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The simplest way to start using doctest in python

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Rubber Duck answered on February 26, 2020 Popularity 8/10 Helpfulness 2/10

answer The simplest way to start using doctest in python

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The simplest way to start using doctest in python

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if __name__ == "__main__":
    import doctest
    doctest.testmod()

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Source: docs.python.org

Tags: doctest python using

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Contributed on Jun 27 2022

Rubber Duck

0 Answers Avg Quality 2/10

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running doctests python

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python -m doctest -v filename.py

Popularity 10/10 Helpfulness 4/10 Language python

Source: codeinplace2021.github.io

Tags: python py

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Contributed on May 12 2021

OuttaSpace

0 Answers Avg Quality 2/10

doctest example in python

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"""
This is the "example" module.

The example module supplies one function, factorial().  For example,

>>> factorial(5)
120
"""

def factorial(n):
    """Return the factorial of n, an exact integer >= 0.

    >>> [factorial(n) for n in range(6)]
    [1, 1, 2, 6, 24, 120]
    >>> factorial(30)
    265252859812191058636308480000000
    >>> factorial(-1)
    Traceback (most recent call last):
        ...
    ValueError: n must be >= 0

    Factorials of floats are OK, but the float must be an exact integer:
    >>> factorial(30.1)
    Traceback (most recent call last):
        ...
    ValueError: n must be exact integer
    >>> factorial(30.0)
    265252859812191058636308480000000

    It must also not be ridiculously large:
    >>> factorial(1e100)
    Traceback (most recent call last):
        ...
    OverflowError: n too large
    """

    import math
    if not n >= 0:
        raise ValueError("n must be >= 0")
    if math.floor(n) != n:
        raise ValueError("n must be exact integer")
    if n+1 == n:  # catch a value like 1e300
        raise OverflowError("n too large")
    result = 1
    factor = 2
    while factor <= n:
        result *= factor
        factor += 1
    return result


if __name__ == "__main__":
    import doctest
    doctest.testmod()

Popularity 9/10 Helpfulness 3/10 Language python

Source: docs.python.org

Tags: doctest

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Contributed on Jun 27 2022

Rubber Duck

0 Answers Avg Quality 2/10

doctest python

Comment

"""
This is the "example" module.

The example module supplies one function, factorial().  For example,

>>> factorial(5)
120
"""

def factorial(n):
    """Return the factorial of n, an exact integer >= 0.

    >>> [factorial(n) for n in range(6)]
    [1, 1, 2, 6, 24, 120]
    >>> factorial(30)
    265252859812191058636308480000000
    >>> factorial(-1)
    Traceback (most recent call last):
        ...
    ValueError: n must be >= 0

    Factorials of floats are OK, but the float must be an exact integer:
    >>> factorial(30.1)
    Traceback (most recent call last):
        ...
    ValueError: n must be exact integer
    >>> factorial(30.0)
    265252859812191058636308480000000

    It must also not be ridiculously large:
    >>> factorial(1e100)
    Traceback (most recent call last):
        ...
    OverflowError: n too large
    """

    import math
    if not n >= 0:
        raise ValueError("n must be >= 0")
    if math.floor(n) != n:
        raise ValueError("n must be exact integer")
    if n+1 == n:  # catch a value like 1e300
        raise OverflowError("n too large")
    result = 1
    factor = 2
    while factor <= n:
        result *= factor
        factor += 1
    return result


if __name__ == "__main__":
    import doctest
    doctest.testmod()

Popularity 9/10 Helpfulness 2/10 Language python

Source: docs.python.org

Tags: doctest

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Contributed on May 22 2021

Talented Thrush

0 Answers Avg Quality 2/10

how to write a python doctest

Comment

def a_function(*args):
  '''
  >>>an input
  expected output
  '''
  if this:
    return that
# A doctest may also include a docstring

Popularity 10/10 Helpfulness 1/10 Language python

Source: docs.python.org

Tags: doctest

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Contributed on Feb 26 2020

The Rambling Lank

0 Answers Avg Quality 2/10

The simplest way to start using doctest in python

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