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

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Python
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import os
from twisted.trial import unittest
from twisted.application import service
import allmydata
from allmydata.node import OldConfigError
from allmydata import client
from allmydata.storage_client import StorageFarmBroker
from allmydata.util import base32, fileutil
from allmydata.interfaces import IFilesystemNode, IFileNode, \
IImmutableFileNode, IMutableFileNode, IDirectoryNode
from foolscap.api import flushEventualQueue
import allmydata.test.common_util as testutil
import mock
BASECONFIG = ("[client]\n"
"introducer.furl = \n"
)
BASECONFIG_I = ("[client]\n"
"introducer.furl = %s\n"
)
class Basic(testutil.ReallyEqualMixin, unittest.TestCase):
def test_loadable(self):
basedir = "test_client.Basic.test_loadable"
os.mkdir(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
BASECONFIG)
client.Client(basedir)
@mock.patch('twisted.python.log.msg')
def test_error_on_old_config_files(self, mock_log_msg):
basedir = "test_client.Basic.test_error_on_old_config_files"
os.mkdir(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"),
BASECONFIG +
"[storage]\n" +
"enabled = false\n" +
"reserved_space = bogus\n")
fileutil.write(os.path.join(basedir, "introducer.furl"), "")
fileutil.write(os.path.join(basedir, "no_storage"), "")
fileutil.write(os.path.join(basedir, "readonly_storage"), "")
fileutil.write(os.path.join(basedir, "debug_discard_storage"), "")
e = self.failUnlessRaises(OldConfigError, client.Client, basedir)
self.failUnlessIn(os.path.abspath(os.path.join(basedir, "introducer.furl")), e.args[0])
self.failUnlessIn(os.path.abspath(os.path.join(basedir, "no_storage")), e.args[0])
self.failUnlessIn(os.path.abspath(os.path.join(basedir, "readonly_storage")), e.args[0])
self.failUnlessIn(os.path.abspath(os.path.join(basedir, "debug_discard_storage")), e.args[0])
for oldfile in ['introducer.furl', 'no_storage', 'readonly_storage',
'debug_discard_storage']:
logged = [ m for m in mock_log_msg.call_args_list if
("Found pre-Tahoe-LAFS-v1.3 configuration file" in str(m[0][0]) and oldfile in str(m[0][0])) ]
self.failUnless(logged, (oldfile, mock_log_msg.call_args_list))
for oldfile in [
'nickname', 'webport', 'keepalive_timeout', 'log_gatherer.furl',
'disconnect_timeout', 'advertised_ip_addresses', 'helper.furl',
'key_generator.furl', 'stats_gatherer.furl', 'sizelimit',
'run_helper']:
logged = [ m for m in mock_log_msg.call_args_list if
("Found pre-Tahoe-LAFS-v1.3 configuration file" in str(m[0][0]) and oldfile in str(m[0][0])) ]
self.failIf(logged, oldfile)
def test_secrets(self):
basedir = "test_client.Basic.test_secrets"
os.mkdir(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
BASECONFIG)
c = client.Client(basedir)
secret_fname = os.path.join(basedir, "private", "secret")
self.failUnless(os.path.exists(secret_fname), secret_fname)
renew_secret = c.get_renewal_secret()
self.failUnless(base32.b2a(renew_secret))
cancel_secret = c.get_cancel_secret()
self.failUnless(base32.b2a(cancel_secret))
def test_reserved_1(self):
basedir = "client.Basic.test_reserved_1"
os.mkdir(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
BASECONFIG + \
"[storage]\n" + \
"enabled = true\n" + \
"reserved_space = 1000\n")
c = client.Client(basedir)
self.failUnlessEqual(c.getServiceNamed("storage").reserved_space, 1000)
def test_reserved_2(self):
basedir = "client.Basic.test_reserved_2"
os.mkdir(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
