spring ArgumentTagTests 源码

spring ArgumentTagTests 代码

文件路径：/spring-webmvc/src/test/java/org/springframework/web/servlet/tags/ArgumentTagTests.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;

import jakarta.servlet.jsp.JspException;
import jakarta.servlet.jsp.PageContext;
import jakarta.servlet.jsp.tagext.Tag;
import jakarta.servlet.jsp.tagext.TagSupport;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import org.springframework.web.testfixture.servlet.MockBodyContent;
import org.springframework.web.testfixture.servlet.MockHttpServletResponse;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * Unit tests for {@link ArgumentTag}
 *
 * @author Nicholas Williams
 */
public class ArgumentTagTests extends AbstractTagTests {

	private ArgumentTag tag;

	private MockArgumentSupportTag parent;

	@BeforeEach
	public void setUp() throws Exception {
		PageContext context = createPageContext();
		parent = new MockArgumentSupportTag();
		tag = new ArgumentTag();
		tag.setPageContext(context);
		tag.setParent(parent);
	}

	@Test
	public void argumentWithStringValue() throws JspException {
		tag.setValue("value1");

		int action = tag.doEndTag();

		assertThat(action).isEqualTo(Tag.EVAL_PAGE);
		assertThat(parent.getArgument()).isEqualTo("value1");
	}

	@Test
	public void argumentWithImplicitNullValue() throws JspException {
		int action = tag.doEndTag();

		assertThat(action).isEqualTo(Tag.EVAL_PAGE);
		assertThat(parent.getArgument()).isNull();
	}

	@Test
	public void argumentWithExplicitNullValue() throws JspException {
		tag.setValue(null);

		int action = tag.doEndTag();

		assertThat(action).isEqualTo(Tag.EVAL_PAGE);
		assertThat(parent.getArgument()).isNull();
	}

	@Test
	public void argumentWithBodyValue() throws JspException {
		tag.setBodyContent(new MockBodyContent("value2",
				new MockHttpServletResponse()));

		int action = tag.doEndTag();

		assertThat(action).isEqualTo(Tag.EVAL_PAGE);
		assertThat(parent.getArgument()).isEqualTo("value2");
	}

	@Test
	public void argumentWithValueThenReleaseThenBodyValue() throws JspException {
		tag.setValue("value3");

		int action = tag.doEndTag();

		assertThat(action).isEqualTo(Tag.EVAL_PAGE);
		assertThat(parent.getArgument()).isEqualTo("value3");

		tag.release();

		parent = new MockArgumentSupportTag();
		tag.setPageContext(createPageContext());
		tag.setParent(parent);
		tag.setBodyContent(new MockBodyContent("value4",
				new MockHttpServletResponse()));

		action = tag.doEndTag();

		assertThat(action).isEqualTo(Tag.EVAL_PAGE);
		assertThat(parent.getArgument()).isEqualTo("value4");
	}

	@SuppressWarnings("serial")
	private class MockArgumentSupportTag extends TagSupport implements ArgumentAware {

		Object argument;

		@Override
		public void addArgument(Object argument) {
			this.argument = argument;
		}

		private Object getArgument() {
			return argument;
		}
	}

}

相关信息

spring 源码目录

相关文章

spring AbstractTagTests 源码

spring BindTagOutsideDispatcherServletTests 源码

spring BindTagTests 源码

spring EvalTagTests 源码

spring HtmlEscapeTagOutsideDispatcherServletTests 源码

spring HtmlEscapeTagTests 源码

spring MessageTagOutsideDispatcherServletTests 源码

spring MessageTagTests 源码

spring ParamTagTests 源码

spring ParamTests 源码