| 1 | import os
|
|---|
| 2 | import unittest
|
|---|
| 3 | import shelve
|
|---|
| 4 | import glob
|
|---|
| 5 | from test import test_support
|
|---|
| 6 |
|
|---|
| 7 | test_support.import_module('anydbm', deprecated=True)
|
|---|
| 8 |
|
|---|
| 9 | class TestCase(unittest.TestCase):
|
|---|
| 10 |
|
|---|
| 11 | fn = "shelftemp" + os.extsep + "db"
|
|---|
| 12 |
|
|---|
| 13 | def test_close(self):
|
|---|
| 14 | d1 = {}
|
|---|
| 15 | s = shelve.Shelf(d1, protocol=2, writeback=False)
|
|---|
| 16 | s['key1'] = [1,2,3,4]
|
|---|
| 17 | self.assertEqual(s['key1'], [1,2,3,4])
|
|---|
| 18 | self.assertEqual(len(s), 1)
|
|---|
| 19 | s.close()
|
|---|
| 20 | self.assertRaises(ValueError, len, s)
|
|---|
| 21 | try:
|
|---|
| 22 | s['key1']
|
|---|
| 23 | except ValueError:
|
|---|
| 24 | pass
|
|---|
| 25 | else:
|
|---|
| 26 | self.fail('Closed shelf should not find a key')
|
|---|
| 27 |
|
|---|
| 28 | def test_ascii_file_shelf(self):
|
|---|
| 29 | try:
|
|---|
| 30 | s = shelve.open(self.fn, protocol=0)
|
|---|
| 31 | s['key1'] = (1,2,3,4)
|
|---|
| 32 | self.assertEqual(s['key1'], (1,2,3,4))
|
|---|
| 33 | s.close()
|
|---|
| 34 | finally:
|
|---|
| 35 | for f in glob.glob(self.fn+"*"):
|
|---|
| 36 | os.unlink(f)
|
|---|
| 37 |
|
|---|
| 38 | def test_binary_file_shelf(self):
|
|---|
| 39 | try:
|
|---|
| 40 | s = shelve.open(self.fn, protocol=1)
|
|---|
| 41 | s['key1'] = (1,2,3,4)
|
|---|
| 42 | self.assertEqual(s['key1'], (1,2,3,4))
|
|---|
| 43 | s.close()
|
|---|
| 44 | finally:
|
|---|
| 45 | for f in glob.glob(self.fn+"*"):
|
|---|
| 46 | os.unlink(f)
|
|---|
| 47 |
|
|---|
| 48 | def test_proto2_file_shelf(self):
|
|---|
| 49 | try:
|
|---|
| 50 | s = shelve.open(self.fn, protocol=2)
|
|---|
| 51 | s['key1'] = (1,2,3,4)
|
|---|
| 52 | self.assertEqual(s['key1'], (1,2,3,4))
|
|---|
| 53 | s.close()
|
|---|
| 54 | finally:
|
|---|
| 55 | for f in glob.glob(self.fn+"*"):
|
|---|
| 56 | os.unlink(f)
|
|---|
| 57 |
|
|---|
| 58 | def test_in_memory_shelf(self):
|
|---|
| 59 | d1 = {}
|
|---|
| 60 | s = shelve.Shelf(d1, protocol=0)
|
|---|
| 61 | s['key1'] = (1,2,3,4)
|
|---|
| 62 | self.assertEqual(s['key1'], (1,2,3,4))
|
|---|
| 63 | s.close()
|
|---|
| 64 | d2 = {}
|
|---|
| 65 | s = shelve.Shelf(d2, protocol=1)
|
|---|
| 66 | s['key1'] = (1,2,3,4)
|
|---|
| 67 | self.assertEqual(s['key1'], (1,2,3,4))
|
|---|
| 68 | s.close()
|
|---|
| 69 |
|
|---|
| 70 | self.assertEqual(len(d1), 1)
|
|---|
| 71 | self.assertNotEqual(d1, d2)
|
|---|
| 72 |
|
|---|
| 73 | def test_mutable_entry(self):
|
|---|
| 74 | d1 = {}
|
|---|
| 75 | s = shelve.Shelf(d1, protocol=2, writeback=False)
|
|---|
| 76 | s['key1'] = [1,2,3,4]
|
|---|
| 77 | self.assertEqual(s['key1'], [1,2,3,4])
|
|---|
| 78 | s['key1'].append(5)
|
|---|
| 79 | self.assertEqual(s['key1'], [1,2,3,4])
|
|---|
| 80 | s.close()
|
|---|
| 81 |
|
|---|
| 82 | d2 = {}
|
|---|
| 83 | s = shelve.Shelf(d2, protocol=2, writeback=True)
|
|---|
| 84 | s['key1'] = [1,2,3,4]
|
|---|
| 85 | self.assertEqual(s['key1'], [1,2,3,4])
