tahoe-lafs/src/allmydata/test/test_uri.py

332 lines
14 KiB
Python

from twisted.trial import unittest
from allmydata import uri
from allmydata.util import hashutil
from allmydata.interfaces import IURI, IFileURI, IDirnodeURI, IMutableFileURI, \
IVerifierURI
class Literal(unittest.TestCase):
def _help_test(self, data):
u = uri.LiteralFileURI(data)
self.failUnless(IURI.providedBy(u))
self.failUnless(IFileURI.providedBy(u))
self.failIf(IDirnodeURI.providedBy(u))
self.failUnlessEqual(u.data, data)
self.failUnlessEqual(u.get_size(), len(data))
self.failUnless(u.is_readonly())
self.failIf(u.is_mutable())
u2 = uri.from_string(u.to_string())
self.failUnless(IURI.providedBy(u2))
self.failUnless(IFileURI.providedBy(u2))
self.failIf(IDirnodeURI.providedBy(u2))
self.failUnlessEqual(u2.data, data)
self.failUnlessEqual(u2.get_size(), len(data))
self.failUnless(u.is_readonly())
self.failIf(u.is_mutable())
u3 = u.get_readonly()
self.failUnlessIdentical(u, u3)
self.failUnlessEqual(u.get_verifier(), None)
he = u.to_human_encoding()
u_h = uri.LiteralFileURI.init_from_human_encoding(he)
self.failUnlessEqual(u, u_h)
def test_empty(self):
data = "" # This data is some *very* small data!
return self._help_test(data)
def test_pack(self):
data = "This is some small data"
return self._help_test(data)
def test_nonascii(self):
data = "This contains \x00 and URI:LIT: and \n, oh my."
return self._help_test(data)
class Compare(unittest.TestCase):
def test_compare(self):
lit1 = uri.LiteralFileURI("some data")
fileURI = 'URI:CHK:f5ahxa25t4qkktywz6teyfvcx4:opuioq7tj2y6idzfp6cazehtmgs5fdcebcz3cygrxyydvcozrmeq:3:10:345834'
chk1 = uri.CHKFileURI.init_from_string(fileURI)
chk2 = uri.CHKFileURI.init_from_string(fileURI)
self.failIfEqual(lit1, chk1)
self.failUnlessEqual(chk1, chk2)
self.failIfEqual(chk1, "not actually a URI")
# these should be hashable too
s = set([lit1, chk1, chk2])
self.failUnlessEqual(len(s), 2) # since chk1==chk2
def test_is_uri(self):
lit1 = uri.LiteralFileURI("some data").to_string()
self.failUnless(uri.is_uri(lit1))
self.failIf(uri.is_uri("this is not a uri"))
class CHKFile(unittest.TestCase):
def test_pack(self):
key = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
storage_index = hashutil.storage_index_hash(key)
uri_extension_hash = hashutil.uri_extension_hash("stuff")
needed_shares = 25
total_shares = 100
size = 1234
u = uri.CHKFileURI(key=key,
uri_extension_hash=uri_extension_hash,
needed_shares=needed_shares,
total_shares=total_shares,
size=size)
self.failUnlessEqual(u.storage_index, storage_index)
self.failUnlessEqual(u.key, key)
self.failUnlessEqual(u.uri_extension_hash, uri_extension_hash)
self.failUnlessEqual(u.needed_shares, needed_shares)
self.failUnlessEqual(u.total_shares, total_shares)
self.failUnlessEqual(u.size, size)
self.failUnless(u.is_readonly())
self.failIf(u.is_mutable())
self.failUnless(IURI.providedBy(u))
self.failUnless(IFileURI.providedBy(u))
self.failIf(IDirnodeURI.providedBy(u))
self.failUnlessEqual(u.get_size(), 1234)
self.failUnless(u.is_readonly())
self.failIf(u.is_mutable())
u_ro = u.get_readonly()
self.failUnlessIdentical(u, u_ro)
u1a = IFileURI(u.to_string())
self.failUnlessEqual(u1a, u)
he = u.to_human_encoding()
self.failUnlessEqual(he, "http://127.0.0.1:8123/uri/" + u.to_string())
self.failUnlessEqual(uri.CHKFileURI.init_from_human_encoding(he), u)
u2 = uri.from_string(u.to_string())
self.failUnlessEqual(u2.storage_index, storage_index)
self.failUnlessEqual(u2.key, key)
self.failUnlessEqual(u2.uri_extension_hash, uri_extension_hash)
self.failUnlessEqual(u2.needed_shares, needed_shares)
self.failUnlessEqual(u2.total_shares, total_shares)
self.failUnlessEqual(u2.size, size)
