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#-*- coding: ISO-8859-1 -*-
# pysqlite2/test/dbapi.py: tests for DB-API compliance
#
# Copyright (C) 2004-2005 Gerhard Häring <gh@ghaering.de>
#
# This file is part of pysqlite.
#
# This software is provided 'as-is', without any express or implied
# warranty. In no event will the authors be held liable for any damages
# arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
# claim that you wrote the original software. If you use this software
# in a product, an acknowledgment in the product documentation would be
# appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
# misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
import unittest
import threading
import sqlite3 as sqlite
class ModuleTests(unittest.TestCase):
def CheckAPILevel(self):
self.assertEqual(sqlite.apilevel, "2.0",
"apilevel is %s, should be 2.0" % sqlite.apilevel)
def CheckThreadSafety(self):
self.assertEqual(sqlite.threadsafety, 1,
"threadsafety is %d, should be 1" % sqlite.threadsafety)
def CheckParamStyle(self):
self.assertEqual(sqlite.paramstyle, "qmark",
"paramstyle is '%s', should be 'qmark'" %
sqlite.paramstyle)
def CheckWarning(self):
self.assert_(issubclass(sqlite.Warning, StandardError),
"Warning is not a subclass of StandardError")
def CheckError(self):
self.failUnless(issubclass(sqlite.Error, StandardError),
"Error is not a subclass of StandardError")
def CheckInterfaceError(self):
self.failUnless(issubclass(sqlite.InterfaceError, sqlite.Error),
"InterfaceError is not a subclass of Error")
def CheckDatabaseError(self):
self.failUnless(issubclass(sqlite.DatabaseError, sqlite.Error),
"DatabaseError is not a subclass of Error")
def CheckDataError(self):
self.failUnless(issubclass(sqlite.DataError, sqlite.DatabaseError),
"DataError is not a subclass of DatabaseError")
def CheckOperationalError(self):
self.failUnless(issubclass(sqlite.OperationalError, sqlite.DatabaseError),
"OperationalError is not a subclass of DatabaseError")
def CheckIntegrityError(self):
self.failUnless(issubclass(sqlite.IntegrityError, sqlite.DatabaseError),
"IntegrityError is not a subclass of DatabaseError")
def CheckInternalError(self):
self.failUnless(issubclass(sqlite.InternalError, sqlite.DatabaseError),
"InternalError is not a subclass of DatabaseError")
def CheckProgrammingError(self):
self.failUnless(issubclass(sqlite.ProgrammingError, sqlite.DatabaseError),
"ProgrammingError is not a subclass of DatabaseError")
def CheckNotSupportedError(self):
self.failUnless(issubclass(sqlite.NotSupportedError,
sqlite.DatabaseError),
"NotSupportedError is not a subclass of DatabaseError")
class ConnectionTests(unittest.TestCase):
def setUp(self):
self.cx = sqlite.connect(":memory:")
cu = self.cx.cursor()
cu.execute("create table test(id integer primary key, name text)")
cu.execute("insert into test(name) values (?)", ("foo",))
def tearDown(self):
self.cx.close()
def CheckCommit(self):
self.cx.commit()
def CheckCommitAfterNoChanges(self):
"""
A commit should also work when no changes were made to the database.
"""
self.cx.commit()
self.cx.commit()
def CheckRollback(self):
self.cx.rollback()
def CheckRollbackAfterNoChanges(self):
"""
A rollback should also work when no changes were made to the database.
