187 lines
4.5 KiB
Python
187 lines
4.5 KiB
Python
"""
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Test cases adapted from the test_bsddb.py module in Python's
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regression test suite.
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"""
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import sys, os
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import unittest
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import tempfile
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from bsddb.test.test_all import verbose
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from bsddb import db, hashopen, btopen, rnopen
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class CompatibilityTestCase(unittest.TestCase):
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def setUp(self):
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self.filename = tempfile.mktemp()
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def tearDown(self):
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try:
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os.remove(self.filename)
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except os.error:
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pass
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def test01_btopen(self):
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self.do_bthash_test(btopen, 'btopen')
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def test02_hashopen(self):
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self.do_bthash_test(hashopen, 'hashopen')
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def test03_rnopen(self):
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data = "The quick brown fox jumped over the lazy dog.".split()
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if verbose:
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print("\nTesting: rnopen")
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f = rnopen(self.filename, 'c')
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for x in range(len(data)):
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f[x+1] = data[x].encode("ascii")
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getTest = (f[1], f[2], f[3])
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if verbose:
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print('%s %s %s' % getTest)
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assert getTest[1] == b'quick', 'data mismatch!'
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rv = f.set_location(3)
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if rv != (3, b'brown'):
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self.fail('recno database set_location failed: '+repr(rv))
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f[25] = b'twenty-five'
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f.close()
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del f
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f = rnopen(self.filename, 'w')
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f[20] = b'twenty'
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def noRec(f):
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rec = f[15]
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self.assertRaises(KeyError, noRec, f)
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def badKey(f):
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rec = f[b'a string']
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self.assertRaises(TypeError, badKey, f)
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del f[3]
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rec = f.first()
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while rec:
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if verbose:
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print(rec)
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try:
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rec = f.next()
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except KeyError:
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break
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f.close()
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def test04_n_flag(self):
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f = hashopen(self.filename, 'n')
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f.close()
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def do_bthash_test(self, factory, what):
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if verbose:
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print('\nTesting: ', what)
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f = factory(self.filename, 'c')
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if verbose:
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print('creation...')
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# truth test
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if f:
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if verbose: print("truth test: true")
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else:
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if verbose: print("truth test: false")
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f[b'0'] = b''
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f[b'a'] = b'Guido'
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f[b'b'] = b'van'
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f[b'c'] = b'Rossum'
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f[b'd'] = b'invented'
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# 'e' intentionally left out
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f[b'f'] = b'Python'
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if verbose:
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print('%s %s %s' % (f['a'], f['b'], f['c']))
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if verbose:
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print('key ordering...')
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start = f.set_location(f.first()[0])
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if start != (b'0', b''):
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self.fail("incorrect first() result: "+repr(start))
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while 1:
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try:
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rec = f.next()
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except KeyError:
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assert rec == f.last(), 'Error, last != last!'
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f.previous()
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break
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if verbose:
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print(rec)
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assert f.has_key(b'f'), 'Error, missing key!'
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# test that set_location() returns the next nearest key, value
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# on btree databases and raises KeyError on others.
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if factory == btopen:
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e = f.set_location(b'e')
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if e != (b'f', b'Python'):
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self.fail('wrong key,value returned: '+repr(e))
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else:
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try:
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e = f.set_location(b'e')
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except KeyError:
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pass
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else:
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self.fail("set_location on non-existant key did not raise KeyError")
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f.sync()
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f.close()
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# truth test
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try:
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if f:
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if verbose: print("truth test: true")
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else:
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if verbose: print("truth test: false")
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except db.DBError:
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pass
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else:
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self.fail("Exception expected")
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del f
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if verbose:
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print('modification...')
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f = factory(self.filename, 'w')
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f[b'd'] = b'discovered'
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if verbose:
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print('access...')
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for key in f.keys():
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word = f[key]
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if verbose:
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print(word)
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def noRec(f):
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rec = f[b'no such key']
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self.assertRaises(KeyError, noRec, f)
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def badKey(f):
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rec = f[15]
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self.assertRaises(TypeError, badKey, f)
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f.close()
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#----------------------------------------------------------------------
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def test_suite():
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return unittest.makeSuite(CompatibilityTestCase)
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if __name__ == '__main__':
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unittest.main(defaultTest='test_suite')
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