What is TestNG Annotation?
TestNG Annotation is a piece of code which is inserted inside a program or business logic used to control the flow of execution of test methods.
List of TestNG Annotations
Below are the different annotations used in TestNG
@BeforeSuite: The annotated method will be run only once before all tests in this suite have run.
@AfterSuite: The annotated method will be run only once after all tests in this suite have run.
@BeforeTest: The annotated method will be run before any test method belonging to the classes inside the <test> tag is run.
@AfterTest: The annotated method will be run after all the test methods belonging to the classes inside the <test> tag have run.
@BeforeClass: The annotated method will be run only once before the first test method in the current class is invoked.
@AfterClass: The annotated method will be run only once after all the test methods in the current class have run.
@BeforeMethod: The annotated method will be run before each test method.
@AfterMethod: The annotated method will be run after each test method.
@BeforeGroups - The @BeforeGroups annotated method run only once for a group before the execution of all test cases belonging to that group.
@AfterGroups - The @AfterGroups annotated method run only once for a group after the execution of all test cases belonging to that group.
Hierarchy of the TestNG Annotations:
Benefits of using TestNG Annotations:
TestNG Annotation is a piece of code which is inserted inside a program or business logic used to control the flow of execution of test methods.
List of TestNG Annotations
Below are the different annotations used in TestNG
@BeforeSuite: The annotated method will be run only once before all tests in this suite have run.
@AfterSuite: The annotated method will be run only once after all tests in this suite have run.
@BeforeTest: The annotated method will be run before any test method belonging to the classes inside the <test> tag is run.
@AfterTest: The annotated method will be run after all the test methods belonging to the classes inside the <test> tag have run.
@BeforeClass: The annotated method will be run only once before the first test method in the current class is invoked.
@AfterClass: The annotated method will be run only once after all the test methods in the current class have run.
@BeforeMethod: The annotated method will be run before each test method.
@AfterMethod: The annotated method will be run after each test method.
@BeforeGroups - The @BeforeGroups annotated method run only once for a group before the execution of all test cases belonging to that group.
@AfterGroups - The @AfterGroups annotated method run only once for a group after the execution of all test cases belonging to that group.
Hierarchy of the TestNG Annotations:
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| TestNG Annotations |
- TestNG Annotations made the life of testers very easy. Based on your requirements, you can access the test methods, i.e., it has no predefined pattern or format.
- You can pass the additional parameters to TestNG annotations.
- In the case of TestNG annotations, you do not need to extend any test classes.
- TestNG Annotations are strongly typed, i.e., errors are detected at the compile time.
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