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
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
|
"""DB test"""
import importlib
import os
import unittest
import web
def try_import(name):
try:
return importlib.import_module(name)
except ImportError:
return None
def requires_module(name):
module = try_import(name)
# this doesn't seem to be working. The simple decorator below seems to be working.
# return pytest.mark.skipif(module is None, reason="requires {} module".format(name))
def decorator(cls):
if module:
return cls
else:
class Foo:
pass
print(
"skipping all tests from {} as {} module is not found".format(
cls.__name__, name
)
)
return Foo
return decorator
def setup_database(dbname, driver=None, pooling=False):
if dbname == "sqlite":
db = web.database(dbn=dbname, db="webpy.db", pooling=pooling, driver=driver)
elif dbname == "postgres":
db = web.database(
dbn=dbname,
host=os.getenv("WEBPY_DB_HOST", "localhost"),
port=int(os.getenv("WEBPY_DB_PG_PORT", 5432)),
db=os.getenv("WEBPY_DB_NAME", "webpy"),
user=os.getenv("WEBPY_DB_USER", os.getenv("USER")),
pw=os.getenv("WEBPY_DB_PASSWORD", ""),
pooling=pooling,
driver=driver,
)
else:
db = web.database(
dbn=dbname,
host=os.getenv("WEBPY_DB_HOST", "localhost"),
port=int(os.getenv("WEBPY_DB_MYSQL_PORT", 3306)),
db=os.getenv("WEBPY_DB_NAME", "webpy"),
user=os.getenv("WEBPY_DB_USER", os.getenv("USER")),
pw=os.getenv("WEBPY_DB_PASSWORD", ""),
pooling=pooling,
driver=driver,
)
db.printing = True
return db
class DBTest(unittest.TestCase):
dbname = "postgres"
driver = None
def setUp(self):
self.db = setup_database(self.dbname, driver=self.driver)
self.db.query("DROP TABLE IF EXISTS person")
self.db.query("CREATE TABLE person (name text, email text, active boolean)")
def tearDown(self):
self.db.query("DROP TABLE IF EXISTS person")
self.db.query("DROP TABLE IF EXISTS mi")
self.db.ctx.db.close()
def _testable(self):
try:
setup_database(self.dbname, driver=self.driver)
print("Running tests for %s" % self.__class__.__name__, file=web.debug)
return True
except ImportError as e:
print(str(e), "(ignoring %s)" % self.__class__.__name__, file=web.debug)
return False
def testUnicode(self):
# Bug#177265: unicode queries throw errors
self.db.select("person", where="name=$name", vars={"name": u"\xf4"})
def assertRows(self, n):
result = self.db.select("person")
self.assertEqual(len(list(result)), n)
def testCommit(self):
t = self.db.transaction()
self.db.insert("person", False, name="user1")
t.commit()
t = self.db.transaction()
self.db.insert("person", False, name="user2")
self.db.insert("person", False, name="user3")
t.commit()
self.assertRows(3)
def testRollback(self):
t = self.db.transaction()
self.db.insert("person", False, name="user1")
self.db.insert("person", False, name="user2")
self.db.insert("person", False, name="user3")
t.rollback()
self.assertRows(0)
def testWrongQuery(self):
# It should be possible to run a correct query after getting an error from a wrong query.
try:
self.db.select("notthere")
except:
pass
self.db.select("person")
def testNestedTransactions(self):
t1 = self.db.transaction()
self.db.insert("person", False, name="user1")
self.assertRows(1)
t2 = self.db.transaction()
self.db.insert("person", False, name="user2")
self.assertRows(2)
t2.rollback()
self.assertRows(1)
t3 = self.db.transaction()
self.db.insert("person", False, name="user3")
self.assertRows(2)
t3.commit()
t1.commit()
self.assertRows(2)
def testPooling(self):
# can't test pooling if DBUtils is not installed
try:
import DBUtils # noqa
except ImportError:
return
db = setup_database(self.dbname, pooling=True)
try:
self.assertEqual(db.ctx.db.__class__.__module__, "DBUtils.PooledDB")
db.select("person", limit=1)
finally:
db.ctx.db.close()
def test_multiple_insert(self):
db = self.db
db.multiple_insert("person", [dict(name="a"), dict(name="b")], seqname=False)
assert db.select("person", where="name='a'").list()
assert db.select("person", where="name='b'").list()
# Create table `mi`
if self.driver in web.db.pg_drivers:
db.query("CREATE TABLE mi (id SERIAL PRIMARY KEY, v VARCHAR(5))")
elif self.driver in web.db.mysql_drivers:
self.db.query(
"CREATE TABLE mi (id INT(10) UNSIGNED AUTO_INCREMENT, v VARCHAR(5), PRIMARY KEY (`id`))"
)
elif self.driver in web.db.sqlite_drivers:
self.db.query(
"CREATE TABLE mi (id INTEGER PRIMARY KEY NOT NULL, v VARCHAR(5))"
)
