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[英]How to force TestNG create new instance of test class for each method if run mode is parallel=“methods”
[英]TestNG - how to run the same method at the end of each test
我有類似的東西:
@Test(priority = 1)
public void test1() {
testSomething1();
Assert.assertFalse(errorsExists());
}
@Test(priority = 2)
public void test2() {
testSomething2();
Assert.assertFalse(errorsExists());
}
@Test(priority = 3)
public void test3() {
testSomething3();
Assert.assertFalse(errorsExists());
}
我想將Assert.assertFalse(errorsExists())
移動到BaseTestCase
或TestListener
,這樣我就不必每次在測試結束時都通過它。 我試圖將它移到 TestsListener 到onFinish
但方法errorsExists()
需要驅動程序,我有問題將它放在那里。
更新:我想方法 errorsExists() 影響測試結果。 假設在 test2 方法中 errorsExists 返回 true -> 我想得到以下結果: test1 通過 test2 failed test3 通過
據我所知,我不能將此方法放在任何 @After 注釋中,也不能將其放在 TestListener 中的 onTestFailure 或 onTestSuccess
您應該能夠將其移至使用 @AfterMethod 注釋的新方法。 任何帶有@AfterMethod 注解的方法都將在每個測試方法執行后執行。 像這樣的東西應該工作:
@Test(priority = 1)
public void test1() {
testSomething1();
//Assert.assertFalse(errorsExists());
}
@Test(priority = 2)
public void test2() {
testSomething2;
//Assert.assertFalse(errorsExists());
}
@Test(priority = 3)
public void test3() {
testSomething3();
//Assert.assertFalse(errorsExists());
}
@AfterMethod
public void assertError() {
Assert.assertFalse(errorsExists());
}
如果您並行運行每個 @Test 方法,則可以通過以下方式實現此目的。 但前提是,每個 @Test 都應該有自己的 WebDriver 實例。 您可以使用 ThreadLocal 變量來實現這一點。 例如:
public class Driver {
public static ThreadLocal<AppiumDriver> driver = new ThreadLocal<>();
public static AppiumDriver getDriver() {
return driver.get();
}
public synchronized void initalizeDriver(String deviceName, String platformVersion, String port, String udid) {
if (deviceName.contains("iPhone")) {
setIOSCapabilities(driver, deviceName, platformVersion, port, udid);
} else if (deviceName.equalsIgnoreCase("pcloudy-apple")) {
setPcloudyIOSCapabilties(driver,platformVersion);
} else {
if (deviceName.contains("R-")) {
setAndroidCapabilities(driver, deviceName, platformVersion, port, udid);
} else if (deviceName.equalsIgnoreCase("pcloudy-Android")) {
setPcloudyAndroidCapabilties(driver,platformVersion);
} else {
startAndroidEmulator(deviceName, udid);
setAndroidCapabilities(driver, deviceName, platformVersion, port, udid);
}
}
}
}
public void setAndroidCapabilities(ThreadLocal<AppiumDriver> driver, String device, String platformVersion, String port, String udid) {
try {
File sourceDir = new File("src");
File app = new File(sourceDir, ANDROID_APP_PATH);
DesiredCapabilities desiredCapabilties = new DesiredCapabilities();
desiredCapabilties.setCapability(MobileCapabilityType.DEVICE_NAME, device);
desiredCapabilties.setCapability(AndroidMobileCapabilityType.IGNORE_UNIMPORTANT_VIEWS,true);
driver.set(new AndroidDriver<>(new URL(APPIUM_DEFAULT_URL), desiredCapabilties));
} catch (Exception e) {
log.error(e.getMessage());
log.error("Exception in launching the Android Driver " + e);
e.printStackTrace();
}
}
基礎 class 中的方法為每個 @Test 方法啟動一個新的驅動程序實例
@BeforeMethod(alwaysRun = true)
@Parameters(value={"deviceName","platformVersion","port","udid"})
public synchronized void executeBeforeTest(String deviceName, String platformVersion,
@Optional("Port Required") String port, @Optional("UDID Required") String udid){
Driver driverObj = new Driver();
Thread.currentThread().setName(deviceName);
driverObj.initalizeDriver(deviceName,platformVersion,port,udid);
if(Driver.getDriver() == null) {
driverObj.initalizeDriver(deviceName,platformVersion,port,udid);
}
}
最后是您正在尋找的 TestListener class,
public class TestListener extends UITest implements ITestListener {
@Override
public void onTestFailure(ITestResult iTestResult) {
log.info("Driver getDriver() value is :: "+Driver.getDriver().toString());
log.info("Driver getSessionId() value is :: "+Driver.getDriver().getSessionId().toString());
if (Driver.getDriver() != null || Driver.getDriver().getSessionId() != null) {
try {
if (Driver.getDriver() instanceof IOSDriver) {
JavascriptExecutor js = (JavascriptExecutor) Driver.getDriver();
Map<String, Object> params = new HashMap<>();
params.put("bundleId", DeviceCapabalities.IOS_APP_BUNDLE_ID);
final Long state = (Long) js.executeScript("mobile: queryAppState", params);
System.out.println("Application state code is :" + state);
if (state == 1) {
log.error("Application has Crashed");
}
} else {
if (!(((AndroidDriver) (Driver.getDriver())).currentActivity().contains("app.name"))) {
log.error("Application has Crashed");
}
}
saveScreenshot(Driver.getDriver(),iTestResult);
} catch (Exception e) {
log.error("Exception :: " + e);
e.printStackTrace();
Assert.fail("Test case failed due to exception " + e);
}
}
}
您可以使用IHookable
接口來實現這一點。 這通常是(根據文檔),用於在測試開始之前做一些操作。 但它也適用於每次測試結束時的操作。
創建一個實現此接口的BaseTest
並讓您的測試類擴展BaseTest
。
public class BaseTest implements IHookable {
@Override
public void run(IHookCallBack cb, ITestResult testResult) {
cb.runTestMethod(testResult); // invokes the actual test case
Assert.assertFalse(errorsExists());
}
}
您可以使用IInvokedMethodListener
調用一些代碼並修改測試結果。
請注意,這是一個非常簡單的實現,僅基於您的代碼示例。 它可能需要一些改進。
測試 Class:
@Listeners(ErrorsExistsListener.class)
class MyTest {
@Test(priority = 1)
public void test1() {
testSomething1();
}
@Test(priority = 2)
public void test2() {
testSomething2;
}
@Test(priority = 3)
public void test3() {
testSomething3();
}
boolean errorsExists() {
// some logic
}
}
測試監聽器:
class ErrorsExistsListener implements IInvokedMethodListener {
@Override
void afterInvocation(IInvokedMethod method, ITestResult result) {
if (method.isTestMethod() && result.getStatus() != ITestResult.FAILURE) {
Object[] instances = result.getTestClass().getInstances(false);
MyTest myTestClass = (MyTest) instances[0]; // you'll get exception here if set this listener for non-MyTest class.
try {
Assert.assertFalse(myTestClass.errorsExists());
} catch (AssertionError e) {
result.setStatus(ITestResult.FAILURE);
result.setThrowable(e);
}
}
}
}
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