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如何使用testng并行运行我的硒测试方法

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我正在尝试使用testng并行运行我的自动化测试(Selenium webdriver) . 这是我正在运行的节点:

java -Dwebdriver.gecko.driver=chromedriver.exe -jar selenium-server-standalone-3.4.0.jar -role node -hub http://localhost:4444/grid/register -browser browserName=chrome,maxInstances=2 -maxSession 2

这是我的测试类:

public class TestParallel {

Login login;

//@BeforeMethod(alwaysRun = true)
public SeleniumDriverCore testSetup() throws FileNotFoundException, IOException{
    SeleniumDriverCore driver = new SeleniumDriverCore("config/chromeDriverConfig");
    Properties config = new Properties();
    config.load(new FileInputStream("config/testConfig"));
    this.login = new Login(driver);
    driver.browser.open("https://test.test.xyz");

    driver.browser.maximize();
    driver.waits.waitForPageToLoad();
    return driver;
}

@Test(groups={"parallel"})
public void test_one() throws FileNotFoundException, IOException{
    SeleniumDriverCore driver=testSetup();
    login.navigateToPage(Pages.LOGIN);
    login.assertion.verifyLoginPopupAndTitleDisplayed();
    testCleanup(driver);
}

@Test(groups={"parallel"})
public void test_two() throws FileNotFoundException, IOException{
    SeleniumDriverCore driver=testSetup();
    login.navigateToPage(Pages.LOGIN);
    login.assertion.verifyLoginPopupAndTitleDisplayed();
    testCleanup(driver);
}

@Test(groups={"parallel"})
public void test_three() throws FileNotFoundException, IOException{
    SeleniumDriverCore driver=testSetup();
    login.navigateToPage(Pages.LOGIN);
    login.assertion.verifyLoginPopupAndTitleDisplayed();
    testCleanup(driver);
}

@Test(groups={"parallel"})
public void test_four() throws FileNotFoundException, IOException{
    SeleniumDriverCore driver=testSetup();
    login.navigateToPage(Pages.LOGIN);
    login.assertion.verifyLoginPopupAndTitleDisplayed();
    testCleanup(driver);
}


public void testCleanup(SeleniumDriverCore driver){
    driver.close();
    driver.quit();
}

}

这是我的xml:

<suite name="Ontega - All Tests Mobile" parallel="methods" thread-count="2">
    <test name="Ontega - All Tests Mobile">
        <groups>
            <run>
                <include name="parallel"/>
                <exclude name="open-defects"/>
            </run>
        </groups>
        <packages>
            <package name="tests.*"/>
        </packages>
    </test>
</suite>

当我运行XML时,我希望我的测试一次在两个线程中的两个浏览器上运行,但是当我运行XML时,我第一次运行两个浏览器实例,然后它们增加了50%测试失败,你可以看到我试图在我的每个方法中实例化驱动程序,虽然这不是我的框架如何工作,但我试图找到这个问题的瓶颈 . 任何帮助将非常感谢提前感谢

2 回答

  • 4

    以下是在TestNG中执行此操作的一些方法 . 您基本上通过 @BeforeMethod@AfterMethod 配置方法管理您的webdriver实例化和清理 . 那么您需要决定如何使用 @Test 方法共享创建的webdriver实例 . 为此你有三个选择:

    • 您使用 ThreadLocal 变体,因为TestNG向您保证它将在同一个线程中执行 @BeforeMethod@Test@AfterMethod .

