Graph/3f815cb7-64b0-4499-a644-4e9bba7216ea

Domainunvalidated

Integration Testing

3f815cb7-64b0-4499-a644-4e9bba7216ea

Integration Testing

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Updated5/1/2026

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50 linked nodes

RELATES_TOComponent

vs code

PERTAIN_TOSolution

I found a trick forking the jvm, below sbt config — for unit tests. Tension: must be the same idea for classic run (fork + javaOptions).

PERTAIN_TOProblem

Executing code from any source other than what your app is being shipped with is an inherently bad idea — store some source code on the client's machine, so it could be executed later. Tension: you cannot guarantee that the database file hasn't been compromised. Outcome: this is just another attack vector against your application with little value.

PERTAIN_TOSolution

The simplest solution is often the best: Test your product for all eventualities. Tension: this will create other problems. Outcome: you'll most likely won't need to have such a system in place.

PERTAIN_TOProblem

It looks like Spring Cloud GCP is calling a method that no longer exists in Spring Boot 4. — Spring Cloud GCP 7.x compatible with Spring Boot 4.0.0. Tension: Spring Cloud GCP 7.x supports Spring Boot 3.x only. Outcome: Technically, it's impossible because Spring Cloud GCP 7.x supports Spring Boot 3.x only.

PERTAIN_TOSolution

Use separate entities with one-to-one relations instead of trying to create PersonExtra and PersonBasic with the same primary key

PERTAIN_TOProblem

how do you do both at the same time? — JavaFX application. Tension: but the examples are basic... Outcome: it works for this case.

PERTAIN_TOSolution

@ExtendWith({ MockitoExtension.class, ApplicationExtension.class }) — To use TestFX to test a JavaFX application. Tension: how do you do both at the same time? Outcome: it works for this case.

PERTAIN_TOSolution

Alternately, you could treat tests with mocks as unit tests which don't involve JavaFX code.

this configuration is only about the surefire plugin, used to run tests — I'm working on a user-related service that handles personal information. Tension: My senior mentioned that since this is a user service dealing with personal data, I need to make sure that the configuration above doesn't: Interfere with anything outside the test scope, or Pose any security risks to the service or user data. Outcome: it would have no impact on the production JVM instance your service uses.

PERTAIN_TOAnswer

so-79796172

PERTAIN_TOProblem

Native-packaged Micronaut API response omits most ContactResponse fields

PERTAIN_TOSolution

Configure native-maven-plugin and run mvn native:test to execute tests in a native runtime before packaging

PERTAIN_TOAnswer

so-79795993

PERTAIN_TOProblem

IntelliJ IDEA fails to compile/run Java programs using JDK 8 and reports: "java: invalid flag: --add-modules".

PERTAIN_TOProblem

executing the exact same code without changes - the method `executeAuftrag()` returns a `null` object. Tension: Some of the times. Some other times - executing the exact same code without changes - the method `executeAuftrag()` returns a `null` object. Outcome: making my test fail, because in the following line in CompanyService, a NPE is produced.

PERTAIN_TOAnswer

so-79739815

PERTAIN_TOSolution

Kotlin `2.2.10` should be used. — In fact, this does not need to be added explicitly. Tension: even after testing different versions of the Kotlin standard library. Outcome: org.jetbrains.kotlin:kotlin-stdlib:2.2.10.

PERTAIN_TOProblem

if the `userService` field is removed, the dependency is set to null, which causes a `NullPointerException` when the test runs — In my Spring Boot app, I have some tests that look like this. Tension: I don't need to mock or verify any `userService` methods, so IntelliJ marks this as an unused field.

PERTAIN_TOAnswer

so-79663823

PERTAIN_TOSolution

You could achieve this with constructor injection. — In your service, make sure the dependencies are injected using the constructor. Tension: what I'd prefer is to not have to declare this field at all. Outcome: private InviteService inviteService = new InviteService(emailSendingService, userService);.

