data buffer limit exception (#12862)

* data buffer limit exception

* removed mvn scripts

* test cases

* updated integration test name

Co-authored-by: s9m33r <no-reply>

spring-reactive-modules/spring-reactive-exceptions/src/test/java/com/baeldung/spring/reactive/springreactiveexceptions/SpringReactiveExceptionsApplicationIntegrationTest.java

@@ -0,0 +1,52 @@
+package com.baeldung.spring.reactive.springreactiveexceptions;
+
+import com.baeldung.spring.reactive.springreactiveexceptions.model.Users;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.http.HttpStatus;
+import org.springframework.test.web.reactive.server.WebTestClient;
+import org.springframework.web.reactive.function.BodyInserters;
+
+import java.io.IOException;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+class SpringReactiveExceptionsApplicationIntegrationTest {
+	@Autowired
+	private WebTestClient webTestClient;
+	@Autowired
+	private ObjectMapper objectMapper;
+
+	@Test
+	void givenARequestBody_whenProcessIsCalled_thenReturnTheBodyAsIs() throws IOException {
+		Users users = objectMapper.readValue(new ClassPathResource("390KB.json")
+		  .getURL(), Users.class);
+
+		webTestClient
+		  .post()
+		  .uri("1.0/process")
+		  .body(BodyInserters.fromValue(users))
+		  .exchange()
+		  .expectStatus()
+		  .isEqualTo(HttpStatus.OK)
+		  .expectBody(Users.class)
+		  .isEqualTo(users);
+	}
+
+	@Test
+	void whenTriggerIsCalled_thenReturnTheExpectedJSONResponse() throws IOException {
+		Users users = objectMapper.readValue(new ClassPathResource("390KB.json")
+		  .getURL(), Users.class);
+
+		webTestClient
+		  .post()
+		  .uri("1.0/trigger")
+		  .exchange()
+		  .expectStatus()
+		  .isEqualTo(HttpStatus.OK)
+		  .expectBody(Users.class)
+		  .isEqualTo(users);
+	}
+}