spring FormTagTests 源码

2022-08-08
浏览 (347)

spring FormTagTests 代码

文件路径：/spring-webmvc/src/test/java/org/springframework/web/servlet/tags/form/FormTagTests.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 java.util.Collections;

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

import org.springframework.web.servlet.support.RequestDataValueProcessor;
import org.springframework.web.testfixture.servlet.MockHttpServletRequest;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
import static org.mockito.BDDMockito.given;

/**
 * @author Rob Harrop
 * @author Rick Evans
 * @author Juergen Hoeller
 * @author Scott Andrews
 * @author Jeremy Grelle
 * @author Rossen Stoyanchev
 */
public class FormTagTests extends AbstractHtmlElementTagTests {

	private static final String REQUEST_URI = "/my/form";

	private static final String QUERY_STRING = "foo=bar";

	private FormTag tag;

	private MockHttpServletRequest request;


	@Override
	@SuppressWarnings("serial")
	protected void onSetUp() {
		this.tag = new FormTag() {
			@Override
			protected TagWriter createTagWriter() {
				return new TagWriter(getWriter());
			}
		};
		this.tag.setPageContext(getPageContext());
	}

	@Override
	protected void extendRequest(MockHttpServletRequest request) {
		request.setRequestURI(REQUEST_URI);
		request.setQueryString(QUERY_STRING);
		this.request = request;
	}

	@Test
	public void writeForm() throws Exception {
		String commandName = "myCommand";
		String name = "formName";
		String action = "/form.html";
		String method = "POST";
		String target = "myTarget";
		String enctype = "my/enctype";
		String acceptCharset = "iso-8859-1";
		String onsubmit = "onsubmit";
		String onreset = "onreset";
		String autocomplete = "off";
		String cssClass = "myClass";
		String cssStyle = "myStyle";
		String dynamicAttribute1 = "attr1";
		String dynamicAttribute2 = "attr2";

		this.tag.setName(name);
		this.tag.setCssClass(cssClass);
		this.tag.setCssStyle(cssStyle);
		this.tag.setModelAttribute(commandName);
		this.tag.setAction(action);
		this.tag.setMethod(method);
		this.tag.setTarget(target);
		this.tag.setEnctype(enctype);
		this.tag.setAcceptCharset(acceptCharset);
		this.tag.setOnsubmit(onsubmit);
		this.tag.setOnreset(onreset);
		this.tag.setAutocomplete(autocomplete);
		this.tag.setDynamicAttribute(null, dynamicAttribute1, dynamicAttribute1);
		this.tag.setDynamicAttribute(null, dynamicAttribute2, dynamicAttribute2);

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.EVAL_BODY_INCLUDE);
		assertThat(getPageContext().getRequest().getAttribute(FormTag.MODEL_ATTRIBUTE_VARIABLE_NAME)).as("Form attribute not exposed").isEqualTo(commandName);

		result = this.tag.doEndTag();
		assertThat(result).isEqualTo(Tag.EVAL_PAGE);

		this.tag.doFinally();
		assertThat(getPageContext().getRequest().getAttribute(FormTag.MODEL_ATTRIBUTE_VARIABLE_NAME)).as("Form attribute not cleared after tag ends").isNull();

		String output = getOutput();
		assertFormTagOpened(output);
		assertFormTagClosed(output);

		assertContainsAttribute(output, "class", cssClass);
		assertContainsAttribute(output, "style", cssStyle);
		assertContainsAttribute(output, "action", action);
		assertContainsAttribute(output, "method", method);
		assertContainsAttribute(output, "target", target);
		assertContainsAttribute(output, "enctype", enctype);
		assertContainsAttribute(output, "accept-charset", acceptCharset);
		assertContainsAttribute(output, "onsubmit", onsubmit);
		assertContainsAttribute(output, "onreset", onreset);
		assertContainsAttribute(output, "autocomplete", autocomplete);
		assertContainsAttribute(output, "id", commandName);
		assertContainsAttribute(output, "name", name);
		assertContainsAttribute(output, dynamicAttribute1, dynamicAttribute1);
		assertContainsAttribute(output, dynamicAttribute2, dynamicAttribute2);
	}

	@Test
	public void withActionFromRequest() throws Exception {
		String commandName = "myCommand";
		String enctype = "my/enctype";
		String method = "POST";
		String onsubmit = "onsubmit";
		String onreset = "onreset";

		this.tag.setModelAttribute(commandName);
		this.tag.setMethod(method);
		this.tag.setEnctype(enctype);
		this.tag.setOnsubmit(onsubmit);
		this.tag.setOnreset(onreset);

