Path beforePomFile =
                Paths.get("src/test/resources/projects/transform/before.pom").toAbsolutePath();
        Path afterPomFile =
                Paths.get("src/test/resources/projects/transform/after.pom").toAbsolutePath();
        Path tempFile = Files.createTempFile("", ".pom");
        Files.delete(tempFile);

                            if ("basedir".equals(expression)) {
                                return projectDir.toAbsolutePath().toString();
                            } else if (expression.startsWith("basedir.")) {
                                Path basedir = projectDir.toAbsolutePath();
                                return new ObjectBasedValueSource(basedir)

        assertInstanceOf(Path.class, ee.evaluate("${session.rootDirectory}"));
    }

    @Test
    public void testUri() throws Exception {
        Path path = Paths.get("").toAbsolutePath();

        MavenSession mavenSession = createMavenSession(null);
        mavenSession.getRequest().setTopDirectory(path);
        mavenSession.getRequest().setRootDirectory(path);

        ModelBuilderResult result = builder.build(ModelBuilderRequest.builder()
                .session(session)
                .source(ModelSource.fromPath(Paths.get("pom.xml").toAbsolutePath()))
                .projectBuild(true)
                .build());
        assertNotNull(result.getEffectiveModel());

    private MavenSession newMavenSession() throws Exception {
        return createMavenSession(null);
    }

    @Test
    public void testUri() throws Exception {
        Path path = Paths.get("").toAbsolutePath();

        MavenSession mavenSession = createMavenSession(null);
        mavenSession.getRequest().setTopDirectory(path);
        mavenSession.getRequest().setRootDirectory(path);

        request.setValuePreprocessor(preprocessor).setPathTranslator(translator);

        configurator.configureBean(request);

        assertEquals(Paths.get("base/test").toAbsolutePath(), bean.file);
    }

    @Test
    void testChildConfigurationElement() throws BeanConfigurationException {
        SomeBean bean = new SomeBean();

                @Override
                public Object getValue(String expression) {
                    if ("basedir".equals(expression) || "project.basedir".equals(expression)) {
                        return basedir.toAbsolutePath().toString();
                    }
                    return null;
                }
            });
        } else if (path.contains("${basedir}")) {
            return null;
        }

            jtc.setJavaHome(Paths.get(javahome.getValue()).normalize().toString());
        } else {
            throw new MisconfiguredToolchainException(
                    "Non-existing JDK home configuration at " + normal.toAbsolutePath());
        }

        return jtc;
    }

    public ToolchainPrivate createDefaultToolchain() {
        // not sure it's necessary to provide a default toolchain here.

            Path file = Paths.get(localRepository);
            if (!file.isAbsolute() && file.toString().startsWith(File.separator)) {
                effective = effective.withLocalRepository(file.toAbsolutePath().toString());
            }
        }

        if (hasErrors(problems)) {
            throw new SettingsBuilderException("Error building settings", problems);
        }

        this.project = project;

        Path basedir = null;

        if (project != null) {
            Path projectFile = project.getBasedir();
            basedir = projectFile.toAbsolutePath();
        }

        if (basedir == null) {
            basedir = session.getTopDirectory();
        }

        if (basedir == null) {
            basedir = Paths.get(System.getProperty("user.dir"));