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168 lines
2.9 KiB
Python
168 lines
2.9 KiB
Python
"""Simple example using doctests.
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This file just contains doctests both using plain python and IPython prompts.
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All tests should be loaded by nose.
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"""
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import os
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def pyfunc():
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"""Some pure python tests...
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>>> pyfunc()
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'pyfunc'
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>>> import os
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>>> 2+3
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5
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>>> for i in range(3):
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... print(i, end=' ')
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... print(i+1, end=' ')
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...
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0 1 1 2 2 3
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"""
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return 'pyfunc'
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def ipfunc():
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"""Some ipython tests...
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In [1]: import os
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In [3]: 2+3
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Out[3]: 5
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In [26]: for i in range(3):
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....: print(i, end=' ')
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....: print(i+1, end=' ')
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....:
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0 1 1 2 2 3
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It's OK to use '_' for the last result, but do NOT try to use IPython's
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numbered history of _NN outputs, since those won't exist under the
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doctest environment:
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In [7]: 'hi'
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Out[7]: 'hi'
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In [8]: print(repr(_))
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'hi'
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In [7]: 3+4
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Out[7]: 7
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In [8]: _+3
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Out[8]: 10
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In [9]: ipfunc()
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Out[9]: 'ipfunc'
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"""
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return "ipfunc"
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def ipos():
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"""Examples that access the operating system work:
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In [1]: !echo hello
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hello
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In [2]: !echo hello > /tmp/foo_iptest
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In [3]: !cat /tmp/foo_iptest
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hello
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In [4]: rm -f /tmp/foo_iptest
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"""
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pass
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ipos.__skip_doctest__ = os.name == "nt"
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def ranfunc():
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"""A function with some random output.
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Normal examples are verified as usual:
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>>> 1+3
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4
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But if you put '# random' in the output, it is ignored:
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>>> 1+3
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junk goes here... # random
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>>> 1+2
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again, anything goes #random
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if multiline, the random mark is only needed once.
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>>> 1+2
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You can also put the random marker at the end:
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# random
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>>> 1+2
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# random
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.. or at the beginning.
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More correct input is properly verified:
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>>> ranfunc()
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'ranfunc'
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"""
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return 'ranfunc'
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def random_all():
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"""A function where we ignore the output of ALL examples.
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Examples:
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# all-random
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This mark tells the testing machinery that all subsequent examples should
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be treated as random (ignoring their output). They are still executed,
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so if a they raise an error, it will be detected as such, but their
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output is completely ignored.
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>>> 1+3
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junk goes here...
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>>> 1+3
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klasdfj;
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>>> 1+2
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again, anything goes
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blah...
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"""
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pass
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def iprand():
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"""Some ipython tests with random output.
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In [7]: 3+4
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Out[7]: 7
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In [8]: print('hello')
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world # random
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In [9]: iprand()
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Out[9]: 'iprand'
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"""
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return 'iprand'
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def iprand_all():
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"""Some ipython tests with fully random output.
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# all-random
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In [7]: 1
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Out[7]: 99
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In [8]: print('hello')
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world
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In [9]: iprand_all()
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Out[9]: 'junk'
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"""
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return 'iprand_all'
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