def config_install(args, rc):
import yaml
import pkgutil
import os
from ambry.run import RunConfig as rc
import getpass
edit_args = ' '.join(args.args)
user = getpass.getuser()
if user == 'root':
install_file = rc.ROOT_CONFIG
default_root = '/ambry'
elif os.getenv('VIRTUAL_ENV'): # Special case for python virtual environments
install_file = os.path.join(os.getenv('VIRTUAL_ENV'), '.ambry.yaml')
default_root = os.path.join(os.getenv('VIRTUAL_ENV'), 'data')
else:
install_file = rc.USER_CONFIG
warn(("Installing as non-root, to '{}'\n" +
"Run as root to install for all users.").format(install_file))
default_root = os.path.join(os.path.expanduser('~'), 'ambry')
if os.path.exists(install_file):
if args.edit:
prt("File output file exists, editing: {}".format(install_file))
with open(install_file) as f:
contents = f.read()
elif args.force:
prt("File output file exists, overwriting: {}".format(
install_file))
contents = pkgutil.get_data(
"ambry.support", 'ambry-{}.yaml'.format(args.template))
else:
fatal(
"Output file {} exists. Use -e to edit, or -f to overwrite".format(install_file))
else:
contents = pkgutil.get_data(
"ambry.support", 'ambry-{}.yaml'.format(args.template))
d = yaml.load(contents)
# Set the key-value entries.
if edit_args:
key, value = edit_args.split('=')
value = value.strip()
key = key.strip()
key_parts = key.split('.')
e = d
for k in key_parts:
k = k.strip()
print k, str(key_parts[-1])
if str(k) == str(key_parts[-1]):
e[k] = value
else:
e = e[k]
if args.root:
d['filesystem']['root'] = args.root
elif default_root:
d['filesystem']['root'] = default_root
if args.remote:
try:
d['library']['default']['remotes'] = [args.remote]
except Exception as e:
err("Failed to set remote: {} ".format(e))
s = yaml.dump(d, indent=4, default_flow_style=False)
if args.prt:
prt(s.replace("{", "{{").replace("}", "}}"))
else:
dirname = os.path.dirname(install_file)
if not os.path.isdir(dirname):
os.makedirs(dirname)
with open(install_file, 'w') as f:
prt('Writing config file: {}'.format(install_file))
f.write(s)
if not os.path.exists(rc.USER_ACCOUNTS):
with open(rc.USER_ACCOUNTS, 'w') as f:
d = dict(accounts=dict(ambry=dict(name=None, email=None)))
prt('Writing config file: {}'.format(rc.USER_ACCOUNTS))
f.write(yaml.dump(d, indent=4, default_flow_style=False))
# Make the directories.
from ..run import get_runconfig
rc = get_runconfig(install_file)
for name in rc.group('filesystem').keys():
fs = rc.filesystem(name)
try:
dr = fs['dir']
if not os.path.exists(dr):
prt("Making directory: {}".format(dr))
os.makedirs(dr)
except KeyError:
pass
class Test(TestBase):
def setUp(self):
rm_rf('/tmp/server')
self.copy_or_build_bundle()
self.bundle_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)),'testbundle')
self.rc = RunConfig([os.path.join(self.bundle_dir,'client-test-config.yaml'),
os.path.join(self.bundle_dir,'bundle.yaml'),
RunConfig.USER_ACCOUNTS])
self.server_rc = RunConfig([os.path.join(self.bundle_dir,'server-test-config.yaml'),
RunConfig.USER_ACCOUNTS])
self.bundle = Bundle()
self.bundle_dir = self.bundle.bundle_dir
def tearDown(self):
