assertEquals("test-1.0.0.jar", artifact.getFileName());
        assertEquals(ArtifactType.UNKNOWN, artifact.getType());
    }

    public void test_Artifact_constructorWithoutUrl() {
        Artifact artifact = new Artifact("test", "1.0.0");
        assertEquals("test", artifact.getName());
        assertEquals("1.0.0", artifact.getVersion());
        assertNull(artifact.getUrl());