BASECONFIG + \
"[storage]\n" + \
"enabled = true\n" + \
"reserved_space = 10K\n")
c = client.Client(basedir)
self.failUnlessEqual(c.getServiceNamed("storage").reserved_space, 10*1000)
def test_reserved_3(self):
basedir = "client.Basic.test_reserved_3"
os.mkdir(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
BASECONFIG + \
"[storage]\n" + \
"enabled = true\n" + \
"reserved_space = 5mB\n")
c = client.Client(basedir)
self.failUnlessEqual(c.getServiceNamed("storage").reserved_space,
5*1000*1000)
def test_reserved_4(self):
basedir = "client.Basic.test_reserved_4"
os.mkdir(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
BASECONFIG + \
"[storage]\n" + \
"enabled = true\n" + \
"reserved_space = 78Gb\n")
c = client.Client(basedir)
self.failUnlessEqual(c.getServiceNamed("storage").reserved_space,
78*1000*1000*1000)
def test_reserved_bad(self):
basedir = "client.Basic.test_reserved_bad"
os.mkdir(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
BASECONFIG + \
"[storage]\n" + \
"enabled = true\n" + \
"reserved_space = bogus\n")
c = client.Client(basedir)
self.failUnlessEqual(c.getServiceNamed("storage").reserved_space, 0)
def _permute(self, sb, key):
return [ s.get_serverid() for s in sb.get_servers_for_psi(key) ]
def test_permute(self):
sb = StorageFarmBroker(None, True)
for k in ["%d" % i for i in range(5)]:
sb.test_add_rref(k, "rref")
self.failUnlessReallyEqual(self._permute(sb, "one"), ['3','1','0','4','2'])
self.failUnlessReallyEqual(self._permute(sb, "two"), ['0','4','2','1','3'])
sb.servers.clear()
self.failUnlessReallyEqual(self._permute(sb, "one"), [])
def test_versions(self):
basedir = "test_client.Basic.test_versions"
os.mkdir(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
BASECONFIG + \
"[storage]\n" + \
"enabled = true\n")
c = client.Client(basedir)
ss = c.getServiceNamed("storage")
verdict = ss.remote_get_version()
self.failUnlessReallyEqual(verdict["application-version"],
str(allmydata.__full_version__))
self.failIfEqual(str(allmydata.__version__), "unknown")
self.failUnless("." in str(allmydata.__full_version__),
"non-numeric version in '%s'" % allmydata.__version__)
all_versions = allmydata.get_package_versions_string()
self.failUnless(allmydata.__appname__ in all_versions)
# also test stats
stats = c.get_stats()
self.failUnless("node.uptime" in stats)
self.failUnless(isinstance(stats["node.uptime"], float))
def flush_but_dont_ignore(res):
d = flushEventualQueue()
def _done(ignored):
return res
d.addCallback(_done)
return d
class Run(unittest.TestCase, testutil.StallMixin):
def setUp(self):
self.sparent = service.MultiService()
self.sparent.startService()
def tearDown(self):
d = self.sparent.stopService()
d.addBoth(flush_but_dont_ignore)
return d
def test_loadable(self):
basedir = "test_client.Run.test_loadable"
os.mkdir(basedir)
dummy = "pb://wl74cyahejagspqgy4x5ukrvfnevlknt@127.0.0.1:58889/bogus"
fileutil.write(os.path.join(basedir, "tahoe.cfg"), BASECONFIG_I % dummy)
fileutil.write(os.path.join(basedir, "suicide_prevention_hotline"), "")
client.Client(basedir)
def test_reloadable(self):
basedir = "test_client.Run.test_reloadable"
os.mkdir(basedir)
dummy = "pb://wl74cyahejagspqgy4x5ukrvfnevlknt@127.0.0.1:58889/bogus"
fileutil.write(os.path.join(basedir, "tahoe.cfg"), BASECONFIG_I % dummy)
c1 = client.Client(basedir)
c1.setServiceParent(self.sparent)
# delay to let the service start up completely. I'm not entirely sure
# this is necessary.
d = self.stall(delay=2.0)
d.addCallback(lambda res: c1.disownServiceParent())
