##// END OF EJS Templates
try to shutdown at the end of every notebook run...
try to shutdown at the end of every notebook run this line causes noise in the test suite, but if we just ignore it, we'll never get to the bottom of it. It seems to only happen when running 'iptest js', and *not* when running the 'casperjs test' command directly, with a notebookserver that was launched manually.

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test_decorators.py
168 lines | 3.9 KiB | text/x-python | PythonLexer
"""Tests for the decorators we've created for IPython.
"""
# Module imports
# Std lib
import inspect
import sys
# Third party
import nose.tools as nt
# Our own
from IPython.testing import decorators as dec
from IPython.testing.skipdoctest import skip_doctest
#-----------------------------------------------------------------------------
# Utilities
# Note: copied from OInspect, kept here so the testing stuff doesn't create
# circular dependencies and is easier to reuse.
def getargspec(obj):
"""Get the names and default values of a function's arguments.
A tuple of four things is returned: (args, varargs, varkw, defaults).
'args' is a list of the argument names (it may contain nested lists).
'varargs' and 'varkw' are the names of the * and ** arguments or None.
'defaults' is an n-tuple of the default values of the last n arguments.
Modified version of inspect.getargspec from the Python Standard
Library."""
if inspect.isfunction(obj):
func_obj = obj
elif inspect.ismethod(obj):
func_obj = obj.im_func
else:
raise TypeError('arg is not a Python function')
args, varargs, varkw = inspect.getargs(func_obj.func_code)
return args, varargs, varkw, func_obj.func_defaults
#-----------------------------------------------------------------------------
# Testing functions
@dec.as_unittest
def trivial():
"""A trivial test"""
pass
@dec.skip
def test_deliberately_broken():
"""A deliberately broken test - we want to skip this one."""
1/0
@dec.skip('Testing the skip decorator')
def test_deliberately_broken2():
"""Another deliberately broken test - we want to skip this one."""
1/0
# Verify that we can correctly skip the doctest for a function at will, but
# that the docstring itself is NOT destroyed by the decorator.
@skip_doctest
def doctest_bad(x,y=1,**k):
"""A function whose doctest we need to skip.
>>> 1+1
3
"""
print 'x:',x
print 'y:',y
print 'k:',k
def call_doctest_bad():
"""Check that we can still call the decorated functions.
>>> doctest_bad(3,y=4)
x: 3
y: 4
k: {}
"""
pass
def test_skip_dt_decorator():
"""Doctest-skipping decorator should preserve the docstring.
"""
# Careful: 'check' must be a *verbatim* copy of the doctest_bad docstring!
check = """A function whose doctest we need to skip.
>>> 1+1
3
"""
# Fetch the docstring from doctest_bad after decoration.
val = doctest_bad.__doc__
nt.assert_equal(check,val,"doctest_bad docstrings don't match")
# Doctest skipping should work for class methods too
class FooClass(object):
"""FooClass
Example:
>>> 1+1
2
"""
@skip_doctest
def __init__(self,x):
"""Make a FooClass.
Example:
>>> f = FooClass(3)
junk
"""
print 'Making a FooClass.'
self.x = x
@skip_doctest
def bar(self,y):
"""Example:
>>> ff = FooClass(3)
>>> ff.bar(0)
boom!
>>> 1/0
bam!
"""
return 1/y
def baz(self,y):
"""Example:
>>> ff2 = FooClass(3)
Making a FooClass.
>>> ff2.baz(3)
True
"""
return self.x==y
def test_skip_dt_decorator2():
"""Doctest-skipping decorator should preserve function signature.
"""
# Hardcoded correct answer
dtargs = (['x', 'y'], None, 'k', (1,))
# Introspect out the value
dtargsr = getargspec(doctest_bad)
assert dtargsr==dtargs, \
"Incorrectly reconstructed args for doctest_bad: %s" % (dtargsr,)
@dec.skip_linux
def test_linux():
nt.assert_false(sys.platform.startswith('linux'),"This test can't run under linux")
@dec.skip_win32
def test_win32():
nt.assert_not_equal(sys.platform,'win32',"This test can't run under windows")
@dec.skip_osx
def test_osx():
nt.assert_not_equal(sys.platform,'darwin',"This test can't run under osx")