GH-1025 Polish and test DELETE feature of s-c-f-web

spring-cloud-function-web/src/test/java/org/springframework/cloud/function/web/mvc/HttpDeleteIntegrationTests.java

@@ -0,0 +1,152 @@
+/*
+ * Copyright 2012-2019 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.function.web.mvc;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.test.web.server.LocalServerPort;
+import org.springframework.cloud.function.web.RestApplication;
+import org.springframework.cloud.function.web.mvc.HttpDeleteIntegrationTests.ApplicationConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.RequestEntity;
+import org.springframework.http.ResponseEntity;
+import org.springframework.messaging.Message;
+import org.springframework.messaging.support.MessageBuilder;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+import org.springframework.util.StringUtils;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Oleg Zhurakousky
+ */
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT, properties = "spring.main.web-application-type=servlet")
+@ContextConfiguration(classes = { RestApplication.class, ApplicationConfiguration.class })
+public class HttpDeleteIntegrationTests {
+
+	private static final MediaType EVENT_STREAM = MediaType.TEXT_EVENT_STREAM;
+
+	@LocalServerPort
+	private int port;
+
+	@Autowired
+	private TestRestTemplate rest;
+
+	@Autowired
+	private ApplicationConfiguration test;
+
+	@BeforeEach
+	public void init() {
+		this.test.list.clear();
+	}
+
+	@Test
+	public void testDeleteConsumer() throws Exception {
+		ResponseEntity<Void> result = this.rest.exchange(
+				RequestEntity.delete(new URI("/deleteConsumer/123"))
+				.build(), Void.class);
+
+		assertThat(result.getStatusCode()).isEqualTo(HttpStatus.NO_CONTENT);
+	}
+
+	@Test
+	public void testDeleteConsumerWithParameters() throws Exception {
+		ResponseEntity<Void> result = this.rest.exchange(
+				RequestEntity.delete(new URI("/deleteConsumerAsMessage/123?foo=bar"))
+				.build(), Void.class);
+
+		assertThat(result.getStatusCode()).isEqualTo(HttpStatus.NO_CONTENT);
+	}
+
+	@EnableAutoConfiguration
+	@TestConfiguration
+	public static class ApplicationConfiguration {
+
+		private List<String> list = new ArrayList<>();
+
+		public static void main(String[] args) throws Exception {
+			SpringApplication.run(HttpDeleteIntegrationTests.ApplicationConfiguration.class,
+					args);
+		}
+
+		@Bean
+		public Consumer<String> deleteConsumer() {
+			return v -> {
+				assertThat(v).isEqualTo("123");
+				System.out.println("Deleting: " + v);
+			};
+		}
+
+		@Bean
+		public Consumer<Message<String>> deleteConsumerAsMessage() {
+			return v -> {
+				assertThat(v.getPayload()).isEqualTo("123");
+				assertThat(((Map) v.getHeaders().get("http_request_param")).get("foo")).isEqualTo("bar");
+				System.out.println("Deleting: " + v);
+			};
+		}
+
+	}
+
+	public static class Foo {
+
+		private String value;
+
+		public Foo(String value) {
+			this.value = value;
+		}
+
+		Foo() {
+		}
+
+		public String getValue() {
+			return this.value;
+		}
+
+		public void setValue(String value) {
+			this.value = value;
+		}
+
+	}
+
+}