import unittest

from solution import (nums_to_text, text_to_nums, nums_to_angle,
                      angles_to_nums, is_phone_tastic)


class TestNumsToText(unittest.TestCase):
    """Test the nums_to_text function."""

    def test_simple_conversion(self):
        """Sanity test for a single number."""
        self.assertEqual(nums_to_text([2]).lower(), 'a')

    def test_2(self):
        """Test given example."""
        self.assertEqual(nums_to_text(
            [7, 9, 9, 9, 8, 4, 4, 6, 6, 6, -1, 6, 6]), 'PYTHON')

    def test_3(self):
        """Тest second given example."""
        self.assertEqual(nums_to_text(
            [4, 4, 3, 3, 5, 5, 5, -1, 5, 5, 5, 6, 6, 6]), 'HELLO')

    def test_4(self):
        """Test over-repeating digit."""
        self.assertEqual(nums_to_text([2, 2, 2, 2, 2, 2, 2, 2]), 'B')

    def test_5(self):
        """Test space."""
        self.assertEqual(nums_to_text([2, 2, 0, 1, 3, 3]), 'B E')

    def test_6(self):
        """Test single 1."""
        self.assertEqual(nums_to_text([1]), '')

    def test_7(self):
        """Test skipping 1."""
        self.assertEqual(nums_to_text([2, 2, 1, 2]), 'BA')

    def test_8(self):
        """Test invalid input."""
        self.assertEqual(nums_to_text(
            [2, -10, 2, 2, -10, 2, 2, 2, 10, 3, 'D']), 'ABCD')

    def test_9(self):
        """Test empty input."""
        self.assertEqual(nums_to_text([]), '')

    def test_10(self):
        """Test multiple consecutive zeros."""
        self.assertTrue(nums_to_text([0, 0, 0, 0, 0]) in [' ', '     '])

    def test_11(self):
        """Test from forum."""
        self.assertEqual(nums_to_text([2, 2, 1, 2]), 'BA')


class TestTextToNums(unittest.TestCase):
    """Test the text_to_nums function."""

    def test_simple_conversion(self):
        """Sanity test for a single letter."""
        self.assertEqual(text_to_nums('a'), [2])

    def test_2(self):
        """Test given example."""
        self.assertEqual(text_to_nums("asl pls"), [
                         2, 7, 7, 7, 7, 5, 5, 5, 0,
                         7, 5, 5, 5, 7, 7, 7, 7])

    def test_3(self):
        """Test given example for nums_to_text."""
        self.assertEqual(text_to_nums("PYTHON"), [
                         7, 9, 9, 9, 8, 4, 4, 6, 6, 6, -1, 6, 6])

    def test_4(self):
        """Test repeating letters."""
        self.assertEqual(text_to_nums("aaa bbb ccc"),
                         [2, -1, 2, -1, 2, 0, 2, 2, -1, 2, 2, -1, 2,
                         2, 0, 2, 2, 2, -1, 2, 2, 2, -1, 2, 2, 2])

    def test_5(self):
        """Test combined case."""
        self.assertEqual(text_to_nums("aBcDe"),
                         [2, -1, 2, 2, -1, 2, 2, 2, 3, -1, 3, 3])

    def test_6(self):
        """Test multiple spaces."""
        self.assertTrue(text_to_nums('a   b   c') in
                        [[2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2],
                        [2, 0, -1, 0, -1, 0, 2, 2, 0, -1, 0, -1, 0, 2, 2, 2]])

    def test_7(self):
        """Test invalid input."""
        self.assertEqual(text_to_nums('A@D#'), [2, 3])

    def test_8(self):
        """Test empty input."""
        self.assertEqual(text_to_nums(''), [])

    def test_9(self):
        """Test from forum 1."""
        self.assertEqual(text_to_nums('aa'), [2, -1, 2])

    def test_10(self):
        """Test from forum 2."""
        self.assertEqual(text_to_nums('baba'), [2, 2, -1, 2, -1, 2, 2, -1, 2])

    def test_11(self):
        """Test from forum 3."""
        self.assertEqual(text_to_nums("LLL"), [
                         5, 5, 5, -1, 5, 5, 5, -1, 5, 5, 5])


class TestNumsToAngles(unittest.TestCase):
    """Test the nums_to_angle function."""

    def test_simple_conversion(self):
        """Sanity test for a single number."""
        self.assertEqual(nums_to_angle([1]), 30)

    def test_2(self):
        """Test given example."""
        self.assertEqual(nums_to_angle([1, 5, 9]), 90)

    def test_3(self):
        """Test under 360 degrees."""
        self.assertEqual(nums_to_angle([1, 9]), 300)

    def test_4(self):
        """Test exactly 360 degrees."""
        self.assertEqual(nums_to_angle([1, 2, 9]), 0)

    def test_5(self):
        """Test invalid input."""
        self.assertEqual(nums_to_angle(['a', 10]), 0)

    def test_6(self):
        """Test empty input."""
        self.assertEqual(nums_to_angle([]), 0)

    def test_7(self):
        """Test 330 degrees."""
        self.assertEqual(nums_to_angle([9, 2]), 330)

    def test_8(self):
        """Test from forum 1"""
        self.assertEqual(nums_to_angle([1, 9, 3, 2]), 90)

    def test_9(self):
        """Test from forum 2"""
        self.assertEqual(nums_to_angle([6, 6]), 0)


class TestAnglesToNums(unittest.TestCase):
    """Test the angles_to_nums function."""

    def test_simple_conversion(self):
        """Sanity test for a single angle."""
        self.assertEqual(angles_to_nums([30]), [1])

    def test_2(self):
        """Test given example."""
        self.assertEqual(angles_to_nums([16, 14, 90, -120]), [1, 3, 8])

    def test_3(self):
        """Test skipping 0."""
        self.assertEqual(angles_to_nums([0, 40]), [1])

    def test_4(self):
        """Test skipping rounded to 0."""
        self.assertEqual(angles_to_nums([5]), [])

    def test_5(self):
        """Test skipping 330 degrees."""
        self.assertEqual(angles_to_nums([0, 330]), [])

    def test_6(self):
        """Test skipping rounded to 330 degrees."""
        self.assertEqual(angles_to_nums([335, 60]), [2])

    def test_7(self):
        """Test over 345 and under 360 degrees."""
        self.assertEqual(angles_to_nums([352]), [])

    def test_8(self):
        """Test over 359 degrees."""
        self.assertEqual(angles_to_nums([391]), [1])

    def test_9(self):
        """Test from forum 1"""
        self.assertEqual(angles_to_nums(
            [10, 389, -20, 150, 200, 0]), [1, 5, 7])


class TestIsPhonetastic(unittest.TestCase):
    """Test the is_phone_tastic function."""

    def test_simple_word(self):
        """Sanity test for a single letter word."""
        self.assertTrue(is_phone_tastic('a'))

    def test_2(self):
        """Test given example."""
        self.assertTrue(is_phone_tastic('GOD'))

    def test_3(self):
        """Test including -1."""
        self.assertTrue(is_phone_tastic('AAA'))

    def test_4(self):
        """Test empty input."""
        self.assertFalse(is_phone_tastic(''))

    def test_5(self):
        """Test from forum 1."""
        self.assertTrue(is_phone_tastic('LLL'))


if __name__ == '__main__':
    unittest.main()