spring ResourceBundleViewResolverTests 源码
spring ResourceBundleViewResolverTests 代码
文件路径:/spring-webmvc/src/test/java/org/springframework/web/servlet/view/ResourceBundleViewResolverTests.java
/*
* Copyright 2002-2020 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;
import java.util.Locale;
import java.util.Map;
import java.util.MissingResourceException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.BeanIsAbstractException;
import org.springframework.core.io.Resource;
import org.springframework.web.context.support.ServletContextResource;
import org.springframework.web.context.support.StaticWebApplicationContext;
import org.springframework.web.servlet.View;
import org.springframework.web.testfixture.servlet.MockServletContext;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.junit.jupiter.api.Assumptions.assumeTrue;
/**
* @author Rod Johnson
* @author Juergen Hoeller
* @author Sam Brannen
*/
@SuppressWarnings("deprecation")
public class ResourceBundleViewResolverTests {
/** Comes from this package */
private static String PROPS_FILE = "org.springframework.web.servlet.view.testviews";
private final ResourceBundleViewResolver rb = new ResourceBundleViewResolver();
private final StaticWebApplicationContext wac = new StaticWebApplicationContext();
@BeforeEach
public void setUp() throws Exception {
rb.setBasename(PROPS_FILE);
rb.setCache(getCache());
rb.setDefaultParentView("testParent");
wac.setServletContext(new MockServletContext());
wac.refresh();
// This will be propagated to views, so we need it.
rb.setApplicationContext(wac);
}
/**
* Not a constant: allows overrides.
* Controls whether to cache views.
*/
protected boolean getCache() {
return true;
}
@Test
public void parentsAreAbstract() throws Exception {
assertThatExceptionOfType(BeanIsAbstractException.class).isThrownBy(() ->
rb.resolveViewName("debug.Parent", Locale.ENGLISH));
assertThatExceptionOfType(BeanIsAbstractException.class).isThrownBy(() ->
rb.resolveViewName("testParent", Locale.ENGLISH));
}
@Test
public void debugViewEnglish() throws Exception {
View v = rb.resolveViewName("debugView", Locale.ENGLISH);
assertThat(v).isInstanceOf(InternalResourceView.class);
InternalResourceView jv = (InternalResourceView) v;
assertThat(jv.getUrl()).as("debugView must have correct URL").isEqualTo("jsp/debug/debug.jsp");
Map<String, Object> m = jv.getStaticAttributes();
assertThat(m.size()).as("Must have 2 static attributes").isEqualTo(2);
assertThat(m.get("foo")).as("attribute foo").isEqualTo("bar");
assertThat(m.get("postcode")).as("attribute postcode").isEqualTo("SE10 9JY");
assertThat(jv.getContentType()).as("Correct default content type").isEqualTo(AbstractView.DEFAULT_CONTENT_TYPE);
}
@Test
public void debugViewFrench() throws Exception {
View v = rb.resolveViewName("debugView", Locale.FRENCH);
assertThat(v).isInstanceOf(InternalResourceView.class);
InternalResourceView jv = (InternalResourceView) v;
assertThat(jv.getUrl()).as("French debugView must have correct URL").isEqualTo("jsp/debug/deboug.jsp");
assertThat(jv.getContentType()).as("Correct overridden (XML) content type").isEqualTo("text/xml;charset=ISO-8859-1");
}
@Test
public void eagerInitialization() throws Exception {
ResourceBundleViewResolver rb = new ResourceBundleViewResolver();
rb.setBasename(PROPS_FILE);
rb.setCache(getCache());
rb.setDefaultParentView("testParent");
rb.setLocalesToInitialize(new Locale[] {Locale.ENGLISH, Locale.FRENCH});
rb.setApplicationContext(wac);
View v = rb.resolveViewName("debugView", Locale.FRENCH);
assertThat(v).isInstanceOf(InternalResourceView.class);
InternalResourceView jv = (InternalResourceView) v;
assertThat(jv.getUrl()).as("French debugView must have correct URL").isEqualTo("jsp/debug/deboug.jsp");
assertThat(jv.getContentType()).as("Correct overridden (XML) content type").isEqualTo("text/xml;charset=ISO-8859-1");
}
@Test
public void sameBundleOnlyCachedOnce() throws Exception {
assumeTrue(rb.isCache());
View v1 = rb.resolveViewName("debugView", Locale.ENGLISH);
View v2 = rb.resolveViewName("debugView", Locale.UK);
assertThat(v2).isSameAs(v1);
}
@Test
public void noSuchViewEnglish() throws Exception {
assertThat((Object) rb.resolveViewName("xxxxxxweorqiwuopeir", Locale.ENGLISH)).isNull();
}
@Test
public void onSetContextCalledOnce() throws Exception {
TestView tv = (TestView) rb.resolveViewName("test", Locale.ENGLISH);
tv = (TestView) rb.resolveViewName("test", Locale.ENGLISH);
tv = (TestView) rb.resolveViewName("test", Locale.ENGLISH);
assertThat(tv.getBeanName()).as("test has correct name").isEqualTo("test");
assertThat(tv.initCount).as("test should have been initialized once, not ").isEqualTo(1);
}
@Test
public void noSuchBasename() throws Exception {
rb.setBasename("weoriwoierqupowiuer");
assertThatExceptionOfType(MissingResourceException.class).isThrownBy(() ->
rb.resolveViewName("debugView", Locale.ENGLISH));
}
static class TestView extends AbstractView {
public int initCount;
public void setLocation(Resource location) {
if (!(location instanceof ServletContextResource)) {
throw new IllegalArgumentException("Expecting ServletContextResource, not " + location.getClass().getName());
}
}
@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
HttpServletResponse response) {
}
@Override
protected void initApplicationContext() {
++initCount;
}
}
}
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