Reflect grouping in directory structure

cloud/cloud-function-webflux/src/appTest/java/com/example/cloud/function/webflux/CloudFunctionWebFluxApplicationAotTests.java

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+package com.example.cloud.function.webflux;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.aot.smoketest.support.junit.ApplicationTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.reactive.server.WebTestClient;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@ApplicationTest
+class CloudFunctionWebFluxApplicationAotTests {
+
+	@Test
+	void uppercaseShouldBeInvokable(WebTestClient webTestClient) {
+		webTestClient.post().uri("/uppercase").header("Content-Type", MediaType.TEXT_PLAIN_VALUE).bodyValue("hello")
+				.exchange().expectStatus().isOk().expectBody()
+				.consumeWith((result) -> assertThat(new String(result.getResponseBodyContent())).isEqualTo("HELLO"));
+	}
+
+	@Test
+	void lowercaseShouldBeInvokable(WebTestClient webTestClient) {
+		webTestClient.post().uri("/lowercase").header("Content-Type", MediaType.TEXT_PLAIN_VALUE).bodyValue("HELLO")
+				.exchange().expectStatus().isOk().expectBody()
+				.consumeWith((result) -> assertThat(new String(result.getResponseBodyContent())).isEqualTo("hello"));
+	}
+
+}

cloud/cloud-function-webflux/src/main/java/com/example/cloud/function/webflux/CloudFunctionWebFluxApplication.java

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+package com.example.cloud.function.webflux;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CloudFunctionWebFluxApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(CloudFunctionWebFluxApplication.class, args);
+	}
+
+}

cloud/cloud-function-webflux/src/main/java/com/example/cloud/function/webflux/Lowercase.java

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+package com.example.cloud.function.webflux;
+
+import java.util.Locale;
+import java.util.function.Function;
+
+import reactor.core.publisher.Mono;
+
+import org.springframework.stereotype.Component;
+
+@Component
+class Lowercase implements Function<Mono<String>, Mono<String>> {
+
+	@Override
+	public Mono<String> apply(Mono<String> input) {
+		return input.map((i) -> i.toLowerCase(Locale.ENGLISH));
+	}
+
+}

cloud/cloud-function-webflux/src/main/java/com/example/cloud/function/webflux/Uppercase.java

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+package com.example.cloud.function.webflux;
+
+import java.util.Locale;
+import java.util.function.Function;
+
+import reactor.core.publisher.Mono;
+
+import org.springframework.stereotype.Component;
+
+@Component
+class Uppercase implements Function<Mono<String>, Mono<String>> {
+
+	@Override
+	public Mono<String> apply(Mono<String> input) {
+		return input.map((i) -> i.toUpperCase(Locale.ENGLISH));
+	}
+
+}