spring OptionTagEnumTests 源码
spring OptionTagEnumTests 代码
文件路径：/spring-webmvc/src/test/java/org/springframework/web/servlet/tags/form/OptionTagEnumTests.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.tags.form;
import jakarta.servlet.jsp.tagext.BodyTag;
import jakarta.servlet.jsp.tagext.Tag;
import org.junit.jupiter.api.Test;
import org.springframework.beans.testfixture.beans.CustomEnum;
import org.springframework.beans.testfixture.beans.GenericBean;
import org.springframework.web.servlet.support.BindStatus;
import static org.assertj.core.api.Assertions.assertThat;
/**
* @author Juergen Hoeller
*/
public class OptionTagEnumTests extends AbstractHtmlElementTagTests {
private OptionTag tag;
private SelectTag parentTag;
@Override
@SuppressWarnings("serial")
protected void onSetUp() {
this.tag = new OptionTag() {
@Override
protected TagWriter createTagWriter() {
return new TagWriter(getWriter());
}
};
this.parentTag = new SelectTag() {
@Override
public String getName() {
// Should not be used other than to delegate to
// RequestDataValueDataProcessor
return "testName";
}
};
this.tag.setParent(this.parentTag);
this.tag.setPageContext(getPageContext());
}
@Test
@SuppressWarnings("rawtypes")
public void withJavaEnum() throws Exception {
GenericBean testBean = new GenericBean();
testBean.setCustomEnum(CustomEnum.VALUE_1);
getPageContext().getRequest().setAttribute("testBean", testBean);
String selectName = "testBean.customEnum";
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE,
new BindStatus(getRequestContext(), selectName, false));
this.tag.setValue("VALUE_1");
int result = this.tag.doStartTag();
assertThat(result).isEqualTo(BodyTag.EVAL_BODY_BUFFERED);
result = this.tag.doEndTag();
assertThat(result).isEqualTo(Tag.EVAL_PAGE);
String output = getWriter().toString();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", "VALUE_1");
assertContainsAttribute(output, "selected", "selected");
}
private void assertOptionTagOpened(String output) {
assertThat(output.startsWith("<option")).isTrue();
}
private void assertOptionTagClosed(String output) {
assertThat(output.endsWith("</option>")).isTrue();
}
}
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