private Object distTaskOutput(TaskProvider<Task> buildDistTask) {
        return new Callable<File>() {
            @Override
            public File call() {
                return buildDistTask.get().getOutputs().getFiles().getSingleFile();
            }

            @Override
            public String toString() {
                return call().getAbsolutePath();
            }
        };
    }

    }

    @Input
    public Map<String, File> getTestClassNames() {
        if (testClassNames == null) {
            testClassNames = Util.getJavaTestSourceSet(getProject())
                .get()
                .getOutput()
                .getClassesDirs()
                .getFiles()
                .stream()
                .filter(File::exists)

    }

    @Test
    public void testMultipleGetFile() throws IOException {
        // Calling getFile() multiple times should return the same file
        ContentOutputStream cos = new ContentOutputStream(5, Curl.tmpDir);
        cos.write(new byte[] { 0, 1, 2, 3, 4, 5 });
        File file1 = cos.getFile();
        File file2 = cos.getFile();
        assertEquals(file1.getAbsolutePath(), file2.getAbsolutePath());

        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);

                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;
    }

                        reactorProject.getArtifact().getFile());
            }

            Map<String, Artifact> map = new HashMap<>();
            for (Artifact artifact : resolvedArtifacts) {
                /**
                 * MNG-6300: resolvedArtifacts can be cache result; this ensures reactor files are always up-to-date
                 * During lifecycle the Artifact.getFile() can change from target/classes to the actual jar.

     * <p>
     * Visible for testing.
     */
    static boolean isLocalRepositoryArtifactOrMissing(RepositorySystemSession session, Artifact artifact) {
        return artifact.getFile() == null
                || artifact.getFile()
                        .getPath()
                        .startsWith(session.getLocalRepository().getBasedir().getPath());
    }

    /**

                boolean resolveManagedVersions,
                ArtifactRepository localRepository,
                List<ArtifactRepository> remoteRepositories) {
            File file = artifact.getFile();
            this.artifact = ArtifactUtils.copyArtifact(artifact);
            if ("pom".equals(artifact.getType()) && file != null) {
                pomHash = file.getPath().hashCode() + file.lastModified();

    File createFile() throws IOException {
      File file = File.createTempFile("SinkSourceFile", "txt");
      fileThreadLocal.set(file);
      return file;
    }

    File getFile() {
      return fileThreadLocal.get();
    }

    // acts as an override in subclasses that implement SourceSinkFactory
    @SuppressWarnings("EffectivelyPrivate")

        when(project.getPackaging()).thenReturn("jar");
        when(project.getName()).thenReturn("Apache Maven Embedder");
        when(project.getVersion()).thenReturn("3.5.4-SNAPSHOT");
        when(project.getFile()).thenReturn(new File(basedir, "maven-embedder/pom.xml"));
        when(event.getProject()).thenReturn(project);

        MavenProject rootProject = mock(MavenProject.class);