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import os
import unittest
import shelve
import glob
from test import test_support
class TestCase(unittest.TestCase):
fn = "shelftemp" + os.extsep + "db"
def test_ascii_file_shelf(self):
try:
s = shelve.open(self.fn, protocol=0)
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
s.close()
finally:
for f in glob.glob(self.fn+"*"):
os.unlink(f)
def test_binary_file_shelf(self):
try:
s = shelve.open(self.fn, protocol=1)
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
s.close()
finally:
for f in glob.glob(self.fn+"*"):
os.unlink(f)
def test_proto2_file_shelf(self):
try:
s = shelve.open(self.fn, protocol=2)
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
s.close()
finally:
for f in glob.glob(self.fn+"*"):
os.unlink(f)
def test_in_memory_shelf(self):
d1 = {}
s = shelve.Shelf(d1, protocol=0)
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
s.close()
d2 = {}
s = shelve.Shelf(d2, protocol=1)
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
s.close()
self.assertEqual(len(d1), 1)
self.assertNotEqual(d1, d2)
def test_mutable_entry(self):
d1 = {}
s = shelve.Shelf(d1, protocol=2, writeback=False)
s['key1'] = [1,2,3,4]
self.assertEqual(s['key1'], [1,2,3,4])
s['key1'].append(5)
self.assertEqual(s['key1'], [1,2,3,4])
s.close()
d2 = {}
s = shelve.Shelf(d2, protocol=2, writeback=True)
s['key1'] = [1,2,3,4]
self.assertEqual(s['key1'], [1,2,3,4])
s['key1'].append(5)
self.assertEqual(s['key1'], [1,2,3,4,5])
s.close()
self.assertEqual(len(d1), 1)
self.assertEqual(len(d2), 1)
from test import mapping_tests
class TestShelveBase(mapping_tests.BasicTestMappingProtocol):
fn = "shelftemp.db"
counter = 0
def __init__(self, *args, **kw):
self._db = []
mapping_tests.BasicTestMappingProtocol.__init__(self, *args, **kw)
type2test = shelve.Shelf
def _reference(self):
return {"key1":"value1", "key2":2, "key3":(1,2,3)}
def _empty_mapping(self):
if self._in_mem:
x= shelve.Shelf({}, **self._args)
else:
self.counter+=1
x= shelve.open(self.fn+str(self.counter), **self._args)
self._db.append(x)
return x
def tearDown(self):
for db in self._db:
db.close()
self._db = []
if not self._in_mem:
for f in glob.glob(self.fn+"*"):
os.unlink(f)
class TestAsciiFileShelve(TestShelveBase):
_args={'protocol':0}
_in_mem = False
class TestBinaryFileShelve(TestShelveBase):
_args={'protocol':1}
_in_mem = False
class TestProto2FileShelve(TestShelveBase):
_args={'protocol':2}
_in_mem = False
class TestAsciiMemShelve(TestShelveBase):
_args={'protocol':0}
_in_mem = True
class TestBinaryMemShelve(TestShelveBase):
_args={'protocol':1}
_in_mem = True
class TestProto2MemShelve(TestShelveBase):
_args={'protocol':2}
_in_mem = True
def test_main():
test_support.run_unittest(
TestAsciiFileShelve,
TestBinaryFileShelve,
TestProto2FileShelve,
TestAsciiMemShelve,
TestBinaryMemShelve,
TestProto2MemShelve,
TestCase
)
if __name__ == "__main__":
test_main()
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