/*
* Copyright 2012-2017 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
*
* http://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.boot.actuate.endpoint.mvc;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import java.util.zip.GZIPInputStream;
import org.fusesource.hawtbuf.ByteArrayInputStream;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.actuate.autoconfigure.AuditAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration;
import org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration;
import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.context.WebApplicationContext;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.options;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
/**
* Tests for {@link HeapdumpMvcEndpoint}.
*
* @author Phillip Webb
*/
@RunWith(SpringRunner.class)
@SpringBootTest
@TestPropertySource(properties = "management.security.enabled=false")
public class HeapdumpMvcEndpointTests {
@Autowired
private WebApplicationContext context;
private MockMvc mvc;
@Autowired
private TestHeapdumpMvcEndpoint endpoint;
@Before
public void setup() {
this.context.getBean(HeapdumpMvcEndpoint.class).setEnabled(true);
this.mvc = MockMvcBuilders.webAppContextSetup(this.context).build();
}
@After
public void reset() {
this.endpoint.reset();
}
@Test
public void invokeWhenDisabledShouldReturnNotFoundStatus() throws Exception {
this.endpoint.setEnabled(false);
this.mvc.perform(get("/application/heapdump")).andExpect(status().isNotFound());
}
@Test
public void invokeWhenNotAvailableShouldReturnServiceUnavailableStatus()
throws Exception {
this.endpoint.setAvailable(false);
this.mvc.perform(get("/application/heapdump")).andExpect(status().isServiceUnavailable());
}
@Test
public void invokeWhenLockedShouldReturnTooManyRequestsStatus() throws Exception {
this.endpoint.setLocked(true);
this.mvc.perform(get("/application/heapdump")).andExpect(status().isTooManyRequests());
assertThat(Thread.interrupted()).isTrue();
}
@Test
public void invokeShouldReturnGzipContent() throws Exception {
MvcResult result = this.mvc.perform(get("/application/heapdump")).andExpect(status().isOk())
.andReturn();
byte[] bytes = result.getResponse().getContentAsByteArray();
GZIPInputStream stream = new GZIPInputStream(new ByteArrayInputStream(bytes));
byte[] uncompressed = FileCopyUtils.copyToByteArray(stream);
assertThat(uncompressed).isEqualTo("HEAPDUMP".getBytes());
}
@Test
public void invokeOptionsShouldReturnSize() throws Exception {
this.mvc.perform(options("/application/heapdump")).andExpect(status().isOk());
}
@Import({ JacksonAutoConfiguration.class, AuditAutoConfiguration.class,
HttpMessageConvertersAutoConfiguration.class,
EndpointWebMvcAutoConfiguration.class, WebMvcAutoConfiguration.class })
@Configuration
public static class TestConfiguration {
@Bean
public HeapdumpMvcEndpoint endpoint() {
return new TestHeapdumpMvcEndpoint();
}
}
private static class TestHeapdumpMvcEndpoint extends HeapdumpMvcEndpoint {
private boolean available;
private boolean locked;
private String heapDump;
TestHeapdumpMvcEndpoint() {
super(TimeUnit.SECONDS.toMillis(1));
reset();
}
public void reset() {
this.available = true;
this.locked = false;
this.heapDump = "HEAPDUMP";
}
@Override
protected HeapDumper createHeapDumper() {
return new HeapDumper() {
@Override
public void dumpHeap(File file, boolean live)
throws IOException, InterruptedException {
if (!TestHeapdumpMvcEndpoint.this.available) {
throw new HeapDumperUnavailableException("Not available", null);
}
if (TestHeapdumpMvcEndpoint.this.locked) {
throw new InterruptedException();
}
if (file.exists()) {
throw new IOException("File exists");
}
FileCopyUtils.copy(TestHeapdumpMvcEndpoint.this.heapDump.getBytes(),
file);
}
};
}
public void setAvailable(boolean available) {
this.available = available;
}
public void setLocked(boolean locked) {
this.locked = locked;
}
}
}