def setUp(self):
# Create a new oplog progress file
try:
os.unlink("oplog.timestamp")
except OSError:
pass
open("oplog.timestamp", "w").close()
# Start a replica set
self.repl_set = ReplicaSet().start()
# Connection to the replica set as a whole
self.main_conn = self.repl_set.client()
# Connection to the primary specifically
self.primary_conn = self.repl_set.primary.client()
# Connection to the secondary specifically
self.secondary_conn = self.repl_set.secondary.client(
read_preference=ReadPreference.SECONDARY_PREFERRED)
# Wipe any test data
self.main_conn.drop_database("test")
# Oplog thread
doc_manager = DocManager()
oplog_progress = LockingDict()
dest_mapping_stru = DestMapping(["test.mc"], [], {})
self.opman = OplogThread(primary_client=self.main_conn,
doc_managers=(doc_manager, ),
oplog_progress_dict=oplog_progress,
dest_mapping_stru=dest_mapping_stru,
ns_set=["test.mc"])
def test_skipped_oplog_entry_updates_checkpoint(self):
repl_set = ReplicaSetSingle().start()
conn = repl_set.client()
opman = OplogThread(
primary_client=conn,
doc_managers=(DocManager(),),
oplog_progress_dict=LockingDict(),
dest_mapping_stru=DestMapping(["test.test"], [], {}),
ns_set=set(["test.test"])
)
opman.start()
# Insert a document into a ns_set collection
conn["test"]["test"].insert_one({"test": 1})
last_ts = opman.get_last_oplog_timestamp()
assert_soon(lambda: last_ts == opman.checkpoint,
"OplogThread never updated checkpoint to non-skipped "
"entry.")
self.assertEqual(len(opman.doc_managers[0]._search()), 1)
# Make sure that the oplog thread updates its checkpoint on every
# oplog entry.
conn["test"]["ignored"].insert_one({"test": 1})
last_ts = opman.get_last_oplog_timestamp()
assert_soon(lambda: last_ts == opman.checkpoint,
"OplogThread never updated checkpoint to skipped entry.")
opman.join()
conn.close()
repl_set.stop()
def setUp(self):
self.repl_set = ReplicaSetSingle().start()
self.primary_conn = self.repl_set.client()
self.oplog_coll = self.primary_conn.local['oplog.rs']
self.dest_mapping_stru = DestMapping([], [], {})
self.opman = OplogThread(
primary_client=self.primary_conn,
doc_managers=(DocManager(),),
oplog_progress_dict=LockingDict(),
dest_mapping_stru=self.dest_mapping_stru,
)
def test_dump_collection(self):
"""Test the dump_collection method
Cases:
1. empty oplog
2. non-empty oplog
3. non-empty oplog, specified a namespace-set, none of the oplog
entries are for collections in the namespace-set
"""
# Test with empty oplog
self.opman.oplog = self.primary_conn["test"]["emptycollection"]
last_ts = self.opman.dump_collection()
self.assertEqual(last_ts, None)
# Test with non-empty oplog
self.opman.oplog = self.primary_conn["local"]["oplog.rs"]
for i in range(1000):
self.primary_conn["test"]["test"].insert_one({
"i": i + 500
})
last_ts = self.opman.get_last_oplog_timestamp()
self.assertEqual(last_ts, self.opman.dump_collection())
self.assertEqual(len(self.opman.doc_managers[0]._search()), 1000)
# Case 3
# 1MB oplog so that we can rollover quickly
repl_set = ReplicaSetSingle(oplogSize=1).start()
conn = repl_set.client()
dest_mapping_stru = DestMapping(["test.test"], [], {})
opman = OplogThread(
primary_client=conn,
doc_managers=(DocManager(),),
oplog_progress_dict=LockingDict(),
dest_mapping_stru=dest_mapping_stru,
ns_set=set(["test.test"])
)
# Insert a document into a ns_set collection
conn["test"]["test"].insert_one({"test": 1})
# Cause the oplog to rollover on a non-ns_set collection
while conn["local"]["oplog.rs"].find_one({"ns": "test.test"}):
conn["test"]["ignored"].insert_many(
[{"test": "1" * 1024} for _ in range(1024)])
last_ts = opman.get_last_oplog_timestamp()
self.assertEqual(last_ts, opman.dump_collection())
self.assertEqual(len(opman.doc_managers[0]._search()), 1)
conn.close()
repl_set.stop()
def test_commands(self):