# Insert rows and verify returned row id.
if (
self.driver
in web.db.pg_drivers + web.db.mysql_drivers + web.db.sqlite_drivers
):
values = [{"v": "a"}, {"v": "b"}, {"v": "c"}]
ids = db.multiple_insert("mi", values)
# `psycopg2` returns `range(1, 4)` instead of `[1, 2, 3]` on Python-3.
assert list(ids) == [1, 2, 3]
ids = db.multiple_insert("mi", values)
assert list(ids) == [4, 5, 6]
def test_result_is_true(self):
self.db.insert("person", False, name="user")
self.assertEqual(bool(self.db.select("person")), True)
def testBoolean(self):
def t(active):
name = "name-%s" % active
self.db.insert("person", False, name=name, active=active)
a = self.db.select("person", where="name=$name", vars=locals())[0].active
self.assertEqual(a, active)
t(False)
t(True)
def test_insert_default_values(self):
self.db.insert("person")
def test_where(self):
self.db.insert("person", False, name="Foo")
d = self.db.where("person", name="Foo").list()
assert len(d) == 1
d = self.db.where("person").list()
assert len(d) == 1
@requires_module("psycopg2")
class PostgresTest2(DBTest):
dbname = "postgres"
driver = "psycopg2"
def setUp(self):
super().setUp()
self.db.query("DROP TABLE IF EXISTS post")
self.db.query(
"create table post (id serial primary key, title text, body text)"
)
def tearDown(self):
self.db.query("DROP TABLE IF EXISTS post")
super().tearDown()
def test_limit_with_unsafe_value(self):
db = self.db
db.insert("person", False, name="Foo")
assert len(db.select("person").list()) == 1
try:
db.select("person", limit="1; DELETE FROM person;")
except db.db_module.Error:
# It is alright if the db engine rejects this query
pass
assert len(db.select("person").list()) == 1
def test_offset_with_unsafe_value(self):
db = self.db
db.insert("person", False, name="Foo")
assert len(db.select("person").list()) == 1
try:
db.select("person", offset="1; DELETE FROM person;")
except db.db_module.Error:
# It is alright if the db engine rejects this query
pass
assert len(db.select("person").list()) == 1
def test_insert_returning(self):
db = self.db
row = db.query(
"insert into post (title, body) values ('foo', 'bar') returning *"
).first()
assert row.title == "foo"
assert row.id is not None
# create a new connection to the db
db = setup_database(self.dbname, driver=self.driver)
row = db.select("post").first()
assert row is not None
assert row.title == "foo"
@requires_module("sqlite3")
class SqliteTest(DBTest):
dbname = "sqlite"
driver = "sqlite3"
def testNestedTransactions(self):
# nested transactions does not work with sqlite
pass
def testPooling(self):
# pooling is not support for sqlite
pass
@requires_module("pysqlite2.dbapi2")
class SqliteTest_pysqlite2(SqliteTest):
driver = "pysqlite2.dbapi2"
@requires_module("MySQLdb")
class MySQLTest_MySQLdb(DBTest):
dbname = "mysql"
driver = "MySQLdb"
def setUp(self):
self.db = setup_database(self.dbname, driver=self.driver)
# In mysql, transactions are supported only with INNODB engine.
self.db.query("CREATE TABLE person (name text, email text) ENGINE=INNODB")
def testBoolean(self):
# boolean datatype is not supported in MySQL (at least until v5.0)
pass
@requires_module("pymysql")
class MySQLTest_PYMYSQL(DBTest):
dbname = "mysql"
driver = "pymysql"
def setUp(self):
self.db = setup_database(self.dbname, driver=self.driver)
# In mysql, transactions are supported only with INNODB engine.
self.db.query("CREATE TABLE person (name text, email text) ENGINE=INNODB")
def testBoolean(self):
# boolean datatype is not supported in MySQL (at least until v5.0)
pass
@requires_module("mysql.connector")
class MySQLTest_MySQLConnector(MySQLTest_PYMYSQL):
driver = "mysql.connector"
del DBTest
|