"""
self.cx.rollback()
self.cx.rollback()
def CheckCursor(self):
cu = self.cx.cursor()
def CheckFailedOpen(self):
YOU_CANNOT_OPEN_THIS = "/foo/bar/bla/23534/mydb.db"
try:
con = sqlite.connect(YOU_CANNOT_OPEN_THIS)
except sqlite.OperationalError:
return
self.fail("should have raised an OperationalError")
def CheckClose(self):
self.cx.close()
def CheckExceptions(self):
# Optional DB-API extension.
self.failUnlessEqual(self.cx.Warning, sqlite.Warning)
self.failUnlessEqual(self.cx.Error, sqlite.Error)
self.failUnlessEqual(self.cx.InterfaceError, sqlite.InterfaceError)
self.failUnlessEqual(self.cx.DatabaseError, sqlite.DatabaseError)
self.failUnlessEqual(self.cx.DataError, sqlite.DataError)
self.failUnlessEqual(self.cx.OperationalError, sqlite.OperationalError)
self.failUnlessEqual(self.cx.IntegrityError, sqlite.IntegrityError)
self.failUnlessEqual(self.cx.InternalError, sqlite.InternalError)
self.failUnlessEqual(self.cx.ProgrammingError, sqlite.ProgrammingError)
self.failUnlessEqual(self.cx.NotSupportedError, sqlite.NotSupportedError)
class CursorTests(unittest.TestCase):
def setUp(self):
self.cx = sqlite.connect(":memory:")
self.cu = self.cx.cursor()
self.cu.execute("create table test(id integer primary key, name text, income number)")
self.cu.execute("insert into test(name) values (?)", ("foo",))
def tearDown(self):
self.cu.close()
self.cx.close()
def CheckExecuteNoArgs(self):
self.cu.execute("delete from test")
def CheckExecuteIllegalSql(self):
try:
self.cu.execute("select asdf")
self.fail("should have raised an OperationalError")
except sqlite.OperationalError:
return
except:
self.fail("raised wrong exception")
def CheckExecuteTooMuchSql(self):
try:
self.cu.execute("select 5+4; select 4+5")
self.fail("should have raised a Warning")
except sqlite.Warning:
return
except:
self.fail("raised wrong exception")
def CheckExecuteTooMuchSql2(self):
self.cu.execute("select 5+4; -- foo bar")
def CheckExecuteTooMuchSql3(self):
self.cu.execute("""
select 5+4;
/*
foo
*/
""")
def CheckExecuteWrongSqlArg(self):
try:
self.cu.execute(42)
self.fail("should have raised a ValueError")
except ValueError:
return
except:
self.fail("raised wrong exception.")
def CheckExecuteArgInt(self):
self.cu.execute("insert into test(id) values (?)", (42,))
def CheckExecuteArgFloat(self):
self.cu.execute("insert into test(income) values (?)", (2500.32,))
def CheckExecuteArgString(self):
self.cu.execute("insert into test(name) values (?)", ("Hugo",))
def CheckExecuteWrongNoOfArgs1(self):
# too many parameters
try:
self.cu.execute("insert into test(id) values (?)", (17, "Egon"))
self.fail("should have raised ProgrammingError")
except sqlite.ProgrammingError:
pass
def CheckExecuteWrongNoOfArgs2(self):
# too little parameters
try:
self.cu.execute("insert into test(id) values (?)")
self.fail("should have raised ProgrammingError")
except sqlite.ProgrammingError:
pass
def CheckExecuteWrongNoOfArgs3(self):
# no parameters, parameters are needed
try:
self.cu.execute("insert into test(id) values (?)")
