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42 lines
1.9 KiB
Python
42 lines
1.9 KiB
Python
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from twisted.trial import unittest
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from allmydata.util.netstring import netstring, split_netstring
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class Netstring(unittest.TestCase):
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def test_split(self):
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a = netstring("hello") + netstring("world")
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self.failUnlessEqual(split_netstring(a, 2), ("hello", "world"))
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self.failUnlessEqual(split_netstring(a, 2, False), ("hello", "world"))
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self.failUnlessEqual(split_netstring(a, 2, True),
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("hello", "world", ""))
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self.failUnlessRaises(ValueError, split_netstring, a, 3)
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self.failUnlessRaises(ValueError, split_netstring, a+" extra", 2)
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self.failUnlessRaises(ValueError, split_netstring, a+" extra", 2, False)
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self.failUnlessEqual(split_netstring(a+"++", 2, required_trailer="++"),
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("hello", "world"))
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self.failUnlessRaises(ValueError,
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split_netstring, a+"+", 2, required_trailer="not")
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def test_extra(self):
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a = netstring("hello")
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self.failUnlessEqual(split_netstring(a, 1, True), ("hello", ""))
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b = netstring("hello") + "extra stuff"
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self.failUnlessEqual(split_netstring(b, 1, True),
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("hello", "extra stuff"))
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def test_nested(self):
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a = netstring("hello") + netstring("world") + "extra stuff"
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b = netstring("a") + netstring("is") + netstring(a) + netstring(".")
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top = split_netstring(b, 4)
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self.failUnlessEqual(len(top), 4)
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self.failUnlessEqual(top[0], "a")
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self.failUnlessEqual(top[1], "is")
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self.failUnlessEqual(top[2], a)
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self.failUnlessEqual(top[3], ".")
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self.failUnlessRaises(ValueError, split_netstring, a, 2)
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self.failUnlessRaises(ValueError, split_netstring, a, 2, False)
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bottom = split_netstring(a, 2, True)
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self.failUnlessEqual(bottom, ("hello", "world", "extra stuff"))
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