尝试从main方法运行TestNG时，无法在类路径中找到类

Question

public class LaunchTests {

public static void main(String[] args) {
    TestListenerAdapter tla = new TestListenerAdapter();
    TestNG testng = new TestNG();
    List<String> suites = new ArrayList();
    suites.add("testng.xml");//path to xml..
    testng.setTestSuites(suites);
    testng.run();

}

    Exception in thread "main" org.testng.TestNGException: 
Cannot find class in classpath: package.TestOne
    at org.testng.xml.XmlClass.loadClass(XmlClass.java:81)
    at org.testng.xml.XmlClass.init(XmlClass.java:73)
    at org.testng.xml.XmlClass.<init>(XmlClass.java:59)
    at org.testng.xml.TestNGContentHandler.startElement(TestNGContentHandler.java:548)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.emptyElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(Unknown Source)
    at javax.xml.parsers.SAXParser.parse(Unknown Source)
    at org.testng.xml.XMLParser.parse(XMLParser.java:38)
    at org.testng.xml.SuiteXmlParser.parse(SuiteXmlParser.java:16)
    at org.testng.xml.SuiteXmlParser.parse(SuiteXmlParser.java:9)
    at org.testng.xml.Parser.parse(Parser.java:172)
    at org.testng.TestNG.initializeSuitesAndJarFile(TestNG.java:302)
    at org.testng.TestNG.run(TestNG.java:991)
    at util.LaunchTests.main(LaunchTests.java:17)

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="Suite1" parallel="methods" thread-count="1">

    <test name="Chrome Adviser Portal" allow-return-values="true"
        thread-count="1">
        <parameters>
            <parameter name="browser" value="chrome" />
            <parameter name="loginType" value="adviser" />
        </parameters>
        <classes>
            <class name="adviserPortal.AdviserLogin" />
        </classes>
    </test>
</suite>

Answer 1

您提到可以通过maven surefire插件从eclipse内部运行测试，但不能仅在执行main方法时运行它。

只有当类launchtests位于src/main/java中，并且套件xml文件testng.xml引用src/test/java中的类时，才能发生这种情况。src/main/Java中的Java类不可见于src/test/Java中的Java类。这解释了为什么TestNG抛出异常无法在类路径中找到类

如果您的launchtests移动到src/test/java，那么默认情况下它不会包含在您正在构建的uber jar（可执行jar）中，因为测试类被省略了。

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