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javaspring-boottestingpivotal-web-services

Why .isNotNull(); assertions fails even though I have a controller class?

I am new to Spring Boot and testing. I am currently studying from baeldung's tutorial (https://spring.io/guides/gs/testing-web/) and I bumped into this error.

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In fact, it passes when I use isNull() method. But I don't understand this because my controller class has mappings and all that. Why would it be null?

This is my controller class

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Or maybe this is not how this test is supposed to be done? But they show it as follows in baeldung

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Any help is appreciated.

Best,

Solution

  • If you want to run the testcases with spring context you need to provide @SpringBootTest annotation at your test class (i.e instead of @SpringBootConfiguration at your test class Smoke). The other option apart from @SpringBootTest are as below.

    for junit4:

    @RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { SpringTestConfiguration.class })
public class YourTestClass {}

    for junit 5:

    @ExtendWith(SpringExtension.class)
@ContextConfiguration(classes = { SpringTestConfiguration.class })
public class YourTestClass

    Where SpringTestConfiguration class hold's all the beans you need to autowire. For more details of SpringRunner vs SpringBootTest read the article