|
| 1 | +import logging |
| 2 | +import unittest |
| 3 | + |
| 4 | +from cassandra.cluster import Cluster |
| 5 | +from cassandra.connection import _loop |
| 6 | +from cassandra.policies import HostDistance |
| 7 | + |
| 8 | +log = logging.getLogger() |
| 9 | +log.setLevel('DEBUG') |
| 10 | +log.addHandler(logging.StreamHandler()) |
| 11 | + |
| 12 | +existing_keyspaces = None |
| 13 | + |
| 14 | +def setup_package(): |
| 15 | + try: |
| 16 | + cluster = Cluster() |
| 17 | + cluster.set_core_connections_per_host(HostDistance.LOCAL, 1) |
| 18 | + cluster.set_max_connections_per_host(HostDistance.LOCAL, 1) |
| 19 | + session = cluster.connect() |
| 20 | + except Exception, exc: |
| 21 | + log.error('Failed to connect to cluster:') |
| 22 | + log.error(exc) |
| 23 | + raise unittest.SkipTest('Failed to connect to cluster: %r' % exc) |
| 24 | + |
| 25 | + try: |
| 26 | + global existing_keyspaces |
| 27 | + results = session.execute("SELECT keyspace_name FROM system.schema_keyspaces") |
| 28 | + existing_keyspaces = set([row.values()[0] for row in results]) |
| 29 | + finally: |
| 30 | + try: |
| 31 | + cluster.shutdown() |
| 32 | + except Exception, exc: |
| 33 | + log.error('Failed to connect to cluster:') |
| 34 | + log.error(exc) |
| 35 | + raise unittest.SkipTest('Failed to connect to cluster: %r' % exc) |
| 36 | + |
| 37 | + |
| 38 | +def teardown_package(): |
| 39 | + try: |
| 40 | + cluster = Cluster() |
| 41 | + cluster.set_core_connections_per_host(HostDistance.LOCAL, 1) |
| 42 | + cluster.set_max_connections_per_host(HostDistance.LOCAL, 1) |
| 43 | + session = cluster.connect() |
| 44 | + except Exception, exc: |
| 45 | + log.error('Failed to connect to cluster:') |
| 46 | + log.error(exc) |
| 47 | + raise unittest.SkipTest('Failed to connect to cluster: %r' % exc) |
| 48 | + |
| 49 | + try: |
| 50 | + if existing_keyspaces: |
| 51 | + results = session.execute("SELECT keyspace_name FROM system.schema_keyspaces") |
| 52 | + current_keyspaces = set([row.values()[0] for row in results]) |
| 53 | + for keyspace in current_keyspaces - existing_keyspaces: |
| 54 | + session.execute("DROP KEYSPACE %s" % (keyspace,)) |
| 55 | + |
| 56 | + finally: |
| 57 | + try: |
| 58 | + cluster.shutdown() |
| 59 | + _loop.stop() |
| 60 | + except Exception, exc: |
| 61 | + log.error('Failed to connect to cluster:') |
| 62 | + log.error(exc) |
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