def test_resumable_hashing(self):
"""Resuming hash has the same result as hashlib."""
results = []
hexresults = []
data = "Freedom is slavery" * 1000
sha = hashlib.sha1()
sha.update(data)
results.append(sha.digest())
hexresults.append(sha.hexdigest())
sha = rhashlib.sha1()
sha.update(data[:500])
sha2 = rhashlib.sha1()
sha2.set_context(sha.get_context())
sha2.update(data[500:])
results.append(sha2.digest())
hexresults.append(sha2.hexdigest())
self.assertEqual(*results)
self.assertEqual(*hexresults)
def test_context(self):
"""get/set context work."""
ctx = rhashlib.sha1()
h0 = ctx.h0
# get content works
old = ctx.get_context()
# change it
ctx.h0 = 1
self.assertEqual(ctx.h0, 1)
# set works
ctx.set_context(old)
self.assertEquals(old, ctx.get_context())
self.assertEqual(ctx.h0, h0)
def test_copy(self):
"""copied hashes have the same context."""
s = rhashlib.sha1("Thoughtcrime does not entail death: "
"thoughtcrime is death.")
self.assertEqual(s.get_context(), s.copy().get_context())