/*
* 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;
import java.io.PrintStream;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.MockitoAnnotations;
import org.springframework.boot.Banner.Mode;
import org.springframework.boot.testutil.InternalOutputCapture;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.test.util.ReflectionTestUtils;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.verify;
/**
* Tests for {@link Banner} and its usage by {@link SpringApplication}.
*
* @author Phillip Webb
* @author Michael Stummvoll
* @author Michael Simons
*/
public class BannerTests {
private ConfigurableApplicationContext context;
@After
public void cleanUp() {
if (this.context != null) {
this.context.close();
}
}
@Rule
public InternalOutputCapture out = new InternalOutputCapture();
@Captor
private ArgumentCaptor<Class<?>> sourceClassCaptor;
@Before
public void setup() {
MockitoAnnotations.initMocks(this);
}
@Test
public void testDefaultBanner() throws Exception {
SpringApplication application = new SpringApplication(Config.class);
application.setWebApplicationType(WebApplicationType.NONE);
this.context = application.run();
assertThat(this.out.toString()).contains(":: Spring Boot ::");
}
@Test
public void testDefaultBannerInLog() throws Exception {
SpringApplication application = new SpringApplication(Config.class);
application.setWebApplicationType(WebApplicationType.NONE);
this.context = application.run();
assertThat(this.out.toString()).contains(":: Spring Boot ::");
}
@Test
public void testCustomBanner() throws Exception {
SpringApplication application = new SpringApplication(Config.class);
application.setWebApplicationType(WebApplicationType.NONE);
application.setBanner(new DummyBanner());
this.context = application.run();
assertThat(this.out.toString()).contains("My Banner");
}
@Test
public void testBannerInContext() throws Exception {
SpringApplication application = new SpringApplication(Config.class);
application.setWebApplicationType(WebApplicationType.NONE);
this.context = application.run();
assertThat(this.context.containsBean("springBootBanner")).isTrue();
}
@Test
public void testCustomBannerInContext() throws Exception {
SpringApplication application = new SpringApplication(Config.class);
application.setWebApplicationType(WebApplicationType.NONE);
Banner banner = mock(Banner.class);
application.setBanner(banner);
this.context = application.run();
Banner printedBanner = (Banner) this.context.getBean("springBootBanner");
assertThat(ReflectionTestUtils.getField(printedBanner, "banner"))
.isEqualTo(banner);
verify(banner).printBanner(any(Environment.class),
this.sourceClassCaptor.capture(), any(PrintStream.class));
reset(banner);
printedBanner.printBanner(this.context.getEnvironment(), null, System.out);
verify(banner).printBanner(any(Environment.class),
eq(this.sourceClassCaptor.getValue()), any(PrintStream.class));
}
@Test
public void testDisableBannerInContext() throws Exception {
SpringApplication application = new SpringApplication(Config.class);
application.setBannerMode(Mode.OFF);
application.setWebApplicationType(WebApplicationType.NONE);
this.context = application.run();
assertThat(this.context.containsBean("springBootBanner")).isFalse();
}
static class DummyBanner implements Banner {
@Override
public void printBanner(Environment environment, Class<?> sourceClass,
PrintStream out) {
out.println("My Banner");
}
}
@Configuration
public static class Config {
}
}