|
|---|
| 86 | s['key1'].append(5)
|
|---|
| 87 | self.assertEqual(s['key1'], [1,2,3,4,5])
|
|---|
| 88 | s.close()
|
|---|
| 89 |
|
|---|
| 90 | self.assertEqual(len(d1), 1)
|
|---|
| 91 | self.assertEqual(len(d2), 1)
|
|---|
| 92 |
|
|---|
| 93 | def test_writeback_also_writes_immediately(self):
|
|---|
| 94 | # Issue 5754
|
|---|
| 95 | d = {}
|
|---|
| 96 | s = shelve.Shelf(d, writeback=True)
|
|---|
| 97 | s['key'] = [1]
|
|---|
| 98 | p1 = d['key'] # Will give a KeyError if backing store not updated
|
|---|
| 99 | s['key'].append(2)
|
|---|
| 100 | s.close()
|
|---|
| 101 | p2 = d['key']
|
|---|
| 102 | self.assertNotEqual(p1, p2) # Write creates new object in store
|
|---|
| 103 |
|
|---|
| 104 |
|
|---|
| 105 | from test import mapping_tests
|
|---|
| 106 |
|
|---|
| 107 | class TestShelveBase(mapping_tests.BasicTestMappingProtocol):
|
|---|
| 108 | fn = "shelftemp.db"
|
|---|
| 109 | counter = 0
|
|---|
| 110 | def __init__(self, *args, **kw):
|
|---|
| 111 | self._db = []
|
|---|
| 112 | mapping_tests.BasicTestMappingProtocol.__init__(self, *args, **kw)
|
|---|
| 113 | type2test = shelve.Shelf
|
|---|
| 114 | def _reference(self):
|
|---|
| 115 | return {"key1":"value1", "key2":2, "key3":(1,2,3)}
|
|---|
| 116 | def _empty_mapping(self):
|
|---|
| 117 | if self._in_mem:
|
|---|
| 118 | x= shelve.Shelf({}, **self._args)
|
|---|
| 119 | else:
|
|---|
| 120 | self.counter+=1
|
|---|
| 121 | x= shelve.open(self.fn+str(self.counter), **self._args)
|
|---|
| 122 | self._db.append(x)
|
|---|
| 123 | return x
|
|---|
| 124 | def tearDown(self):
|
|---|
| 125 | for db in self._db:
|
|---|
| 126 | db.close()
|
|---|
| 127 | self._db = []
|
|---|
| 128 | if not self._in_mem:
|
|---|
| 129 | for f in glob.glob(self.fn+"*"):
|
|---|
| 130 | test_support.unlink(f)
|
|---|
| 131 |
|
|---|
| 132 | class TestAsciiFileShelve(TestShelveBase):
|
|---|
| 133 | _args={'protocol':0}
|
|---|
| 134 | _in_mem = False
|
|---|
| 135 | class TestBinaryFileShelve(TestShelveBase):
|
|---|
| 136 | _args={'protocol':1}
|
|---|
| 137 | _in_mem = False
|
|---|
| 138 | class TestProto2FileShelve(TestShelveBase):
|
|---|
| 139 | _args={'protocol':2}
|
|---|
| 140 | _in_mem = False
|
|---|
| 141 | class TestAsciiMemShelve(TestShelveBase):
|
|---|
| 142 | _args={'protocol':0}
|
|---|
| 143 | _in_mem = True
|
|---|
| 144 | class TestBinaryMemShelve(TestShelveBase):
|
|---|
| 145 | _args={'protocol':1}
|
|---|
| 146 | _in_mem = True
|
|---|
| 147 | class TestProto2MemShelve(TestShelveBase):
|
|---|
| 148 | _args={'protocol':2}
|
|---|
| 149 | _in_mem = True
|
|---|
| 150 |
|
|---|
| 151 | def test_main():
|
|---|
| 152 | test_support.run_unittest(
|
|---|
| 153 | TestAsciiFileShelve,
|
|---|
| 154 | TestBinaryFileShelve,
|
|---|
| 155 | TestProto2FileShelve,
|
|---|
| 156 | TestAsciiMemShelve,
|
|---|
| 157 | TestBinaryMemShelve,
|
|---|
| 158 | TestProto2MemShelve,
|
|---|
| 159 | TestCase
|
|---|
| 160 | )
|
|---|
| 161 |
|
|---|
| 162 | if __name__ == "__main__":
|
|---|
| 163 | test_main()
|
|---|
