import unittest
from smiley import smiley_count


class MyTestCase(unittest.TestCase):
    def test_smiley(self):
        self.assertEqual(smiley_count('Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus convallis.'), 0)
        self.assertEqual(smiley_count('Lorem ipsum dolor sit amet =-0, consectetur adipiscing elit =-0. Phasellus convallis. =-0'), 3)
        self.assertEqual(smiley_count('Lorem ipsum dolor sit amet =- 0, consectetur adipiscing elit =\n-0. Phasellus convallis.\n=-0'), 1)
        self.assertEqual(smiley_count(''), 0)
        self.assertEqual(smiley_count('=-0=-0=-0=--=0-=-009=-'), 4)


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