Viewing file:  test_structseq.py (2.9 KB) -rw-r--r--
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import unittest
from test import test_support
import time
class StructSeqTest(unittest.TestCase):
def test_tuple(self):
t = time.gmtime()
astuple = tuple(t)
self.assertEqual(len(t), len(astuple))
self.assertEqual(t, astuple)
# Check that slicing works the same way; at one point, slicing t[i:j] with
# 0 < i < j could produce NULLs in the result.
for i in xrange(-len(t), len(t)):
self.assertEqual(t[i:], astuple[i:])
for j in xrange(-len(t), len(t)):
self.assertEqual(t[i:j], astuple[i:j])
for j in xrange(-len(t), len(t)):
self.assertEqual(t[:j], astuple[:j])
self.assertRaises(IndexError, t.__getitem__, -len(t)-1)
self.assertRaises(IndexError, t.__getitem__, len(t))
for i in xrange(-len(t), len(t)-1):
self.assertEqual(t[i], astuple[i])
def test_repr(self):
t = time.gmtime()
repr(t)
def test_concat(self):
t1 = time.gmtime()
t2 = t1 + tuple(t1)
for i in xrange(len(t1)):
self.assertEqual(t2[i], t2[i+len(t1)])
def test_repeat(self):
t1 = time.gmtime()
t2 = 3 * t1
for i in xrange(len(t1)):
self.assertEqual(t2[i], t2[i+len(t1)])
self.assertEqual(t2[i], t2[i+2*len(t1)])
def test_contains(self):
t1 = time.gmtime()
for item in t1:
self.assert_(item in t1)
self.assert_(-42 not in t1)
def test_hash(self):
t1 = time.gmtime()
self.assertEqual(hash(t1), hash(tuple(t1)))
def test_cmp(self):
t1 = time.gmtime()
t2 = type(t1)(t1)
self.assertEqual(t1, t2)
self.assert_(not (t1 < t2))
self.assert_(t1 <= t2)
self.assert_(not (t1 > t2))
self.assert_(t1 >= t2)
self.assert_(not (t1 != t2))
def test_fields(self):
t = time.gmtime()
self.assertEqual(len(t), t.n_fields)
self.assertEqual(t.n_fields, t.n_sequence_fields+t.n_unnamed_fields)
def test_constructor(self):
t = time.struct_time
self.assertRaises(TypeError, t)
self.assertRaises(TypeError, t, None)
self.assertRaises(TypeError, t, "123")
self.assertRaises(TypeError, t, "123", dict={})
self.assertRaises(TypeError, t, "123456789", dict=None)
s = "123456789"
self.assertEqual("".join(t(s)), s)
def test_eviltuple(self):
class Exc(Exception):
pass
# Devious code could crash structseqs' contructors
class C:
def __getitem__(self, i):
raise Exc
def __len__(self):
return 9
self.assertRaises(Exc, time.struct_time, C())
def test_reduce(self):
t = time.gmtime()
x = t.__reduce__()
def test_main():
test_support.run_unittest(StructSeqTest)
if __name__ == "__main__":
test_main()
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