Python code coverage for Lib/bsddb/test/test_sequence.py

#	count	content
1	n/a	import unittest
2	n/a	import os
3	n/a
4	n/a	from test_all import db, test_support, get_new_environment_path, get_new_database_path
5	n/a
6	n/a
7	n/a	class DBSequenceTest(unittest.TestCase):
8	n/a	import sys
9	n/a	if sys.version_info < (2, 4) :
10	n/a	def assertTrue(self, expr, msg=None):
11	n/a	self.failUnless(expr,msg=msg)
12	n/a
13	n/a	def setUp(self):
14	n/a	self.int_32_max = 0x100000000
15	n/a	self.homeDir = get_new_environment_path()
16	n/a	self.filename = "test"
17	n/a
18	n/a	self.dbenv = db.DBEnv()
19	n/a	self.dbenv.open(self.homeDir, db.DB_CREATE \| db.DB_INIT_MPOOL, 0666)
20	n/a	self.d = db.DB(self.dbenv)
21	n/a	self.d.open(self.filename, db.DB_BTREE, db.DB_CREATE, 0666)
22	n/a
23	n/a	def tearDown(self):
24	n/a	if hasattr(self, 'seq'):
25	n/a	self.seq.close()
26	n/a	del self.seq
27	n/a	if hasattr(self, 'd'):
28	n/a	self.d.close()
29	n/a	del self.d
30	n/a	if hasattr(self, 'dbenv'):
31	n/a	self.dbenv.close()
32	n/a	del self.dbenv
33	n/a
34	n/a	test_support.rmtree(self.homeDir)
35	n/a
36	n/a	def test_get(self):
37	n/a	self.seq = db.DBSequence(self.d, flags=0)
38	n/a	start_value = 10 * self.int_32_max
39	n/a	self.assertEqual(0xA00000000, start_value)
40	n/a	self.assertEquals(None, self.seq.initial_value(start_value))
41	n/a	self.assertEquals(None, self.seq.open(key='id', txn=None, flags=db.DB_CREATE))
42	n/a	self.assertEquals(start_value, self.seq.get(5))
43	n/a	self.assertEquals(start_value + 5, self.seq.get())
44	n/a
45	n/a	def test_remove(self):
46	n/a	self.seq = db.DBSequence(self.d, flags=0)
47	n/a	self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
48	n/a	self.assertEquals(None, self.seq.remove(txn=None, flags=0))
49	n/a	del self.seq
50	n/a
51	n/a	def test_get_key(self):
52	n/a	self.seq = db.DBSequence(self.d, flags=0)
53	n/a	key = 'foo'
54	n/a	self.assertEquals(None, self.seq.open(key=key, txn=None, flags=db.DB_CREATE))
55	n/a	self.assertEquals(key, self.seq.get_key())
56	n/a
57	n/a	def test_get_dbp(self):
58	n/a	self.seq = db.DBSequence(self.d, flags=0)
59	n/a	self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
60	n/a	self.assertEquals(self.d, self.seq.get_dbp())
61	n/a
62	n/a	def test_cachesize(self):
63	n/a	self.seq = db.DBSequence(self.d, flags=0)
64	n/a	cashe_size = 10
65	n/a	self.assertEquals(None, self.seq.set_cachesize(cashe_size))
66	n/a	self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
67	n/a	self.assertEquals(cashe_size, self.seq.get_cachesize())
68	n/a
69	n/a	def test_flags(self):
70	n/a	self.seq = db.DBSequence(self.d, flags=0)
71	n/a	flag = db.DB_SEQ_WRAP;
72	n/a	self.assertEquals(None, self.seq.set_flags(flag))
73	n/a	self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
74	n/a	self.assertEquals(flag, self.seq.get_flags() & flag)
75	n/a
76	n/a	def test_range(self):
77	n/a	self.seq = db.DBSequence(self.d, flags=0)
78	n/a	seq_range = (10 * self.int_32_max, 11 * self.int_32_max - 1)
79	n/a	self.assertEquals(None, self.seq.set_range(seq_range))
80	n/a	self.seq.initial_value(seq_range[0])
81	n/a	self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
82	n/a	self.assertEquals(seq_range, self.seq.get_range())
83	n/a
84	n/a	def test_stat(self):
85	n/a	self.seq = db.DBSequence(self.d, flags=0)
86	n/a	self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
87	n/a	stat = self.seq.stat()
88	n/a	for param in ('nowait', 'min', 'max', 'value', 'current',
89	n/a	'flags', 'cache_size', 'last_value', 'wait'):
90	n/a	self.assertTrue(param in stat, "parameter %s isn't in stat info" % param)
91	n/a
92	n/a	if db.version() >= (4,7) :
93	n/a	# This code checks a crash solved in Berkeley DB 4.7
94	n/a	def test_stat_crash(self) :
95	n/a	d=db.DB()
96	n/a	d.open(None,dbtype=db.DB_HASH,flags=db.DB_CREATE) # In RAM
97	n/a	seq = db.DBSequence(d, flags=0)
98	n/a
99	n/a	self.assertRaises(db.DBNotFoundError, seq.open,
100	n/a	key='id', txn=None, flags=0)
101	n/a
102	n/a	self.assertRaises(db.DBInvalidArgError, seq.stat)
103	n/a
104	n/a	d.close()
105	n/a
106	n/a	def test_64bits(self) :
107	n/a	# We don't use both extremes because they are problematic
108	n/a	value_plus=(1L<<63)-2
109	n/a	self.assertEquals(9223372036854775806L,value_plus)
110	n/a	value_minus=(-1L<<63)+1 # Two complement
111	n/a	self.assertEquals(-9223372036854775807L,value_minus)
112	n/a	self.seq = db.DBSequence(self.d, flags=0)
113	n/a	self.assertEquals(None, self.seq.initial_value(value_plus-1))
114	n/a	self.assertEquals(None, self.seq.open(key='id', txn=None,
115	n/a	flags=db.DB_CREATE))
116	n/a	self.assertEquals(value_plus-1, self.seq.get(1))
117	n/a	self.assertEquals(value_plus, self.seq.get(1))
118	n/a
119	n/a	self.seq.remove(txn=None, flags=0)
120	n/a
121	n/a	self.seq = db.DBSequence(self.d, flags=0)
122	n/a	self.assertEquals(None, self.seq.initial_value(value_minus))
123	n/a	self.assertEquals(None, self.seq.open(key='id', txn=None,
124	n/a	flags=db.DB_CREATE))
125	n/a	self.assertEquals(value_minus, self.seq.get(1))
126	n/a	self.assertEquals(value_minus+1, self.seq.get(1))
127	n/a
128	n/a	def test_multiple_close(self):
129	n/a	self.seq = db.DBSequence(self.d)
130	n/a	self.seq.close() # You can close a Sequence multiple times
131	n/a	self.seq.close()
132	n/a	self.seq.close()
133	n/a
134	n/a	def test_suite():
135	n/a	suite = unittest.TestSuite()
136	n/a	if db.version() >= (4,3):
137	n/a	suite.addTest(unittest.makeSuite(DBSequenceTest))
138	n/a	return suite
139	n/a
140	n/a
141	n/a	if __name__ == '__main__':
142	n/a	unittest.main(defaultTest='test_suite')