from ambry.library import clear_libraries
# new_library() caches the library, and the test runner uses different threads
# which together with the sqlite driver's inability to use threads, can cause some problems.
clear_libraries()
self.stop_server()
def get_library(self, name = 'default'):
"""Return the same library that the server uses. """
from ambry.library import new_library
config = self.server_rc.library(name)
l = new_library(config, reset = True)
return l
def web_exists(self,s3, rel_path):
import requests
import urlparse
url = s3.path(rel_path, method='HEAD')
parts = list(urlparse.urlparse(url))
qs = urlparse.parse_qs(parts[4])
parts[4] = None
url = urlparse.urlunparse(parts)
r = requests.head(urlparse.urlunparse(parts), params=qs)
self.assertEquals(200, r.status_code)
return True
def test_connection(self):
'''
Test some of the server's test functions
:return:
'''
from ambry.client.rest import RemoteLibrary
self.start_server()
a = RemoteLibrary(self.server_url)
self.assertEquals('foobar', a.get_test_echo('foobar'))
self.assertEquals('foobar', a.put_test_echo('foobar'))
with self.assertRaises(Exception):
a.get_test_exception()
r = a.get_root()
self.assertEquals('devtest.sandiegodata.org', r['upstream']['bucket'])
self.assertEquals('library-test', r['upstream']['prefix'])
def test_resolve(self):
from ambry.client.rest import RemoteLibrary
l = self.get_library()
l.purge()
print l.info
#
# Check that the library can list datasets that are inserted externally
#
r = l.put(self.bundle)
ident = self.bundle.identity
# Local Library
self.assertEquals(ident.vid, l.resolve(ident.vid).vid)
self.assertEquals(ident.vid, l.resolve(ident.vname).vid)
self.assertEquals(ident.vid, l.resolve(ident.cache_key).vid)
self.assertEquals(ident.vid, l.resolve(ident.sname).vid)
for p in self.bundle.partitions:
print '--', p.identity.cache_key
dsid = l.resolve(p.identity.vid)
self.assertEquals(ident.vid, dsid.vid)
self.assertEquals(p.identity.vid, dsid.partition.vid)
dsid = l.resolve(p.identity.cache_key)
if not dsid:
ck = p.identity.cache_key
l.resolve(ck)
self.assertIsNotNone(dsid)
self.assertEquals(ident.vid, dsid.vid)
self.assertEquals(p.identity.vid, dsid.partition.vid)
# Remote Library
self.start_server()
rl = RemoteLibrary(self.server_url)
self.assertEquals(ident.vid, rl.resolve(ident.vid).vid)
self.assertEquals(ident.vid, rl.resolve(ident.vname).vid)
self.assertEquals(ident.vid, rl.resolve(ident.cache_key).vid)
self.assertEquals(ident.vid, (rl.resolve(ident.sname).vid))
for p in self.bundle.partitions:
print '--',p.identity.cache_key
dsid = rl.resolve(p.identity.vid)
self.assertEquals(ident.vid, dsid.vid)
self.assertEquals(p.identity.vid, dsid.partition.vid)
dsid = rl.resolve(p.identity.cache_key)
self.assertEquals(ident.vid, dsid.vid)
self.assertEquals(p.identity.vid, dsid.partition.vid)
print rl.resolve('source/dataset-subset-variation-0.0.1/geot1.geodb')
def test_load(self):
from ambry.run import get_runconfig, RunConfig
from ambry.client.rest import RemoteLibrary
from ambry.cache import new_cache
from ambry.util import md5_for_file
from ambry.identity import Identity
config = self.start_server()
l = new_library(config)
rl = RemoteLibrary(self.server_url)
#
# Check that the library can list datasets that are inserted externally
#
r = l.put(self.bundle)
s = set([i.fqname for i in rl.list().values()])
self.assertIn('source-dataset-subset-variation-0.0.1~diEGPXmDC8001', s)
dsident = rl.dataset('diEGPXmDC8001')
s = set([i.fqname for i in dsident.partitions.values()])
self.assertEquals(11, len(s))
self.assertIn('source-dataset-subset-variation-hdf5-hdf-0.0.1~piEGPXmDC800f001', s)
self.assertIn('source-dataset-subset-variation-tthree-3-0.0.1~piEGPXmDC800d001', s)
self.assertIn('source-dataset-subset-variation-geot1-geo-0.0.1~piEGPXmDC8002001', s)
#
# Upload the dataset to S3, clear the library, then load it back in
#
rc = get_runconfig((os.path.join(self.bundle_dir,'test-run-config.yaml'),RunConfig.USER_ACCOUNTS))
cache = new_cache(rc.filesystem('cached-compressed-s3'))
fn = self.bundle.database.path
identity = self.bundle.identity
relpath = identity.cache_key
r = cache.put(fn, relpath, identity.to_meta(file=fn))
self.assertTrue(bool(cache.has(relpath)))
