def test_autocommit(self):
""" When autocommit=True the db is automatically updated """
d1 = sqlitedict.open('test.db', autocommit=True)
d2 = sqlitedict.open('test.db', autocommit=True)
d1['abc'] = 'def'
self.assertEqual(d2['abc'], 'def')
def test_flag_n(self):
""" The 'n' flag will clear an existing database """
with sqlitedict.open('test.db', flag='n') as d:
d['abc'] = 'def'
with sqlitedict.open('test.db', flag='n') as d:
self.assertFalse(d)
def test_file_persistence(self):
""" Dict should be saved to a file """
with sqlitedict.open('test.db') as d:
d['abc'] = 'def'
with sqlitedict.open('test.db') as d:
self.assertEqual(d['abc'], 'def')
def test_close_calls_commit(self):
""" If autocommit=False, closing sqlitedict automatically commits """
d1 = sqlitedict.open('test.db', autocommit=False)
d2 = sqlitedict.open('test.db', autocommit=False)
d1['abc'] = 'def'
self.assertFalse(d2)
d1.close()
self.assertEqual(d2['abc'], 'def')
def test_no_autocommit(self):
""" When autocommit=False the db is updated when commit() is called """
d1 = sqlitedict.open('test.db', autocommit=False)
d2 = sqlitedict.open('test.db', autocommit=False)
d1['abc'] = 'def'
self.assertFalse(d2)
d1.commit()
self.assertEqual(d2['abc'], 'def')
def test_flag_w(self):
""" The 'w' flag will clear existing table """
with sqlitedict.open('test.db', 'a') as d:
d['abc'] = 'def'
with sqlitedict.open('test.db', 'b') as d:
d['abc'] = 'def'
with sqlitedict.open('test.db', 'a', flag='w') as d:
self.assertFalse(d)
with sqlitedict.open('test.db', 'b') as d:
self.assertEqual(d['abc'], 'def')
def test_sqlitedict(self):
""" Run a bunch of tests on sqlitedicts """
with sqlitedict.open() as d:
self.assertEqual(list(d), [])
self.assertEqual(len(d), 0)
self.assertFalse(d)
d['abc'] = 'rsvp' * 100
self.assertEqual(d['abc'], 'rsvp' * 100)
self.assertEqual(len(d), 1)
d['abc'] = 'lmno'
self.assertEqual(d['abc'], 'lmno')
self.assertEqual(len(d), 1)
del d['abc']
self.assertFalse(d)
self.assertEqual(len(d), 0)
d['abc'] = 'lmno'
d['xyz'] = 'pdq'
self.assertEqual(len(d), 2)
self.assertItemsEqual(list(six.iteritems(d)), [('abc', 'lmno'),
('xyz', 'pdq')])
self.assertItemsEqual(d.items(), [('abc', 'lmno'), ('xyz', 'pdq')])
self.assertItemsEqual(d.values(), ['lmno', 'pdq'])
self.assertItemsEqual(d.keys(), ['abc', 'xyz'])
self.assertItemsEqual(list(d), ['abc', 'xyz'])
d.update(p='x', q='y', r='z')
self.assertEqual(len(d), 5)
self.assertItemsEqual(d.items(),
[('abc', 'lmno'), ('xyz', 'pdq'),
('q', 'y'), ('p', 'x'), ('r', 'z')])
del d['abc']
try:
d['abc']
except KeyError:
pass
else:
assert False
try:
del d['abc']
except KeyError:
pass
else:
assert False
self.assertItemsEqual(list(d), ['xyz', 'q', 'p', 'r'])
self.assertTrue(d)
d.clear()
self.assertFalse(d)
self.assertEqual(list(d), [])
d.update(p='x', q='y', r='z')
self.assertItemsEqual(list(d), ['q', 'p', 'r'])
d.clear()
self.assertFalse(d)
def test_terminate(self):
""" Calling terminate() removes database file """
with sqlitedict.open('test.db') as d:
d['abc'] = 'def'
d.terminate()
self.assertFalse(os.path.exists('test.db'))
def test_commit_after_close(self):
""" Calling commit() after closing sqlitedict raises error """
d = sqlitedict.open()
d.close()
with self.assertRaises(IOError):
d.commit()
def test_memory(self):
""" in-memory databases do not create files """
with sqlitedict.open() as d:
d['abc'] = 'def'
self.assertEqual(os.listdir(os.curdir), [])
self.assertEqual(os.listdir(os.curdir), [])
def test_bad_flag(self):
""" Passing a bad flag raises error """
with self.assertRaises(ValueError):
sqlitedict.open(flag='g')