class TestTextbook(TestCase):
def setUp(self):
"""creates an object to be tested and to prevent redundancy in creating objects"""
self.textbook = Textbook('V654', 'Hamlet', 'Shakespeare', 2000, 3,
'hardcover dust jacket', 'literature', True)
def test_constructor(self):
"""tests the constructor as a 'success' and 'failure' test"""
self.assertIsNotNone(self.textbook)
self.assertIsInstance(self.textbook, Textbook)
with self.assertRaises(TypeError):
textbook = Textbook('V654', 'Hamlet', 'Shakespeare', 2000, 10, 2,
'literature', True)
with self.assertRaises(ValueError):
textbook = Textbook('V654', 'Hamlet', 'Shakespeare', 2000, 10,
'hardcover dust', 'literature', True)
with self.assertRaises(TypeError):
textbook = Textbook('V654', 'Hamlet', 'Shakespeare', 2000, 3,
'hardcover dust jacket', 3, True)
with self.assertRaises(ValueError):
textbook = Textbook('V654', 'Hamlet', 'Shakespeare', 2000, 10,
'hardcover dust jacket', 'kids', True)
def test_get_book_type(self):
"""tests the book type"""
self.assertEqual(self.textbook.get_book_type, 'textbook')
self.assertIsNotNone(self.textbook.get_book_type)
def test_get_book_subject(self):
"""tests the book subject"""
self.assertEqual(self.textbook.get_book_subject, 'literature')
self.assertIsNotNone(self.textbook.get_book_subject)
def test_set_book_subject(self):
"""tests the book platform"""
self.textbook.set_book_subject('music')
self.assertEqual(self.textbook.get_book_subject, 'music')
self.assertIsNotNone(self.textbook.get_book_subject)
with self.assertRaises(ValueError):
self.textbook.set_book_subject('poem')
with self.assertRaises(TypeError):
self.textbook.set_book_subject(12)
def test_get_cover_type(self):
"""tests the book cover type"""
self.assertEqual(self.textbook.get_cover_type, 'hardcover dust jacket')
self.assertIsNotNone(self.textbook.get_cover_type)
def test_set_cover_type(self):
"""tests the book platform"""
self.textbook.set_cover_type('paperback')
self.assertEqual(self.textbook.get_cover_type, 'paperback')
self.assertIsNotNone(self.textbook.get_cover_type)
with self.assertRaises(ValueError):
self.textbook.set_cover_type('poem')
with self.assertRaises(TypeError):
self.textbook.set_cover_type(12)
def test_get_available_cover_types(self):
"""tests the available cover types in the library"""
self.assertEqual(self.textbook.get_available_cover_types,
'\n '.join(self.textbook.COVER_TYPE))
self.assertIsNotNone(self.textbook.get_available_cover_types)
def test_suffix(self):
"""tests the book edition suffix for performance"""
self.assertEqual(self.textbook.suffix(self.textbook.get_edition()),
'rd')
def test_to_dict(self):
""" tests the performance of converting textbook objects to json dictionary """
self.assertTrue(self.textbook.to_dict())
self.assertEqual(
self.textbook.to_dict(), {
'id': 'V654',
'title': 'Hamlet',
'author': 'Shakespeare',
'published_year': 2000,
'edition': 3,
'cover_type': 'hardcover dust jacket',
'subject': 'literature',
'is_borrowed': True
})
def test_display_info(self):
"""tests the description of the textbook object to make sure it returns none but prints the description"""
self.assertTrue(self.textbook.get_availability_status())
self.assertEqual(self.textbook.display_info(), None)
self.textbook = Textbook('A111', 'why do we need to sleep?',
'John Simpliciano', 2017, 9,
'hardcover case wrap', 'health', False)
self.assertFalse(self.textbook.get_availability_status())
self.assertEqual(self.textbook.display_info(), None)