# Also test with namespace mapping.
# Note that mongo-connector does not currently support commands after
# renaming a database.
dest_mapping_stru = DestMapping(
['test.test', 'test.test2', 'test.drop'], [], {
'test.test': 'test.othertest',
'test.drop': 'dropped.collection'
})
self.choosy_docman.command_helper = CommandHelper(dest_mapping_stru)
try:
self.choosy_docman.handle_command({'create': 'test'}, *TESTARGS)
self.assertIn('othertest',
self.mongo_conn['test'].collection_names())
self.choosy_docman.handle_command(
{
'renameCollection': 'test.test',
'to': 'test.test2'
}, 'admin.$cmd', 1)
self.assertNotIn('othertest',
self.mongo_conn['test'].collection_names())
self.assertIn('test2', self.mongo_conn['test'].collection_names())
self.choosy_docman.handle_command({'drop': 'test2'}, 'test.$cmd',
1)
self.assertNotIn('test2',
self.mongo_conn['test'].collection_names())
# WiredTiger drops the database when the last collection is
# dropped.
if 'test' not in self.mongo_conn.database_names():
self.choosy_docman.handle_command({'create': 'test'},
*TESTARGS)
self.assertIn('test', self.mongo_conn.database_names())
self.choosy_docman.handle_command({'dropDatabase': 1}, 'test.$cmd',
1)
self.assertNotIn('test', self.mongo_conn.database_names())
# Briefly test mapped database name with dropDatabase command.
self.mongo_conn.dropped.collection.insert_one({'a': 1})
self.assertIn('dropped', self.mongo_conn.database_names())
self.choosy_docman.handle_command({'dropDatabase': 1}, 'test.$cmd',
1)
self.assertNotIn('dropped', self.mongo_conn.database_names())
finally:
self.mongo_conn.drop_database('test')
def initOplogThread(self,
namespace_set=[],
ex_namespace_set=[],
dest_mapping={}):
self.docman = CommandLoggerDocManager()
# Replace the origin dest_mapping
self.dest_mapping_stru = DestMapping(namespace_set, ex_namespace_set,
dest_mapping)
self.docman.command_helper = CommandHelper(self.dest_mapping_stru)
self.opman = OplogThread(primary_client=self.primary_conn,
doc_managers=(self.docman, ),
oplog_progress_dict=self.oplog_progress,
dest_mapping_stru=self.dest_mapping_stru,
ns_set=namespace_set,
ex_ns_set=ex_namespace_set,
collection_dump=False)
self.opman.start()
def test_command_helper(self):
mapping = {'a.x': 'b.x', 'a.y': 'c.y'}
# Replace the origin dest_mapping
dest_mapping_stru = DestMapping(list(mapping) + ['a.z'], [], mapping)
helper = CommandHelper(dest_mapping_stru)
self.assertEqual(set(helper.map_db('a')), set(['a', 'b', 'c']))
self.assertEqual(helper.map_db('d'), [])
self.assertEqual(helper.map_namespace('a.x'), 'b.x')
self.assertEqual(helper.map_namespace('a.z'), 'a.z')
self.assertEqual(helper.map_namespace('d.x'), None)
self.assertEqual(helper.map_collection('a', 'x'), ('b', 'x'))
self.assertEqual(helper.map_collection('a', 'z'), ('a', 'z'))
self.assertEqual(helper.map_collection('d', 'x'), (None, None))
def reset_opman(self, include_ns=None, exclude_ns=None, dest_mapping=None):
if include_ns is None:
include_ns = []
if exclude_ns is None:
exclude_ns = []
if dest_mapping is None:
dest_mapping = {}
# include_ns must not exist together with exclude_ns
# dest_mapping must exist together with include_ns
# those checks have been tested in test_config.py so we skip that here.
self.dest_mapping_stru = DestMapping(include_ns, exclude_ns,
dest_mapping)
self.opman = OplogThread(primary_client=self.primary_conn,
doc_managers=(DocManager(), ),
oplog_progress_dict=LockingDict(),
dest_mapping_stru=self.dest_mapping_stru,
ns_set=include_ns,
ex_ns_set=exclude_ns)
def setUp(self):
self.dest_mapping_stru = DestMapping([], [], {})
self.opman = OplogThread(primary_client=self.primary_conn,
doc_managers=(DocManager(), ),
oplog_progress_dict=LockingDict(),
dest_mapping_stru=self.dest_mapping_stru)
def __init__(self, mongo_address, doc_managers=None, **kwargs):
super(Connector, self).__init__()
# can_run is set to false when we join the thread
self.can_run = True
# The signal that caused the connector to stop or None
self.signal = None
# main address - either mongos for sharded setups or a primary otherwise
self.address = mongo_address
# connection to the main address
self.main_conn = None
# List of DocManager instances
if doc_managers:
self.doc_managers = doc_managers
else:
LOG.warning('No doc managers specified, using simulator.')
