From: Rob Kinninmont Date: Fri, 1 Dec 2006 05:38:42 +0000 (-0700) Subject: added storage test X-Git-Tag: tahoe_v0.1.0-0-UNSTABLE~508 X-Git-Url: https://git.rkrishnan.org/webform_css?a=commitdiff_plain;h=c397ddf5ce2fd7db9d8216a969091e91ad51e996;p=tahoe-lafs%2Ftahoe-lafs.git added storage test --- diff --git a/allmydata/test/test_storage.py b/allmydata/test/test_storage.py new file mode 100644 index 00000000..33b19c20 --- /dev/null +++ b/allmydata/test/test_storage.py @@ -0,0 +1,102 @@ + +import os +import random + +from twisted.trial import unittest +from twisted.application import service +from twisted.internet import defer +from twisted.python import log +from foolscap import Tub + +from allmydata import client + +class StorageTest(unittest.TestCase): + + def setUp(self): + self.svc = service.MultiService() + self.node = client.Client('') + self.node.setServiceParent(self.svc) + self.tub = Tub() + self.tub.setServiceParent(self.svc) + return self.svc.startService() + + def test_create_bucket(self): + vid = os.urandom(20) + bnum = random.randint(0,100) + data = os.urandom(random.randint(1024, 16384)) + + rssd = self.tub.getReference(self.node.my_pburl) + def get_storageserver(node): + return node.callRemote('get_service', name='storageserver') + rssd.addCallback(get_storageserver) + + def create_bucket(storageserver): + return storageserver.callRemote('allocate_bucket', + verifierid=vid, + bucket_num=bnum, + size=len(data), + leaser=self.node.nodeid, + ) + rssd.addCallback(create_bucket) + + def write_to_bucket(bucket): + def write_some(junk, bucket, bytes): + return bucket.callRemote('write', data=bytes) + def finalise(junk, bucket): + return bucket.callRemote('finalise') + off1 = len(data) / 2 + off2 = 3 * len(data) / 4 + d = defer.succeed(None) + d.addCallback(write_some, bucket, data[:off1]) + d.addCallback(write_some, bucket, data[off1:off2]) + d.addCallback(write_some, bucket, data[off2:]) + d.addCallback(finalise, bucket) + return d + rssd.addCallback(write_to_bucket) + + return rssd + + def test_overwrite(self): + vid = os.urandom(20) + bnum = random.randint(0,100) + data = os.urandom(random.randint(1024, 16384)) + + rssd = self.tub.getReference(self.node.my_pburl) + def get_storageserver(node): + return node.callRemote('get_service', name='storageserver') + rssd.addCallback(get_storageserver) + + def create_bucket(storageserver): + return storageserver.callRemote('allocate_bucket', + verifierid=vid, + bucket_num=bnum, + size=len(data), + leaser=self.node.nodeid, + ) + rssd.addCallback(create_bucket) + + def write_to_bucket(bucket): + def write_some(junk, bucket, bytes): + return bucket.callRemote('write', data=bytes) + def finalise(junk, bucket): + return bucket.callRemote('finalise') + off1 = len(data) / 2 + off2 = 3 * len(data) / 4 + d = defer.succeed(None) + d.addCallback(write_some, bucket, data[:off1]) + d.addCallback(write_some, bucket, data[off1:off2]) + d.addCallback(write_some, bucket, data[off2:]) + # and then overwrite + d.addCallback(write_some, bucket, data[off1:off2]) + d.addCallback(finalise, bucket) + return d + rssd.addCallback(write_to_bucket) + + def should_fail(f): + f.trap(AssertionError) + + rssd.addCallbacks(self.fail, should_fail) + return rssd + + def tearDown(self): + return self.svc.stopService()