from unittest import TestCase
from math import trunc, floor, ceil
from urbantz.utils import Coordinates


class TestCoordinates(TestCase):
    """
    Unit tests for :class:`urbantz.utils.Coordinates`
    """

    @classmethod
    def setUpClass(cls):
        cls.coords = Coordinates(lat=12.57, lng=-13.49)

    def test_init(self):
        self.assertEqual(self.coords.lat, 12.57)
        self.assertEqual(self.coords.lng, -13.49)

    def test_repr(self):
        self.assertEqual(
            repr(self.coords),
            'Coordinates(lat=12.57, lng=-13.49)',
        )

    def test_str(self):
        self.assertEqual(str(self.coords), '12.57, -13.49')

    def test_hash(self):
        self.assertEqual(hash(self.coords), hash((12.57, -13.49)))

    def test_tuple(self):
        self.assertTupleEqual(tuple(self.coords), (12.57, -13.49))

    def test_len(self):
        self.assertEqual(len(self.coords), 2)

    def test_length_hint(self):
        self.assertEqual(self.coords.__length_hint__(), 2)

    def test_pos(self):
        self.assertEqual(+self.coords, self.coords)

    def test_neg(self):
        self.assertTupleEqual(tuple(-self.coords), (-12.57, 13.49))

    def test_abs(self):
        self.assertTupleEqual(tuple(abs(self.coords)), (12.57, 13.49))

    def test_round(self):
        self.assertTupleEqual(tuple(round(self.coords)), (13, -13))
        self.assertTupleEqual(tuple(round(self.coords, 1)), (12.6, -13.5))

    def test_trunc(self):
        self.assertTupleEqual(tuple(trunc(self.coords)), (12, -13))

    def test_floor(self):
        self.assertTupleEqual(tuple(floor(self.coords)), (12, -14))

    def test_ceil(self):
        self.assertTupleEqual(tuple(ceil(self.coords)), (13, -13))

    def test_toJSON(self):
        self.assertListEqual(self.coords.toJSON(), [-13.49, 12.57])