self.doc_managers = (simulator.DocManager(),)
# Password for authentication
self.auth_key = kwargs.pop('auth_key', None)
# Username for authentication
self.auth_username = kwargs.pop('auth_username', None)
# The name of the file that stores the progress of the OplogThreads
self.oplog_checkpoint = kwargs.pop('oplog_checkpoint',
'oplog.timestamp')
# The set of OplogThreads created
self.shard_set = {}
# Dict of OplogThread/timestamp pairs to record progress
self.oplog_progress = LockingDict()
# Timezone awareness
self.tz_aware = kwargs.get('tz_aware', False)
# SSL keyword arguments to MongoClient.
ssl_certfile = kwargs.pop('ssl_certfile', None)
ssl_ca_certs = kwargs.pop('ssl_ca_certs', None)
ssl_keyfile = kwargs.pop('ssl_keyfile', None)
ssl_cert_reqs = kwargs.pop('ssl_cert_reqs', None)
self.ssl_kwargs = {}
if ssl_certfile:
self.ssl_kwargs['ssl_certfile'] = ssl_certfile
if ssl_ca_certs:
self.ssl_kwargs['ssl_ca_certs'] = ssl_ca_certs
if ssl_keyfile:
self.ssl_kwargs['ssl_keyfile'] = ssl_keyfile
if ssl_cert_reqs:
self.ssl_kwargs['ssl_cert_reqs'] = ssl_cert_reqs
# Save the rest of kwargs.
self.kwargs = kwargs
# Replace the origin dest_mapping
self.dest_mapping = DestMapping(kwargs.get('ns_set', []),
kwargs.get('ex_ns_set', []),
kwargs.get('dest_mapping', {}))
# Initialize and set the command helper
command_helper = CommandHelper(self.dest_mapping)
for dm in self.doc_managers:
dm.command_helper = command_helper
if self.oplog_checkpoint is not None:
if not os.path.exists(self.oplog_checkpoint):
info_str = ("MongoConnector: Can't find %s, "
"attempting to create an empty progress log" %
self.oplog_checkpoint)
LOG.warning(info_str)
try:
# Create oplog progress file
open(self.oplog_checkpoint, "w").close()
except IOError as e:
LOG.critical("MongoConnector: Could not "
"create a progress log: %s" %
str(e))
sys.exit(2)
else:
if (not os.access(self.oplog_checkpoint, os.W_OK)
and not os.access(self.oplog_checkpoint, os.R_OK)):
LOG.critical("Invalid permissions on %s! Exiting" %
(self.oplog_checkpoint))
sys.exit(2)
def set_up_sharded_cluster(self, sharded_cluster_type):
""" Initialize the cluster:
Clean out the databases used by the tests
Make connections to mongos, mongods
Create and shard test collections
Create OplogThreads
"""
self.cluster = sharded_cluster_type().start()
# Connection to mongos
self.mongos_conn = self.cluster.client()
# Connections to the shards
self.shard1_conn = self.cluster.shards[0].client()
self.shard2_conn = self.cluster.shards[1].client()
# Wipe any test data
self.mongos_conn["test"]["mcsharded"].drop()
# Disable the balancer before creating the collection
self.mongos_conn.config.settings.update_one(
{"_id": "balancer"},
{"$set": {"stopped": True}},
upsert=True
)
# Create and shard the collection test.mcsharded on the "i" field
self.mongos_conn["test"]["mcsharded"].create_index("i")
self.mongos_conn.admin.command("enableSharding", "test")
self.mongos_conn.admin.command("shardCollection",
"test.mcsharded",
key={"i": 1})
# Pre-split the collection so that:
# i < 1000 lives on shard1
# i >= 1000 lives on shard2
self.mongos_conn.admin.command(bson.SON([
("split", "test.mcsharded"),
("middle", {"i": 1000})
]))
# Move chunks to their proper places
try:
self.mongos_conn["admin"].command(
"moveChunk",
"test.mcsharded",
find={"i": 1},
to='demo-set-0'
)
except pymongo.errors.OperationFailure:
pass
try:
self.mongos_conn["admin"].command(
"moveChunk",
"test.mcsharded",
find={"i": 1000},
to='demo-set-1'
)
except pymongo.errors.OperationFailure:
pass
# Make sure chunks are distributed correctly
self.mongos_conn["test"]["mcsharded"].insert_one({"i": 1})
