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from __future__ import absolute_import
import py, os
from rpython.tool.udir import udir
try:
from lib_pypy import dbm
except ImportError as e:
py.test.skip(e)
import sys
if '__pypy__' not in sys.builtin_module_names:
skip("lib_pypy.dbm requires PyPy's ctypes")
def test_get():
path = str(udir.join('test_dbm_extra.test_get'))
d = dbm.open(path, 'c')
x = d.get("42")
assert x is None
d.close()
def test_delitem():
path = str(udir.join('test_dbm_extra.test_delitem'))
d = dbm.open(path, 'c')
py.test.raises(KeyError, "del d['xyz']")
def test_nonstring():
path = str(udir.join('test_dbm_extra.test_nonstring'))
d = dbm.open(path, 'c')
py.test.raises(TypeError, "d[123] = 'xyz'")
py.test.raises(TypeError, "d['xyz'] = 123")
py.test.raises(TypeError, "d['xyz'] = None")
py.test.raises(TypeError, "del d[123]")
py.test.raises(TypeError, "d[123]")
py.test.raises(TypeError, "123 in d")
py.test.raises(TypeError, "d.has_key(123)")
py.test.raises(TypeError, "d.setdefault(123, 'xyz')")
py.test.raises(TypeError, "d.setdefault('xyz', 123)")
py.test.raises(TypeError, "d.get(123)")
assert dict(d) == {}
d.setdefault('xyz', '123')
assert dict(d) == {'xyz': '123'}
d.close()
def test_multiple_sets():
path = str(udir.join('test_dbm_extra.test_multiple_sets'))
d = dbm.open(path, 'c')
d['xyz'] = '12'
d['xyz'] = '3'
d['xyz'] = '546'
assert dict(d) == {'xyz': '546'}
assert d['xyz'] == '546'
def test_extra():
py.test.raises(TypeError, dbm.datum, 123)
py.test.raises(TypeError, dbm.datum, False)
def test_null():
db = dbm.open('test', 'c')
db['1'] = 'a\x00b'
db.close()
db = dbm.open('test', 'r')
assert db['1'] == 'a\x00b'
db.close()
def test_key_with_empty_value():
# this test fails on CPython too (at least on tannit), and the
# case shows up when gdbm is not installed and test_anydbm.py
# falls back dbm.
py.test.skip("test may fail on CPython too")
path = str(udir.join('test_dbm_extra.test_key_with_empty_value'))
d = dbm.open(path, 'c')
assert 'key_with_empty_value' not in d
d['key_with_empty_value'] = ''
assert 'key_with_empty_value' in d
assert d['key_with_empty_value'] == ''
d.close()
def test_unicode_filename():
path = str(udir) + os.sep + u'test_dbm_extra.test_unicode_filename'
d = dbm.open(path, 'c')
d.close()
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