# clear the library.
l.purge()
self.assertNotIn('source-dataset-subset-variation-0.0.1~diEGPXmDC8001',
set([i.fqname for i in rl.list()]))
# Load from S3, directly in to the local library
identity.add_md5(md5_for_file(fn))
l.load(identity.cache_key, identity.md5)
self.assertIn('source-dataset-subset-variation-0.0.1~diEGPXmDC8001',
set([i.fqname for i in rl.list().values()]))
# Do it one more time, using the remote library
l.purge()
self.assertNotIn('source-dataset-subset-variation-0.0.1~diEGPXmDC8001',
set([i.fqname for i in rl.list().values()]))
rl.load_dataset(identity)
self.assertIn('source-dataset-subset-variation-0.0.1~diEGPXmDC8001',
set([i.fqname for i in rl.list().values()]))
# Check that we can get the record from the library
self.assertEquals(identity.vid, rl.resolve(identity.vid).vid)
self.assertEquals(identity.vid, rl.resolve(identity.vname).vid)
self.assertEquals(identity.vid, rl.resolve(identity.cache_key).vid)
self.assertEquals(identity.vid, rl.resolve(identity.sname).vid)
def test_push(self):
from ambry.identity import Identity
from functools import partial
config = self.server_library_config()
# Create the library so we can get the same remote config
l = new_library(config)
s3 = l.upstream.last_upstream()
print l.info
db = l.database
db.enable_delete = True
try:
db.drop()
db.create()
except:
pass
s3 = l.upstream.last_upstream()
s3.clean()
l.put_bundle(self.bundle)
def push_cb(expect, action, metadata, time):
import json
self.assertIn(action, expect)
identity = Identity.from_dict(json.loads(metadata['identity']))
print action, identity.cache_key
def throw_cb(action, metadata, time):
raise Exception("Push shonld not run")
l.push(cb=partial(push_cb, ('Pushed', 'Pushing')))
# ALl should be pushed, so should not run
l.push(cb=throw_cb)
# Resetting library, but not s3, should already have all
# records
db = l.database
db.enable_delete = True
db.drop()
db.create()
l.put_bundle(self.bundle)
l.push(cb=partial(push_cb, ('Has')))
self.web_exists(s3, self.bundle.identity.cache_key)
for p in self.bundle.partitions:
self.web_exists(s3, p.identity.cache_key)
l.sync_upstream()
def test_caches(self):
'''Basic test of put(), get() and has() for all cache types'''
from functools import partial
from ambry.run import get_runconfig, RunConfig
from ambry.filesystem import Filesystem
from ambry.cache import new_cache
from ambry.util import md5_for_file
from ambry.bundle import DbBundle
#self.start_server() # For the rest-cache
#fn = '/tmp/1mbfile'
#with open(fn, 'wb') as f:
# f.write('.'*(1024))
fn = self.bundle.database.path
# Opening the file might run the database updates in
# database.sqlite._on_connect_update_schema, which can affect the md5.
b = DbBundle(fn)
md5 = md5_for_file(fn)
print "MD5 {} = {}".format(fn, md5)
rc = get_runconfig((os.path.join(self.bundle_dir,'test-run-config.yaml'),
RunConfig.USER_ACCOUNTS))
for i, fsname in enumerate(['fscache', 'limitedcache', 'compressioncache',
'cached-s3', 'cached-compressed-s3']):
config = rc.filesystem(fsname)
cache = new_cache(config)
print '---', fsname, cache
identity = self.bundle.identity
relpath = identity.cache_key
r = cache.put(fn, relpath,identity.to_meta(md5=md5))
r = cache.get(relpath)
if not r.startswith('http'):
self.assertTrue(os.path.exists(r), 'Not a url: {}: {}'.format(r,str(cache)))
self.assertTrue(cache.has(relpath, md5=md5))
cache.remove(relpath, propagate=True)
self.assertFalse(os.path.exists(r), str(cache))
self.assertFalse(cache.has(relpath))
cache = new_cache(rc.filesystem('s3cache-noupstream'))
r = cache.put(fn, 'a')
def test_simple_install(self):
from ambry.client.rest import RemoteLibrary
from ambry.cache.remote import RestReadCache
config = self.start_server()
# Create the library so we can get the same remote config
l = new_library(config)
s3 = l.upstream.last_upstream()
s3.clean()
print "S3 cache ", str(s3)
if not s3.has(self.bundle.identity.cache_key):
print 'Uploading: ', self.bundle.identity.cache_key
s3.put(self.bundle.database.path,self.bundle.identity.cache_key)
self.web_exists(s3,self.bundle.identity.cache_key)
for p in self.bundle.partitions:
if not s3.has(p.identity.cache_key):
print 'Uploading: ', p.identity.cache_key
s3.put(p.database.path,p.identity.cache_key)
self.web_exists(s3,p.identity.cache_key)
else:
print 'Has : ', p.identity.cache_key
#
# Kick the remote library to load the dataset
#
rl = RemoteLibrary(self.server_url)
ident = self.bundle.identity
ident.add_md5(file=self.bundle.database.path)
rl.load_dataset(ident)
self.assertIn('source-dataset-subset-variation-0.0.1~diEGPXmDC8001',
set([i.fqname for i in rl.list().values()]))
