Artifact a = createArtifact("a", "0.0.1-SNAPSHOT");
        File file = new File(localRepository.getBasedir(), localRepository.pathOf(a));
        file.delete();
        a.setFile(file);

        File touchFile = updateCheckManager.getTouchfile(a);
        touchFile.delete();

        assertTrue(updateCheckManager.isUpdateRequired(a, remoteRepository));

        file.getParentFile().mkdirs();

        MavenProject module = new MavenProject(moduleModel);
        module.setFile(new File("module-dir/pom.xml"));

        Model parentModel = new Model();
        parentModel.addModule("../module-dir");

        MavenProject parent = new MavenProject(parentModel);
        parent.setFile(new File("parent-dir/pom.xml"));

        String pathAdjustment = parent.getModulePathAdjustment(module);

            handler = artifactHandlerManager.getArtifactHandler("jar");
        }

        Artifact artifact = new AttachedArtifact(project.getArtifact(), artifactType, artifactClassifier, handler);

        artifact.setFile(artifactFile);
        artifact.setResolved(true);

        attachArtifact(project, artifact);
    }

    @Override
    public void attachArtifact(MavenProject project, String artifactType, File artifactFile) {

    }

    @Override
    public Artifact setFile(File file) {
        File current = getFile();
        if (Objects.equals(current, file)) {
            return this;
        }
        return new RelocatedArtifact(
                artifact.setFile(file), groupId, artifactId, classifier, extension, version, message);
    }

    @Override

                pomArtifact = pomArtifact.setFile(projectArtifactMetadata.getFile());
                request.addArtifact(pomArtifact);
            } else if (metadata instanceof SnapshotArtifactRepositoryMetadata
                    || metadata instanceof ArtifactRepositoryMetadata) {
                // eaten, handled by repo system
            } else {

        final String selector = tempFile.getName();
        final MavenProject mavenProject = createMavenProject("maven-core");
        mavenProject.setFile(tempFile);

        final boolean result = sut.isMatchingProject(mavenProject, selector, tempFile.getParentFile());

        tempFile.delete();
        assertEquals(true, result);
    }

    @Test

                org.eclipse.aether.artifact.Artifact pomArtifact = new SubArtifact(mainArtifact, "", "pom");
                pomArtifact = pomArtifact.setFile(projectArtifactMetadata.getFile());
                request.addArtifact(pomArtifact);
            } else if (metadata instanceof SnapshotArtifactRepositoryMetadata
                    || metadata instanceof ArtifactRepositoryMetadata) {

        File file = new File(getRepository().getBasedir(), path);

        LocalArtifactResult result = new LocalArtifactResult(request);
        if (file.isFile()) {
            result.setFile(file);
            result.setAvailable(true);
        }

        return result;
    }

    @Override
    public void add(RepositorySystemSession session, LocalArtifactRegistration request) {

        File file = new File(getRepository().getBasedir(), path);

        LocalArtifactResult result = new LocalArtifactResult(request);
        if (file.isFile()) {
            result.setFile(file);
            result.setAvailable(true);
        }

        return result;
    }

    @Override
    public void add(RepositorySystemSession session, LocalArtifactRegistration request) {

                plugin.getVersion(),
                null,
                "maven-plugin",
                null,
                new PluginArtifactHandler());
        this.plugin = plugin;
        setFile(pluginArtifact.getFile());
        setResolved(true);
    }

    @Override
    public List<Dependency> getDependencies() {
        return plugin.getDependencies();
    }

    @Override