Verify ReactorContext when using Virtual Threads

Closes gh-12791

web/src/test/java/org/springframework/security/web/server/context/ReactorContextWebFilterTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,17 +17,23 @@
 package org.springframework.security.web.server.context;
 
 import java.util.List;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
 
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledOnJre;
+import org.junit.jupiter.api.condition.JRE;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 import reactor.core.publisher.Mono;
+import reactor.core.scheduler.Schedulers;
 import reactor.test.StepVerifier;
 import reactor.test.publisher.TestPublisher;
 import reactor.util.context.Context;
 
+import org.springframework.core.task.VirtualThreadTaskExecutor;
 import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
 import org.springframework.mock.web.server.MockServerWebExchange;
 import org.springframework.security.core.Authentication;
@@ -117,4 +123,32 @@ public class ReactorContextWebFilterTests {
 		StepVerifier.create(filter).expectAccessibleContext().hasKey(contextKey).then().verifyComplete();
 	}
 
+	@Test
+	public void filterWhenThreadFactoryIsPlatformThenSecurityContextLoaded() {
+		ThreadFactory threadFactory = Executors.defaultThreadFactory();
+		assertSecurityContextLoaded(threadFactory);
+	}
+
+	@Test
+	@DisabledOnJre(JRE.JAVA_17)
+	public void filterWhenThreadFactoryIsVirtualThenSecurityContextLoaded() {
+		ThreadFactory threadFactory = new VirtualThreadTaskExecutor().getVirtualThreadFactory();
+		assertSecurityContextLoaded(threadFactory);
+	}
+
+	private void assertSecurityContextLoaded(ThreadFactory threadFactory) {
+		SecurityContextImpl context = new SecurityContextImpl(this.principal);
+		given(this.repository.load(any())).willReturn(Mono.just(context));
+		// @formatter:off
+		WebFilter subscribeOnThreadFactory = (exchange, chain) -> chain.filter(exchange)
+				.subscribeOn(Schedulers.newSingle(threadFactory));
+		WebFilter assertSecurityContext = (exchange, chain) -> ReactiveSecurityContextHolder.getContext()
+				.map(SecurityContext::getAuthentication)
+				.doOnSuccess((authentication) -> assertThat(authentication).isSameAs(this.principal))
+				.then(chain.filter(exchange));
+		// @formatter:on
+		this.handler = WebTestHandler.bindToWebFilters(subscribeOnThreadFactory, this.filter, assertSecurityContext);
+		this.handler.exchange(this.exchange);
+	}
+
 }

web/src/test/java/org/springframework/security/web/server/context/SecurityContextServerWebExchangeWebFilterTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,17 +17,25 @@
 package org.springframework.security.web.server.context;
 
 import java.util.Collections;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledOnJre;
+import org.junit.jupiter.api.condition.JRE;
 import reactor.core.publisher.Mono;
+import reactor.core.scheduler.Schedulers;
 import reactor.test.StepVerifier;
 
+import org.springframework.core.task.VirtualThreadTaskExecutor;
 import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
 import org.springframework.mock.web.server.MockServerWebExchange;
 import org.springframework.security.authentication.TestingAuthenticationToken;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.ReactiveSecurityContextHolder;
+import org.springframework.security.test.web.reactive.server.WebTestHandler;
 import org.springframework.web.server.ServerWebExchange;
+import org.springframework.web.server.WebFilter;
 import org.springframework.web.server.handler.DefaultWebFilterChain;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -80,4 +88,31 @@ public class SecurityContextServerWebExchangeWebFilterTests {
 		StepVerifier.create(result).verifyComplete();
 	}
 
+	@Test
+	public void filterWhenThreadFactoryIsPlatformThenContextPopulated() {
+		ThreadFactory threadFactory = Executors.defaultThreadFactory();
+		assertPrincipalPopulated(threadFactory);
+	}
+
+	@Test
+	@DisabledOnJre(JRE.JAVA_17)
+	public void filterWhenThreadFactoryIsVirtualThenContextPopulated() {
+		ThreadFactory threadFactory = new VirtualThreadTaskExecutor().getVirtualThreadFactory();
+		assertPrincipalPopulated(threadFactory);
+	}
+
+	private void assertPrincipalPopulated(ThreadFactory threadFactory) {
+		// @formatter:off
+		WebFilter subscribeOnThreadFactory = (exchange, chain) -> chain.filter(exchange)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(this.principal))
+				.subscribeOn(Schedulers.newSingle(threadFactory));
+		WebFilter assertPrincipal = (exchange, chain) -> exchange.getPrincipal()
+				.doOnSuccess((principal) -> assertThat(principal).isSameAs(this.principal))
+				.then(chain.filter(exchange));
+		// @formatter:on
+		WebTestHandler handler = WebTestHandler.bindToWebFilters(subscribeOnThreadFactory, this.filter,
+				assertPrincipal);
+		handler.exchange(this.exchange);
+	}
+
 }