本文整理汇总了Python中Tribler.Core.CacheDB.sqlitecachedb.SQLiteCacheDB.size方法的典型用法代码示例。如果您正苦于以下问题：Python SQLiteCacheDB.size方法的具体用法？Python SQLiteCacheDB.size怎么用？Python SQLiteCacheDB.size使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Tribler.Core.CacheDB.sqlitecachedb.SQLiteCacheDB的用法示例。
在下文中一共展示了SQLiteCacheDB.size方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestSqliteCacheDB
# 需要导入模块: from Tribler.Core.CacheDB.sqlitecachedb import SQLiteCacheDB [as 别名]
# 或者: from Tribler.Core.CacheDB.sqlitecachedb.SQLiteCacheDB import size [as 别名]
#.........这里部分代码省略.........
def do_integrity_check(_):
do_integrity_check.called = True
db_path = os.path.join(self.session_base_dir, "test_db.db")
sqlite_test = SQLiteCacheDB(db_path)
sqlite_test.do_quick_integrity_check = do_integrity_check
do_integrity_check.called = False
self.assertFalse(do_integrity_check.called)
db_path2 = os.path.join(self.session_base_dir, "test_db2.db")
wal_file = open(os.path.join(self.session_base_dir, "test_db2.db-shm"), 'w')
wal_file.close()
do_integrity_check.called = False
SQLiteCacheDB.do_quick_integrity_check = do_integrity_check
sqlite_test_2 = SQLiteCacheDB(db_path2)
self.assertTrue(do_integrity_check.called)
def test_clean_db(self):
sqlite_test_2 = SQLiteCacheDB(os.path.join(self.session_base_dir, "test_db.db"), DB_SCRIPT_ABSOLUTE_PATH)
sqlite_test_2.clean_db(vacuum=True, exiting=False)
sqlite_test_2.close()
@skipIf(sys.platform == "win32", "chmod does not work on Windows")
@raises(CantOpenError)
def test_open_db_connection_no_permission(self):
os.chmod(os.path.join(self.session_base_dir), 0)
sqlite_test_2 = SQLiteCacheDB(os.path.join(self.session_base_dir, "test_db.db"))
def test_insert(self):
self.test_create_db()
self.sqlite_test.insert('person', lastname='a', firstname='b')
self.assertEqual(self.sqlite_test.size('person'), 1)
def test_fetchone(self):
self.test_insert()
one = self.sqlite_test.fetchone(u"SELECT * FROM person")
self.assertEqual(one, ('a', 'b'))
one = self.sqlite_test.fetchone(u"SELECT lastname FROM person WHERE firstname == 'b'")
self.assertEqual(one, 'a')
one = self.sqlite_test.fetchone(u"SELECT lastname FROM person WHERE firstname == 'c'")
self.assertIsNone(one)
def test_insertmany(self):
self.test_create_db()
values = []
for i in range(100):
value = (str(i), str(i ** 2))
values.append(value)
self.sqlite_test.insertMany('person', values)
self.assertEqual(self.sqlite_test.size('person'), 100)
def test_fetchall(self):
self.test_insertmany()
all = self.sqlite_test.fetchall('select * from person')
self.assertEqual(len(all), 100)
all = self.sqlite_test.fetchall("select * from person where lastname=='101'")
self.assertEqual(all, [])
def test_insertorder(self):示例2: TestSqliteCacheDB
# 需要导入模块: from Tribler.Core.CacheDB.sqlitecachedb import SQLiteCacheDB [as 别名]
# 或者: from Tribler.Core.CacheDB.sqlitecachedb.SQLiteCacheDB import size [as 别名]
class TestSqliteCacheDB(AbstractServer):
def setUp(self):
super(TestSqliteCacheDB, self).setUp()
self.config = SessionStartupConfig()
self.config.set_state_dir(self.getStateDir())
self.config.set_torrent_checking(False)
self.config.set_multicast_local_peer_discovery(False)
self.config.set_megacache(False)
self.config.set_dispersy(False)
self.config.set_mainline_dht(False)
self.config.set_torrent_collecting(False)
self.config.set_libtorrent(False)
self.config.set_dht_torrent_collecting(False)
self.config.set_videoplayer(False)
self.session = Session(self.config, ignore_singleton=True)
self.sqlite_test = SQLiteCacheDB(self.session)
self.db_path = u":memory:"
self.sqlite_test.initialize(self.db_path)
def tearDown(self):
super(TestSqliteCacheDB, self).tearDown()
self.sqlite_test.close()
self.sqlite_test = None
self.session.del_instance()
self.session = None
@blocking_call_on_reactor_thread
def test_create_db(self):
sql = u"CREATE TABLE person(lastname, firstname);"
self.sqlite_test.execute(sql)
@blocking_call_on_reactor_thread
def test_insert(self):
self.test_create_db()
self.sqlite_test.insert('person', lastname='a', firstname='b')
assert self.sqlite_test.size('person') == 1
@blocking_call_on_reactor_thread
def test_fetchone(self):
self.test_insert()
one = self.sqlite_test.fetchone(u"SELECT * FROM person")
assert one == ('a', 'b')
one = self.sqlite_test.fetchone(u"SELECT lastname FROM person WHERE firstname == 'b'")
assert one == 'a'
one = self.sqlite_test.fetchone(u"SELECT lastname FROM person WHERE firstname == 'c'")
assert one is None
@blocking_call_on_reactor_thread
def test_insertmany(self):
self.test_create_db()
values = []
for i in range(100):
value = (str(i), str(i ** 2))
values.append(value)
self.sqlite_test.insertMany('person', values)
assert self.sqlite_test.size('person') == 100
@blocking_call_on_reactor_thread
def test_fetchall(self):
self.test_insertmany()
all = self.sqlite_test.fetchall('select * from person')
assert len(all) == 100
all = self.sqlite_test.fetchall("select * from person where lastname=='101'")
assert all == []
@blocking_call_on_reactor_thread
def test_insertorder(self):
self.test_insertmany()
self.sqlite_test.insert('person', lastname='1', firstname='abc')
one = self.sqlite_test.fetchone("select firstname from person where lastname == '1'")
assert one == '1' or one == 'abc'
all = self.sqlite_test.fetchall("select firstname from person where lastname == '1'")
assert len(all) == 2
@blocking_call_on_reactor_thread
def test_update(self):
self.test_insertmany()
self.sqlite_test.update('person', "lastname == '2'", firstname='56')
one = self.sqlite_test.fetchone("select firstname from person where lastname == '2'")
assert one == '56', one
self.sqlite_test.update('person', "lastname == '3'", firstname=65)
one = self.sqlite_test.fetchone("select firstname from person where lastname == '3'")
assert one == 65, one
self.sqlite_test.update('person', "lastname == '4'", firstname=654, lastname=44)
one = self.sqlite_test.fetchone("select firstname from person where lastname == 44")
assert one == 654, one