def test_startDatabaseRunning(self):
""" Ensure that if we can connect to postgres we don't spawn pg_ctl """
self.cursorHistory = []
class DummyCursor(object):
def __init__(self, historyHolder):
self.historyHolder = historyHolder
def execute(self, *args):
self.historyHolder.cursorHistory.append(args)
def close(self):
pass
class DummyConnection(object):
def __init__(self, historyHolder):
self.historyHolder = historyHolder
def cursor(self):
return DummyCursor(self.historyHolder)
def commit(self):
pass
def close(self):
pass
def produceConnection(*args):
return DummyConnection(self)
dummyReactor = DummyProcessReactor()
svc = PostgresService(
FilePath("postgres_4.pgdb"),
lambda x : Service(),
"",
reactor=dummyReactor,
)
svc.produceConnection = produceConnection
svc.env = {}
svc.startDatabase()
self.assertEquals(
self.cursorHistory,
[
('commit',),
("create database subpostgres with encoding 'UTF8'",),
('',)
]
)
self.assertEquals(dummyReactor.spawnedProcesses, [])
def test_startDatabaseNotRunning(self):
""" Ensure that if we can't connect to postgres we spawn pg_ctl """
def produceConnection(*args):
raise pgdb.DatabaseError
dummyReactor = DummyProcessReactor()
svc = PostgresService(
FilePath("postgres_4.pgdb"),
lambda x : Service(),
"",
reactor=dummyReactor,
)
svc.produceConnection = produceConnection
svc.env = {}
svc.startDatabase()
self.assertEquals(len(dummyReactor.spawnedProcesses), 1)
self.assertTrue(dummyReactor.spawnedProcesses[0]._executable.endswith("pg_ctl"))