我正在尝试使用Spring MVC测试和HTMLUnit测试我的网页。我需要获取HTML页面,以便可以在页面中设置值并提交,但出现以下异常。我该如何实现?我是否以正确的方式前进?请考虑我,因为我是TDD的新手。
错误堆栈跟踪:
java.lang.ClassCastException: com.gargoylesoftware.htmlunit.TextPage cannot be cast to com.gargoylesoftware.htmlunit.html.HtmlPage
at com.demo.htmlunit.test.LoginControllerHtmlUnitTest.userLoginTest(LoginControllerHtmlUnitTest.java:51)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:233)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:176)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
我的测试课程是:
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.htmlunit.MockMvcWebConnection;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlForm;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
import com.gargoylesoftware.htmlunit.html.HtmlPasswordInput;
import com.gargoylesoftware.htmlunit.html.HtmlSubmitInput;
import com.gargoylesoftware.htmlunit.html.HtmlTextInput;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
@WebAppConfiguration
public class LoginControllerHtmlUnitTest {
@Autowired
private WebApplicationContext context;
private WebClient webClient;
@Before
public void setup() {
System.out.println("In set Up");
MockMvc mockMvc = MockMvcBuilders.webAppContextSetup(context).build();
webClient = new WebClient();
webClient.setWebConnection(new MockMvcWebConnection(mockMvc));
}
@After
public void cleanup() {
this.webClient.closeAllWindows();
}
@Test
public void userLoginTest() {
try {
// Load the Login Form
System.out.println("In User Login Test");
HtmlPage createLoginFormPage = webClient
.getPage("http://localhost:8080/htmlunitdemo/login");
System.out.println("createLoginFormPage:"+createLoginFormPage);
// Setting Values in the Login form
HtmlForm form = createLoginFormPage.getHtmlElementById("loginForm");
HtmlTextInput usernameInput = createLoginFormPage
.getHtmlElementById("username");
usernameInput.setValueAttribute("admin");
HtmlPasswordInput passwordInput = createLoginFormPage
.getHtmlElementById("passcode");
passwordInput.setText("admin123");
HtmlSubmitInput submit = form.getOneHtmlElementByAttribute("input",
"type", "submit");
// Submitting Form
HtmlPage newPage = submit.click();
System.out.println("New Page:" + newPage.asXml());
} catch (Exception e) {
e.printStackTrace();
}
}
}
applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"
default-lazy-init="true">
<context:component-scan base-package="com.demo.htmlunit.controller" />
<mvc:annotation-driven />
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>
最佳答案
HtmlSubmitInput submitBtn = currentPage.getFirstByXPath("//input[@value='Search']");
currentPage = submitBtn.click();
关于java - HtmlUnit类强制转换异常:TextPage无法强制转换为HtmlPage,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/23774241/