def test_contains_false(self):
expected_value = False
given_value = 1.6 in FloatRange(0, 10, 1.5)
self.assertEqual(expected_value, given_value)
given_value = 0 in FloatRange(10, 0, -1.5)
self.assertEqual(expected_value, given_value)
def test_index(self):
expected_value = 1
given_value = FloatRange(0, 10, 1.5).index(1.5)
self.assertEqual(expected_value, given_value)
given_value = FloatRange(10, 0, -1.5).index(8.5)
self.assertEqual(expected_value, given_value)
def test_contains_true(self):
expected_value = True
given_value = 10 in FloatRange(10, 0, -1.5)
self.assertEqual(expected_value, given_value)
given_value = 8.5 in FloatRange(10, 0, -1.5)
self.assertEqual(expected_value, given_value)
def test_repr_decimal(self):
cases = [
('FloatRange(0, 10.0, 1)', str(FloatRange(10.))),
('FloatRange(0, 10.12, 1)', str(FloatRange(10.12))),
('FloatRange(10.0, 20.0, 1)', str(FloatRange(10., 20.))),
('FloatRange(10, 20, 3.2)', str(FloatRange(10, 20, 3.2))),
]
for case in cases:
self.assertEqual(case[0], case[1])
def test_valid_number(self):
expected_value = 1
given_value = FloatRange._precision(12354.2)
self.assertEqual(expected_value, given_value)
expected_value = 2
given_value = FloatRange._precision(.22)
self.assertEqual(expected_value, given_value)
expected_value = 1
given_value = FloatRange._precision(22.)
self.assertEqual(expected_value, given_value)
def test_max(self):
expected_value = 10
given_value = max(FloatRange(10, 0, -1.5))
self.assertEqual(expected_value, given_value)
def test_getitem_IndexError(self):
expected_value = IndexError
with self.assertRaises(expected_value):
FloatRange(0, 10, 1.5)[123]
def test_getitem_negative(self):
expected_value = 9
given_value = FloatRange(0, 10, 1.5)[-1]
self.assertEqual(expected_value, given_value)
def test_count_invalid(self):
expected_value = 0
given_value = FloatRange(0, 10.9, 1.6).count('a')
self.assertEqual(expected_value, given_value)
def test_inequality_reverse(self):
self.assertTrue(12 != FloatRange(10))
def test_inequality_fail(self):
self.assertTrue(FloatRange(10) != FloatRange(9))
def test_inequality_float(self):
self.assertFalse(FloatRange(10) != FloatRange(10.))
def test_equality_reverse(self):
self.assertFalse(12 == FloatRange(10))
def test_equality_fail(self):
self.assertFalse(FloatRange(10) == FloatRange(9))
def test_equality_float(self):
self.assertTrue(FloatRange(10) == FloatRange(10.))
def test_getitem_positive(self):
expected_value = 1.5
given_value = FloatRange(0, 10, 1.5)
self.assertEqual(expected_value, given_value[1])
def test_inequality_multi_args(self):
self.assertTrue(FloatRange(1, 5) != FloatRange(5, 1))
self.assertFalse(FloatRange(1, 5) != FloatRange(1, 5))
self.assertFalse(FloatRange(1, 5, 2) != FloatRange(1, 5, 2))
def test_inequality_wrong_type(self):
vals = ['12', 12, None]
obj = FloatRange(51)
for v in vals:
self.assertTrue(obj != v)
def test_count_zero(self):
expected_value = 0
given_value = FloatRange(0, 10.9, 1.6).count(1.5)
self.assertEqual(expected_value, given_value)
def test_getitem_TypeError(self):
expected_value = TypeError
with self.assertRaises(expected_value):
FloatRange(0, 10, 1.5)['a']
def test_len_non_zero(self):
expected_value = 7
given_value = len(FloatRange(0, 10.5, 1.5))
self.assertEqual(expected_value, given_value)
def test_repr_simple(self):
self.assertEqual('FloatRange(0, 10, 1)', str(FloatRange(10)))
self.assertEqual('FloatRange(10, 20, 1)', str(FloatRange(10, 20)))
self.assertEqual('FloatRange(10, 20, 3)', str(FloatRange(10, 20, 3)))