return
# Try variants of find.
r = api.find(self.bundle.identity.name)
self.assertEquals(self.bundle.identity.name, r[0].name)
r = api.find(QueryCommand().identity(name = self.bundle.identity.name))
self.assertEquals(self.bundle.identity.name, r[0].name)
for partition in self.bundle.partitions:
r = api.find((QueryCommand().partition(name = partition.identity.name)).to_dict())
self.assertEquals(partition.identity.name, r[0].name)
def test_joint_resolve(self):
'''Test resolving from either a remote or local library, from the local interface '''
from ambry.identity import Identity
from ambry.client.rest import RemoteLibrary
from ambry.library.query import RemoteResolver
self.start_server()
config = self.server_library_config()
# Create the library so we can get the same remote config
l = new_library(config)
s3 = l.upstream.last_upstream()
print l.info
db = l.database
db.enable_delete = True
db.clean()
l.put_bundle(self.bundle)
# This might not do anything if the files already are in s3
def push_cb(action, metadata, time):
print action, metadata['fqname']
l.push(cb=push_cb)
# Check they are on the web
self.web_exists(s3,self.bundle.identity.cache_key)
for p in self.bundle.partitions:
self.web_exists(s3,p.identity.cache_key)
# Check the basic resolvers
ident = self.bundle.identity
self.assertEquals(ident.vid, l.resolve(ident.vid).vid)
rl = RemoteLibrary(self.server_url)
self.assertEquals(ident.vid, rl.resolve(ident.vname).vid)
# That's the basics, now test the primary use case with the remote resolver.
# Remote resolver only
rr = RemoteResolver(local_resolver=None, remote_urls=[self.server_url])
self.assertEquals(ident.vid, rr.resolve_ref_one(ident.vid)[1].vid)
self.assertEquals('http://localhost:7979', rr.resolve_ref_one(ident.vid)[1].url)
# Local Resolver only
rr = RemoteResolver(local_resolver=l.database.resolver, remote_urls=None)
self.assertEquals(ident.vid, rr.resolve_ref_one(ident.vid)[1].vid)
self.assertIsNone(rr.resolve_ref_one(ident.vid)[1].url)
self.stop_server()
# Remote resolver only
rr = RemoteResolver(local_resolver=None, remote_urls=[self.server_url])
self.assertIsNone(rr.resolve_ref_one(ident.vid)[1])
# Combined
rr = RemoteResolver(local_resolver=l.database.resolver, remote_urls=[self.server_url])
self.assertEquals(ident.vid, rr.resolve_ref_one(ident.vid)[1].vid)
self.assertIsNone(rr.resolve_ref_one(ident.vid)[1].url)
def test_files(self):
'''
Test some of the server's file functions
:return:
'''
from ambry.cache import new_cache
from ambry.bundle import DbBundle
fs = new_cache(self.server_rc.filesystem('rrc-fs'))
fs.clean()
remote = new_cache(self.server_rc.filesystem('rrc'))
config = self.start_server()
l = new_library(config)
l.put_bundle(self.bundle)
l.push()
ident = self.bundle.identity
ck = ident.cache_key
# The remote is tied to the REST server, so it has the
# bundle, but the new filesystem cache does not.
self.assertFalse(fs.has(ck))
self.assertTrue(remote.has(ck))
# But if we tie them together, the FS cache should have it
fs.upstream = remote
self.assertTrue(fs.has(ck))
path = fs.get(ck)
b = DbBundle(path)
self.assertEquals(ck, b.identity.cache_key)
