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OpenHubExternalPropertiesAutoConfigurationTest.java
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OpenHubExternalPropertiesAutoConfigurationTest.java
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/*
* Copyright 2002-2016 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.openhubframework.openhub.common.properties;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.springframework.util.Assert.notNull;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.junit.Test;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.aspectj.EnableSpringConfigured;
import org.springframework.core.io.PathResource;
import org.springframework.test.util.ReflectionTestUtils;
import org.springframework.util.ReflectionUtils;
/**
* Test that {@code openhub.properties} is properly loaded and used in right location.
*
* @author Tomas Hanus
* @since 2.0
*/
public class OpenHubExternalPropertiesAutoConfigurationTest {
@Test
public void test() throws ClassNotFoundException, InstantiationException, IllegalAccessException, IllegalArgumentException,
InvocationTargetException, NoSuchMethodException, SecurityException, URISyntaxException {
final URL resource = OpenHubExternalPropertiesAutoConfiguration.class.getClassLoader()
.getResource("org/openhubframework/openhub/common/properties/openhub.properties");
notNull(resource, "Resource must not be null");
URI wisPropertiesPath = resource.toURI();
final Path virtualRootPath = Paths.get(wisPropertiesPath).getParent();
ClassLoader current = Thread.currentThread().getContextClassLoader();
try {
// prepare special class loader with special application.properties and openhub.properties.
ClassLoader loader = new ClassLoader(OpenHubExternalPropertiesAutoConfiguration.class.getClassLoader()) {
@Override
protected URL findResource(String name) {
try {
PathResource resource = new PathResource(virtualRootPath.resolve(name));
// FileSystemResource resource = new FileSystemResource(new URL(virtualRootPath + name).getFile());
if (resource.isReadable()) {
return resource.getURL();
}
return null;
} catch (IOException e) {
return null;
}
}
};
Thread.currentThread().setContextClassLoader(loader);
Class<?> springApplicationClass = loader.loadClass(SpringApplication.class.getName());
Class<?> testApplicationClass = loader
.loadClass(TestApplication.class.getName());
Object instance = springApplicationClass.getConstructor(Object[].class)
.newInstance(new Object[] { new Object[] { testApplicationClass } });
// without web
ReflectionTestUtils.setField(instance, "webEnvironment", false);
@SuppressWarnings("resource")
ConfigurableApplicationContext ctx = (ConfigurableApplicationContext) ReflectionUtils
.findMethod(springApplicationClass, "run", String[].class)
.invoke(instance, new Object[] { new String[] {} });
TestProperties testProperties = ctx.getBean(TestProperties.class);
// openhub is defined in openhub.properties, application in application.properties
assertThat(testProperties.getName(), is("openhub"));
} finally {
Thread.currentThread().setContextClassLoader(current);
}
}
@Configuration
@EnableAutoConfiguration
@EnableConfigurationProperties
@EnableSpringConfigured
static class TestApplication extends SpringApplication {
@Bean
public TestProperties testProperties() {
return new TestProperties();
}
}
@ConfigurationProperties(prefix = "openhub.test")
static class TestProperties {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
}