symbian-qemu-0.9.1-12/python-2.6.1/Lib/bsddb/test/test_dbshelve.py
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/bsddb/test/test_dbshelve.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,385 @@
+"""
+TestCases for checking dbShelve objects.
+"""
+
+import os, string
+import random
+import unittest
+
+
+from test_all import db, dbshelve, test_support, verbose, \
+        get_new_environment_path, get_new_database_path
+
+
+
+#----------------------------------------------------------------------
+
+# We want the objects to be comparable so we can test dbshelve.values
+# later on.
+class DataClass:
+    def __init__(self):
+        self.value = random.random()
+
+    def __repr__(self) :  # For Python 3.0 comparison
+        return "DataClass %f" %self.value
+
+    def __cmp__(self, other):  # For Python 2.x comparison
+        return cmp(self.value, other)
+
+
+class DBShelveTestCase(unittest.TestCase):
+    def setUp(self):
+        import sys
+        if sys.version_info[0] >= 3 :
+            from test_all import do_proxy_db_py3k
+            self._flag_proxy_db_py3k = do_proxy_db_py3k(False)
+        self.filename = get_new_database_path()
+        self.do_open()
+
+    def tearDown(self):
+        import sys
+        if sys.version_info[0] >= 3 :
+            from test_all import do_proxy_db_py3k
+            do_proxy_db_py3k(self._flag_proxy_db_py3k)
+        self.do_close()
+        test_support.unlink(self.filename)
+
+    def mk(self, key):
+        """Turn key into an appropriate key type for this db"""
+        # override in child class for RECNO
+        import sys
+        if sys.version_info[0] < 3 :
+            return key
+        else :
+            return bytes(key, "iso8859-1")  # 8 bits
+
+    def populateDB(self, d):
+        for x in string.letters:
+            d[self.mk('S' + x)] = 10 * x           # add a string
+            d[self.mk('I' + x)] = ord(x)           # add an integer
+            d[self.mk('L' + x)] = [x] * 10         # add a list
+
+            inst = DataClass()            # add an instance
+            inst.S = 10 * x
+            inst.I = ord(x)
+            inst.L = [x] * 10
+            d[self.mk('O' + x)] = inst
+
+
+    # overridable in derived classes to affect how the shelf is created/opened
+    def do_open(self):
+        self.d = dbshelve.open(self.filename)
+
+    # and closed...
+    def do_close(self):
+        self.d.close()
+
+
+
+    def test01_basics(self):
+        if verbose:
+            print '\n', '-=' * 30
+            print "Running %s.test01_basics..." % self.__class__.__name__
+
+        self.populateDB(self.d)
+        self.d.sync()
+        self.do_close()
+        self.do_open()
+        d = self.d
+
+        l = len(d)
+        k = d.keys()
+        s = d.stat()
+        f = d.fd()
+
+        if verbose:
+            print "length:", l
+            print "keys:", k
+            print "stats:", s
+
+        self.assertEqual(0, d.has_key(self.mk('bad key')))
+        self.assertEqual(1, d.has_key(self.mk('IA')))
+        self.assertEqual(1, d.has_key(self.mk('OA')))
+
+        d.delete(self.mk('IA'))
+        del d[self.mk('OA')]
+        self.assertEqual(0, d.has_key(self.mk('IA')))
+        self.assertEqual(0, d.has_key(self.mk('OA')))
+        self.assertEqual(len(d), l-2)
+
+        values = []
+        for key in d.keys():
+            value = d[key]
+            values.append(value)
+            if verbose:
+                print "%s: %s" % (key, value)
+            self.checkrec(key, value)
+
+        dbvalues = d.values()
+        self.assertEqual(len(dbvalues), len(d.keys()))
+        import sys
+        if sys.version_info[0] < 3 :
+            values.sort()
+            dbvalues.sort()
+            self.assertEqual(values, dbvalues)
+        else :  # XXX: Convert all to strings. Please, improve
+            values.sort(key=lambda x : str(x))
+            dbvalues.sort(key=lambda x : str(x))