# It should have been copied, so the fs should still have
# it after disconnecting.
fs.upstream = None
self.assertTrue(fs.has(ck))
def test_library_get(self):
from ambry.library import new_library
vid = self.bundle.identity.vid
config = self.server_library_config()
# Create the library so we can get the same remote config
server_l = new_library(config)
server_l.put_bundle(self.bundle)
# Local only; no connection to server
local_l = new_library(self.server_rc.library("local"))
# A library that connects to the server
remote_l = new_library(self.server_rc.library("reader"))
remote_l.purge()
self.assertTrue(len(remote_l.list()) == 0)
self.assertEquals(vid, server_l.resolve(vid).vid)
self.assertIsNone(local_l.resolve(vid))
self.assertIsNone(remote_l.resolve(vid))
self.start_server()
self.assertEquals(vid, remote_l.resolve(vid).vid)
b = remote_l.get(vid)
print b.identity.fqname
for p in self.bundle.partitions:
b = remote_l.get(p.identity.vid)
self.assertTrue(p.identity.fqname, b.partition.identity.fqname)
self.assertEqual(1, len(remote_l.list()))
# Test out syncing.
remote_l.sync_remotes()
# =======================
def x_test_remote_library(self):
# This test does not work with the threaded test server.
# It does work with an external server, but you have to delete
# All of the files on the remote library between runs.
#
# First store the files in the local library
#
self.start_server()
self.get_library('server').purge()
self.get_library('clean').purge()
l = self.get_library()
r = l.put(self.bundle)
r = l.get(self.bundle.identity.name)
self.assertEquals(self.bundle.identity.name, r.identity.name)
for partition in self.bundle.partitions:
r = l.put(partition)
# Get the partition with a name
r = l.get(partition.identity.name)
self.assertTrue(bool(r))
self.assertEquals(partition.identity.name, r.partition.identity.name)
self.assertEquals(self.bundle.identity.name, r.identity.name)
# Get the partition with an id
r = l.get(partition.identity.id_)
self.assertTrue(bool(r))
self.assertEquals(partition.identity.name, r.partition.identity.name)
self.assertEquals(self.bundle.identity.name, r.identity.name)
#
# Now start with a different, clean library with the same remote
#
# haven't pushed yet, so should fail.
l2 = self.get_library('clean')
b = l2.get(self.bundle.identity.name)
self.assertTrue(not b)
# Copy all of the newly added files to the server.
l.push()
l2 = self.get_library('clean')
r = l2.get(self.bundle.identity.name)
self.assertTrue(bool(r))
r = l2.get(r.partitions.all[0].identity.id_)
self.assertTrue(bool(r))
self.assertTrue(os.path.exists(r.partition.database.path))
def x_test_remote_library_partitions(self):
self.start_server()
l = self.get_library()
r = l.put(self.bundle)
r = l.get(self.bundle.identity.name)
self.assertEquals(self.bundle.identity.name, r.identity.name)
for partition in self.bundle.partitions:
r = l.put(partition)
# Get the partition with a name
r = l.get(partition.identity.name)
self.assertTrue(r is not False)
self.assertEquals(partition.identity.name, r.partition.identity.name)
self.assertEquals(self.bundle.identity.name, r.identity.name)
# Copy all of the newly added files to the server.
l.push()
l2 = new_library('clean')
l2.purge()
r = l2.get('b1DxuZ001')
self.assertTrue(r is not None and r is not False)
print r
self.assertTrue(r.partition is not None and r.partition is not False)
self.assertEquals(r.partition.identity.id_,'b1DxuZ001' )
self.assertTrue(os.path.exists(r.partition.database.path))
def x_test_test(self):
from ambry.client.siesta import API
self.start_server()
a = API(self.server_url)
# Test echo for get.
r = a.test.echo('foobar').get(bar='baz')
self.assertEquals(200,r.status)
self.assertIsNone(r.exception)
self.assertEquals('foobar',r.object[0])
self.assertEquals('baz',r.object[1]['bar'])
