是否可以在testng中的一个单元中运行多个测试

Question

我正在从excel读取数据并运行我的测试用例。可以使用testNg和eclipse在一个测试单元中运行多个测试方法.Below是我的代码。我试了但是得到了错误

at org.testng.internal.MethodInvocationHelper.invokeDataProvider（MethodInvocationHelper.java:161）     at org.testng.internal.Parameters.handleParameters（Parameters.java:429）     在org.testng.internal.Invoker.handleParameters（Invoker.java:1383）     在org.testng.internal.Invoker.createParameters（Invoker.java:1075）     在org.testng.internal.Invoker.invokeTestMethods（Invoker.java:1180）

login.java

import com.thoughtworks.selenium.*;

import org.junit.AfterClass;
import org.openqa.selenium.server.SeleniumServer;
import org.testng.annotations.*;

import java.io.File;

import jxl.*;

public class login extends SeleneseTestCase {

    @BeforeClass
    public void setUp() throws Exception {
        try {
            System.out.println("in setup");
            SeleniumServer seleniumserver = new SeleniumServer();
            seleniumserver.boot();
            seleniumserver.start();
            // String
            // firefoxPath="C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe";

            setUp("http://localhost:8080/",
                    "*firefox C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");

            // selenium.open("/");
            selenium.windowMaximize();
            selenium.windowFocus();

        } catch (Exception ex) {
            System.out.println(ex);
        }
    }

    @DataProvider(name = "DP1")
    public Object[][] createData1() throws Exception {
        System.out.println("in createData1");
        Object[][] retObjArr = getTableArray(
                "test\\Resources\\Data\\logins.xls", "loginSheet", "Login");
        return (retObjArr);
    }

    @Test(dataProvider = "DP1",testName="checkLogin")
    public void testLogin1(String userName, String Password,
            String expectedResult) throws Exception {

        System.out.println("in testLogin1");
        System.out.println("userName: " + userName + " Password: " + Password
                + " expectedResult: " + expectedResult);
        selenium.open("Banking/Login.jsp/");
        Thread.sleep(1000);
        selenium.type("id=fname", userName);
        Thread.sleep(1000);
        selenium.type("id=Lname", Password);
        Thread.sleep(1000);
        selenium.click("name=sub");
        Thread.sleep(1000);
        boolean res = selenium.isTextPresent(expectedResult);
        System.out.println("ver: " + res);
        verifyTrue(res);

        Thread.sleep(1000);

    }

    @Test(dataProvider = "DP1" ,testName="homepage")
    public void testLogin2(String userName, String Password,
            String expectedResult) throws Exception {

        System.out.println("in testLogin2");

    }

    @AfterClass
    public void tearDown() {
        selenium.close();
        selenium.stop();
    }

    /* this method read the data from excel sheet */

    public String[][] getTableArray(String xlFilePath, String sheetName,
            String tableTagName) throws Exception {
        String[][] tabArray = null;
        System.out.println("in getTableArray");

        System.out.println("table: " + tableTagName + " xlFilePath:"
                + xlFilePath + " sheetName: " + sheetName);
        Workbook workbook = Workbook.getWorkbook(new File(xlFilePath));
        Sheet sheet = workbook.getSheet(sheetName);
        int startRow, startCol, endRow, endCol, ci, cj;
        Cell tableStart = sheet.findCell(tableTagName);// find table name in
                                                        // excel
        startRow = tableStart.getRow();
        startCol = tableStart.getColumn();

        Cell tableEnd = sheet.findCell(tableTagName, startCol + 1,
                startRow + 1, 100, 64000, false);

        endRow = tableEnd.getRow();
        endCol = tableEnd.getColumn();
        System.out.println("startRow=" + startRow + ", endRow=" + endRow + ", "
                + "startCol=" + startCol + ", endCol=" + endCol);
        tabArray = new String[endRow - startRow - 1][endCol - startCol - 1];
        ci = 0;

        for (int i = startRow + 1; i < endRow; i++, ci++) {
            cj = 0;
            for (int j = startCol + 1; j < endCol; j++, cj++) {
                tabArray[ci][cj] = sheet.getCell(j, i).getContents();
                // System.out.println("tabArray: "+ tabArray[ci][cj]);
            }
        }

        return (tabArray);

    }
}