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93 lines
1.9 KiB
Python
93 lines
1.9 KiB
Python
"""Tests for the ipdoctest machinery itself.
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Note: in a file named test_X, functions whose only test is their docstring (as
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a doctest) and which have no test functionality of their own, should be called
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'doctest_foo' instead of 'test_foo', otherwise they get double-counted (the
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empty function call is counted as a test, which just inflates tests numbers
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artificially).
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"""
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def doctest_simple():
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"""ipdoctest must handle simple inputs
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In [1]: 1
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Out[1]: 1
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In [2]: print(1)
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1
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"""
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def doctest_multiline1():
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"""The ipdoctest machinery must handle multiline examples gracefully.
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In [2]: for i in range(4):
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...: print(i)
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...:
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0
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1
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2
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3
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"""
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def doctest_multiline2():
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"""Multiline examples that define functions and print output.
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In [7]: def f(x):
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...: return x+1
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...:
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In [8]: f(1)
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Out[8]: 2
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In [9]: def g(x):
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...: print('x is:',x)
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...:
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In [10]: g(1)
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x is: 1
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In [11]: g('hello')
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x is: hello
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"""
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def doctest_multiline3():
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"""Multiline examples with blank lines.
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In [12]: def h(x):
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....: if x>1:
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....: return x**2
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....: # To leave a blank line in the input, you must mark it
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....: # with a comment character:
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....: #
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....: # otherwise the doctest parser gets confused.
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....: else:
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....: return -1
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....:
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In [13]: h(5)
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Out[13]: 25
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In [14]: h(1)
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Out[14]: -1
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In [15]: h(0)
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Out[15]: -1
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"""
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def doctest_builtin_underscore():
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"""Defining builtins._ should not break anything outside the doctest
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while also should be working as expected inside the doctest.
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In [1]: import builtins
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In [2]: builtins._ = 42
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In [3]: builtins._
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Out[3]: 42
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In [4]: _
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Out[4]: 42
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"""
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