import unittest
from os import path

from nd2reader.artificial import ArtificialND2
from nd2reader.common import check_or_make_dir
from nd2reader.legacy import Nd2


class TestLegacy(unittest.TestCase):
    def create_test_nd2(self):
        with ArtificialND2(self.test_file) as artificial:
            artificial.close()

    def setUp(self):
        dir_path = path.dirname(path.realpath(__file__))
        check_or_make_dir(path.join(dir_path, 'test_data/'))
        self.test_file = path.join(dir_path, 'test_data/test.nd2')

    def test_can_open_test_file(self):
        self.create_test_nd2()
        with Nd2(self.test_file) as reader:
            self.assertEqual(reader.width, 0)
            self.assertEqual(reader.height, 0)
            self.assertEqual(len(reader.z_levels), 1)
            self.assertEqual(len(reader.channels), 0)
            self.assertEqual(len(reader.frames), 1)