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Tag: junit

Java does not catch exception

I am trying to implement lambda expression for constructor. My constructor can throw an IllegalArgumentException. I tried different ways. First way is just calling lambda expression: It works perfectly fine, I can catch Exception and then parse it. The problem occurs when I try to use my own interface: and th…

How to mock factory method in service test with mockito

Hi I am trying to test service layer. I have already wrote tests for ConverterFactory. I think I need the mock dependency classes which ConverterServiceImpl using but Still I got NullPointerException This is my service class And this is the test This code throws error says. What am i doing wrong here?: Answer…