76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
import unittest
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from cassandra.cluster import Cluster
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class ClusterTests(unittest.TestCase):
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def test_basic(self):
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cluster = Cluster()
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session = cluster.connect()
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result = session.execute(
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"""
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CREATE KEYSPACE clustertests
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WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}
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""")
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self.assertEquals(None, result)
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result = session.execute(
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"""
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CREATE TABLE clustertests.cf0 (
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a text,
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b text,
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c text,
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PRIMARY KEY (a, b)
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)
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""")
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self.assertEquals(None, result)
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result = session.execute(
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"""
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INSERT INTO clustertests.cf0 (a, b, c) VALUES ('a', 'b', 'c')
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""")
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self.assertEquals(None, result)
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result = session.execute("SELECT * FROM clustertests.cf0")
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self.assertEquals([('a', 'b', 'c')], result)
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cluster.shutdown()
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def test_submit_schema_refresh(self):
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cluster = Cluster()
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cluster.connect()
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other_cluster = Cluster()
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session = other_cluster.connect()
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session.execute(
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"""
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CREATE KEYSPACE newkeyspace
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WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}
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""")
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self.assertNotIn("newkeyspace", cluster.metadata.keyspaces)
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future = cluster.submit_schema_refresh()
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future.result()
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self.assertIn("newkeyspace", cluster.metadata.keyspaces)
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def test_on_down_and_up(self):
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cluster = Cluster()
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session = cluster.connect()
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host = cluster.metadata.all_hosts()[0]
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host.monitor.signal_connection_failure(None)
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cluster.on_down(host)
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self.assertNotEqual(None, cluster.control_connection._reconnection_handler)
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self.assertNotIn(host, session._pools)
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host_reconnector = host._reconnection_handler
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self.assertNotEqual(None, host_reconnector)
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host.monitor.is_up = True
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cluster.on_up(host)
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self.assertEqual(None, host._reconnection_handler)
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self.assertTrue(host_reconnector._cancelled)
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self.assertIn(host, session._pools)
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