self.failUnless(u2.is_readonly())
self.failIf(u2.is_mutable())
self.failUnless(IURI.providedBy(u2))
self.failUnless(IFileURI.providedBy(u2))
self.failIf(IDirnodeURI.providedBy(u2))
self.failUnlessEqual(u2.get_size(), 1234)
self.failUnless(u2.is_readonly())
self.failIf(u2.is_mutable())
v = u.get_verifier()
self.failUnless(isinstance(v.to_string(), str))
v2 = uri.from_string(v.to_string())
self.failUnlessEqual(v, v2)
he = v.to_human_encoding()
v2_h = uri.CHKFileVerifierURI.init_from_human_encoding(he)
self.failUnlessEqual(v2, v2_h)
v3 = uri.CHKFileVerifierURI(storage_index="\x00"*16,
uri_extension_hash="\x00"*32,
needed_shares=3,
total_shares=10,
size=1234)
self.failUnless(isinstance(v3.to_string(), str))
def test_pack_badly(self):
key = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
storage_index = hashutil.storage_index_hash(key)
uri_extension_hash = hashutil.uri_extension_hash("stuff")
needed_shares = 25
total_shares = 100
size = 1234
self.failUnlessRaises(TypeError,
uri.CHKFileURI,
key=key,
uri_extension_hash=uri_extension_hash,
needed_shares=needed_shares,
total_shares=total_shares,
size=size,
bogus_extra_argument="reject me",
)
self.failUnlessRaises(TypeError,
uri.CHKFileVerifierURI,
bogus="bogus")
self.failUnlessRaises(TypeError,
uri.CHKFileVerifierURI,
storage_index=storage_index,
uri_extension_hash=uri_extension_hash,
needed_shares=3,
total_shares=10,
# leave size= missing
)
class Extension(unittest.TestCase):
def test_pack(self):
data = {"stuff": "value",
"size": 12,
"needed_shares": 3,
"big_hash": hashutil.tagged_hash("foo", "bar"),
}
ext = uri.pack_extension(data)
d = uri.unpack_extension(ext)
self.failUnlessEqual(d["stuff"], "value")
self.failUnlessEqual(d["size"], 12)
self.failUnlessEqual(d["big_hash"], hashutil.tagged_hash("foo", "bar"))
readable = uri.unpack_extension_readable(ext)
class Invalid(unittest.TestCase):
def test_create_invalid(self):
not_uri = "I am not a URI"
self.failUnlessRaises(TypeError, uri.from_string, not_uri)
class Constraint(unittest.TestCase):
def test_constraint(self):
good="http://127.0.0.1:8123/uri/URI%3ADIR2%3Agh3l5rbvnv2333mrfvalmjfr4i%3Alz6l7u3z3b7g37s4zkdmfpx5ly4ib4m6thrpbusi6ys62qtc6mma/"
uri.NewDirectoryURI.init_from_human_encoding(good)
self.failUnlessRaises(AssertionError, uri.NewDirectoryURI.init_from_string, good)
bad = good + '==='
self.failUnlessRaises(AssertionError, uri.NewDirectoryURI.init_from_human_encoding, bad)
self.failUnlessRaises(AssertionError, uri.NewDirectoryURI.init_from_string, bad)
fileURI = 'URI:CHK:gh3l5rbvnv2333mrfvalmjfr4i:lz6l7u3z3b7g37s4zkdmfpx5ly4ib4m6thrpbusi6ys62qtc6mma:3:10:345834'
uri.CHKFileURI.init_from_string(fileURI)
class Mutable(unittest.TestCase):
def test_pack(self):
writekey = "\x01" * 16
fingerprint = "\x02" * 32
u = uri.WriteableSSKFileURI(writekey, fingerprint)
self.failUnlessEqual(u.writekey, writekey)
self.failUnlessEqual(u.fingerprint, fingerprint)
self.failIf(u.is_readonly())
self.failUnless(u.is_mutable())
self.failUnless(IURI.providedBy(u))
self.failUnless(IMutableFileURI.providedBy(u))
self.failIf(IDirnodeURI.providedBy(u))
self.failUnless("WriteableSSKFileURI" in str(u))
u1a = IMutableFileURI(u.to_string())
self.failUnlessEqual(u1a, u)
he = u.to_human_encoding()
u_h = uri.WriteableSSKFileURI.init_from_human_encoding(he)
self.failUnlessEqual(u, u_h)
u2 = uri.from_string(u.to_string())
self.failUnlessEqual(u2.writekey, writekey)
self.failUnlessEqual(u2.fingerprint, fingerprint)
self.failIf(u2.is_readonly())
self.failUnless(u2.is_mutable())
self.failUnless(IURI.providedBy(u2))
self.failUnless(IMutableFileURI.providedBy(u2))
self.failIf(IDirnodeURI.providedBy(u2))
u3 = u2.get_readonly()