self.mongos_conn["test"]["mcsharded"].insert_one({"i": 1000})
def chunks_moved():
doc1 = self.shard1_conn.test.mcsharded.find_one()
doc2 = self.shard2_conn.test.mcsharded.find_one()
if None in (doc1, doc2):
return False
return doc1['i'] == 1 and doc2['i'] == 1000
assert_soon(chunks_moved, max_tries=120,
message='chunks not moved? doc1=%r, doc2=%r' % (
self.shard1_conn.test.mcsharded.find_one(),
self.shard2_conn.test.mcsharded.find_one()))
self.mongos_conn.test.mcsharded.delete_many({})
# create a new oplog progress file
try:
os.unlink("oplog.timestamp")
except OSError:
pass
open("oplog.timestamp", "w").close()
# Oplog threads (oplog manager) for each shard
doc_manager = DocManager()
oplog_progress = LockingDict()
dest_mapping_stru = DestMapping(["test.mcsharded", "test.mcunsharded"], [], {})
self.opman1 = OplogThread(
primary_client=self.shard1_conn,
doc_managers=(doc_manager,),
oplog_progress_dict=oplog_progress,
dest_mapping_stru=dest_mapping_stru,
ns_set=["test.mcsharded", "test.mcunsharded"],
mongos_client=self.mongos_conn
)
self.opman2 = OplogThread(
primary_client=self.shard2_conn,
doc_managers=(doc_manager,),
oplog_progress_dict=oplog_progress,
dest_mapping_stru=dest_mapping_stru,
ns_set=["test.mcsharded", "test.mcunsharded"],
mongos_client=self.mongos_conn
)
def test_namespace_mapping(self):
"""Test mapping of namespaces
Cases:
upsert/delete/update of documents:
1. in namespace set, mapping provided
2. outside of namespace set, mapping provided
"""
source_ns = ["test.test1", "test.test2"]
phony_ns = ["test.phony1", "test.phony2"]
dest_mapping = {"test.test1": "test.test1_dest",
"test.test2": "test.test2_dest"}
dest_mapping_stru = DestMapping(source_ns, [], dest_mapping)
self.opman.dest_mapping = dest_mapping
self.opman.dest_mapping_stru = dest_mapping_stru
self.opman.namespace_set = source_ns
docman = self.opman.doc_managers[0]
# start replicating
self.opman.start()
base_doc = {"_id": 1, "name": "superman"}
# doc in namespace set
for ns in source_ns:
db, coll = ns.split(".", 1)
# test insert
self.primary_conn[db][coll].insert_one(base_doc)
assert_soon(lambda: len(docman._search()) == 1)
self.assertEqual(docman._search()[0]["ns"], dest_mapping[ns])
bad = [d for d in docman._search() if d["ns"] == ns]
self.assertEqual(len(bad), 0)
# test update
self.primary_conn[db][coll].update_one(
{"_id": 1},
{"$set": {"weakness": "kryptonite"}}
)
def update_complete():
docs = docman._search()
for d in docs:
if d.get("weakness") == "kryptonite":
return True
return False
assert_soon(update_complete)
self.assertEqual(docman._search()[0]["ns"], dest_mapping[ns])
bad = [d for d in docman._search() if d["ns"] == ns]
self.assertEqual(len(bad), 0)
# test delete
self.primary_conn[db][coll].delete_one({"_id": 1})
assert_soon(lambda: len(docman._search()) == 0)
bad = [d for d in docman._search()
if d["ns"] == dest_mapping[ns]]
self.assertEqual(len(bad), 0)
# cleanup
self.primary_conn[db][coll].delete_many({})
self.opman.doc_managers[0]._delete()
# doc not in namespace set
for ns in phony_ns:
db, coll = ns.split(".", 1)
# test insert
self.primary_conn[db][coll].insert_one(base_doc)
time.sleep(1)
self.assertEqual(len(docman._search()), 0)
# test update
self.primary_conn[db][coll].update_one(
{"_id": 1},
{"$set": {"weakness": "kryptonite"}}
)
time.sleep(1)
self.assertEqual(len(docman._search()), 0)
def setup_mapping(self, include, exclude, mapping):
self.mapping = DestMapping(include, exclude, mapping)
class TestDestMapping(unittest.TestCase):
def setup_mapping(self, include, exclude, mapping):
self.mapping = DestMapping(include, exclude, mapping)
