wagonManager.getArtifact(artifact, repo, null, false);

        assertTrue(artifact.getFile().exists());
        assertEquals("expected", FileUtils.fileRead(artifact.getFile(), "UTF-8"));
    }

    private Artifact createTestPomArtifact(String directory) throws IOException {
        File testData = getTestFile(directory);

        this.project = project;

        artifact.setFile(project.getArtifact().getFile());
        artifact.setResolved(true);
    }

    /** {@inheritDoc} */
    public File getFile() {
        // we need to get the latest file for the project, not the artifact that was created at one point in time
        return project.getArtifact().getFile();
    }

    /** {@inheritDoc} */
    public String getGroupId() {

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

    }

    @Deprecated
    @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

        return pomRepositories;
    }

    private boolean hasFile(Artifact artifact) {
        return artifact != null
                && artifact.getFile() != null
                && artifact.getFile().exists();
    }

    private List<ArtifactRepository> aggregateRepositories(
            List<ArtifactRepository> requestRepositories, List<ArtifactRepository> pomRepositories) {

    String getVersion();

    void setVersion(String version);

    String getScope();

    String getType();

    String getClassifier();

    boolean hasClassifier();

    File getFile();

    void setFile(File destination);

    String getBaseVersion();

    void setBaseVersion(String baseVersion);

    String getId();

    String getDependencyConflictId();

                artifact.getProperty(ArtifactProperties.TYPE, artifact.getExtension()),
                nullify(artifact.getClassifier()),
                handler);

        result.setFile(artifact.getFile());
        result.setResolved(artifact.getFile() != null);

        List<String> trail = new ArrayList<>(1);
        trail.add(result.getId());
        result.setDependencyTrail(trail);

        return result;
    }

            for (MavenProject project : session.getMavenSession().getAllProjects()) {
                if (id.equals(id(project.getArtifact()))
                        && project.getArtifact().getFile() != null) {
                    return Optional.of(project.getArtifact().getFile().toPath());
                }
            }
        }
        Path path = paths.get(id);
        if (path == null && artifact instanceof DefaultArtifact) {

        mainArtifact = mainArtifact.setFile(source);
        request.addArtifact(mainArtifact);

        for (ArtifactMetadata metadata : artifact.getMetadataList()) {
            if (metadata instanceof ProjectArtifactMetadata) {
                org.eclipse.aether.artifact.Artifact pomArtifact = new SubArtifact(mainArtifact, "", "pom");
                pomArtifact = pomArtifact.setFile(((ProjectArtifactMetadata) metadata).getFile());

    }

    @Override
    public boolean isResolved() {
        return getFile() != null;
    }

    @Override
    public void setFile(File file) {
        throw new UnsupportedOperationException("transformed artifact file cannot be set");
    }

    @Override
    public synchronized File getFile() {
        try {
            String state = mayUpdate();
            if (state == null) {