| 1 | """
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| 2 | Test cases adapted from the test_bsddb.py module in Python's
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| 3 | regression test suite.
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| 4 | """
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| 5 |
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| 6 | import os, string
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| 7 | import unittest
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| 8 |
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| 9 | from test_all import db, hashopen, btopen, rnopen, verbose, \
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| 10 | get_new_database_path
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| 11 |
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| 12 |
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| 13 | class CompatibilityTestCase(unittest.TestCase):
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| 14 | def setUp(self):
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| 15 | self.filename = get_new_database_path()
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| 16 |
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| 17 | def tearDown(self):
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| 18 | try:
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| 19 | os.remove(self.filename)
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| 20 | except os.error:
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| 21 | pass
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| 22 |
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| 23 |
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| 24 | def test01_btopen(self):
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| 25 | self.do_bthash_test(btopen, 'btopen')
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| 26 |
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| 27 | def test02_hashopen(self):
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| 28 | self.do_bthash_test(hashopen, 'hashopen')
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| 29 |
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| 30 | def test03_rnopen(self):
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| 31 | data = "The quick brown fox jumped over the lazy dog.".split()
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| 32 | if verbose:
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| 33 | print "\nTesting: rnopen"
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| 34 |
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| 35 | f = rnopen(self.filename, 'c')
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| 36 | for x in range(len(data)):
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| 37 | f[x+1] = data[x]
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| 38 |
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| 39 | getTest = (f[1], f[2], f[3])
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| 40 | if verbose:
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| 41 | print '%s %s %s' % getTest
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| 42 |
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| 43 | self.assertEqual(getTest[1], 'quick', 'data mismatch!')
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| 44 |
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| 45 | rv = f.set_location(3)
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| 46 | if rv != (3, 'brown'):
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| 47 | self.fail('recno database set_location failed: '+repr(rv))
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| 48 |
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| 49 | f[25] = 'twenty-five'
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| 50 | f.close()
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| 51 | del f
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| 52 |
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| 53 | f = rnopen(self.filename, 'w')
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| 54 | f[20] = 'twenty'
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| 55 |
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| 56 | def noRec(f):
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| 57 | rec = f[15]
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| 58 | self.assertRaises(KeyError, noRec, f)
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| 59 |
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| 60 | def badKey(f):
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| 61 | rec = f['a string']
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| 62 | self.assertRaises(TypeError, badKey, f)
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| 63 |
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| 64 | del f[3]
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| 65 |
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| 66 | rec = f.first()
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| 67 | while rec:
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| 68 | if verbose:
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| 69 | print rec
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| 70 | try:
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| 71 | rec = f.next()
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| 72 | except KeyError:
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| 73 | break
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| 74 |
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| 75 | f.close()
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| 76 |
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| 77 |
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| 78 | def test04_n_flag(self):
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| 79 | f = hashopen(self.filename, 'n')
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| 80 | f.close()
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| 81 |
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| 82 |
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| 83 | def do_bthash_test(self, factory, what):
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| 84 | if verbose:
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| 85 | print '\nTesting: ', what
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| 86 |
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| 87 | f = factory(self.filename, 'c')
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| 88 | if verbose:
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| 89 | print 'creation...'
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| 90 |
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| 91 | # truth test
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| 92 | if f:
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| 93 | if verbose: print "truth test: true"
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| 94 | else:
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| 95 | if verbose: print "truth test: false"
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| 96 |
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| 97 | f['0'] = ''
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| 98 | f['a'] = 'Guido'
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| 99 | f['b'] = 'van'
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| 100 | f['c'] = 'Rossum'
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| 101 | f['d'] = 'invented'
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| 102 | # 'e' intentionally left out
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| 103 | f['f'] = 'Python'
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| 104 | if verbose:
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| 105 | print '%s %s %s' % (f['a'], f['b'], f['c'])
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| 106 |
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| 107 | if verbose:
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| 108 | print 'key ordering...'
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| 109 | start = f.set_location(f.first()[0])
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| 110 | if start != ('0', ''):
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| 111 | self.fail("incorrect first() result: "+repr(start))
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| 112 | while 1:
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| 113 | try:
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| 114 | rec = f.next()
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| 115 | except KeyError:
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| 116 | self.assertEqual(rec, f.last(), 'Error, last <> last!')
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| 117 | f.previous()
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| 118 | break
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| 119 | if verbose:
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| 120 | print rec
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| 121 |
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| 122 | self.assertTrue(f.has_key('f'), 'Error, missing key!')
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| 123 |
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| 124 | # test that set_location() returns the next nearest key, value
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| 125 | # on btree databases and raises KeyError on others.
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| 126 | if factory == btopen:
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| 127 | e = f.set_location('e')
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| 128 | if e != ('f', 'Python'):
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| 129 | self.fail('wrong key,value returned: '+repr(e))
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| 130 | else:
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| 131 | try:
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| 132 | e = f.set_location('e')
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| 133 | except KeyError:
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| 134 | pass
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| 135 | else:
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| 136 | self.fail("set_location on non-existent key did not raise KeyError")
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| 137 |
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| 138 | f.sync()
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| 139 | f.close()
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| 140 | # truth test
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| 141 | try:
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| 142 | if f:
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| 143 | if verbose: print "truth test: true"
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| 144 | else:
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| 145 | if verbose: print "truth test: false"
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| 146 | except db.DBError:
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| 147 | pass
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| 148 | else:
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| 149 | self.fail("Exception expected")
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| 150 |
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| 151 | del f
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| 152 |
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| 153 | if verbose:
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| 154 | print 'modification...'
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| 155 | f = factory(self.filename, 'w')
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| 156 | f['d'] = 'discovered'
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| 157 |
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| 158 | if verbose:
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| 159 | print 'access...'
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| 160 | for key in f.keys():
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| 161 | word = f[key]
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| 162 | if verbose:
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| 163 | print word
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| 164 |
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| 165 | def noRec(f):
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| 166 | rec = f['no such key']
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| 167 | self.assertRaises(KeyError, noRec, f)
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| 168 |
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| 169 | def badKey(f):
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| 170 | rec = f[15]
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| 171 | self.assertRaises(TypeError, badKey, f)
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| 172 |
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| 173 | f.close()
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| 174 |
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| 175 |
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| 176 | #----------------------------------------------------------------------
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| 177 |
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| 178 |
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| 179 | def test_suite():
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| 180 | return unittest.makeSuite(CompatibilityTestCase)
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| 181 |
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| 182 |
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| 183 | if __name__ == '__main__':
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| 184 | unittest.main(defaultTest='test_suite')
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