def test_default(self):
# By default, all namespaces are kept without renaming
self.setup_mapping([], [], {})
self.assertEqual(self.mapping.get("db1.col1", "db1.col1"), "db1.col1")
self.assertFalse(self.mapping.get_key("db1.col1"))
self.assertListEqual(self.mapping.map_db("db1"), ["db1"])
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
def test_only_include(self):
# Test that only provides include namespaces
# Test plain case
self.setup_mapping(["db1.col1", "db1.col2", "db1.col3"], [], {})
self.assertEqual(self.mapping.get("db1.col1"), "db1.col1")
self.assertEqual(self.mapping.get("db1.col2"), "db1.col2")
self.assertEqual(self.mapping.get("db1.col3"), "db1.col3")
self.assertEqual(self.mapping.get_key("db1.col1"), "db1.col1")
self.assertListEqual(self.mapping.map_db("db1"), ["db1"])
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
self.assertIsNone(self.mapping.map_namespace("db1.col4"))
# Test wildcard case
self.setup_mapping(["db1.*"], [], {})
self.assertFalse(self.mapping.get_key("db1.col1"))
self.assertEqual(self.mapping.get("db1.col1"), "db1.col1")
self.assertEqual(self.mapping.get_key("db1.col1"), "db1.col1")
self.assertListEqual(self.mapping.map_db("db1"), ["db1"])
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
self.assertIsNone(self.mapping.map_namespace("db2.col4"))
def test_only_exclude(self):
# Test that only provides exclude namespaces
# Test plain case
self.setup_mapping([], ["db1.col4"], {})
self.assertEqual(self.mapping.get("db1.col1", "db1.col1"), "db1.col1")
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
self.assertIsNone(self.mapping.map_namespace("db1.col4"))
# Test wildcard case
self.setup_mapping([], ["db2.*"], {})
self.assertEqual(self.mapping.get("db1.col1", "db1.col1"), "db1.col1")
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
self.assertIsNone(self.mapping.map_namespace("db2.col"))
def test_mapping(self):
# mulitple dbs cannot be mapped to the same db
mapping = {"db1.col1": "newdb.newcol", "db2.col1": "newdb.newcol"}
self.assertRaises(errors.InvalidConfiguration, self.setup_mapping,
["db1.col1", "db2.col1"], [], mapping)
# Test mapping
mapping = {
"db1.*": "newdb1_*.newcol",
"db2.a": "newdb2_a.x",
"db2.b": "b_newdb2.x"
}
self.setup_mapping(["db1.*", "db2.a", "db2.b"], [], mapping)
self.assertDictEqual(self.mapping.plain, {
"db2.a": "newdb2_a.x",
"db2.b": "b_newdb2.x"
})
self.assertDictEqual(self.mapping.plain_db,
{"db2": set(["newdb2_a", "b_newdb2"])})
self.assertDictEqual(self.mapping.reverse_plain, {
"newdb2_a.x": "db2.a",
"b_newdb2.x": "db2.b"
})
self.assertDictEqual(self.mapping.wildcard,
{"db1.*": "newdb1_*.newcol"})
self.assertEqual(self.mapping.get_key("newdb2_a.x"), "db2.a")
self.assertSetEqual(set(self.mapping.map_db("db2")),
set(["newdb2_a", "b_newdb2"]))
# when we get matched maps, plain should contain those ones afterwards
self.assertEqual(self.mapping.get("db1.col1"), "newdb1_col1.newcol")
self.assertEqual(self.mapping.map_namespace("db1.col2"),
"newdb1_col2.newcol")
self.assertDictEqual(
self.mapping.plain, {
"db2.a": "newdb2_a.x",
"db2.b": "b_newdb2.x",
"db1.col1": "newdb1_col1.newcol",
"db1.col2": "newdb1_col2.newcol"
})
self.assertDictEqual(
self.mapping.plain_db, {
"db2": set(["newdb2_a", "b_newdb2"]),
"db1": set(["newdb1_col1", "newdb1_col2"])
})
self.assertDictEqual(
self.mapping.reverse_plain, {
"newdb2_a.x": "db2.a",
"b_newdb2.x": "db2.b",
"newdb1_col1.newcol": "db1.col1",
"newdb1_col2.newcol": "db1.col2"
})
def setup_mapping(self, include, exclude, mapping):
self.mapping = DestMapping(include, exclude, mapping)
