Mockito无法模拟此类：类javax.servlet.jsp.PageContext

Question

    Java               : 1.8
    JVM vendor name    : Oracle Corporation
    JVM vendor version : 25.202-b08
    JVM name           : Java HotSpot(TM) 64-Bit Server VM
    JVM version        : 1.8.0_202-b08
    JVM info           : mixed mode
    OS name            : Windows 10
    OS version         : 10.0

Underlying exception : java.lang.IllegalArgumentException: Could not create type
            at com.ups.webappcommon.cclamp.cclamptag.Wems_GetContentTagTest.setUp(Wems_GetContentTagTest.java:22)
            at junit.framework.TestCase.runBare(TestCase.java:125)
            at junit.framework.TestResult$1.protect(TestResult.java:106)
            at junit.framework.TestResult.runProtected(TestResult.java:124)
            at junit.framework.TestResult.run(TestResult.java:109)
            at junit.framework.TestCase.run(TestCase.java:118)
            at junit.framework.TestSuite.runTest(TestSuite.java:208)
            at junit.framework.TestSuite.run(TestSuite.java:203)
            at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:35)
            at org.mockito.internal.MockitoCore.mock(MockitoCore.java:62)
            at org.mockito.Mockito.mock(Mockito.java:1896)
            at org.mockito.Mockito.mock(Mockito.java:1805)
            ... 14 more
        Caused by: java.lang.NoClassDefFoundError: javax/el/ELContext
            at java.lang.Class.getDeclaredMethods0(Native Method)
            at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
            at java.lang.Class.getDeclaredMethods(Unknown Source)
            at net.bytebuddy.description.method.MethodList$ForLoadedMethods.
        Caused by: java.lang.ClassNotFoundException: javax.el.ELContext
            at java.net.URLClassLoader.findClass(Unknown Source)
            at java.lang.ClassLoader.loadClass(Unknown Source)
            at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
            at java.lang.ClassLoader.loadClass(Unknown Source)
            ... 49 more

    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.jsp.PageContext;
    import org.mockito.Mockito;
    import junit.framework.TestCase;

    public class xxxxxx extends TestCase {

        public xxxxxxxxxxxxxxxxx xx = new xxxxxxxxxxxxxxx();
        private final PageContext pageContext = Mockito.mock(PageContext.class);
        public HttpServletRequest request;

        protected void setUp() throws Exception {
            super.setUp();
            xxxxxxxxx.setPageContext(pageContext);
            request = Mockito.mock(HttpServletRequest.class);
            xxxxxxxx.setPageContext(pageContext);
            Mockito.when(pageContext.getRequest()).thenReturn(request);
        }

Answer 1

这里：

原因：java.lang.NoClassDefoundError：javax/el/elContext

这才是真正的问题。这归结为：项目设置不足。

您必须确保满足所有的依赖关系，即使是“可传递”的东西。

换句话说：确保您的类路径中有el-api.jar。

注意：错误消息...

Mockito只能模拟非私有和非最终类。