def test_lazy_pop(self):
d = LazyDict()
k, v = ('abc', 'def')
d.set_stub(k, lambda x:'def')
self.assertRaises(KeyError, d.pop, 'ghi')
self.assertEqual(d.pop(k), v)
self.assertEqual(len(d), 0)
self.assertRaises(KeyError, d.pop, k)
self.assertEqual(d.pop(k, v), v)
d.set_stub(k, lambda x:v)
self.assertEqual(d.pop(k, 1), v)
self.assertRaises(TypeError, d.pop)
def test_pop(self):
# Tests for pop with specified key
d = LazyDict()
k, v = 'abc', 'def'
d[k] = v
self.assertRaises(KeyError, d.pop, 'ghi')
self.assertEqual(d.pop(k), v)
self.assertEqual(len(d), 0)
self.assertRaises(KeyError, d.pop, k)
# verify longs/ints get same value when key > 32 bits
# (for 64-bit archs). See SF bug #689659.
x = 4503599627370496
y = 4503599627370496
h = LazyDict({x: 'anything', y: 'something else'})
self.assertEqual(h[x], h[y])
self.assertEqual(d.pop(k, v), v)
d[k] = v
self.assertEqual(d.pop(k, 1), v)
self.assertRaises(TypeError, d.pop)
class Exc(Exception): pass
class BadHash(object):
fail = False
def __hash__(self):
if self.fail:
raise Exc()
else:
return 42
x = BadHash()
d[x] = 42
x.fail = True
self.assertRaises(Exc, d.pop, x)