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.EVAL_BODY_INCLUDE);
		assertThat(getPageContext().getAttribute(FormTag.MODEL_ATTRIBUTE_VARIABLE_NAME, PageContext.REQUEST_SCOPE)).as("Form attribute not exposed").isEqualTo(commandName);

		result = this.tag.doEndTag();
		assertThat(result).isEqualTo(Tag.EVAL_PAGE);

		this.tag.doFinally();
		assertThat(getPageContext().getAttribute(FormTag.MODEL_ATTRIBUTE_VARIABLE_NAME, PageContext.REQUEST_SCOPE)).as("Form attribute not cleared after tag ends").isNull();

		String output = getOutput();
		assertFormTagOpened(output);
		assertFormTagClosed(output);

		assertContainsAttribute(output, "action", REQUEST_URI + "?" + QUERY_STRING);
		assertContainsAttribute(output, "method", method);
		assertContainsAttribute(output, "enctype", enctype);
		assertContainsAttribute(output, "onsubmit", onsubmit);
		assertContainsAttribute(output, "onreset", onreset);
		assertAttributeNotPresent(output, "name");
	}

	@Test
	public void prependServletPath() throws Exception {

		this.request.setContextPath("/myApp");
		this.request.setServletPath("/main");
		this.request.setPathInfo("/index.html");

		String commandName = "myCommand";
		String action = "/form.html";
		String enctype = "my/enctype";
		String method = "POST";
		String onsubmit = "onsubmit";
		String onreset = "onreset";

		this.tag.setModelAttribute(commandName);
		this.tag.setServletRelativeAction(action);
		this.tag.setMethod(method);
		this.tag.setEnctype(enctype);
		this.tag.setOnsubmit(onsubmit);
		this.tag.setOnreset(onreset);

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.EVAL_BODY_INCLUDE);
		assertThat(getPageContext().getAttribute(FormTag.MODEL_ATTRIBUTE_VARIABLE_NAME, PageContext.REQUEST_SCOPE)).as("Form attribute not exposed").isEqualTo(commandName);

		result = this.tag.doEndTag();
		assertThat(result).isEqualTo(Tag.EVAL_PAGE);

		this.tag.doFinally();
		assertThat(getPageContext().getAttribute(FormTag.MODEL_ATTRIBUTE_VARIABLE_NAME, PageContext.REQUEST_SCOPE)).as("Form attribute not cleared after tag ends").isNull();

		String output = getOutput();
		assertFormTagOpened(output);
		assertFormTagClosed(output);

		assertContainsAttribute(output, "action", "/myApp/main/form.html");
		assertContainsAttribute(output, "method", method);
		assertContainsAttribute(output, "enctype", enctype);
		assertContainsAttribute(output, "onsubmit", onsubmit);
		assertContainsAttribute(output, "onreset", onreset);
		assertAttributeNotPresent(output, "name");
	}

	@Test
	public void withNullResolvedCommand() throws Exception {
		tag.setModelAttribute(null);
		assertThatIllegalArgumentException().isThrownBy(
				tag::doStartTag);
	}

	/**
	 * https://jira.spring.io/browse/SPR-2645
	 */
	@Test
	public void xssExploitWhenActionIsResolvedFromQueryString() throws Exception {
		String xssQueryString = QUERY_STRING + "&stuff=\"><script>alert('XSS!')</script>";
		request.setQueryString(xssQueryString);
		tag.doStartTag();
		assertThat(getOutput()).isEqualTo(("<form id=\"command\" action=\"/my/form?foo=bar&amp;stuff=&quot;&gt;&lt;" +
						"script&gt;alert(&#39;XSS!&#39;)&lt;/script&gt;\" method=\"post\">"));
	}

	@Test
	public void get() throws Exception {
		this.tag.setMethod("get");

		this.tag.doStartTag();
		this.tag.doEndTag();
		this.tag.doFinally();

		String output = getOutput();
		String formOutput = getFormTag(output);
		String inputOutput = getInputTag(output);

		assertContainsAttribute(formOutput, "method", "get");
		assertThat(inputOutput).isEqualTo("");
	}

	@Test
	public void post() throws Exception {
		this.tag.setMethod("post");

		this.tag.doStartTag();
		this.tag.doEndTag();
		this.tag.doFinally();

		String output = getOutput();
		String formOutput = getFormTag(output);
		String inputOutput = getInputTag(output);

		assertContainsAttribute(formOutput, "method", "post");
		assertThat(inputOutput).isEqualTo("");
	}

	@Test
	public void put() throws Exception {
		this.tag.setMethod("put");

		this.tag.doStartTag();
		this.tag.doEndTag();
		this.tag.doFinally();

		String output = getOutput();
		String formOutput = getFormTag(output);
		String inputOutput = getInputTag(output);

		assertContainsAttribute(formOutput, "method", "post");
		assertContainsAttribute(inputOutput, "name", "_method");
		assertContainsAttribute(inputOutput, "value", "put");
		assertContainsAttribute(inputOutput, "type", "hidden");
	}

