"""Tests for the bsddb185 module.

The file 185test.db found in Lib/test/ is for testing purposes with this

testing suite.

"""

from test.test_support import run_unittest, findfile, import_module

import unittest

bsddb185 = import_module('bsddb185', deprecated=True)

import anydbm

import whichdb

import os

import tempfile

import shutil

class Bsddb185Tests(unittest.TestCase):

    def test_open_existing_hash(self):

        # Verify we can open a file known to be a hash v2 file

        db = bsddb185.hashopen(findfile("185test.db"))

        self.assertEqual(db["1"], "1")

        db.close()

    def test_whichdb(self):

        # Verify that whichdb correctly sniffs the known hash v2 file

        self.assertEqual(whichdb.whichdb(findfile("185test.db")), "bsddb185")

    def test_anydbm_create(self):

        # Verify that anydbm.open does *not* create a bsddb185 file

        tmpdir = tempfile.mkdtemp()

        try:

            dbfile = os.path.join(tmpdir, "foo.db")

            anydbm.open(dbfile, "c").close()

            ftype = whichdb.whichdb(dbfile)

            self.assertNotEqual(ftype, "bsddb185")

        finally:

            shutil.rmtree(tmpdir)

def test_main():

    run_unittest(Bsddb185Tests)

if __name__ == "__main__":

    test_main()