+            self.assertEqual(repr(values), repr(dbvalues))
+
+        items = d.items()
+        self.assertEqual(len(items), len(values))
+
+        for key, value in items:
+            self.checkrec(key, value)
+
+        self.assertEqual(d.get(self.mk('bad key')), None)
+        self.assertEqual(d.get(self.mk('bad key'), None), None)
+        self.assertEqual(d.get(self.mk('bad key'), 'a string'), 'a string')
+        self.assertEqual(d.get(self.mk('bad key'), [1, 2, 3]), [1, 2, 3])
+
+        d.set_get_returns_none(0)
+        self.assertRaises(db.DBNotFoundError, d.get, self.mk('bad key'))
+        d.set_get_returns_none(1)
+
+        d.put(self.mk('new key'), 'new data')
+        self.assertEqual(d.get(self.mk('new key')), 'new data')
+        self.assertEqual(d[self.mk('new key')], 'new data')
+
+
+
+    def test02_cursors(self):
+        if verbose:
+            print '\n', '-=' * 30
+            print "Running %s.test02_cursors..." % self.__class__.__name__
+
+        self.populateDB(self.d)
+        d = self.d
+
+        count = 0
+        c = d.cursor()
+        rec = c.first()
+        while rec is not None:
+            count = count + 1
+            if verbose:
+                print rec
+            key, value = rec
+            self.checkrec(key, value)
+            # Hack to avoid conversion by 2to3 tool
+            rec = getattr(c, "next")()
+        del c
+
+        self.assertEqual(count, len(d))
+
+        count = 0
+        c = d.cursor()
+        rec = c.last()
+        while rec is not None:
+            count = count + 1
+            if verbose:
+                print rec
+            key, value = rec
+            self.checkrec(key, value)
+            rec = c.prev()
+
+        self.assertEqual(count, len(d))
+
+        c.set(self.mk('SS'))
+        key, value = c.current()
+        self.checkrec(key, value)
+        del c
+
+
+    def test03_append(self):
+        # NOTE: this is overridden in RECNO subclass, don't change its name.
+        if verbose:
+            print '\n', '-=' * 30
+            print "Running %s.test03_append..." % self.__class__.__name__
+
+        self.assertRaises(dbshelve.DBShelveError,
+                          self.d.append, 'unit test was here')
+
+
+    def checkrec(self, key, value):
+        # override this in a subclass if the key type is different
+
+        import sys
+        if sys.version_info[0] >= 3 :
+            if isinstance(key, bytes) :
+                key = key.decode("iso8859-1")  # 8 bits
+
+        x = key[1]
+        if key[0] == 'S':
+            self.assertEqual(type(value), str)
+            self.assertEqual(value, 10 * x)
+
+        elif key[0] == 'I':
+            self.assertEqual(type(value), int)
+            self.assertEqual(value, ord(x))
+
+        elif key[0] == 'L':
+            self.assertEqual(type(value), list)
+            self.assertEqual(value, [x] * 10)
+
+        elif key[0] == 'O':
+            import sys
+            if sys.version_info[0] < 3 :
+                from types import InstanceType
+                self.assertEqual(type(value), InstanceType)
+            else :
+                self.assertEqual(type(value), DataClass)
+
+            self.assertEqual(value.S, 10 * x)
+            self.assertEqual(value.I, ord(x))
+            self.assertEqual(value.L, [x] * 10)
+
+        else:
+            self.assert_(0, 'Unknown key type, fix the test')
+
+#----------------------------------------------------------------------
+
+class BasicShelveTestCase(DBShelveTestCase):
+    def do_open(self):
+        self.d = dbshelve.DBShelf()
+        self.d.open(self.filename, self.dbtype, self.dbflags)
+
+    def do_close(self):
+        self.d.close()
+
+
+class BTreeShelveTestCase(BasicShelveTestCase):
+    dbtype = db.DB_BTREE
+    dbflags = db.DB_CREATE
+
+
+class HashShelveTestCase(BasicShelveTestCase):
+    dbtype = db.DB_HASH
+    dbflags = db.DB_CREATE
+
+
+class ThreadBTreeShelveTestCase(BasicShelveTestCase):
