/*
* 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.system;
import java.io.File;
import java.io.FileReader;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import java.util.function.BiFunction;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import org.springframework.boot.web.context.WebServerInitializedEvent;
import org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext;
import org.springframework.boot.web.reactive.context.ReactiveWebServerInitializedEvent;
import org.springframework.boot.web.server.WebServer;
import org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext;
import org.springframework.boot.web.servlet.context.ServletWebServerInitializedEvent;
import org.springframework.util.FileCopyUtils;
import org.springframework.util.StringUtils;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
/**
* Tests {@link EmbeddedServerPortFileWriter}.
*
* @author David Liu
* @author Phillip Webb
* @author Andy Wilkinson
*/
@RunWith(Parameterized.class)
public class EmbeddedServerPortFileWriterTests {
@Rule
public final TemporaryFolder temporaryFolder = new TemporaryFolder();
@Parameters(name = "{0}")
public static Object[] parameters() {
Map<String, BiFunction<String, Integer, WebServerInitializedEvent>> parameters = new LinkedHashMap<>();
parameters.put("Servlet",
EmbeddedServerPortFileWriterTests::servletEventParameter);
parameters.put("Reactive",
EmbeddedServerPortFileWriterTests::reactiveEventParameter);
return parameters.entrySet().stream()
.map((e) -> new Object[] { e.getKey(), e.getValue() }).toArray();
}
private static WebServerInitializedEvent servletEventParameter(String name,
Integer port) {
ServletWebServerApplicationContext applicationContext = mock(
ServletWebServerApplicationContext.class);
given(applicationContext.getNamespace()).willReturn(name);
WebServer source = mock(WebServer.class);
given(source.getPort()).willReturn(port);
ServletWebServerInitializedEvent event = new ServletWebServerInitializedEvent(
source, applicationContext);
return event;
}
private static WebServerInitializedEvent reactiveEventParameter(String name,
Integer port) {
ReactiveWebServerApplicationContext applicationContext = mock(
ReactiveWebServerApplicationContext.class);
given(applicationContext.getNamespace()).willReturn(name);
WebServer source = mock(WebServer.class);
given(source.getPort()).willReturn(port);
return new ReactiveWebServerInitializedEvent(source, applicationContext);
}
private final BiFunction<String, Integer, ? extends WebServerInitializedEvent> eventFactory;
public EmbeddedServerPortFileWriterTests(String name,
BiFunction<String, Integer, ? extends WebServerInitializedEvent> eventFactory) {
this.eventFactory = eventFactory;
}
@Before
@After
public void reset() {
System.clearProperty("PORTFILE");
}
@Test
public void createPortFile() throws Exception {
File file = this.temporaryFolder.newFile();
EmbeddedServerPortFileWriter listener = new EmbeddedServerPortFileWriter(file);
listener.onApplicationEvent(mockEvent("", 8080));
assertThat(FileCopyUtils.copyToString(new FileReader(file))).isEqualTo("8080");
}
@Test
public void overridePortFileWithDefault() throws Exception {
System.setProperty("PORTFILE", this.temporaryFolder.newFile().getAbsolutePath());
EmbeddedServerPortFileWriter listener = new EmbeddedServerPortFileWriter();
listener.onApplicationEvent(mockEvent("", 8080));
FileReader reader = new FileReader(System.getProperty("PORTFILE"));
assertThat(FileCopyUtils.copyToString(reader)).isEqualTo("8080");
}
@Test
public void overridePortFileWithExplicitFile() throws Exception {
File file = this.temporaryFolder.newFile();
System.setProperty("PORTFILE", this.temporaryFolder.newFile().getAbsolutePath());
EmbeddedServerPortFileWriter listener = new EmbeddedServerPortFileWriter(file);
listener.onApplicationEvent(mockEvent("", 8080));
FileReader reader = new FileReader(System.getProperty("PORTFILE"));
assertThat(FileCopyUtils.copyToString(reader)).isEqualTo("8080");
}
@Test
public void createManagementPortFile() throws Exception {
File file = this.temporaryFolder.newFile();
EmbeddedServerPortFileWriter listener = new EmbeddedServerPortFileWriter(file);
listener.onApplicationEvent(mockEvent("", 8080));
listener.onApplicationEvent(mockEvent("management", 9090));
assertThat(FileCopyUtils.copyToString(new FileReader(file))).isEqualTo("8080");
String managementFile = file.getName();
managementFile = managementFile.substring(0, managementFile.length()
- StringUtils.getFilenameExtension(managementFile).length() - 1);
managementFile = managementFile + "-management."
+ StringUtils.getFilenameExtension(file.getName());
FileReader reader = new FileReader(
new File(file.getParentFile(), managementFile));
assertThat(FileCopyUtils.copyToString(reader)).isEqualTo("9090");
assertThat(collectFileNames(file.getParentFile())).contains(managementFile);
}
@Test
public void createUpperCaseManagementPortFile() throws Exception {
File file = this.temporaryFolder.newFile();
file = new File(file.getParentFile(), file.getName().toUpperCase());
EmbeddedServerPortFileWriter listener = new EmbeddedServerPortFileWriter(file);
listener.onApplicationEvent(mockEvent("management", 9090));
String managementFile = file.getName();
managementFile = managementFile.substring(0, managementFile.length()
- StringUtils.getFilenameExtension(managementFile).length() - 1);
managementFile = managementFile + "-MANAGEMENT."
+ StringUtils.getFilenameExtension(file.getName());
FileReader reader = new FileReader(
new File(file.getParentFile(), managementFile));
assertThat(FileCopyUtils.copyToString(reader)).isEqualTo("9090");
assertThat(collectFileNames(file.getParentFile())).contains(managementFile);
}
private WebServerInitializedEvent mockEvent(String name, int port) {
return this.eventFactory.apply(name, port);
}
private Set<String> collectFileNames(File directory) {
Set<String> names = new HashSet<>();
if (directory.isDirectory()) {
for (File file : directory.listFiles()) {
names.add(file.getName());
}
}
return names;
}
}