How to Assert No exception thrown TestNG java

Question

Hey All I have a question that I try to resolve. I am using selenium with pure java and TestNG framework. In the test class I want to call a method and if the method throws exception I want the test to fail.

This is the method:

public void insertAddress2(String address2) throws Exception {}

and I want to call it from a test class, and if it (the insertAddress2 method) throws exception I want the test to fail.

This is the the class test Assertion statement:

@Test(groups = {"address"}, enabled = true) public void testAddress() throws Exception { Assert.assertNotEquals(adderess.insertAddress2("test"), ErrorMessagePermission, ""); }

Can someone please advise what is the syntax in TestNG and how to test exception not thrown in the insertAddress2 method from the test class ?

Does this answer your question? How to test that no exception is thrown? — Amongalen
– Amongalen, Commented Mar 24, 2020 at 9:06

Martin Ackermann · Accepted Answer · 2020-03-24 09:15:27Z

Basically, even in tests, when you want to react on exceptions, you would have to catch them:

@Test(groups = {"address"}, enabled = true) public void testAddress() { //no throws decleration required try { adderess.insertAddress2("test"); } catch (Exception ex) { Assert.fail("Exception was thrown!"); } }

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