Spock: JUnit 5: Kotest: Kotest 5:

Micronaut Test

This project provides testing extension for JUnit 5, Spock and Kotest to make it easier to test Micronaut applications.

For more information see the Latest or Snapshot Documentation.

Example Spock Test:

import io.micronaut.test.annotation.MicronautTest
import spock.lang.*
import jakarta.inject.Inject

@MicronautTest // Declares the test as a micronaut test
class MathServiceSpec extends Specification {

    @Inject
    MathService mathService // Dependency injection is used to supply the system under test

    @Unroll
    void "should compute #num times 4"() { // This is the test case. #num will be replaced by the values defined in the where: block
        when:
        def result = mathService.compute(num)

        then:
        result == expected

        where:
        num | expected
        2   | 8
        3   | 12
    }
}

Example JUnit 5 Test:

import io.micronaut.test.annotation.MicronautTest;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;

import jakarta.inject.Inject;


@MicronautTest // Declares the test as a micronaut test
class MathServiceTest {

    @Inject
    MathService mathService; // Dependency injection is used to supply the system under test


    @ParameterizedTest
    @CsvSource({"2,8", "3,12"})
    void testComputeNumToSquare(Integer num, Integer square) {
        final Integer result = mathService.compute(num); // Injected bean can be used in test case

        Assertions.assertEquals(
                square,
                result
        );
    }
}