spring FreeMarkerConfigurerTests 源码
spring FreeMarkerConfigurerTests 代码
文件路径:/spring-webmvc/src/test/java/org/springframework/web/servlet/view/freemarker/FreeMarkerConfigurerTests.java
/*
* Copyright 2002-2019 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
*
* https://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.web.servlet.view.freemarker;
import java.util.HashMap;
import java.util.Properties;
import freemarker.cache.ClassTemplateLoader;
import freemarker.cache.MultiTemplateLoader;
import freemarker.template.Configuration;
import freemarker.template.Template;
import org.junit.jupiter.api.Test;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;
import org.springframework.ui.freemarker.SpringTemplateLoader;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIOException;
/**
* @author Juergen Hoeller
* @author Issam El-atif
* @author Sam Brannen
*/
public class FreeMarkerConfigurerTests {
private final FreeMarkerConfigurer freeMarkerConfigurer = new FreeMarkerConfigurer();
@Test
public void freeMarkerConfigurerWithConfigLocation() {
freeMarkerConfigurer.setConfigLocation(new FileSystemResource("myprops.properties"));
Properties props = new Properties();
props.setProperty("myprop", "/mydir");
freeMarkerConfigurer.setFreemarkerSettings(props);
assertThatIOException().isThrownBy(freeMarkerConfigurer::afterPropertiesSet);
}
@Test
public void freeMarkerConfigurerWithResourceLoaderPath() throws Exception {
freeMarkerConfigurer.setTemplateLoaderPath("file:/mydir");
freeMarkerConfigurer.afterPropertiesSet();
Configuration cfg = freeMarkerConfigurer.getConfiguration();
assertThat(cfg.getTemplateLoader()).isInstanceOf(MultiTemplateLoader.class);
MultiTemplateLoader multiTemplateLoader = (MultiTemplateLoader)cfg.getTemplateLoader();
assertThat(multiTemplateLoader.getTemplateLoader(0)).isInstanceOf(SpringTemplateLoader.class);
assertThat(multiTemplateLoader.getTemplateLoader(1)).isInstanceOf(ClassTemplateLoader.class);
}
@Test
@SuppressWarnings("rawtypes")
public void freeMarkerConfigurerWithNonFileResourceLoaderPath() throws Exception {
freeMarkerConfigurer.setTemplateLoaderPath("file:/mydir");
Properties settings = new Properties();
settings.setProperty("localized_lookup", "false");
freeMarkerConfigurer.setFreemarkerSettings(settings);
freeMarkerConfigurer.setResourceLoader(new ResourceLoader() {
@Override
public Resource getResource(String location) {
if (!("file:/mydir".equals(location) || "file:/mydir/test".equals(location))) {
throw new IllegalArgumentException(location);
}
return new ByteArrayResource("test".getBytes(), "test");
}
@Override
public ClassLoader getClassLoader() {
return getClass().getClassLoader();
}
});
freeMarkerConfigurer.afterPropertiesSet();
assertThat(freeMarkerConfigurer.getConfiguration()).isInstanceOf(Configuration.class);
Configuration fc = freeMarkerConfigurer.getConfiguration();
Template ft = fc.getTemplate("test");
assertThat(FreeMarkerTemplateUtils.processTemplateIntoString(ft, new HashMap())).isEqualTo("test");
}
}
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