# the cygwin buildslave seems to need more time to let the old
# service completely shut down. When delay=0.1, I saw this test fail,
# probably due to the logport trying to reclaim the old socket
# number. This suggests that either we're dropping a Deferred
# somewhere in the shutdown sequence, or that cygwin is just cranky.
d.addCallback(self.stall, delay=2.0)
def _restart(res):
# TODO: pause for slightly over one second, to let
# Client._check_hotline poll the file once. That will exercise
# another few lines. Then add another test in which we don't
# update the file at all, and watch to see the node shutdown. (to
# do this, use a modified node which overrides Node.shutdown(),
# also change _check_hotline to use it instead of a raw
# reactor.stop, also instrument the shutdown event in an
# attribute that we can check)
c2 = client.Client(basedir)
c2.setServiceParent(self.sparent)
return c2.disownServiceParent()
d.addCallback(_restart)
return d
class NodeMaker(testutil.ReallyEqualMixin, unittest.TestCase):
def test_maker(self):
basedir = "client/NodeMaker/maker"
fileutil.make_dirs(basedir)
fileutil.write(os.path.join(basedir, "tahoe.cfg"), BASECONFIG)
c = client.Client(basedir)
n = c.create_node_from_uri("URI:CHK:6nmrpsubgbe57udnexlkiwzmlu:bjt7j6hshrlmadjyr7otq3dc24end5meo5xcr5xe5r663po6itmq:3:10:7277")
self.failUnless(IFilesystemNode.providedBy(n))
self.failUnless(IFileNode.providedBy(n))
self.failUnless(IImmutableFileNode.providedBy(n))
self.failIf(IMutableFileNode.providedBy(n))
self.failIf(IDirectoryNode.providedBy(n))
self.failUnless(n.is_readonly())
self.failIf(n.is_mutable())
n = c.create_node_from_uri("URI:LIT:n5xgk")
self.failUnless(IFilesystemNode.providedBy(n))
self.failUnless(IFileNode.providedBy(n))
self.failUnless(IImmutableFileNode.providedBy(n))
self.failIf(IMutableFileNode.providedBy(n))
self.failIf(IDirectoryNode.providedBy(n))
self.failUnless(n.is_readonly())
self.failIf(n.is_mutable())
n = c.create_node_from_uri("URI:SSK:n6x24zd3seu725yluj75q5boaa:mm6yoqjhl6ueh7iereldqxue4nene4wl7rqfjfybqrehdqmqskvq")
self.failUnless(IFilesystemNode.providedBy(n))
self.failUnless(IFileNode.providedBy(n))
self.failIf(IImmutableFileNode.providedBy(n))
self.failUnless(IMutableFileNode.providedBy(n))
self.failIf(IDirectoryNode.providedBy(n))
self.failIf(n.is_readonly())
self.failUnless(n.is_mutable())
n = c.create_node_from_uri("URI:SSK-RO:b7sr5qsifnicca7cbk3rhrhbvq:mm6yoqjhl6ueh7iereldqxue4nene4wl7rqfjfybqrehdqmqskvq")
self.failUnless(IFilesystemNode.providedBy(n))
self.failUnless(IFileNode.providedBy(n))
self.failIf(IImmutableFileNode.providedBy(n))
self.failUnless(IMutableFileNode.providedBy(n))
self.failIf(IDirectoryNode.providedBy(n))
self.failUnless(n.is_readonly())
self.failUnless(n.is_mutable())
n = c.create_node_from_uri("URI:DIR2:n6x24zd3seu725yluj75q5boaa:mm6yoqjhl6ueh7iereldqxue4nene4wl7rqfjfybqrehdqmqskvq")
self.failUnless(IFilesystemNode.providedBy(n))
self.failIf(IFileNode.providedBy(n))
self.failIf(IImmutableFileNode.providedBy(n))
self.failIf(IMutableFileNode.providedBy(n))
self.failUnless(IDirectoryNode.providedBy(n))
self.failIf(n.is_readonly())
self.failUnless(n.is_mutable())
n = c.create_node_from_uri("URI:DIR2-RO:b7sr5qsifnicca7cbk3rhrhbvq:mm6yoqjhl6ueh7iereldqxue4nene4wl7rqfjfybqrehdqmqskvq")
self.failUnless(IFilesystemNode.providedBy(n))
self.failIf(IFileNode.providedBy(n))
self.failIf(IImmutableFileNode.providedBy(n))
self.failIf(IMutableFileNode.providedBy(n))
self.failUnless(IDirectoryNode.providedBy(n))
self.failUnless(n.is_readonly())
self.failUnless(n.is_mutable())
unknown_rw = "lafs://from_the_future"
unknown_ro = "lafs://readonly_from_the_future"
n = c.create_node_from_uri(unknown_rw, unknown_ro)
self.failUnless(IFilesystemNode.providedBy(n))
self.failIf(IFileNode.providedBy(n))
self.failIf(IImmutableFileNode.providedBy(n))
self.failIf(IMutableFileNode.providedBy(n))
self.failIf(IDirectoryNode.providedBy(n))
self.failUnless(n.is_unknown())
self.failUnlessReallyEqual(n.get_uri(), unknown_rw)
self.failUnlessReallyEqual(n.get_write_uri(), unknown_rw)
self.failUnlessReallyEqual(n.get_readonly_uri(), "ro." + unknown_ro)
# Note: it isn't that we *intend* to deploy non-ASCII caps in
# the future, it is that we want to make sure older Tahoe-LAFS
# versions wouldn't choke on them if we were to do so. See
# #1051 and wiki:NewCapDesign for details.
unknown_rw = u"lafs://from_the_future_rw_\u263A".encode('utf-8')
unknown_ro = u"lafs://readonly_from_the_future_ro_\u263A".encode('utf-8')
n = c.create_node_from_uri(unknown_rw, unknown_ro)
self.failUnless(IFilesystemNode.providedBy(n))
self.failIf(IFileNode.providedBy(n))
self.failIf(IImmutableFileNode.providedBy(n))
self.failIf(IMutableFileNode.providedBy(n))
self.failIf(IDirectoryNode.providedBy(n))
self.failUnless(n.is_unknown())
self.failUnlessReallyEqual(n.get_uri(), unknown_rw)
self.failUnlessReallyEqual(n.get_write_uri(), unknown_rw)
self.failUnlessReallyEqual(n.get_readonly_uri(), "ro." + unknown_ro)
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