	@Test
	public void delete() throws Exception {
		this.tag.setMethod("delete");

		this.tag.doStartTag();
		this.tag.doEndTag();
		this.tag.doFinally();

		String output = getOutput();
		String formOutput = getFormTag(output);
		String inputOutput = getInputTag(output);

		assertContainsAttribute(formOutput, "method", "post");
		assertContainsAttribute(inputOutput, "name", "_method");
		assertContainsAttribute(inputOutput, "value", "delete");
		assertContainsAttribute(inputOutput, "type", "hidden");
	}

	@Test
	public void customMethodParameter() throws Exception {
		this.tag.setMethod("put");
		this.tag.setMethodParam("methodParameter");

		this.tag.doStartTag();
		this.tag.doEndTag();
		this.tag.doFinally();

		String output = getOutput();
		String formOutput = getFormTag(output);
		String inputOutput = getInputTag(output);

		assertContainsAttribute(formOutput, "method", "post");
		assertContainsAttribute(inputOutput, "name", "methodParameter");
		assertContainsAttribute(inputOutput, "value", "put");
		assertContainsAttribute(inputOutput, "type", "hidden");
	}

	@Test
	public void clearAttributesOnFinally() throws Exception {
		this.tag.setModelAttribute("model");
		getPageContext().setAttribute("model", "foo bar");
		assertThat(getPageContext().getAttribute(FormTag.MODEL_ATTRIBUTE_VARIABLE_NAME, PageContext.REQUEST_SCOPE)).isNull();
		this.tag.doStartTag();
		assertThat(getPageContext().getAttribute(FormTag.MODEL_ATTRIBUTE_VARIABLE_NAME, PageContext.REQUEST_SCOPE)).isNotNull();
		this.tag.doFinally();
		assertThat(getPageContext().getAttribute(FormTag.MODEL_ATTRIBUTE_VARIABLE_NAME, PageContext.REQUEST_SCOPE)).isNull();
	}

	@Test
	public void requestDataValueProcessorHooks() throws Exception {
		String action = "/my/form?foo=bar";
		RequestDataValueProcessor processor = getMockRequestDataValueProcessor();
		given(processor.processAction(this.request, action, "post")).willReturn(action);
		given(processor.getExtraHiddenFields(this.request)).willReturn(Collections.singletonMap("key", "value"));

		this.tag.doStartTag();
		this.tag.doEndTag();
		this.tag.doFinally();

		String output = getOutput();

		assertThat(getInputTag(output)).isEqualTo("<div>\n<input type=\"hidden\" name=\"key\" value=\"value\" />\n</div>");
		assertFormTagOpened(output);
		assertFormTagClosed(output);
	}

	@Test
	public void defaultActionEncoded() throws Exception {

		this.request.setRequestURI("/a b c");
		request.setQueryString("");

		this.tag.doStartTag();
		this.tag.doEndTag();
		this.tag.doFinally();

		String output = getOutput();
		String formOutput = getFormTag(output);

		assertContainsAttribute(formOutput, "action", "/a%20b%20c");
	}

	private String getFormTag(String output) {
		int inputStart = output.indexOf("<", 1);
		int inputEnd = output.lastIndexOf(">", output.length() - 2);
		return output.substring(0, inputStart) + output.substring(inputEnd + 1);
	}

	private String getInputTag(String output) {
		int inputStart = output.indexOf("<", 1);
		int inputEnd = output.lastIndexOf(">", output.length() - 2);
		return output.substring(inputStart, inputEnd + 1);
	}


	private static void assertFormTagOpened(String output) {
		assertThat(output.startsWith("<form ")).isTrue();
	}

	private static void assertFormTagClosed(String output) {
		assertThat(output.endsWith("</form>")).isTrue();
	}

}

相关信息

spring 源码目录

相关文章

spring AbstractFormTagTests 源码

spring AbstractHtmlElementTagTests 源码

spring ButtonTagTests 源码

spring CheckboxTagTests 源码

spring CheckboxesTagTests 源码

spring Country 源码

spring ErrorsTagTests 源码

spring HiddenInputTagTests 源码

spring InputTagTests 源码

spring ItemPet 源码

0 赞

所属分类： 后端技术
本文标签： Java Spring
版权声明： 原创文章如转载，请注明本文链接: https://m.seaxiang.com/blog/2097e89a4a604cee91510a21c966493c

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
6、 harmony 鸿蒙初识ArkTS语言
7、 golang
8、 flink kafka connector scan.startup.mode 的几个选项
9、 openharmony
10、 Vue中input框自动聚焦

Loading...