TestNG : SELENIUM : JAVA : Order of execution of test cases or methods using TestNG

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TestNG : SELENIUM : JAVA : Order of execution of test cases or methods using TestNG

In TestNG, the order of execution of test cases or methods can be controlled using different annotations and parameters provided by TestNG.

Here are some of the ways to control the order of execution of test cases or methods using TestNG:

1. By default, TestNG runs test methods in alphabetical order of their method names. To change the order, you can use the priority attribute of the @Test annotation to assign a priority to each test method. Test methods with higher priority values will be executed first. For example:

@Test(priority = 1)
public void testMethod1() {
// Test method implementation
}

@Test(priority = 2)
public void testMethod2() {
// Test method implementation
}

2. You can also use the dependsOnMethods attribute of the @Test annotation to specify the order of execution based on the dependency between test methods. The test method specified in the dependsOnMethods attribute will be executed first, and the current test method will be executed only if the dependency test method passes. For example:

@Test(dependsOnMethods = "testMethod1")
public void testMethod2() {
// Test method implementation
}

@Test
public void testMethod1() {
// Test method implementation
}

3. TestNG also provides the @BeforeMethod and @AfterMethod annotations that can be used to specify setup and teardown methods that will be executed before and after each test method. For example:

@BeforeMethod
public void setUp() {
// Setup code
}

@AfterMethod
public void tearDown() {
// Teardown code
}

@Test
public void testMethod1() {
// Test method implementation
}

@Test
public void testMethod2() {
// Test method implementation
}