@Test
void eval() {

    TemplateMetaContext context = new TemplateMetaContext(TestModel.class);
    TestModel root = new TestModel();
    root.stringField = "value";
    root.mapListField = Map.of("key", List.of(1));
    ExpressionHolder expression = new ExpressionBuilder("stringField", context, null).build();
    assertThat(expression.eval(new TemplateContext(root, null)))
        .isEqualTo(root.stringField);
    expression = new ExpressionBuilder("mapListField.get(\"key\")", context, null).build();
    assertThat(expression.eval(new TemplateContext(root, null)))
        .isEqualTo(root.mapListField.get("key"));
}