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author | Gregory P. Smith <greg@mad-scientist.com> | 2003-10-01 06:48:51 (GMT) |
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committer | Gregory P. Smith <greg@mad-scientist.com> | 2003-10-01 06:48:51 (GMT) |
commit | be0db8b125951adb475fc388de9aebabcabbf6e3 (patch) | |
tree | dbfbc01617f45a987f58a809d9784ed8974c8cd7 /Lib/bsddb | |
parent | efb3a161c3636c121261c4334ce151ef5d51418e (diff) | |
download | cpython-be0db8b125951adb475fc388de9aebabcabbf6e3.zip cpython-be0db8b125951adb475fc388de9aebabcabbf6e3.tar.gz cpython-be0db8b125951adb475fc388de9aebabcabbf6e3.tar.bz2 |
bsddb3 4.2.2, adds DBCursor.get_current_size() method to return the length
of the current value without reading the value itself.
Diffstat (limited to 'Lib/bsddb')
-rw-r--r-- | Lib/bsddb/test/test_basics.py | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/Lib/bsddb/test/test_basics.py b/Lib/bsddb/test/test_basics.py index 2e6b922..93a7fb7 100644 --- a/Lib/bsddb/test/test_basics.py +++ b/Lib/bsddb/test/test_basics.py @@ -49,6 +49,8 @@ class BasicTestCase(unittest.TestCase): envflags = 0 envsetflags = 0 + _numKeys = 1002 # PRIVATE. NOTE: must be an even value + def setUp(self): if self.useEnv: homeDir = os.path.join(os.path.dirname(sys.argv[0]), 'db_home') @@ -106,17 +108,23 @@ class BasicTestCase(unittest.TestCase): - def populateDB(self): + def populateDB(self, _txn=None): d = self.d - for x in range(500): - key = '%04d' % (1000 - x) # insert keys in reverse order + + for x in range(self._numKeys/2): + key = '%04d' % (self._numKeys - x) # insert keys in reverse order data = self.makeData(key) - d.put(key, data) + d.put(key, data, _txn) - for x in range(500): + d.put('empty value', '', _txn) + + for x in range(self._numKeys/2-1): key = '%04d' % x # and now some in forward order data = self.makeData(key) - d.put(key, data) + d.put(key, data, _txn) + + if _txn: + _txn.commit() num = len(d) if verbose: @@ -236,20 +244,20 @@ class BasicTestCase(unittest.TestCase): if verbose: print data - assert len(d) == 1000 + assert len(d) == self._numKeys keys = d.keys() - assert len(keys) == 1000 + assert len(keys) == self._numKeys assert type(keys) == type([]) d['new record'] = 'a new record' - assert len(d) == 1001 + assert len(d) == self._numKeys+1 keys = d.keys() - assert len(keys) == 1001 + assert len(keys) == self._numKeys+1 d['new record'] = 'a replacement record' - assert len(d) == 1001 + assert len(d) == self._numKeys+1 keys = d.keys() - assert len(keys) == 1001 + assert len(keys) == self._numKeys+1 if verbose: print "the first 10 keys are:" @@ -261,7 +269,7 @@ class BasicTestCase(unittest.TestCase): assert d.has_key('spam') == 0 items = d.items() - assert len(items) == 1001 + assert len(items) == self._numKeys+1 assert type(items) == type([]) assert type(items[0]) == type(()) assert len(items[0]) == 2 @@ -271,7 +279,7 @@ class BasicTestCase(unittest.TestCase): pprint(items[:10]) values = d.values() - assert len(values) == 1001 + assert len(values) == self._numKeys+1 assert type(values) == type([]) if verbose: @@ -293,7 +301,7 @@ class BasicTestCase(unittest.TestCase): else: txn = None c = self.d.cursor(txn=txn) - + rec = c.first() count = 0 while rec is not None: @@ -309,8 +317,9 @@ class BasicTestCase(unittest.TestCase): rec = None else: self.fail("unexpected DBNotFoundError") - - assert count == 1000 + assert c.get_current_size() == len(c.current()[1]), "%s != len(%r)" % (c.get_current_size(), c.current()[1]) + + assert count == self._numKeys rec = c.last() @@ -329,14 +338,20 @@ class BasicTestCase(unittest.TestCase): else: self.fail("unexpected DBNotFoundError") - assert count == 1000 + assert count == self._numKeys rec = c.set('0505') rec2 = c.current() assert rec == rec2 assert rec[0] == '0505' assert rec[1] == self.makeData('0505') + assert c.get_current_size() == len(rec[1]) + # make sure we get empty values properly + rec = c.set('empty value') + assert rec[1] == '' + assert c.get_current_size() == 0 + try: n = c.set('bad key') except db.DBNotFoundError, val: @@ -575,23 +590,8 @@ class BasicTransactionTestCase(BasicTestCase): def populateDB(self): - d = self.d txn = self.env.txn_begin() - for x in range(500): - key = '%04d' % (1000 - x) # insert keys in reverse order - data = self.makeData(key) - d.put(key, data, txn) - - for x in range(500): - key = '%04d' % x # and now some in forward order - data = self.makeData(key) - d.put(key, data, txn) - - txn.commit() - - num = len(d) - if verbose: - print "created %d records" % num + BasicTestCase.populateDB(self, _txn=txn) self.txn = self.env.txn_begin() @@ -626,7 +626,7 @@ class BasicTransactionTestCase(BasicTestCase): if verbose and count % 100 == 0: print rec rec = c.next() - assert count == 1001 + assert count == self._numKeys+1 c.close() # Cursors *MUST* be closed before commit! self.txn.commit() @@ -855,7 +855,7 @@ class BasicMultiDBTestCase(BasicTestCase): if verbose and (count % 50) == 0: print rec rec = c1.next() - assert count == 1000 + assert count == self._numKeys count = 0 rec = c2.first() |