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"""
Tests for the sha module implemented at interp-level in pypy/module/sha.
"""
class AppTestSHA(object):
spaceconfig = {
'usemodules': ['_sha', 'binascii', 'time', 'struct'],
}
def setup_class(cls):
cls.w_sha = cls.space.appexec([], """():
import sha
return sha
""")
def test_digest_size(self):
"""
Check some numeric values from the sha module.
"""
assert self.sha.blocksize == 1
assert self.sha.digest_size == 20
assert self.sha.digestsize == 20
d = self.sha.sha()
assert d.digest_size == 20
assert d.digestsize == 20
def test_SHAType(self):
"""
Test the two ways to construct an sha object.
"""
sha = self.sha
d = sha.sha()
if not hasattr(sha, 'SHAType'):
skip("no sha.SHAType on CPython")
assert isinstance(d, sha.SHAType)
d = sha.new()
assert isinstance(d, sha.SHAType)
def test_shaobject(self):
"""
Feed example strings into a sha object and check the digest and
hexdigest.
"""
sha = self.sha
cases = (
("",
"da39a3ee5e6b4b0d3255bfef95601890afd80709"),
("a",
"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8"),
("abc",
"a9993e364706816aba3e25717850c26c9cd0d89d"),
("message digest",
"c12252ceda8be8994d5fa0290a47231c1d16aae3"),
("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
"761c457bf73b14d27e9e9265c46f4b4dda11f940"),
("1234567890" * 8,
"50abf5706a150990a08b2c5ea40fa0e585554732"),
("1234567890"*999,
"eaaca5490568fde98d8dc553d9566bdc602fde4a"),
)
for input, expected in cases:
d = sha.new(input)
assert d.hexdigest() == expected
assert d.digest() == expected.decode('hex')
def test_copy(self):
"""
Test the copy() method.
"""
sha = self.sha
d1 = sha.sha()
d1.update("abcde")
d2 = d1.copy()
d2.update("fgh")
d1.update("jkl")
assert d1.hexdigest() == 'f5d13cf6341db9b0e299d7b9d562de9572b58e5d'
assert d2.hexdigest() == '425af12a0743502b322e93a015bcf868e324d56a'
def test_buffer(self):
"""
Test passing a buffer object.
"""
sha = self.sha
d1 = sha.sha(buffer("abcde"))
d1.update(buffer("jkl"))
assert d1.hexdigest() == 'f5d13cf6341db9b0e299d7b9d562de9572b58e5d'
def test_unicode(self):
"""
Test passing unicode strings.
"""
sha = self.sha
d1 = sha.sha(u"abcde")
d1.update(u"jkl")
assert d1.hexdigest() == 'f5d13cf6341db9b0e299d7b9d562de9572b58e5d'
raises(UnicodeEncodeError, d1.update, u'\xe9')
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