Commit 45596b6b authored by Jelte Jansen's avatar Jelte Jansen

[2379] Add reference count checks to tests

parent 3fb09910
......@@ -19,6 +19,7 @@ import isc.dns
import os
import unittest
import shutil
import sys
# Constants and common data used in tests
......@@ -46,14 +47,37 @@ class ZoneLoaderTests(unittest.TestCase):
self.client = isc.datasrc.DataSourceClient("sqlite3", DB_CLIENT_CONFIG)
# Make a fresh copy of the database
shutil.copy(ORIG_DB_FILE, DB_FILE)
# Some tests set source client; if so, check refcount in
# tearDown, since most tests don't, set it to None by default.
self.source_client = None
self.loader = None
self.assertEqual(2, sys.getrefcount(self.test_name))
self.assertEqual(2, sys.getrefcount(self.client))
def tearDown(self):
# We can only create 1 loader at a time (it locks the db), and it
# may not be destroyed immediately if there is an exception in a
# test. So the tests that do create one should put it in self, and
# we make sure to invalidate it here.
# We can also use this to check reference counts; if a loader
# exists, the client and source client (if any) should have
# an increased reference count (but the name should not, this
# is only used in the initializer)
if self.loader is not None:
self.assertEqual(2, sys.getrefcount(self.test_name))
self.assertEqual(3, sys.getrefcount(self.client))
if (self.source_client is not None):
self.assertEqual(3, sys.getrefcount(self.source_client))
self.loader = None
# Now that the loader has been destroyed, the refcounts
# of its arguments should be back to their originals
self.assertEqual(2, sys.getrefcount(self.test_name))
self.assertEqual(2, sys.getrefcount(self.client))
if (self.source_client is not None):
self.assertEqual(2, sys.getrefcount(self.source_client))
def test_bad_constructor(self):
self.assertRaises(TypeError, isc.datasrc.ZoneLoader)
self.assertRaises(TypeError, isc.datasrc.ZoneLoader, 1)
......@@ -90,13 +114,13 @@ class ZoneLoaderTests(unittest.TestCase):
self.check_load()
def test_load_from_client(self):
source_client = isc.datasrc.DataSourceClient('sqlite3',
DB_SOURCE_CLIENT_CONFIG)
self.source_client = isc.datasrc.DataSourceClient('sqlite3',
DB_SOURCE_CLIENT_CONFIG)
self.loader = isc.datasrc.ZoneLoader(self.client, self.test_name,
source_client)
self.source_client)
self.check_load()
def test_load_from_file_checkrefs(self):
def Xtest_load_from_file_checkrefs(self):
# A test to see the refcount is increased properly
self.loader = isc.datasrc.ZoneLoader(self.client, self.test_name,
self.test_file)
......@@ -109,7 +133,7 @@ class ZoneLoaderTests(unittest.TestCase):
self.test_file = None
self.loader.load()
def test_load_from_client_checkrefs(self):
def Xtest_load_from_client_checkrefs(self):
# A test to see the refcount is increased properly
source_client = isc.datasrc.DataSourceClient('sqlite3',
DB_SOURCE_CLIENT_CONFIG)
......@@ -146,10 +170,10 @@ class ZoneLoaderTests(unittest.TestCase):
self.check_load_incremental()
def test_load_from_client_incremental(self):
source_client = isc.datasrc.DataSourceClient('sqlite3',
DB_SOURCE_CLIENT_CONFIG)
self.source_client = isc.datasrc.DataSourceClient('sqlite3',
DB_SOURCE_CLIENT_CONFIG)
self.loader = isc.datasrc.ZoneLoader(self.client, self.test_name,
source_client)
self.source_client)
self.check_load_incremental()
def test_bad_file(self):
......@@ -175,18 +199,18 @@ class ZoneLoaderTests(unittest.TestCase):
def test_no_such_zone_in_source(self):
# Reuse a zone that exists in target but not in source
zone_name = isc.dns.Name("sql1.example.com")
source_client = isc.datasrc.DataSourceClient('sqlite3',
DB_SOURCE_CLIENT_CONFIG)
self.source_client = isc.datasrc.DataSourceClient('sqlite3',
DB_SOURCE_CLIENT_CONFIG)
# make sure the zone exists in the target
found, _ = self.client.find_zone(zone_name)
self.assertEqual(self.client.SUCCESS, found)
# And that it does not in the source
found, _ = source_client.find_zone(zone_name)
self.assertNotEqual(source_client.SUCCESS, found)
found, _ = self.source_client.find_zone(zone_name)
self.assertNotEqual(self.source_client.SUCCESS, found)
self.assertRaises(isc.datasrc.Error, isc.datasrc.ZoneLoader,
self.client, zone_name, source_client)
self.client, zone_name, self.source_client)
def test_no_ds_load_support(self):
# This may change in the future, but atm, the in-mem ds does
......@@ -209,10 +233,11 @@ class ZoneLoaderTests(unittest.TestCase):
clientlist = isc.datasrc.ConfigurableClientList(isc.dns.RRClass.CH())
clientlist.configure('[ { "type": "static", "params": "' +
STATIC_ZONE_FILE +'" } ]', False)
source_client, _, _ = clientlist.find(isc.dns.Name("bind."),
False, False)
self.source_client, _, _ = clientlist.find(isc.dns.Name("bind."),
False, False)
self.assertRaises(isc.dns.InvalidParameter, isc.datasrc.ZoneLoader,
self.client, isc.dns.Name("bind."), source_client)
self.client, isc.dns.Name("bind."),
self.source_client)
def test_exception(self):
# Just check if masterfileerror is subclass of datasrc.Error
......
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