Questions tagged [junit5]

Version 5 of the popular JUnit testing framework for the JVM. JUnit is a framework for writing repeatable tests. It is an instance of the xUnit architecture for unit testing frameworks.

JUnit 5 = JUnit Platform + JUnit Jupiter + JUnit Vintage

JUnit 5 is the 5th generation of the popular JUnit testing framework for the JVM based on Java 8 and compatible with Java 9, 10, and 11.

The JUnit Platform serves as a foundation for launching testing frameworks on the JVM. It also defines the TestEngine API for developing a testing framework that runs on the platform. Furthermore, the platform provides a Console Launcher to launch the platform from the command line and build plugins for Gradle and Maven as well as a JUnit 4 based Runner for running any TestEngine on the platform.

JUnit Jupiter is the combination of the new programming model and extension model for writing tests and extensions in JUnit 5. The Jupiter sub-project provides a TestEngine for running Jupiter based tests on the platform.

JUnit Vintage provides a TestEngine for running JUnit 3 and JUnit 4 based tests on the platform.

JUnit 5 Resources

Frequently asked questions

Tags

  • Use the tag only for questions related to features provided by version 5 or migration to version 5.

  • Use the tag only for questions that are specific to JUnit Jupiter.

  • Use the tag for general questions related to JUnit.

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Quarkus remote application testing in dev mode

When we run @QuarkusTest annotated tests, one of these tests run the Quarkus test extension and start Quarkus in dev mode. Quarkus will then remain running for the duration of the test run. This is how we can achieve fast debugging. But my use case…
Arun
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java.lang.AssertionError: Got a list of values But instead of the expected single value

To implemented java unit test case on spring boot Applications. I am getting this error when i matched my expected data and actual data using java unit test framework Junit 5. Here is my implemented code, @Test public void testListAddress()…
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Can't connect to a testcontainer Neo4J instance?

this is my test class: @Testcontainers @ReactiveDataNeo4jTest internal class RepositoryIT { @Container private val container = KNeo4jContainer.instance @Test fun `should answer with One`() { val boltUrl =…
OliverE
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JUnit 5 how to assert this !=null

I want to test this piece of block mainly in x != null, is there a better way to assert this method in JUnit. private void myorder() { if (x != null) { //some code myorder(x.getDown()); System.out.print(r.getData() +…
user11370982
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How to write junit5 test for gateway cloud filter And how to I get full code coverage of this code

I want to write junit test for my gateway cloud filter but problem is i am new on unit test. please help me. and here is one private method for authorization. [If anyone not know how to write spring Gateway cloud Filter then please go through my…
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JUnit 5 parallel test execution loses output from tests

We have API tests written with Rest Assured and JUnit 5 and are trying to run the tests in parallel since there are no dependencies between the tests. We've tried the experimental parallel execution of JUnit 5 by…
mowwwalker
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Percisely configure spring junit 5 test config

Struggling for quite some with writing unit tests with spring-boot and junit5. I've read lots of articles and some of the junit5 documentation but didn't find anything that would help (or I'm just…
Miklosh
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Powermockito for nested abstract class

I am not able do proper mock one of the AWS translation client due to expending nested abstract class: Java class import com.amazonaws.services.comprehend.AmazonComprehend; import com.amazonaws.services.translate.AmazonTranslate; public class…
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Spring integration Testing with Testcontainer - Database starting after Application

My App under test with spring (core) wants to connect to a database by testcontainer, but the testcontainer is not started at this point. How can I achieve that the testcontainer gets ready and then the whole context ist started up? import…
MemLeak
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Junit 5 looking for actual environmental configuration to run the test

My project is using spring-boot, sping-data-jpa, spring-data-rest, hibernate I have updated to spring boot 2.3.1. My previous test cases are on Junit 4, I am migrating to Junit 5. When I run my test case with junit 5 it is looking for actual…
SSK
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WARNING: TestEngine with ID 'cucumber' failed to discover tests

While running Cucumber Test i am getting below error and not test gets executed. Please help totally stucked. Build is success full but with warning and while executing getting same error. WARNING: TestEngine with ID 'cucumber' failed to discover…
Kim
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How to get repetition count in a junit 5 extension

I try to write my own JUnit 5 extension, providing some simple information about test duration. I also want to print out the repetition information but how can I access these informations in the extension? Are there any simple ways instead of…
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Provider test integration with pact broker + junit5. Test running with error error Could not resolve property "pactbroker.host"

@PactBroker(scheme = "https", host = "${pactbroker.host}", authentication = @PactBrokerAuth(token = "${pactbroker.auth.token}")) @Provider("PriceService") @SpringBootTest(webEnvironment =…
gustavomcastro
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How can I run Jupiter test classes in a specific order?

A test run failed on the build server but it passes locally, due to some issues in the tests and differences in the order of files returned by the OS. What is the best way to run tests locally in the same order as the build server to debug the…
Gavin Haynes
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Why does the BeforeAllCallback not have a ParameterResolvers?

In my test class I can use @BeforeAll to annotate a setup method e.g. @BeforeAll public void setUp(WebApplicationContext webApplicationContext, RestDocumentationContextProvider restDocumentation) { this.mockMvc =…
Murat Karagöz
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