# Test echo for put.
r = a.test.echo().put(['foobar'],bar='baz')
self.assertEquals(200,r.status)
self.assertIsNone(r.exception)
self.assertEquals('foobar',r.object[0][0])
self.assertEquals('baz',r.object[1]['bar'])
with self.assertRaises(Exception):
r = a.test.exception.put('foo')
with self.assertRaises(Exception):
r = a.test.exception.get()
def _test_put_bundle(self, name, remote_config=None):
from ambry.bundle import DbBundle
from ambry.library.query import QueryCommand
rm_rf('/tmp/server')
self.start_server(remote_config)
r = None #Rest(self.server_url, remote_config)
bf = self.bundle.database.path
# With an FLO
response = r.put(open(bf), self.bundle.identity)
self.assertEquals(self.bundle.identity.id_, response.object.get('id'))
# with a path
response = r.put( bf, self.bundle.identity)
self.assertEquals(self.bundle.identity.id_, response.object.get('id'))
for p in self.bundle.partitions.all:
response = r.put( open(p.database.path), p.identity)
self.assertEquals(p.identity.id_, response.object.get('id'))
# Now get the bundles
bundle_file = r.get(self.bundle.identity,'/tmp/foo.db')
bundle = DbBundle(bundle_file)
self.assertIsNot(bundle, None)
self.assertEquals('a1DxuZ',bundle.identity.id_)
# Should show up in datasets list.
o = r.list()
self.assertTrue('a1DxuZ' in o.keys() )
o = r.find(QueryCommand().table(name='tone').partition(any=True))
self.assertTrue( 'b1DxuZ001' in [i.id_ for i in o])
self.assertTrue( 'a1DxuZ' in [i.as_dataset.id_ for i in o])
def x_test_put_bundle_noremote(self):
return self._test_put_bundle('default')
def x_test_put_bundle_remote(self):
return self._test_put_bundle('default-remote', self.rc.accounts)
def x_test_remote_cache(self):
self.start_server(name='default-remote')
def x_test_put_redirect(self):
from ambry.bundle import DbBundle
from ambry.library.query import QueryCommand
from ambry.util import md5_for_file, rm_rf, bundle_file_type
#
# Simple out and retrieve
#
cache = self.bundle.filesystem._get_cache(self.server_rc.filesystem, 'direct-remote')
cache2 = self.bundle.filesystem._get_cache(self.server_rc.filesystem, 'direct-remote-2')
rm_rf(os.path.dirname(cache.cache_dir))
rm_rf(os.path.dirname(cache2.cache_dir))
cache.put( self.bundle.database.path, 'direct')
path = cache2.get('direct')
self.assertEquals('sqlite',bundle_file_type(path))
cache.remove('direct', propagate = True)
#
# Connect through server.
#
rm_rf('/tmp/server')
self.start_server(name='default-remote')
api = None # Rest(self.server_url, self.rc.accounts)
# Upload directly, then download via the cache.
cache.remove(self.bundle.identity.cache_key, propagate = True)
r = api.upload_file(self.bundle.identity, self.bundle.database.path, force=True )
path = cache.get(self.bundle.identity.cache_key)
b = DbBundle(path)
self.assertEquals("source-dataset-subset-variation-ca0d",b.identity.name )
#
# Full service
#
p = self.bundle.partitions.all[0]
cache.remove(self.bundle.identity.cache_key, propagate = True)
cache.remove(p.identity.cache_key, propagate = True)
r = api.put( self.bundle.database.path, self.bundle.identity )
print "Put {}".format(r.object)
r = api.put(p.database.path, p.identity )
print "Put {}".format(r.object)
r = api.put(p.database.path, p.identity )
r = api.get(p.identity,'/tmp/foo.db')
print "Get {}".format(r)
b = DbBundle(r)
self.assertEquals("source-dataset-subset-variation-ca0d",b.identity.name )
def x_test_dump(self):
import time
import logging
l = new_library(self.server_rc.library('default-remote'), reset = True)
l.clean()
self.start_server()
l.run_dumper_thread()
l.run_dumper_thread()
self.assertFalse(l.database.needs_dump())
l.put(self.bundle)
self.assertTrue(l.database.needs_dump())
l.run_dumper_thread()
time.sleep(6)
self.assertFalse(l.database.needs_dump())
l.run_dumper_thread()
l.put(self.bundle)
l.run_dumper_thread()
time.sleep(7)
print l.database.needs_dump()
self.assertFalse(l.database.needs_dump())
self.assertEquals(self.bundle.identity.name, l.get(self.bundle.identity.name).identity.name)
l.clean()
self.assertEqual(None, l.get(self.bundle.identity.name))
l.restore()
self.assertEquals(self.bundle.identity.name, l.get(self.bundle.identity.name).identity.name)
