/*
* 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.devtools.restart;
import java.io.File;
import java.io.IOException;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.springframework.boot.devtools.restart.ClassLoaderFilesResourcePatternResolver.DeletedClassLoaderFileResource;
import org.springframework.boot.devtools.restart.classloader.ClassLoaderFile;
import org.springframework.boot.devtools.restart.classloader.ClassLoaderFile.Kind;
import org.springframework.boot.devtools.restart.classloader.ClassLoaderFiles;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.mock.web.MockServletContext;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.context.support.GenericWebApplicationContext;
import org.springframework.web.context.support.ServletContextResource;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
/**
* Tests for {@link ClassLoaderFilesResourcePatternResolver}.
*
* @author Phillip Webb
* @author Andy Wilkinson
*/
public class ClassLoaderFilesResourcePatternResolverTests {
@Rule
public TemporaryFolder temp = new TemporaryFolder();
private ClassLoaderFiles files;
private ClassLoaderFilesResourcePatternResolver resolver;
@Before
public void setup() {
this.files = new ClassLoaderFiles();
this.resolver = new ClassLoaderFilesResourcePatternResolver(
new GenericApplicationContext(), this.files);
}
@Test
public void getClassLoaderShouldReturnClassLoader() throws Exception {
assertThat(this.resolver.getClassLoader()).isNotNull();
}
@Test
public void getResourceShouldReturnResource() throws Exception {
Resource resource = this.resolver.getResource("index.html");
assertThat(resource).isNotNull().isInstanceOf(ClassPathResource.class);
}
@Test
public void getResourceWhenHasServletContextShouldReturnServletResource()
throws Exception {
GenericWebApplicationContext context = new GenericWebApplicationContext(
new MockServletContext());
this.resolver = new ClassLoaderFilesResourcePatternResolver(context, this.files);
Resource resource = this.resolver.getResource("index.html");
assertThat(resource).isNotNull().isInstanceOf(ServletContextResource.class);
}
@Test
public void getResourceWhenDeletedShouldReturnDeletedResource() throws Exception {
File folder = this.temp.newFolder();
File file = createFile(folder, "name.class");
this.files.addFile(folder.getName(), "name.class",
new ClassLoaderFile(Kind.DELETED, null));
Resource resource = this.resolver.getResource("file:" + file.getAbsolutePath());
assertThat(resource).isNotNull()
.isInstanceOf(DeletedClassLoaderFileResource.class);
}
@Test
public void getResourcesShouldReturnResources() throws Exception {
File folder = this.temp.newFolder();
createFile(folder, "name.class");
Resource[] resources = this.resolver
.getResources("file:" + folder.getAbsolutePath() + "/**");
assertThat(resources).isNotEmpty();
}
@Test
public void getResourcesWhenDeletedShouldFilterDeleted() throws Exception {
File folder = this.temp.newFolder();
createFile(folder, "name.class");
this.files.addFile(folder.getName(), "name.class",
new ClassLoaderFile(Kind.DELETED, null));
Resource[] resources = this.resolver
.getResources("file:" + folder.getAbsolutePath() + "/**");
assertThat(resources).isEmpty();
}
@Test
public void customResourceLoaderIsUsedInNonWebApplication() throws Exception {
GenericApplicationContext context = new GenericApplicationContext();
ResourceLoader resourceLoader = mock(ResourceLoader.class);
context.setResourceLoader(resourceLoader);
this.resolver = new ClassLoaderFilesResourcePatternResolver(context, this.files);
this.resolver.getResource("foo.txt");
verify(resourceLoader).getResource("foo.txt");
}
@Test
public void customResourceLoaderIsUsedInWebApplication() throws Exception {
GenericWebApplicationContext context = new GenericWebApplicationContext(
new MockServletContext());
ResourceLoader resourceLoader = mock(ResourceLoader.class);
context.setResourceLoader(resourceLoader);
this.resolver = new ClassLoaderFilesResourcePatternResolver(context, this.files);
this.resolver.getResource("foo.txt");
verify(resourceLoader).getResource("foo.txt");
}
private File createFile(File folder, String name) throws IOException {
File file = new File(folder, name);
FileCopyUtils.copy("test".getBytes(), file);
return file;
}
}