    这是一个示例,向您展示了这一点

    import org.openqa.selenium.chrome.ChromeDriver;
    import org.openqa.selenium.remote.RemoteWebDriver;
    import org.testng.ITestResult;
    import org.testng.Reporter;
    import org.testng.annotations.AfterMethod;
    import org.testng.annotations.BeforeMethod;
    import org.testng.annotations.DataProvider;
    import org.testng.annotations.Test;
    
    public class TestClassSampleUsingThreadLocal {
        private static final ThreadLocal<RemoteWebDriver> drivers = new ThreadLocal<>();
    
        @BeforeMethod
        public void instantiateBrowser(ITestResult testResult) {
            RemoteWebDriver driver = new ChromeDriver();
            drivers.set(driver);
        }
    
        @Test(dataProvider = "dp")
        public void testMethod(String url) {
            Reporter.log("Launching the URL [" + url + "] on Thread [" + Thread.currentThread().getId() + "]", true);
            driver().get(url);
            Reporter.log("Page Title :" + driver().getTitle(), true);
        }
    
        @DataProvider(name = "dp", parallel = true)
        public Object[][] getData() {
            return new Object[][]{
                    {"http://www.google.com"}, {"http://www.stackoverflow.com"}, {"http://facebook.com"}
            };
        }
    
        @AfterMethod
        public void cleanupBrowser() {
            RemoteWebDriver driver = driver();
            driver.quit();
        }
    
        private RemoteWebDriver driver() {
            RemoteWebDriver driver = drivers.get();
            if (driver == null) {
                throw new IllegalStateException("Driver should have not been null.");
            }
            return driver;
        }
    
    }
    
    • 您可以通过 ITestResult 对象共享webdriver实例 . 这是一个展示行动的样本 .
    import org.openqa.selenium.chrome.ChromeDriver;
    import org.openqa.selenium.remote.RemoteWebDriver;
    import org.testng.ITestResult;
    import org.testng.Reporter;
    import org.testng.annotations.AfterMethod;
    import org.testng.annotations.BeforeMethod;
    import org.testng.annotations.DataProvider;
    import org.testng.annotations.Test;
    
    public class TestClassSample {
        private static final String WEBDRIVER = "driver";
    
        @BeforeMethod
        public void instantiateBrowser(ITestResult testResult) {
            RemoteWebDriver driver = new ChromeDriver();
            testResult.setAttribute(WEBDRIVER, driver);
        }
    
        @Test(dataProvider = "dp")
        public void testMethod(String url) {
            Reporter.log("Launching the URL [" + url + "] on Thread [" + Thread.currentThread().getId() + "]", true);
            driver().get(url);
            Reporter.log("Page Title :" + driver().getTitle(), true);
        }
    
        @DataProvider(name = "dp", parallel = true)
        public Object[][] getData() {
            return new Object[][]{
                    {"http://www.google.com"},
                    {"http://www.stackoverflow.com"},
                    {"http://facebook.com"}
            };
        }
    
        @AfterMethod
        public void cleanupBrowser(ITestResult testResult) {
            RemoteWebDriver driver = driver(testResult);
            driver.quit();
        }
    
        private RemoteWebDriver driver() {
            return driver(Reporter.getCurrentTestResult());
        }
    
        private RemoteWebDriver driver(ITestResult testResult) {
            if (testResult == null) {
                throw new IllegalStateException("testResult should have not been null.");
            }
            Object driverObject = testResult.getAttribute(WEBDRIVER);
            if (driverObject == null) {
                throw new IllegalStateException("Driver should have not been null.");
            }
            if (!(driverObject instanceof RemoteWebDriver)) {
                throw new IllegalStateException("Driver is not a valid webdriver object");
            }
            return (RemoteWebDriver) driverObject;
        }
    }
    
    • 你将webdriver实例化和清理解压缩到一个TestNG监听器(一个实现 org.testng.IInvokedMethodListener 的监听器,它将创建的webdriver设置为 ITestResult (如选项2所示)或 ThreadLocal (如选项1所示) . 你可以找到更多有关此选项的详细信息以及我的blog post中的代码段 .
  • 0

    您似乎每次测试都会创建多个驱动程序 . 我想你需要在testSetup()方法之外保留一些代码

    SeleniumDriverCore driver = new SeleniumDriverCore("config/chromeDriverConfig");
    Properties config = new Properties();
    config.load(new FileInputStream("config/testConfig"))
    

    我正在分享我用于并行测试的部分代码,可能会对你的情况有所帮助
    enter image description here

    我的xml
    enter image description here

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