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Test ng for testers
 

Test ng for testers

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    Test ng for testers Test ng for testers Presentation Transcript

    • www.pragmatictestlabs.com/ janesh@pragmatictesters.com +94 71 873 2025 Next Selenium Training is starting from 30th March 2014 : Batch # : 2014-4
    • TestNG for Testers - by Pragmatic Testers Reference
    • The Creator of TestNG Cédric Beust is a French software engineer and a software technology author. He is the co-author of two books and the creator of the TestNG Java testing framework In 2004, he created TestNG an open source Java testing framework that has seen a lot of adoption, especially in the web testing area. He is still actively working on the framework on his spare time to support the community. I maintain both the TestNG core and its Eclipse plug-in
    • Features of TestNG Annotations Run Tests in Big Thread Pools Flexible Test Configuration Support for Data Driven Testing Support for Parameters Powerful Execution Model - (TestSuite) Supported by variety of tools and Plugins source : http://testng.org/doc/index.html
    • Configure Maven <dependency> <groupId>org.testng</groupId> <artifactId>testng</artifactId> <version>6.1.1</version> <scope>test</scope> </dependency> source : http://testng.org/doc/maven.html
    • Three Step Process Write the test script and insert TestNG annotations Add the information about your test in a testng.xml file (e.g. the class name, the groups you wish to run, etc.) Run TestNG
    • First Test Script public class SimpleTest { @BeforeClass public void beforeClass() { // code that will be invoked when this test is instantiated } @Test(groups = { "fast" }) public void aFastTest() { System.out.println("This is a fast test"); } @Test(groups = { "slow" }) public void aSlowTest() { System.out.println("This is a slow test"); } }
    • Invoke the Test Script <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd" > <suite name="Suite1" verbose="1" > <test name="Test1"> <groups> <run> <include name="fast"/> </run> </groups> <classes> <class name="selenium.testng.example.SimpleTest"/> </classes> </test> </suite>
    • Test Result
    • Annotations @BeforeSuite @AfterSuite @BeforeTest @AfterTest @BeforeGroup @AfterGroup @BeforeMethod @AfterMethod alwaysRun enabled groups
    • @Test alwaysRun dataProvider dataProviderClass dependsOnGroups dependsOnMethods description enabled invocationCount invocationTimeOut singleThreaded, threadPoolSize successPercentage timeOut Class level annotations @Test public class Test1 { public void test1() { } @Test(groups = "g1") public void test2() { } }
    • Parameters Test methods can have parameters Can use any number of parameters in Test methods Pass parameters using @Parameters From testing.xml : For simple values With DataProviders : For complex parameters
    • Parameters with testing.xml @Parameters({ "first-name" }) @Test public void testSingleString(String firstName) { System.out.println("Invoked testString " + firstName); assert "Cedric".equals(firstName); } <suite name="My suite"> <parameter name="first-name" value="Cedric"/> <test name="Simple example"> <-- ... -->
    • Parameters with @DataProvider //This method will provide data to any test method that declares that its Data Provider //is named "test1" @DataProvider(name = "test1") public Object[][] createData1() { return new Object[][] { { "Cedric", new Integer(36) }, { "Anne", new Integer(37)}, }; } //This test method declares that its data should be supplied by the Data Provider //named "test1" @Test(dataProvider = "test1") public void verifyData1(String n1, Integer n2) { System.out.println(n1 + " " + n2); }
    • DataProvider in Different Class public class StaticProvider { @DataProvider(name = "create") public static Object[][] createData() { return new Object[][] { new Object[] { new Integer(42) } } } } public class MyTest { @Test(dataProvider = "create", dataProviderClass = StaticProvider.class) public void test(Integer n) { // ... } }
    • Data Driven Testing Data-Driven testing generally means executing a set of steps with multiple sets of data. Selenium does not provide any out-of-the box solution for data driven testing but leaves it up to the user to implement this on his own. TestNG is a framework that makes data-driven testing possible in selenium. TestNG is a testing framework created in line with Junit but with added features that makes it suitable for use in regression test automation projects. source : http://functionaltestautomation.blogspot.com/2009/10/dataprovider-data-driven-testing-with.html
    • Dependancies Invoking Test Methods in certain order With Annotations Hard Dependencies : Must run and succeed Soft Dependencies : Add alwaysRun=”true” to @Test With XML <test name="My suite"> <groups> <dependencies> <group name="c" depends-on="a b" /> <group name="z" depends-on="c" /> </dependencies> </groups> </test>
    • Running Failed Tests TestNG creates a testng-failed.xml in output directory Contains failed methods Allows to re-run the failed tests Can reproduce the failures and verify fixes quickly
    • TestNG and Selenium @BeforeSuite(alwaysRun = true) public void setupBeforeSuite(ITestContext context) { String driverPropertyName = context.getCurrentXmlTest().getParameter("driver.property.name"); String driverPath = context.getCurrentXmlTest().getParameter("driver.path"); String browserType = context.getCurrentXmlTest().getParameter("browser.type"); String baseURL = context.getCurrentXmlTest().getParameter("base.url"); if (browserType == null) { driver = new HtmlUnitDriver(); } else if (browserType.equalsIgnoreCase("Firefox")) { driver = new FirefoxDriver(); } else if (browserType.equalsIgnoreCase("Chrome")) { System.setProperty(driverPropertyName,driverPath); driver = new ChromeDriver(); } //For other browsers logger.info("BROWSER_TYPE=" + BROWSER_TYPE); driver.manage().window().maximize(); driver.manage().timeouts().implicitlyWait(TIME_OUT, TimeUnit.SECONDS); } <parameter name="browser.type" value="Chrome" />
    • TestNG Assertions Assert.assertEquals(Actual, Expected) Assert.assertEquals(Actual, Expected, Message) Assert.assertEqualsNoOrder(Actual, Expected) Assert.assertFalse(Actual) Assert.assertNotEquals(Actual1, Actual2, Delta) Assert.assertSame(Actual, Expected) Assert.fail(Message)
    • TestNG Reporting
    • Understanding Java API Reference
    • Books
    • Videos : Data Driven Testing
    • Tutorials TestNG Tutorial by MKYong Testing Tutorials - Search for TestNG tutorial Tutorials Point
    • Pragmatic Test Labs Thank You ! www.pragmatictestlabs.com