+    dbtype = db.DB_BTREE
+    dbflags = db.DB_CREATE | db.DB_THREAD
+
+
+class ThreadHashShelveTestCase(BasicShelveTestCase):
+    dbtype = db.DB_HASH
+    dbflags = db.DB_CREATE | db.DB_THREAD
+
+
+#----------------------------------------------------------------------
+
+class BasicEnvShelveTestCase(DBShelveTestCase):
+    def do_open(self):
+        self.env = db.DBEnv()
+        self.env.open(self.homeDir,
+                self.envflags | db.DB_INIT_MPOOL | db.DB_CREATE)
+
+        self.filename = os.path.split(self.filename)[1]
+        self.d = dbshelve.DBShelf(self.env)
+        self.d.open(self.filename, self.dbtype, self.dbflags)
+
+
+    def do_close(self):
+        self.d.close()
+        self.env.close()
+
+
+    def setUp(self) :
+        self.homeDir = get_new_environment_path()
+        DBShelveTestCase.setUp(self)
+
+    def tearDown(self):
+        import sys
+        if sys.version_info[0] >= 3 :
+            from test_all import do_proxy_db_py3k
+            do_proxy_db_py3k(self._flag_proxy_db_py3k)
+        self.do_close()
+        test_support.rmtree(self.homeDir)
+
+
+class EnvBTreeShelveTestCase(BasicEnvShelveTestCase):
+    envflags = 0
+    dbtype = db.DB_BTREE
+    dbflags = db.DB_CREATE
+
+
+class EnvHashShelveTestCase(BasicEnvShelveTestCase):
+    envflags = 0
+    dbtype = db.DB_HASH
+    dbflags = db.DB_CREATE
+
+
+class EnvThreadBTreeShelveTestCase(BasicEnvShelveTestCase):
+    envflags = db.DB_THREAD
+    dbtype = db.DB_BTREE
+    dbflags = db.DB_CREATE | db.DB_THREAD
+
+
+class EnvThreadHashShelveTestCase(BasicEnvShelveTestCase):
+    envflags = db.DB_THREAD
+    dbtype = db.DB_HASH
+    dbflags = db.DB_CREATE | db.DB_THREAD
+
+
+#----------------------------------------------------------------------
+# test cases for a DBShelf in a RECNO DB.
+
+class RecNoShelveTestCase(BasicShelveTestCase):
+    dbtype = db.DB_RECNO
+    dbflags = db.DB_CREATE
+
+    def setUp(self):
+        BasicShelveTestCase.setUp(self)
+
+        # pool to assign integer key values out of
+        self.key_pool = list(range(1, 5000))
+        self.key_map = {}     # map string keys to the number we gave them
+        self.intkey_map = {}  # reverse map of above
+
+    def mk(self, key):
+        if key not in self.key_map:
+            self.key_map[key] = self.key_pool.pop(0)
+            self.intkey_map[self.key_map[key]] = key
+        return self.key_map[key]
+
+    def checkrec(self, intkey, value):
+        key = self.intkey_map[intkey]
+        BasicShelveTestCase.checkrec(self, key, value)
+
+    def test03_append(self):
+        if verbose:
+            print '\n', '-=' * 30
+            print "Running %s.test03_append..." % self.__class__.__name__
+
+        self.d[1] = 'spam'
+        self.d[5] = 'eggs'
+        self.assertEqual(6, self.d.append('spam'))
+        self.assertEqual(7, self.d.append('baked beans'))
+        self.assertEqual('spam', self.d.get(6))
+        self.assertEqual('spam', self.d.get(1))
+        self.assertEqual('baked beans', self.d.get(7))
+        self.assertEqual('eggs', self.d.get(5))
+
+
+#----------------------------------------------------------------------
+
+def test_suite():
+    suite = unittest.TestSuite()
+
+    suite.addTest(unittest.makeSuite(DBShelveTestCase))
+    suite.addTest(unittest.makeSuite(BTreeShelveTestCase))
+    suite.addTest(unittest.makeSuite(HashShelveTestCase))
+    suite.addTest(unittest.makeSuite(ThreadBTreeShelveTestCase))
+    suite.addTest(unittest.makeSuite(ThreadHashShelveTestCase))
+    suite.addTest(unittest.makeSuite(EnvBTreeShelveTestCase))
+    suite.addTest(unittest.makeSuite(EnvHashShelveTestCase))
+    suite.addTest(unittest.makeSuite(EnvThreadBTreeShelveTestCase))
+    suite.addTest(unittest.makeSuite(EnvThreadHashShelveTestCase))
+    suite.addTest(unittest.makeSuite(RecNoShelveTestCase))
+
+    return suite
+
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='test_suite')