SessionMapOptions;9import org.openqa.selenium.grid.sessionmap.remote.RemoteSessionMap;10import org.openqa.selenium.grid.sessionmap.remote.RemoteSessionMapFactory;11import org.openqa.selenium.grid.sessionmap.remote.RemoteSessionMapFactory;12import org.openqa.selenium.grid.web.Routable;13import org.openqa.selenium.grid.web.Routes;14import org.openqa.selenium.grid.web.Routes;15import org.openqa.selenium.net.UrlChecker;16import org.openqa.selenium.net.Urls;17import org.openqa.selenium.remote.http.HttpClient;18import org.openqa.selenium.remote.http.HttpClient;19import org.openqa.selenium.remote.tracing.Tracer;20import org.openqa.selenium.remote.tracing.Tracer;21import org.openqa.selenium.remote.tracing.Tracer;22import java.net.URI;23import java.net.URISyntaxException;24import java.time.Duration;25import java.util.Objects;26import java.util.Optional;27import java.util.logging.Logger;28public class DistributorFactory implements Routable {29 private static final Logger LOG = Logger.getLogger(DistributorFactory.class.getName());30 private final HttpClient.Factory clientFactory;31 private final Tracer tracer;32 private final SessionMapOptions sessionMapOptions;33 private final SlotSelectors slotSelectors;34 public DistributorFactory(35 SlotSelectors slotSelectors) {36 this.clientFactory = Objects.requireNonNull(clientFactory);37 this.tracer = Objects.requireNonNull(tracer);38 this.sessionMapOptions = Objects.requireNonNull(sessionMapOptions);39 this.slotSelectors = Objects.requireNonNull(slotSelectors);40 }41 public void configure(Routes routes) {42 routes.get("/status", new StatusHandler());43 routes.get("/sessions", new ListSessionsHandler(tracer, sessionMapOptions));44 routes.post("/se/grid/distributor/session", new NewSessionHandler(tracer, sessionMapOptions));45 routes.get("/se/grid/distributor/session/{sessionId}", new GetSessionHandler(tracer, sessionMapOptions));46 routes.delete("/se/grid/distributor/session/{sessionId}", new DeleteSessionHandler(tracer, sessionMapOptions));47 }
DefaultSlotSelector
Using AI Code Generation
1import org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector;2import org.openqa.selenium.grid.distributor.selector.SlotSelector;3import org.openqa.selenium.grid.distributor.selector.SlotSelectorOptions;4import org.openqa.selenium.grid.sessionmap.config.SessionMapOptions;5import org.openqa.selenium.grid.web.Routable;6import org.openqa.selenium.grid.web.Routes;7import org.openqa.selenium.remote.tracing.Tracer;8import org.openqa.selenium.remote.tracing.config.distributed.DistributedTracerOptions;9import org.openqa.selenium.remote.tracing.opentelemetry.OpenTelemetryOptions;10import org.openqa.selenium.remote.tracing.opentelemetry.config.OpenTelemetryConfig;11import java.util.Objects;12import java.util.ServiceLoader;13import java.util.function.Supplier;14public class SlotSelectorFactory {15 public static SlotSelector createSlotSelector(Tracer tracer, SlotSelectorOptions slotSelectorOptions) {16 Objects.requireNonNull(tracer, "Tracer must be set.");17 Objects.requireNonNull(slotSelectorOptions, "SlotSelectorOptions must be set.");18 SlotSelector slotSelector = ServiceLoader.load(SlotSelector.class)19 .stream()20 .map(ServiceLoader.Provider::get)21 .filter(slotSelector1 -> slotSelector1.getName().equals(slotSelectorOptions.getName()))22 .findFirst()23 .orElseThrow(() -> new IllegalArgumentException(24 String.format("Unable to find slot selector with name: %s", slotSelectorOptions.getName())));25 return slotSelector;26 }27}
DefaultSlotSelector
Using AI Code Generation
1import org.openqa.selenium.grid.config.Config;2import org.openqa.selenium.grid.config.ConfigException;3import org.openqa.selenium.grid.config.MemoizedConfig;4import org.openqa.selenium.grid.distributor.selector.DefaultSlotSelectorFactory;5import org.openqa.selenium.grid.distributor.selector.SlotSelector;6import org.openqa.selenium.grid.distributor.selector.SlotSelectorFactory;7import org.openqa.selenium.grid.node.Node;8import org.openqa.selenium.grid.node.local.LocalNode;9import org.openqa.selenium.grid.server.BaseServerOptions;10import org.openqa.selenium.grid.server.Server;11import org.openqa.selenium.grid.server.ServerFlags;12import org.openqa.selenium.grid.server.ServerSecrets;13import org.openqa.selenium.grid.web.Values;14import org.openqa.selenium.internal.Require;15import org.openqa.selenium.json.Json;16import org.openqa.selenium.remote.tracing.Tracer;17import org.openqa.selenium.remote.tracing.config.ConfigValue;18import org.openqa.selenium.remote.tracing.opentelemetry.OpenTelemetryTracer;19import org.openqa.selenium.remote.tracing.opentelemetry.OpenTelemetryTracerFactory;20import org.openqa.selenium.remote.tracing.opentelemetry.config.OpenTelemetryConfig;21import org.openqa.selenium.remote.tracing.opentelemetry.config.OpenTelemetryConfigValue;22import org.openqa.selenium.remote.tracing.opentelemetry.exporter.OpenTelemetryExporter;23import org.openqa.selenium.remote.tracing.opentelemetry.exporter.zipkin.ZipkinExporter;24import org.openqa.selenium.remote.tracing.opentelemetry.exporter.zipkin.ZipkinExporterFactory;25import org.openqa.selenium.remote.tracing.opentelemetry.exporter.zipkin.config.ZipkinExporterConfig;26import org.openqa.selenium.remote.tracing.opentelemetry.exporter.zipkin.config.ZipkinExporterConfigValue;27import org.openqa.selenium.remote.tracing.opentelemetry.logging.LoggingExporter;28import org.openqa.selenium.remote.tracing.opentelemetry.logging.LoggingExporterFactory;29import org.openqa.selenium.remote.tracing.opentelemetry.logging.config.LoggingExporterConfig;30import org.openqa.selenium.remote.tracing.opentelemetry.logging.config.LoggingExporterConfigValue;31import org.openqa.selenium.remote.tracing.opentelemetry.propagation.Propagators;32import org.openqa.selenium.remote.tracing.opentelemetry.propagation.PropagatorsFactory;33import org.openqa.selenium.remote.tracing.opentelemetry.propagation.config.PropagatorsConfig;34import org.openqa.selenium.remote.tracing.opentelemetry.propagation.config.PropagatorsConfigValue;35import org.openqa
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