self.fail("should have raised ProgrammingError")
except sqlite.ProgrammingError:
pass
def CheckExecuteDictMapping(self):
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("select name from test where name=:name", {"name": "foo"})
row = self.cu.fetchone()
self.failUnlessEqual(row[0], "foo")
def CheckExecuteDictMappingTooLittleArgs(self):
self.cu.execute("insert into test(name) values ('foo')")
try:
self.cu.execute("select name from test where name=:name and id=:id", {"name": "foo"})
self.fail("should have raised ProgrammingError")
except sqlite.ProgrammingError:
pass
def CheckExecuteDictMappingNoArgs(self):
self.cu.execute("insert into test(name) values ('foo')")
try:
self.cu.execute("select name from test where name=:name")
self.fail("should have raised ProgrammingError")
except sqlite.ProgrammingError:
pass
def CheckExecuteDictMappingUnnamed(self):
self.cu.execute("insert into test(name) values ('foo')")
try:
self.cu.execute("select name from test where name=?", {"name": "foo"})
self.fail("should have raised ProgrammingError")
except sqlite.ProgrammingError:
pass
def CheckClose(self):
self.cu.close()
def CheckRowcountExecute(self):
self.cu.execute("delete from test")
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("update test set name='bar'")
self.failUnlessEqual(self.cu.rowcount, 2)
def CheckRowcountExecutemany(self):
self.cu.execute("delete from test")
self.cu.executemany("insert into test(name) values (?)", [(1,), (2,), (3,)])
self.failUnlessEqual(self.cu.rowcount, 3)
def CheckTotalChanges(self):
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("insert into test(name) values ('foo')")
if self.cx.total_changes < 2:
self.fail("total changes reported wrong value")
# Checks for executemany:
# Sequences are required by the DB-API, iterators
# enhancements in pysqlite.
def CheckExecuteManySequence(self):
self.cu.executemany("insert into test(income) values (?)", [(x,) for x in range(100, 110)])
def CheckExecuteManyIterator(self):
class MyIter:
def __init__(self):
self.value = 5
def next(self):
if self.value == 10:
raise StopIteration
else:
self.value += 1
return (self.value,)
self.cu.executemany("insert into test(income) values (?)", MyIter())
def CheckExecuteManyGenerator(self):
def mygen():
for i in range(5):
yield (i,)
self.cu.executemany("insert into test(income) values (?)", mygen())
def CheckExecuteManyWrongSqlArg(self):
try:
self.cu.executemany(42, [(3,)])
self.fail("should have raised a ValueError")
except ValueError:
return
except:
self.fail("raised wrong exception.")
def CheckExecuteManySelect(self):
try:
self.cu.executemany("select ?", [(3,)])
self.fail("should have raised a ProgrammingError")
except sqlite.ProgrammingError:
return
except:
self.fail("raised wrong exception.")
def CheckExecuteManyNotIterable(self):
try:
self.cu.executemany("insert into test(income) values (?)", 42)
self.fail("should have raised a TypeError")
except TypeError:
return
except Exception, e:
print "raised", e.__class__
self.fail("raised wrong exception.")
def CheckFetchIter(self):
# Optional DB-API extension.
self.cu.execute("delete from test")
self.cu.execute("insert into test(id) values (?)", (5,))
self.cu.execute("insert into test(id) values (?)", (6,))
self.cu.execute("select id from test order by id")
lst = []
for row in self.cu:
lst.append(row[0])
self.failUnlessEqual(lst[0], 5)
self.failUnlessEqual(lst[1], 6)
def CheckFetchone(self):
self.cu.execute("select name from test")
row = self.cu.fetchone()
self.failUnlessEqual(row[0], "foo")
row = self.cu.fetchone()
self.failUnlessEqual(row, None)
def CheckFetchoneNoStatement(self):
cur = self.cx.cursor()
row = cur.fetchone()
self.failUnlessEqual(row, None)
def CheckArraySize(self):
# must default ot 1
self.failUnlessEqual(self.cu.arraysize, 1)
# now set to 2
self.cu.arraysize = 2
# now make the query return 3 rows
self.cu.execute("delete from test")
self.cu.execute("insert into test(name) values ('A')")
self.cu.execute("insert into test(name) values ('B')")
self.cu.execute("insert into test(name) values ('C')")
self.cu.execute("select name from test")
res = self.cu.fetchmany()
self.failUnlessEqual(len(res), 2)
def CheckFetchmany(self):
self.cu.execute("select name from test")
res = self.cu.fetchmany(100)
self.failUnlessEqual(len(res), 1)
res = self.cu.fetchmany(100)
self.failUnlessEqual(res, [])
def CheckFetchall(self):
self.cu.execute("select name from test")
res = self.cu.fetchall()
self.failUnlessEqual(len(res), 1)
res = self.cu.fetchall()
self.failUnlessEqual(res, [])
def CheckSetinputsizes(self):
self.cu.setinputsizes([3, 4, 5])
def CheckSetoutputsize(self):
self.cu.setoutputsize(5, 0)
def CheckSetoutputsizeNoColumn(self):
self.cu.setoutputsize(42)
def CheckCursorConnection(self):