class TestDestMapping(unittest.TestCase):
def setup_mapping(self, include, exclude, mapping):
self.mapping = DestMapping(include, exclude, mapping)
def test_default(self):
# By default, all namespaces are kept without renaming
self.setup_mapping([], [], {})
self.assertEqual(self.mapping.get("db1.col1", "db1.col1"), "db1.col1")
self.assertFalse(self.mapping.get_key("db1.col1"))
self.assertListEqual(self.mapping.map_db("db1"), ["db1"])
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
def test_only_include(self):
# Test that only provides include namespaces
# Test plain case
self.setup_mapping(["db1.col1", "db1.col2", "db1.col3"], [], {})
self.assertEqual(self.mapping.get("db1.col1"), "db1.col1")
self.assertEqual(self.mapping.get("db1.col2"), "db1.col2")
self.assertEqual(self.mapping.get("db1.col3"), "db1.col3")
self.assertEqual(self.mapping.get_key("db1.col1"), "db1.col1")
self.assertListEqual(self.mapping.map_db("db1"), ["db1"])
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
self.assertIsNone(self.mapping.map_namespace("db1.col4"))
# Test wildcard case
self.setup_mapping(["db1.*"], [], {})
self.assertFalse(self.mapping.get_key("db1.col1"))
self.assertEqual(self.mapping.get("db1.col1"), "db1.col1")
self.assertEqual(self.mapping.get_key("db1.col1"), "db1.col1")
self.assertListEqual(self.mapping.map_db("db1"), ["db1"])
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
self.assertIsNone(self.mapping.map_namespace("db2.col4"))
def test_only_exclude(self):
# Test that only provides exclude namespaces
# Test plain case
self.setup_mapping([], ["db1.col4"], {})
self.assertEqual(self.mapping.get("db1.col1", "db1.col1"), "db1.col1")
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
self.assertIsNone(self.mapping.map_namespace("db1.col4"))
# Test wildcard case
self.setup_mapping([], ["db2.*"], {})
self.assertEqual(self.mapping.get("db1.col1", "db1.col1"), "db1.col1")
self.assertEqual(self.mapping.map_namespace("db1.col1"), "db1.col1")
self.assertIsNone(self.mapping.map_namespace("db2.col"))
def test_mapping(self):
# mulitple dbs cannot be mapped to the same db
mapping = {
"db1.col1": "newdb.newcol",
"db2.col1": "newdb.newcol"
}
self.assertRaises(errors.InvalidConfiguration, self.setup_mapping,
["db1.col1", "db2.col1"], [], mapping)
# Test mapping
mapping = {
"db1.*": "newdb1_*.newcol",
"db2.a": "newdb2_a.x",
"db2.b": "b_newdb2.x"
}
self.setup_mapping(["db1.*", "db2.a", "db2.b"], [], mapping)
self.assertDictEqual(self.mapping.plain,
{"db2.a": "newdb2_a.x", "db2.b": "b_newdb2.x"})
self.assertDictEqual(self.mapping.plain_db,
{"db2": set(["newdb2_a", "b_newdb2"])})
self.assertDictEqual(self.mapping.reverse_plain,
{"newdb2_a.x": "db2.a", "b_newdb2.x": "db2.b"})
self.assertDictEqual(self.mapping.wildcard,
{"db1.*": "newdb1_*.newcol"})
self.assertEqual(self.mapping.get_key("newdb2_a.x"), "db2.a")
self.assertSetEqual(set(self.mapping.map_db("db2")),
set(["newdb2_a", "b_newdb2"]))
# when we get matched maps, plain should contain those ones afterwards
self.assertEqual(self.mapping.get("db1.col1"), "newdb1_col1.newcol")
self.assertEqual(self.mapping.map_namespace("db1.col2"),
"newdb1_col2.newcol")
self.assertDictEqual(self.mapping.plain,
{"db2.a": "newdb2_a.x",
"db2.b": "b_newdb2.x",
"db1.col1": "newdb1_col1.newcol",
"db1.col2": "newdb1_col2.newcol"})
self.assertDictEqual(self.mapping.plain_db,
{"db2": set(["newdb2_a", "b_newdb2"]),
"db1": set(["newdb1_col1", "newdb1_col2"])})
self.assertDictEqual(self.mapping.reverse_plain,
{"newdb2_a.x": "db2.a",
"b_newdb2.x": "db2.b",
"newdb1_col1.newcol": "db1.col1",
"newdb1_col2.newcol": "db1.col2"})
