def test_wrong_p(self):
"""
This test checks if the function deals correctly with list with argument p > 1.
"""
with self.assertRaises(ValueError) as error:
quantile([1, 2], 10)
self.assertEqual(error.exception.args[0], 'argument p should be more then 0 and less then 1')
def test_not_numeric_values_in_list(self):
"""
This test checks if the function deals correctly with list with not numeric values given as an argument.
"""
with self.assertRaises(TypeError) as error:
quantile([1, 'a'], 0.5)
self.assertEqual(error.exception.args[0], 'argument of the function must be a list of values of type int '
'or float')
def test_not_a_list(self):
"""
This test checks if the function deals correctly with not a list argument.
"""
with self.assertRaises(TypeError) as error:
quantile('a', 0.5)
self.assertEqual(error.exception.args[0], 'argument of the function must be a list of values of type int '
'or float')
def test_quantile(self):
self.assertEqual(stats.quantile([1, 2, 3, 4, 5], 0.2), 2)
def test_quantile_wrong_type(self):
with self.assertRaises(TypeError) as raised_exception:
stats.quantile([2, 3, 4], 3)
self.assertEqual(raised_exception.exception.args[0], "p must be float")
def test_quantile_wrong_range_p(self):
with self.assertRaises(ValueError) as raised_exception:
stats.quantile([2, 3, 4], 3.0)
self.assertEqual(raised_exception.exception.args[0],
"p must be in range (0,1)")
def test_list_of_float(self):
"""
This test checks if the function deals correctly with list [1.21, -3.42, 5.56, 112.86, -34].
"""
self.assertEqual(quantile([1.21, -3.42, 5.56, 112.86, -34], 0.75), 5.56)
def test_simple_int_list(self):
"""
This test checks if the function deals correctly with list [1, 2, 3, 4, 5].
"""
self.assertEqual(quantile([1, 2, 3, 4, 5], 0.2), 2)
def test_one_element(self):
"""
This test checks if the function deals correctly with list of one element.
"""
self.assertEqual(quantile([1], 0.5), 1)