Spring Boot integration tests doesn't read properties files

Question

I would like to create integration test in which Spring Boot will read a value from .properties file using @Value annotation.
But every time I'm running test my assertion fails because Spring is unable to read the value:

org.junit.ComparisonFailure: 
Expected :works!
Actual   :${test}

My test:

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = {WebTests.ConfigurationClass.class, WebTests.ClassToTest.class})
public class WebTests {
    @Configuration
    @ActiveProfiles("test")
    static class ConfigurationClass {}

    @Component
    static class ClassToTest{
        @Value("${test}")
        private String test;
    }

    @Autowired
    private ClassToTest config;

    @Test
    public void testTransferService() {
        Assert.assertEquals(config.test, "works!");
    }
}

application-test.properties under src/main/resource package contains:

test=works!

What can be the reason of that behavior and how can I fix it?
Any help highly appreciated.

What does ClassToTest look like? Have you got @SpringBootTest anywhere? It would guess that your tests aren't running as a Spring Boot test so application properties isn't being loaded. If that was happening, setting the active profile to test should have been sufficient to get application-test.properties to load — Andy Wilkinson
– Andy Wilkinson, Commented Feb 22, 2017 at 16:58

Community · Accepted Answer · 2017-05-23 12:00:10Z

7

You should load the application-test.properties using @PropertySource or @TestPropertySource

@RunWith(SpringJUnit4ClassRunner.class)
@TestPropertySource(locations="classpath:application-test.properties")
@ContextConfiguration(classes = {WebTests.ConfigurationClass.class, WebTests.ClassToTest.class})
public class WebTests {

}

for more info: Look into this Override default Spring-Boot application.properties settings in Junit Test

edited May 23, 2017 at 12:00

CommunityBot

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answered Feb 22, 2017 at 16:54

Barath

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Comments

Community · Accepted Answer · 2020-01-21 06:16:56Z

5

Besides the above marked correct answer, there is another nature way to load application-test.properties: Set your test run "profile" to "test".

Mark your test cases with:

@ActiveProfiles("test")
@RunWith(SpringJUnit4ClassRunner.class)

application-xxxx.properties is a naming convention for properties of different "profile".

This file application-xxxx.properties should be placed in src/main/resources folder.

"Profile" is also useful in bean configuration.

edited Jan 21, 2020 at 6:16

CommunityBot

11 silver badge

answered Nov 14, 2017 at 6:14

leo

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1 Comment

Darren Parker Over a year ago

application-test.properties should be in src/test/resources folder

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