readkey = hashutil.ssk_readkey_hash(writekey)
self.failUnlessEqual(u3.fingerprint, fingerprint)
self.failUnlessEqual(u3.readkey, readkey)
self.failUnless(u3.is_readonly())
self.failUnless(u3.is_mutable())
self.failUnless(IURI.providedBy(u3))
self.failUnless(IMutableFileURI.providedBy(u3))
self.failIf(IDirnodeURI.providedBy(u3))
he = u3.to_human_encoding()
u3_h = uri.ReadonlySSKFileURI.init_from_human_encoding(he)
self.failUnlessEqual(u3, u3_h)
u4 = uri.ReadonlySSKFileURI(readkey, fingerprint)
self.failUnlessEqual(u4.fingerprint, fingerprint)
self.failUnlessEqual(u4.readkey, readkey)
self.failUnless(u4.is_readonly())
self.failUnless(u4.is_mutable())
self.failUnless(IURI.providedBy(u4))
self.failUnless(IMutableFileURI.providedBy(u4))
self.failIf(IDirnodeURI.providedBy(u4))
u4a = uri.from_string(u4.to_string())
self.failUnlessEqual(u4a, u4)
self.failUnless("ReadonlySSKFileURI" in str(u4a))
self.failUnlessIdentical(u4a.get_readonly(), u4a)
u5 = u4.get_verifier()
self.failUnless(IVerifierURI.providedBy(u5))
self.failUnlessEqual(u5.storage_index, u.storage_index)
u6 = IVerifierURI(u5.to_string())
self.failUnless(IVerifierURI.providedBy(u6))
self.failUnlessEqual(u6.storage_index, u.storage_index)
u7 = u.get_verifier()
self.failUnless(IVerifierURI.providedBy(u7))
self.failUnlessEqual(u7.storage_index, u.storage_index)
he = u5.to_human_encoding()
u5_h = uri.SSKVerifierURI.init_from_human_encoding(he)
self.failUnlessEqual(u5, u5_h)
class NewDirnode(unittest.TestCase):
def test_pack(self):
writekey = "\x01" * 16
fingerprint = "\x02" * 32
n = uri.WriteableSSKFileURI(writekey, fingerprint)
u1 = uri.NewDirectoryURI(n)
self.failIf(u1.is_readonly())
self.failUnless(u1.is_mutable())
self.failUnless(IURI.providedBy(u1))
self.failIf(IFileURI.providedBy(u1))
self.failUnless(IDirnodeURI.providedBy(u1))
self.failUnless("NewDirectoryURI" in str(u1))
u1_filenode = u1.get_filenode_uri()
self.failUnless(u1_filenode.is_mutable())
self.failIf(u1_filenode.is_readonly())
u1a = IDirnodeURI(u1.to_string())
self.failUnlessEqual(u1a, u1)
u2 = uri.from_string(u1.to_string())
self.failUnlessEqual(u1.to_string(), u2.to_string())
self.failIf(u2.is_readonly())
self.failUnless(u2.is_mutable())
self.failUnless(IURI.providedBy(u2))
self.failIf(IFileURI.providedBy(u2))
self.failUnless(IDirnodeURI.providedBy(u2))
u3 = u2.get_readonly()
self.failUnless(u3.is_readonly())
self.failUnless(u3.is_mutable())
self.failUnless(IURI.providedBy(u3))
self.failIf(IFileURI.providedBy(u3))
self.failUnless(IDirnodeURI.providedBy(u3))
u3n = u3._filenode_uri
self.failUnless(u3n.is_readonly())
self.failUnless(u3n.is_mutable())
u3_filenode = u3.get_filenode_uri()
self.failUnless(u3_filenode.is_mutable())
self.failUnless(u3_filenode.is_readonly())
u3a = uri.from_string(u3.to_string())
self.failUnlessIdentical(u3a, u3a.get_readonly())
u4 = uri.ReadonlyNewDirectoryURI(u2._filenode_uri.get_readonly())
self.failUnlessEqual(u4.to_string(), u3.to_string())
self.failUnless(u4.is_readonly())
self.failUnless(u4.is_mutable())
self.failUnless(IURI.providedBy(u4))
self.failIf(IFileURI.providedBy(u4))
self.failUnless(IDirnodeURI.providedBy(u4))
u4_verifier = u4.get_verifier()
u4_verifier_filenode = u4_verifier.get_filenode_uri()
self.failUnless(isinstance(u4_verifier_filenode, uri.SSKVerifierURI))
verifiers = [u1.get_verifier(), u2.get_verifier(),
u3.get_verifier(), u4.get_verifier(),
IVerifierURI(u1.get_verifier().to_string()),
uri.NewDirectoryURIVerifier(n.get_verifier()),
uri.NewDirectoryURIVerifier(n.get_verifier().to_string()),
]
for v in verifiers:
self.failUnless(IVerifierURI.providedBy(v))
self.failUnlessEqual(v._filenode_uri,
u1.get_verifier()._filenode_uri)