64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
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"""
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module containing a parametrized tests testing cross-python
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serialization via the pickle module.
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"""
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import py
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pythonlist = ['python2.4', 'python2.5', 'python2.6', 'python2.7', 'python2.8']
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def pytest_generate_tests(metafunc):
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if 'python1' in metafunc.funcargnames:
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assert 'python2' in metafunc.funcargnames
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for obj in metafunc.function.multiarg.kwargs['obj']:
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for py1 in pythonlist:
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for py2 in pythonlist:
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metafunc.addcall(id="%s-%s-%s" % (py1, py2, obj),
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param=(py1, py2, obj))
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@py.test.mark.multiarg(obj=[42, {}, {1:3},])
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def test_basic_objects(python1, python2, obj):
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python1.dumps(obj)
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python2.load_and_is_true("obj == %s" % obj)
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def pytest_funcarg__python1(request):
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tmpdir = request.getfuncargvalue("tmpdir")
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picklefile = tmpdir.join("data.pickle")
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return Python(request.param[0], picklefile)
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def pytest_funcarg__python2(request):
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python1 = request.getfuncargvalue("python1")
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return Python(request.param[1], python1.picklefile)
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def pytest_funcarg__obj(request):
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return request.param[2]
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class Python:
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def __init__(self, version, picklefile):
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self.pythonpath = py.path.local.sysfind(version)
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if not self.pythonpath:
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py.test.skip("%r not found" %(version,))
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self.picklefile = picklefile
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def dumps(self, obj):
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dumpfile = self.picklefile.dirpath("dump.py")
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dumpfile.write(py.code.Source("""
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import pickle
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f = open(%r, 'wb')
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s = pickle.dump(%r, f)
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f.close()
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""" % (str(self.picklefile), obj)))
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py.process.cmdexec("%s %s" %(self.pythonpath, dumpfile))
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def load_and_is_true(self, expression):
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loadfile = self.picklefile.dirpath("load.py")
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loadfile.write(py.code.Source("""
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import pickle
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f = open(%r, 'rb')
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obj = pickle.load(f)
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f.close()
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res = eval(%r)
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if not res:
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raise SystemExit(1)
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""" % (str(self.picklefile), expression)))
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print (loadfile)
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py.process.cmdexec("%s %s" %(self.pythonpath, loadfile))
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