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Python 2.6 one, since the intention is to keep an unified 2.x/3.x codebase. The Python code is automatically translated using "2to3". Please, do not update this code in Python 3.0 by hand. Update the 2.6 one and then do "2to3".
99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
"""TestCases for using the DB.join and DBCursor.join_item methods.
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"""
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import os
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import unittest
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from .test_all import db, dbshelve, test_support, verbose, \
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get_new_environment_path, get_new_database_path
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#----------------------------------------------------------------------
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ProductIndex = [
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('apple', "Convenience Store"),
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('blueberry', "Farmer's Market"),
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('shotgun', "S-Mart"), # Aisle 12
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('pear', "Farmer's Market"),
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('chainsaw', "S-Mart"), # "Shop smart. Shop S-Mart!"
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('strawberry', "Farmer's Market"),
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]
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ColorIndex = [
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('blue', "blueberry"),
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('red', "apple"),
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('red', "chainsaw"),
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('red', "strawberry"),
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('yellow', "peach"),
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('yellow', "pear"),
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('black', "shotgun"),
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]
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class JoinTestCase(unittest.TestCase):
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keytype = ''
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def setUp(self):
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self.filename = self.__class__.__name__ + '.db'
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self.homeDir = get_new_environment_path()
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self.env = db.DBEnv()
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self.env.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL | db.DB_INIT_LOCK )
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def tearDown(self):
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self.env.close()
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test_support.rmtree(self.homeDir)
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def test01_join(self):
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if verbose:
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print('\n', '-=' * 30)
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print("Running %s.test01_join..." % \
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self.__class__.__name__)
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# create and populate primary index
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priDB = db.DB(self.env)
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priDB.open(self.filename, "primary", db.DB_BTREE, db.DB_CREATE)
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list(map(lambda t, priDB=priDB: priDB.put(*t), ProductIndex))
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# create and populate secondary index
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secDB = db.DB(self.env)
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secDB.set_flags(db.DB_DUP | db.DB_DUPSORT)
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secDB.open(self.filename, "secondary", db.DB_BTREE, db.DB_CREATE)
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list(map(lambda t, secDB=secDB: secDB.put(*t), ColorIndex))
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sCursor = None
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jCursor = None
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try:
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# lets look up all of the red Products
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sCursor = secDB.cursor()
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# Don't do the .set() in an assert, or you can get a bogus failure
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# when running python -O
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tmp = sCursor.set('red')
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self.assert_(tmp)
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# FIXME: jCursor doesn't properly hold a reference to its
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# cursors, if they are closed before jcursor is used it
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# can cause a crash.
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jCursor = priDB.join([sCursor])
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if jCursor.get(0) != ('apple', "Convenience Store"):
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self.fail("join cursor positioned wrong")
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if jCursor.join_item() != 'chainsaw':
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self.fail("DBCursor.join_item returned wrong item")
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if jCursor.get(0)[0] != 'strawberry':
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self.fail("join cursor returned wrong thing")
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if jCursor.get(0): # there were only three red items to return
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self.fail("join cursor returned too many items")
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finally:
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if jCursor:
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jCursor.close()
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if sCursor:
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sCursor.close()
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priDB.close()
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secDB.close()
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def test_suite():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(JoinTestCase))
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return suite
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