I’m just implemented a JUnit test case using JUnit
4.11 following the example:
https://github.com/junit-team/junit/blob/master/doc/ReleaseNotes4.11.md#example-1
I create a maven project using
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.yyt</groupId> <artifactId>example</artifactId> <version>0.0.1-SNAPSHOT</version> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> </dependencies> </project>
And this test case:
import java.util.Arrays; import org.junit.Assert; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import org.junit.runners.Parameterized.Parameters; @RunWith(Parameterized.class) public class Example { @Parameters(name = "{index}: fib({0})={1}") public static Iterable<Object[]> data() { return Arrays.asList(new Object[][] { { 0, 0 }, { 1, 1 }, { 2, 1 }, { 3, 2 }, { 4, 3 }, { 5, 5 }, { 6, 8 } }); } private int input; private int expected; public Example(int input, int expected) { this.input = input; this.expected = expected; } @Test public void test() { } }
But when I test it using mvn test
, maven said:
------------------------------------------------------- T E S T S ------------------------------------------------------- There are no tests to run.
How to make it work?
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Answer
The problem is the naming convention of maven which is based on maven-surefire-plugin which needs a naming like Test.java, Test.java or TestCase*.java for unit tests. For integration tests the maven-failsafe-plugin is responsible which has the naming convention IT*.java, *IT.java or *ITCase.java.