/*
* 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.builder;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Collections;
import org.junit.After;
import org.junit.Test;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.WebApplicationType;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.StaticApplicationContext;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.StandardEnvironment;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.StringUtils;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
/**
* Tests for {@link SpringApplicationBuilder}.
*
* @author Dave Syer
*/
public class SpringApplicationBuilderTests {
private ConfigurableApplicationContext context;
@After
public void close() {
close(this.context);
}
private void close(ApplicationContext context) {
if (context != null) {
if (context instanceof ConfigurableApplicationContext) {
((ConfigurableApplicationContext) context).close();
}
close(context.getParent());
}
}
@Test
public void profileAndProperties() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder()
.sources(ExampleConfig.class).contextClass(StaticApplicationContext.class)
.profiles("foo").properties("foo=bar");
this.context = application.run();
assertThat(this.context).isInstanceOf(StaticApplicationContext.class);
assertThat(this.context.getEnvironment().getProperty("foo")).isEqualTo("bucket");
assertThat(this.context.getEnvironment().acceptsProfiles("foo")).isTrue();
}
@Test
public void propertiesAsMap() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder()
.sources(ExampleConfig.class).contextClass(StaticApplicationContext.class)
.properties(Collections.<String, Object>singletonMap("bar", "foo"));
this.context = application.run();
assertThat(this.context.getEnvironment().getProperty("bar")).isEqualTo("foo");
}
@Test
public void propertiesAsProperties() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder()
.sources(ExampleConfig.class).contextClass(StaticApplicationContext.class)
.properties(StringUtils.splitArrayElementsIntoProperties(
new String[] { "bar=foo" }, "="));
this.context = application.run();
assertThat(this.context.getEnvironment().getProperty("bar")).isEqualTo("foo");
}
@Test
public void propertiesWithRepeatSeparator() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder()
.sources(ExampleConfig.class).contextClass(StaticApplicationContext.class)
.properties("one=c:\\logging.file", "two=a:b", "three:c:\\logging.file",
"four:a:b");
this.context = application.run();
ConfigurableEnvironment environment = this.context.getEnvironment();
assertThat(environment.getProperty("one")).isEqualTo("c:\\logging.file");
assertThat(environment.getProperty("two")).isEqualTo("a:b");
assertThat(environment.getProperty("three")).isEqualTo("c:\\logging.file");
assertThat(environment.getProperty("four")).isEqualTo("a:b");
}
@Test
public void specificApplicationContextClass() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder()
.sources(ExampleConfig.class)
.contextClass(StaticApplicationContext.class);
this.context = application.run();
assertThat(this.context).isInstanceOf(StaticApplicationContext.class);
}
@Test
public void parentContextCreationThatIsRunDirectly() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ChildConfig.class).contextClass(SpyApplicationContext.class);
application.parent(ExampleConfig.class);
this.context = application.run("foo.bar=baz");
verify(((SpyApplicationContext) this.context).getApplicationContext())
.setParent(any(ApplicationContext.class));
assertThat(((SpyApplicationContext) this.context).getRegisteredShutdownHook())
.isFalse();
assertThat(this.context.getParent().getBean(ApplicationArguments.class)
.getNonOptionArgs()).contains("foo.bar=baz");
assertThat(this.context.getBean(ApplicationArguments.class).getNonOptionArgs())
.contains("foo.bar=baz");
}
@Test
public void parentContextCreationThatIsBuiltThenRun() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ChildConfig.class).contextClass(SpyApplicationContext.class);
application.parent(ExampleConfig.class);
this.context = application.build("a=alpha").run("b=bravo");
verify(((SpyApplicationContext) this.context).getApplicationContext())
.setParent(any(ApplicationContext.class));
assertThat(((SpyApplicationContext) this.context).getRegisteredShutdownHook())
.isFalse();
assertThat(this.context.getParent().getBean(ApplicationArguments.class)
.getNonOptionArgs()).contains("a=alpha");
assertThat(this.context.getBean(ApplicationArguments.class).getNonOptionArgs())
.contains("b=bravo");
}
@Test
public void parentContextCreationWithChildShutdown() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ChildConfig.class).contextClass(SpyApplicationContext.class)
.registerShutdownHook(true);
application.parent(ExampleConfig.class);
this.context = application.run();
verify(((SpyApplicationContext) this.context).getApplicationContext())
.setParent(any(ApplicationContext.class));
assertThat(((SpyApplicationContext) this.context).getRegisteredShutdownHook())
.isTrue();
}
@Test
public void contextWithClassLoader() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).contextClass(SpyApplicationContext.class);
ClassLoader classLoader = new URLClassLoader(new URL[0],
getClass().getClassLoader());
application.resourceLoader(new DefaultResourceLoader(classLoader));
this.context = application.run();
assertThat(((SpyApplicationContext) this.context).getClassLoader())
.isEqualTo(classLoader);
}
@Test
public void parentContextWithClassLoader() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ChildConfig.class).contextClass(SpyApplicationContext.class);
ClassLoader classLoader = new URLClassLoader(new URL[0],
getClass().getClassLoader());
application.resourceLoader(new DefaultResourceLoader(classLoader));
application.parent(ExampleConfig.class);
