}

    @Test
    void testGetMissingJar() throws TransferFailedException, UnsupportedProtocolException, IOException {
        Artifact artifact = createTestArtifact("target/test-data/get-missing-jar", "jar");

        ArtifactRepository repo = createStringRepo();

        assertThrows(ResourceDoesNotExistException.class, () -> wagonManager.getArtifact(artifact, repo, null, false));

| <<<jar>>>          |               | <= type>   | <= type>   | java      | <<<true>>>          |                       |
*--------------------+---------------+------------+------------+-----------+---------------------+-----------------------+
| <<<test-jar>>>     | <<<tests>>>   | <<<jar>>>  | <<<jar>>>  | java      | <<<true>>>          |                       |

        if ("JAR".equals(packaging)) {
            plugins = new LinkedHashSet<>();

            plugins.add(newPlugin("maven-compiler-plugin", "compile", "testCompile"));
            plugins.add(newPlugin("maven-resources-plugin", "resources", "testResources"));
            plugins.add(newPlugin("maven-surefire-plugin", "test"));
            plugins.add(newPlugin("maven-jar-plugin", "jar"));

        File file = new File(localRepository.getBasedir(), localRepository.pathOf(a));
        a.setFile(file);

        assertEquals(
                "a-0.0.1-SNAPSHOT.jar.lastUpdated",
                updateCheckManager.getTouchfile(a).getName());

        a = artifactFactory.createArtifactWithClassifier("groupId", "a", "0.0.1-SNAPSHOT", "jar", "classifier");

                                                newPlugin("maven-surefire-plugin", "test"),
                                                newPlugin("maven-jar-plugin", "jar"),
                                                newPlugin("maven-install-plugin", "install"),
                                                newPlugin("maven-deploy-plugin", "deploy")))

        assertEquals(8, classes.size()); // "plexus.pom" and "junit.jar" are excluded.
        assertEquals(1, modules.size());
        assertEquals("plexus-1.0.11.pom", unresolved.get(0).getFileName().toString());
        assertEquals("test-extension-1.jar", classes.get(0).getFileName().toString());
        assertEquals("junit-4.13.1.jar", modules.get(0).getFileName().toString());
        assertTrue(paths.containsAll(classes));

        repositorySystem = new TestRepositorySystem();
    }

    @Test
    void testCacheKey() throws Exception {
        Artifact a1 = repositorySystem.createArtifact("testGroup", "testArtifact", "1.2.3", "jar");
        @SuppressWarnings("deprecation")
        ArtifactRepository lr1 = new DelegatingLocalArtifactRepository(repositorySystem.createDefaultLocalRepository());

    //
    // or we can show it graphically as:
    //
    // p1 ---> p0 --> super model
    //
    // p1 has a depMgmt section that specifies versions 1.0 of jars "a" & "b"
    // jar "a" has a transitive dependency on 2.0 of jar "b", but maven should
    // prefer to use version 1.0.
    //
    // ----------------------------------------------------------------------

    @Test

        if ("g".equals(artifact.getArtifactId())) {
            Artifact a = null;
            try {
                a = factory.createBuildArtifact("org.apache.maven", "h", "1.0", "jar");
                dependencies.add(a);
            } catch (Exception e) {
                throw new ArtifactMetadataRetrievalException("Error retrieving metadata", e, a);
            }
        }

        if ("g".equals(artifact.getArtifactId())) {
            Artifact a = null;
            try {
                a = factory.createBuildArtifact("org.apache.maven", "h", "1.0", "jar");
                dependencies.add(a);
            } catch (Exception e) {
                throw new ArtifactMetadataRetrievalException("Error retrieving metadata", e, a);
            }
        }