when(mavenExecutionRequest.getBaseDirectory()).thenReturn(null);

        final File baseDirectoryFromRequest = sut.getBaseDirectoryFromRequest(mavenExecutionRequest);

        assertNull(baseDirectoryFromRequest);
    }

    @Test
    void getBaseDirectoryFromRequestWhenDirectoryIsValidReturnFile() {
        when(mavenExecutionRequest.getBaseDirectory()).thenReturn("path/to/file");

                .findFirst();
    }

    File getBaseDirectoryFromRequest(MavenExecutionRequest request) {
        return request.getBaseDirectory() != null ? new File(request.getBaseDirectory()) : null;
    }

    boolean isMatchingProject(MavenProject project, String selector, File reactorDirectory) {
        // [groupId]:artifactId
        if (selector.contains(":")) {

        // Convert through DefaultSourceRoot to ensure targetPath is preserved
        DefaultSourceRoot sourceRootFromResource =
                new DefaultSourceRoot(project.getBaseDirectory(), ProjectScope.MAIN, resourceWithTarget.getDelegate());

        project.addSourceRoot(sourceRootFromResource);

        // Get resources - this creates ConnectedResource instances

                break;
            }
        }

        if (index >= 0) {
            // Replace the SourceRoot at the same position
            SourceRoot newSourceRoot = new DefaultSourceRoot(project.getBaseDirectory(), scope, this.getDelegate());
            sourcesList.set(index, newSourceRoot);

            // Update the project's sources, preserving order
            project.sources.clear();

        copy.setUserToolchainsFile(original.getUserToolchainsFile());
        copy.setInstallationToolchainsFile(original.getInstallationToolchainsFile());
        copy.setBaseDirectory((original.getBaseDirectory() != null) ? new File(original.getBaseDirectory()) : null);
        copy.setGoals(original.getGoals());
        copy.setRecursive(original.isRecursive());
        copy.setPom(original.getPom());

     *
     * @since 3.2.4
     */
    public void setPomFile(File file) {
        this.file = file;
    }

    /**
     * @deprecated Replaced by {@link #getBaseDirectory()} for migrating from {@code File} to {@code Path}.
     */
    @Deprecated(since = "4.0.0")
    public File getBasedir() {
        return basedir;
    }

    /**

    TransformedArtifact createConsumerPomArtifact(
            MavenProject project, Path consumer, RepositorySystemSession session) {
        Path actual = project.getFile().toPath();
        Path parent = project.getBaseDirectory();
        ModelSource source = new ModelSource() {
            @Override
            public Path getPath() {
                return actual;
            }

            @Override

            throw new MavenExecutionRequestPopulationException("Cannot create local repository.", e);
        }
    }

    private void baseDirectory(MavenExecutionRequest request) {
        if (request.getBaseDirectory() == null && request.getPom() != null) {
            request.setBaseDirectory(request.getPom().getAbsoluteFile().getParentFile());
        }
    }

    /*if_not[MAVEN4]*/

    @Override

     */
    @Deprecated
    MavenExecutionRequest setBaseDirectory(File basedir);

    /**
     * @deprecated use {@link #getTopDirectory()} instead
     */
    @Deprecated
    String getBaseDirectory();

    // Timing (remove this)
    @Deprecated
    MavenExecutionRequest setStartTime(Date start);

    @Deprecated
    Date getStartTime();

        return projects;
    }

    /**
     * @deprecated use {@link #getTopDirectory()} ()}
     */
    @Deprecated
    public String getExecutionRootDirectory() {
        return request.getBaseDirectory();
    }

    /**
     * @see MavenExecutionRequest#getTopDirectory()
     * @since 4.0.0
     */
    public Path getTopDirectory() {
        return request.getTopDirectory();
    }