# Path: app/data.py
# class Projects():
# class Language():
# class Project():
# class Shelf():
# class Section():
# class Item():
#     def __init__(self) -> None:
#     def load_from_file() -> 'Projects':
#     def load(data: Dict[str, Dict[str, Dict[str, str]]]) -> 'Projects':
#     def __init__(self) -> None:
#     def load(key: str, data: Dict[str, Dict[str, str]]) -> 'Language':
#     def __init__(self) -> None:
#     def load(key: str, data: Dict[str, str]) -> 'Project':
#     def links(self) -> Dict[str, str]:
# def get_projects() -> Projects:
#     def __init__(self) -> None:
#     def load_from_file() -> 'Shelf':
#     def load(shelf_data: Dict[str, List[Dict[str, str]]]) -> 'Shelf':
#     def __init__(self) -> None:
#     def load(name: str, data: List[Dict[str, str]]) -> 'Section':
#     def __init__(self) -> None:
#     def load(data: Dict[str, str]) -> 'Item':
# def get_shelf() -> Shelf:
# 
# Path: app/util.py
# SHOULD_CACHE = os.environ.get('ENV', 'development') == 'production'
# def cached_function(func: Callable[..., Any]) -> Callable[..., Any]:
#     def wrapper(*args: Any) -> Any:


import unittest
from app import data, util
        self.assertNotEqual(projects.languages, [])
        self.assertTrue(len(projects.languages) > 0)
        self.assertTrue(len(projects.languages[0].projects) > 0)
        self.assertTrue(len(projects.languages[0].projects[0].name) > 0)
        self.assertTrue(len(projects.languages[0].projects[0].description) > 0)

    def test_get_projects(self) -> None:
        projects1 = data.get_projects()
        projects2 = data.get_projects()
        self.assertEqual(projects1, projects2)


class TestShelf(unittest.TestCase):
    def setUp(self) -> None:
        self.original_cache = util.SHOULD_CACHE
        util.SHOULD_CACHE = True

    def tearDown(self) -> None:
        util.SHOULD_CACHE = self.original_cache

    def test_load_from_file(self) -> None:
        shelf = data.Shelf.load_from_file()
        self.assertNotEqual(shelf.sections, [])
        self.assertNotEqual(shelf.sections[0].name, '')
        self.assertNotEqual(shelf.sections[0].items, [])
        self.assertNotEqual(shelf.sections[0].items[0].name, '')
        self.assertNotEqual(shelf.sections[0].items[0].link, '')

    def test_get_shelf(self) -> None:
        shelf1 = data.get_shelf()

# Path: app/data.py
# class Projects():
# class Language():
# class Project():
# class Shelf():
# class Section():
# class Item():
#     def __init__(self) -> None:
#     def load_from_file() -> 'Projects':
#     def load(data: Dict[str, Dict[str, Dict[str, str]]]) -> 'Projects':
#     def __init__(self) -> None:
#     def load(key: str, data: Dict[str, Dict[str, str]]) -> 'Language':
#     def __init__(self) -> None:
#     def load(key: str, data: Dict[str, str]) -> 'Project':
#     def links(self) -> Dict[str, str]:
# def get_projects() -> Projects:
#     def __init__(self) -> None:
#     def load_from_file() -> 'Shelf':
#     def load(shelf_data: Dict[str, List[Dict[str, str]]]) -> 'Shelf':
#     def __init__(self) -> None:
#     def load(name: str, data: List[Dict[str, str]]) -> 'Section':
#     def __init__(self) -> None:
#     def load(data: Dict[str, str]) -> 'Item':
# def get_shelf() -> Shelf:
# 
# Path: app/util.py
# SHOULD_CACHE = os.environ.get('ENV', 'development') == 'production'
# def cached_function(func: Callable[..., Any]) -> Callable[..., Any]:
#     def wrapper(*args: Any) -> Any:


# Path: app/tests/test_data.py
import unittest
from app import data, util

        self.assertNotEqual(projects.languages, [])
        self.assertTrue(len(projects.languages) > 0)
        self.assertTrue(len(projects.languages[0].projects) > 0)
        self.assertTrue(len(projects.languages[0].projects[0].name) > 0)
        self.assertTrue(len(projects.languages[0].projects[0].description) > 0)

    def test_get_projects(self) -> None:
        projects1 = data.get_projects()
        projects2 = data.get_projects()
        self.assertEqual(projects1, projects2)


class TestShelf(unittest.TestCase):
    def setUp(self) -> None:
        self.original_cache = util.SHOULD_CACHE
        util.SHOULD_CACHE = True

    def tearDown(self) -> None:
        util.SHOULD_CACHE = self.original_cache

    def test_load_from_file(self) -> None:
        shelf = data.Shelf.load_from_file()
        self.assertNotEqual(shelf.sections, [])
        self.assertNotEqual(shelf.sections[0].name, '')
        self.assertNotEqual(shelf.sections[0].items, [])
        self.assertNotEqual(shelf.sections[0].items[0].name, '')
        self.assertNotEqual(shelf.sections[0].items[0].link, '')

    def test_get_shelf(self) -> None:
        shelf1 = data.get_shelf()

        shelf2 = data.get_shelf()