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