1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
"""
unit tests for module logilab.common.db
"""
import os
import pwd
import socket
from logilab.common.testlib import TestCase, unittest_main
from logilab.common.db import *
from logilab.common.db import PREFERED_DRIVERS
from logilab.common.adbh import (_GenericAdvFuncHelper, _SqliteAdvFuncHelper,
_PGAdvFuncHelper, _MyAdvFuncHelper,
FunctionDescr, get_adv_func_helper,
auto_register_function)
def getlogin():
"""avoid usinng os.getlogin() because of strange tty / stdin problems
(man 3 getlogin)
Another solution would be to use $LOGNAME, $USER or $USERNAME
"""
return pwd.getpwuid(os.getuid())[0]
class PreferedDriverTC(TestCase):
def setUp(self):
self.drivers = {"pg":[('foo', None), ('bar', None)]}
self.drivers = {'pg' : ["foo", "bar"]}
def testNormal(self):
set_prefered_driver('pg','bar', self.drivers)
self.assertEquals('bar', self.drivers['pg'][0])
def testFailuresDb(self):
try:
set_prefered_driver('oracle','bar', self.drivers)
self.fail()
except UnknownDriver, exc:
self.assertEquals(exc.args[0], 'Unknown database oracle')
def testFailuresDriver(self):
try:
set_prefered_driver('pg','baz', self.drivers)
self.fail()
except UnknownDriver, exc:
self.assertEquals(exc.args[0], 'Unknown module baz for pg')
def testGlobalVar(self):
# XXX: Is this test supposed to be useful ? Is it supposed to test
# set_prefered_driver ?
old_drivers = PREFERED_DRIVERS['postgres'][:]
expected = old_drivers[:]
expected.insert(0, expected.pop(expected.index('pgdb')))
set_prefered_driver('postgres', 'pgdb')
self.assertEquals(PREFERED_DRIVERS['postgres'], expected)
set_prefered_driver('postgres', 'psycopg')
# self.assertEquals(PREFERED_DRIVERS['postgres'], old_drivers)
expected.insert(0, expected.pop(expected.index('psycopg')))
self.assertEquals(PREFERED_DRIVERS['postgres'], expected)
class GetCnxTC(TestCase):
def setUp(self):
try:
socket.gethostbyname('hercules')
except:
self.skip("those tests require specific DB configuration")
self.host = 'hercules'
self.db = 'template1'
self.user = getlogin()
self.passwd = getlogin()
def testPsyco(self):
set_prefered_driver('postgres', 'psycopg')
try:
cnx = get_connection('postgres',
self.host, self.db, self.user, self.passwd,
quiet=1)
except ImportError:
self.skip('python-psycopg is not installed')
def testPgdb(self):
set_prefered_driver('postgres', 'pgdb')
try:
cnx = get_connection('postgres',
self.host, self.db, self.user, self.passwd,
quiet=1)
except ImportError:
self.skip('python-pgsql is not installed')
def testPgsql(self):
set_prefered_driver('postgres', 'pyPgSQL.PgSQL')
try:
cnx = get_connection('postgres',
self.host, self.db, self.user, self.passwd,
quiet=1)
except ImportError:
self.skip('python-pygresql is not installed')
def testMysql(self):
set_prefered_driver('mysql', 'MySQLdb')
try:
cnx = get_connection('mysql', self.host, database='', user='root',
quiet=1)
except ImportError:
self.skip('python-mysqldb is not installed')
except Exception, ex:
# no mysql running ?
import MySQLdb
if isinstance(ex, MySQLdb.OperationalError):
if ex.args[0] == 1045: # find MysqlDb
self.skip('mysql test requires a specific configuration')
elif ex.args[0] != 2003:
raise
raise
def test_connection_wrap(self):
"""Tests the connection wrapping"""
try:
cnx = get_connection('postgres',
self.host, self.db, self.user, self.passwd,
quiet=1)
except ImportError:
self.skip('postgresql dbapi module not installed')
self.failIf(isinstance(cnx, PyConnection),
'cnx should *not* be a PyConnection instance')
cnx = get_connection('postgres',
self.host, self.db, self.user, self.passwd,
quiet=1, pywrap = True)
self.failUnless(isinstance(cnx, PyConnection),
'cnx should be a PyConnection instance')
def test_cursor_wrap(self):
"""Tests cursor wrapping"""
try:
cnx = get_connection('postgres',
self.host, self.db, self.user, self.passwd,
quiet=1, pywrap = True)
except ImportError:
self.skip('postgresql dbapi module not installed')
cursor = cnx.cursor()
self.failUnless(isinstance(cursor, PyCursor),
'cnx should be a PyCursor instance')
class DBAPIAdaptersTC(TestCase):
"""Tests DbApi adapters management"""
def setUp(self):
"""Memorize original PREFERED_DRIVERS"""
self.old_drivers = PREFERED_DRIVERS['postgres'][:]
self.base_functions = dict(_GenericAdvFuncHelper.FUNCTIONS)
self.host = 'crater.logilab.fr'
self.db = 'gincotest2'
self.user = 'adim'
self.passwd = 'adim'
def tearDown(self):
"""Reset PREFERED_DRIVERS as it was"""
PREFERED_DRIVERS['postgres'] = self.old_drivers
_GenericAdvFuncHelper.FUNCTIONS = self.base_functions
_PGAdvFuncHelper.FUNCTIONS = dict(self.base_functions)
_MyAdvFuncHelper.FUNCTIONS = dict(self.base_functions)
_SqliteAdvFuncHelper.FUNCTIONS = dict(self.base_functions)
def test_raise(self):
self.assertRaises(UnknownDriver, get_dbapi_compliant_module, 'pougloup')
def test_pgdb_types(self):
"""Tests that NUMBER really wraps all number types"""
PREFERED_DRIVERS['postgres'] = ['pgdb']
#set_prefered_driver('postgres', 'pgdb')
try:
module = get_dbapi_compliant_module('postgres')
except ImportError:
self.skip('postgresql pgdb module not installed')
number_types = ('int2', 'int4', 'serial',
'int8', 'float4', 'float8',
'numeric', 'bool', 'money', 'decimal')
for num_type in number_types:
yield self.assertEquals, num_type, module.NUMBER
yield self.assertNotEquals, 'char', module.NUMBER
def test_pypgsql_getattr(self):
"""Tests the getattr() delegation for pyPgSQL"""
set_prefered_driver('postgres', 'pyPgSQL.PgSQL')
try:
module = get_dbapi_compliant_module('postgres')
except ImportError:
self.skip('postgresql dbapi module not installed')
try:
binary = module.BINARY
except AttributeError, err:
raise
self.fail(str(err))
def test_adv_func_helper(self):
try:
module = get_dbapi_compliant_module('postgres')
except ImportError:
self.skip('postgresql dbapi module not installed')
self.failUnless(isinstance(module.adv_func_helper, _PGAdvFuncHelper))
try:
module = get_dbapi_compliant_module('sqlite')
except ImportError:
self.skip('sqlite dbapi module not installed')
self.failUnless(isinstance(module.adv_func_helper, _SqliteAdvFuncHelper))
def test_auto_register_funcdef(self):
class MYFUNC(FunctionDescr):
supported_backends = ('postgres', 'sqlite',)
name_mapping = {'postgres': 'MYFUNC',
'mysql': 'MYF',
'sqlite': 'SQLITE_MYFUNC'}
auto_register_function(MYFUNC)
pghelper = get_adv_func_helper('postgres')
mshelper = get_adv_func_helper('mysql')
slhelper = get_adv_func_helper('sqlite')
self.failUnless('MYFUNC' in pghelper.FUNCTIONS)
self.failUnless('MYFUNC' in slhelper.FUNCTIONS)
self.failIf('MYFUNC' in mshelper.FUNCTIONS)
def test_funcname_with_different_backend_names(self):
class MYFUNC(FunctionDescr):
supported_backends = ('postgres', 'mysql', 'sqlite')
name_mapping = {'postgres': 'MYFUNC',
'mysql': 'MYF',
'sqlite': 'SQLITE_MYFUNC'}
auto_register_function(MYFUNC)
pghelper = get_adv_func_helper('postgres')
mshelper = get_adv_func_helper('mysql')
slhelper = get_adv_func_helper('sqlite')
self.assertEquals(pghelper.func_sqlname('MYFUNC'), 'MYFUNC')
self.assertEquals(mshelper.func_sqlname('MYFUNC'), 'MYF')
self.assertEquals(slhelper.func_sqlname('MYFUNC'), 'SQLITE_MYFUNC')
if __name__ == '__main__':
unittest_main()
|