PERTAIN_TOAnswer

so-79663767

PERTAIN_TOProblem

JUnit displayed 0/0 tests run, and there were no logs nor errors in the console — My JUnit tests simply aren't running. When I tried, nothing happened.

PERTAIN_TOSolution

Once I removed the private and left the default (which is package-private, from what I understand), the test ran smoothly — Test classes, test methods, and lifecycle methods are not required to be public, but they must not be private. Outcome: test ran smoothly.

PERTAIN_TOAnswer

so-79587083

PERTAIN_TOProblem

TestEngine with ID 'junit-jupiter' failed to discover tests — While updating JUnit from 5.11.4 to 5.12.1. Tension: OutputDirectoryProvider not available. Outcome: This should be resolved in 5.12.2.

PERTAIN_TOSolution

This should be resolved in 5.12.2. — While updating JUnit from 5.11.4 to 5.12.1. Tension: TestEngine with ID 'junit-jupiter' failed to discover tests. Outcome: This should be resolved in 5.12.2.

java.lang.IllegalStateException: SystemExitExtension Agent not loaded, please see documentation — when I execute the tests. Tension: I'm not able to configure Surefire properly.

PERTAIN_TOSolution

I managed to make the extension work by changing the `pom.xml`. — Instead of using ``, I imported the dependency directly to `junit-jupiter-api`. Outcome: now when I run maven, it works nicely and I'm able to test the `system.exit` calls.

PERTAIN_TOAnswer

so-79469164

PERTAIN_TOProblem

java: variable restClient not initialized in the default constructor — running my project as a unit test configuration in IntelliJ. Tension: However, the same tests work fine when I run `mvn test` from the terminal. Outcome: Changing Annotation profile from using Processor path To using Obtain processor from project classpath.

PERTAIN_TOSolution

Changing Annotation profile from using Processor path — running my project as a unit test configuration in IntelliJ. Tension: the same tests work fine when I run `mvn test` from the terminal. Outcome: To using Obtain processor from project classpath.

PERTAIN_TOAnswer

so-79417696

PERTAIN_TOProblem

Gradle wouldn't accept it. — specifying that on the Gradle CLI without having to specify it in the build file. Tension: There is indeed no such argument `--include-tags` for Gradle, the article is misleading.

PERTAIN_TOSolution

if (project.hasProperty("includeTags")) {. Outcome: includeTags(*project.property("includeTags").toString().split(",").toTypedArray()).

PERTAIN_TOSolution

You can however implement this behavior with a Gradle configuration. Tension: I don't want the projects using the templates having to keep their build file in sync. Outcome: gradle test -PincludeTags=tag1,tag2.

PERTAIN_TOSolution

gradle test -PincludeTags=tag1,tag2 — without having to specify it in the build file. Outcome: Then you could run your tests as follows.

PERTAIN_TOAnswer

so-79342238

PERTAIN_TOProblem

The assertion is performed on the wrong exchange: the original one instead of the mutated one. — void shouldRunFilter() {.

PERTAIN_TOSolution

the test should be written like this — Mono result = testGatewayFilter.filter(exchange, e -> {. Outcome: assertEquals("test", e.getRequest().getHeaders().getFirst("test-header"));.

PERTAIN_TOAnswer

so-79351420

PERTAIN_TOProblem

IntelliJ suggests importing the one from `java.lang.reflect`. — Make sure you import `Executable` from the right source. Tension: the `FunctionalInterface` error comes from there. Outcome: This should now do the job.

PERTAIN_TOSolution

Make sure you import `Executable` from the right source. Tension: IntelliJ suggests importing the one from `java.lang.reflect`. Outcome: Assertions.assertAll(exec);.

PERTAIN_TOAnswer

so-79315257

PERTAIN_TOProblem

Mockito is currently self-attaching to enable the inline-mock-maker. — Following the link at the end of the first line. Tension: This will no longer work in future releases of the JDK. Outcome: Finally fixed, both in command line and IDE (IntelliJ IDEA).

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