this.context = application.run();
assertThat(((SpyApplicationContext) this.context).getResourceLoader()
.getClassLoader()).isEqualTo(classLoader);
}
@Test
public void parentFirstCreation() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).child(ChildConfig.class);
application.contextClass(SpyApplicationContext.class);
this.context = application.run();
verify(((SpyApplicationContext) this.context).getApplicationContext())
.setParent(any(ApplicationContext.class));
assertThat(((SpyApplicationContext) this.context).getRegisteredShutdownHook())
.isFalse();
}
@Test
public void parentFirstCreationWithProfileAndDefaultArgs() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).profiles("node").properties("transport=redis")
.child(ChildConfig.class).web(WebApplicationType.NONE);
this.context = application.run();
assertThat(this.context.getEnvironment().acceptsProfiles("node")).isTrue();
assertThat(this.context.getEnvironment().getProperty("transport"))
.isEqualTo("redis");
assertThat(this.context.getParent().getEnvironment().acceptsProfiles("node"))
.isTrue();
assertThat(this.context.getParent().getEnvironment().getProperty("transport"))
.isEqualTo("redis");
// only defined in node profile
assertThat(this.context.getEnvironment().getProperty("bar")).isEqualTo("spam");
}
@Test
public void parentFirstWithDifferentProfile() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).profiles("node").properties("transport=redis")
.child(ChildConfig.class).profiles("admin")
.web(WebApplicationType.NONE);
this.context = application.run();
assertThat(this.context.getEnvironment().acceptsProfiles("node", "admin"))
.isTrue();
assertThat(this.context.getParent().getEnvironment().acceptsProfiles("admin"))
.isFalse();
}
@Test
public void parentWithDifferentProfile() throws Exception {
SpringApplicationBuilder shared = new SpringApplicationBuilder(
ExampleConfig.class).profiles("node").properties("transport=redis");
SpringApplicationBuilder application = shared.child(ChildConfig.class)
.profiles("admin").web(WebApplicationType.NONE);
shared.profiles("parent");
this.context = application.run();
assertThat(this.context.getEnvironment().acceptsProfiles("node", "admin"))
.isTrue();
assertThat(this.context.getParent().getEnvironment().acceptsProfiles("node",
"parent")).isTrue();
assertThat(this.context.getParent().getEnvironment().acceptsProfiles("admin"))
.isFalse();
}
@Test
public void parentFirstWithDifferentProfileAndExplicitEnvironment() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).environment(new StandardEnvironment())
.profiles("node").properties("transport=redis")
.child(ChildConfig.class).profiles("admin")
.web(WebApplicationType.NONE);
this.context = application.run();
assertThat(this.context.getEnvironment().acceptsProfiles("node", "admin"))
.isTrue();
// Now they share an Environment explicitly so there's no way to keep the profiles
// separate
assertThat(this.context.getParent().getEnvironment().acceptsProfiles("admin"))
.isTrue();
}
@Test
public void parentContextIdentical() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class);
application.parent(ExampleConfig.class);
application.contextClass(SpyApplicationContext.class);
this.context = application.run();
verify(((SpyApplicationContext) this.context).getApplicationContext())
.setParent(any(ApplicationContext.class));
}
@Test
public void initializersCreatedOnce() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).web(WebApplicationType.NONE);
this.context = application.run();
assertThat(application.application().getInitializers()).hasSize(4);
}
@Test
public void initializersCreatedOnceForChild() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).child(ChildConfig.class)
.web(WebApplicationType.NONE);
this.context = application.run();
assertThat(application.application().getInitializers()).hasSize(5);
}
@Test
public void initializersIncludeDefaults() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).web(WebApplicationType.NONE).initializers(
new ApplicationContextInitializer<ConfigurableApplicationContext>() {
@Override
public void initialize(
ConfigurableApplicationContext applicationContext) {
}
});
this.context = application.run();
assertThat(application.application().getInitializers()).hasSize(5);
}
@Test
public void sourcesWithBoundSources() throws Exception {
SpringApplicationBuilder application = new SpringApplicationBuilder()
.web(WebApplicationType.NONE).sources(ExampleConfig.class)
.properties("spring.main.sources=" + ChildConfig.class.getName());
this.context = application.run();
this.context.getBean(ExampleConfig.class);
this.context.getBean(ChildConfig.class);
}
@Configuration
static class ExampleConfig {
}
@Configuration
static class ChildConfig {
}
public static class SpyApplicationContext extends AnnotationConfigApplicationContext {
private final ConfigurableApplicationContext applicationContext = spy(
new AnnotationConfigApplicationContext());
private ResourceLoader resourceLoader;
private boolean registeredShutdownHook;
@Override
public void setParent(ApplicationContext parent) {
this.applicationContext.setParent(parent);
}
public ConfigurableApplicationContext getApplicationContext() {
return this.applicationContext;
}
@Override
public void setResourceLoader(ResourceLoader resourceLoader) {
super.setResourceLoader(resourceLoader);
this.resourceLoader = resourceLoader;
}
public ResourceLoader getResourceLoader() {
return this.resourceLoader;
}
@Override
public void registerShutdownHook() {
super.registerShutdownHook();
this.registeredShutdownHook = true;
}
public boolean getRegisteredShutdownHook() {
return this.registeredShutdownHook;
}
@Override
public void close() {
super.close();
this.applicationContext.close();
}
@Override
public ApplicationContext getParent() {
return this.applicationContext.getParent();
}
}
}