/usr/lib/python2.7/dist-packages/txdav/base/datastore/test/test_subpostgres.py is in calendarserver 5.2+dfsg-1.
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# Copyright (c) 2010-2014 Apple Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
"""
Tests for txdav.base.datastore.subpostgres.
"""
from twisted.trial.unittest import TestCase
# NOTE: This import will fail eventually when this functionality is added to
# MemoryReactor:
from twext.python.filepath import CachingFilePath
from txdav.base.datastore.subpostgres import PostgresService
from twisted.internet.defer import inlineCallbacks, Deferred
from twisted.application.service import Service
class SubprocessStartup(TestCase):
"""
Tests for starting and stopping the subprocess.
"""
@inlineCallbacks
def test_startService_Unix(self):
"""
Assuming a properly configured environment ($PATH points at an 'initdb'
and 'postgres', $PYTHONPATH includes pgdb), starting a
L{PostgresService} will start the service passed to it, after executing
the schema.
"""
test = self
class SimpleService1(Service):
instances = []
ready = Deferred()
def __init__(self, connectionFactory, storageService):
self.connection = connectionFactory()
test.addCleanup(self.connection.close)
self.instances.append(self)
def startService(self):
cursor = self.connection.cursor()
try:
cursor.execute(
"insert into test_dummy_table values ('dummy')"
)
except:
self.ready.errback()
else:
self.ready.callback(None)
finally:
cursor.close()
svc = PostgresService(
CachingFilePath("postgres_1.pgdb"),
SimpleService1,
"create table TEST_DUMMY_TABLE (stub varchar)",
databaseName="dummy_db",
testMode=True
)
svc.startService()
self.addCleanup(svc.stopService)
yield SimpleService1.ready
connection = SimpleService1.instances[0].connection
cursor = connection.cursor()
cursor.execute("select * from test_dummy_table")
values = cursor.fetchall()
self.assertEquals(values, [["dummy"]])
@inlineCallbacks
def test_startService_Socket(self):
"""
Assuming a properly configured environment ($PATH points at an 'initdb'
and 'postgres', $PYTHONPATH includes pgdb), starting a
L{PostgresService} will start the service passed to it, after executing
the schema.
"""
test = self
class SimpleService2(Service):
instances = []
ready = Deferred()
def __init__(self, connectionFactory, storageService):
self.connection = connectionFactory()
test.addCleanup(self.connection.close)
self.instances.append(self)
def startService(self):
cursor = self.connection.cursor()
try:
cursor.execute(
"insert into test_dummy_table values ('dummy')"
)
except:
self.ready.errback()
else:
self.ready.callback(None)
finally:
cursor.close()
svc = PostgresService(
CachingFilePath("postgres_2.pgdb"),
SimpleService2,
"create table TEST_DUMMY_TABLE (stub varchar)",
databaseName="dummy_db",
listenAddresses=['127.0.0.1', ],
testMode=True
)
svc.startService()
self.addCleanup(svc.stopService)
yield SimpleService2.ready
connection = SimpleService2.instances[0].connection
cursor = connection.cursor()
cursor.execute("select * from test_dummy_table")
values = cursor.fetchall()
self.assertEquals(values, [["dummy"]])
@inlineCallbacks
def test_startService_withDumpFile(self):
"""
Assuming a properly configured environment ($PATH points at an 'initdb'
and 'postgres', $PYTHONPATH includes pgdb), starting a
L{PostgresService} will start the service passed to it, after importing
an existing dump file.
"""
test = self
class SimpleService1(Service):
instances = []
ready = Deferred()
def __init__(self, connectionFactory, storageService):
self.connection = connectionFactory()
test.addCleanup(self.connection.close)
self.instances.append(self)
def startService(self):
cursor = self.connection.cursor()
try:
cursor.execute(
"insert into import_test_table values ('value2')"
)
except:
self.ready.errback()
else:
self.ready.callback(None)
finally:
cursor.close()
# The SQL in importFile.sql will get executed, including the insertion of "value1"
importFileName = CachingFilePath(__file__).parent().child("importFile.sql").path
svc = PostgresService(
CachingFilePath("postgres_3.pgdb"),
SimpleService1,
"",
databaseName="dummy_db",
testMode=True,
importFileName=importFileName
)
svc.startService()
self.addCleanup(svc.stopService)
yield SimpleService1.ready
connection = SimpleService1.instances[0].connection
cursor = connection.cursor()
cursor.execute("select * from import_test_table")
values = cursor.fetchall()
self.assertEquals(values, [["value1"], ["value2"]])
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