107 lines
1.9 KiB
Python
107 lines
1.9 KiB
Python
"""
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This is code that is copy-and-pasted in the slides.
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"""
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def test_arithmetic():
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assert 1 == 1
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assert 2 * 3 == 6
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def test_len_list():
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lst = ['a', 'b', 'c']
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assert len(lst) == 3
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def test_various():
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assert 'Hi'.islower()
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assert 2 + 1 == 3
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assert [2] + [1] == [2, 1]
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assert 'a' + 'b' != 'ab'
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def test_1_and_2():
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assert 1 + 2 == 3
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def test_1_and_2_float():
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assert 1.1 + 2.2 == 3.3
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from math import isclose
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def test_floating_point_math():
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assert isclose(1.1 + 2.2, 3.3)
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def test_floating_point_math2():
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assert isclose(1.121, 1.2, abs_tol=1e-1)
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assert isclose(1.121, 1.2, abs_tol=1e-2)
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def test_floating_point_math3():
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assert isclose(120.1, 121.4, rel_tol=1e-1)
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assert isclose(120.4, 121.4, rel_tol=1e-2)
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import numpy
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def test_numpy_equality():
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x = numpy.array([1, 1])
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y = numpy.array([2, 2])
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z = numpy.array([3, 3])
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assert x + y == z
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from py.test import raises
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class SomeException(Exception):
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pass
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do_something = do_something_else = lambda : 1
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def test_raises():
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with raises(SomeException):
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do_something()
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do_something_else()
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def test_raises2():
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with raises(ValueError):
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int('XYZ')
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def test_lower():
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# Given
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string = 'HeLlO wOrld'
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expected = 'hello world'
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# When
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output = string.lower()
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# Then
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assert output == expected
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def test_lower_empty_string():
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# Given
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string = ''
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expected = ''
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# When
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output = string.lower()
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# Then
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assert output == expected
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def test_lower1():
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# Given
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# Each test case is a tuple of (input, expected_result)
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test_cases = [('HeLlO wOrld', 'hello world'),
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('hi', 'hi'),
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('123 ([?', '123 ([?'),
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('', '')]
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for string, expected in test_cases:
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# When
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output = string.lower()
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# Then
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assert output == expected
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