# Optional DB-API extension.
self.failUnlessEqual(self.cu.connection, self.cx)
def CheckWrongCursorCallable(self):
try:
def f(): pass
cur = self.cx.cursor(f)
self.fail("should have raised a TypeError")
except TypeError:
return
self.fail("should have raised a ValueError")
def CheckCursorWrongClass(self):
class Foo: pass
foo = Foo()
try:
cur = sqlite.Cursor(foo)
self.fail("should have raised a ValueError")
except TypeError:
pass
class ThreadTests(unittest.TestCase):
def setUp(self):
self.con = sqlite.connect(":memory:")
self.cur = self.con.cursor()
self.cur.execute("create table test(id integer primary key, name text, bin binary, ratio number, ts timestamp)")
def tearDown(self):
self.cur.close()
self.con.close()
def CheckConCursor(self):
def run(con, errors):
try:
cur = con.cursor()
errors.append("did not raise ProgrammingError")
return
except sqlite.ProgrammingError:
return
except:
errors.append("raised wrong exception")
errors = []
t = threading.Thread(target=run, kwargs={"con": self.con, "errors": errors})
t.start()
t.join()
if len(errors) > 0:
self.fail("\n".join(errors))
def CheckConCommit(self):
def run(con, errors):
try:
con.commit()
errors.append("did not raise ProgrammingError")
return
except sqlite.ProgrammingError:
return
except:
errors.append("raised wrong exception")
errors = []
t = threading.Thread(target=run, kwargs={"con": self.con, "errors": errors})
t.start()
t.join()
if len(errors) > 0:
self.fail("\n".join(errors))
def CheckConRollback(self):
def run(con, errors):
try:
con.rollback()
errors.append("did not raise ProgrammingError")
return
except sqlite.ProgrammingError:
return
except:
errors.append("raised wrong exception")
errors = []
t = threading.Thread(target=run, kwargs={"con": self.con, "errors": errors})
t.start()
t.join()
if len(errors) > 0:
self.fail("\n".join(errors))
def CheckConClose(self):
def run(con, errors):
try:
con.close()
errors.append("did not raise ProgrammingError")
return
except sqlite.ProgrammingError:
return
except:
errors.append("raised wrong exception")
errors = []
t = threading.Thread(target=run, kwargs={"con": self.con, "errors": errors})
t.start()
t.join()
if len(errors) > 0:
self.fail("\n".join(errors))
def CheckCurImplicitBegin(self):
def run(cur, errors):
try:
cur.execute("insert into test(name) values ('a')")
errors.append("did not raise ProgrammingError")
return
except sqlite.ProgrammingError:
return
except:
errors.append("raised wrong exception")
errors = []
t = threading.Thread(target=run, kwargs={"cur": self.cur, "errors": errors})
t.start()
t.join()
if len(errors) > 0:
self.fail("\n".join(errors))
def CheckCurClose(self):
def run(cur, errors):
try:
cur.close()
errors.append("did not raise ProgrammingError")
return
except sqlite.ProgrammingError:
return
except:
errors.append("raised wrong exception")
errors = []
t = threading.Thread(target=run, kwargs={"cur": self.cur, "errors": errors})
t.start()
t.join()
if len(errors) > 0:
self.fail("\n".join(errors))
def CheckCurExecute(self):
def run(cur, errors):
try:
cur.execute("select name from test")
errors.append("did not raise ProgrammingError")
return
except sqlite.ProgrammingError:
return
except:
errors.append("raised wrong exception")
errors = []
self.cur.execute("insert into test(name) values ('a')")
t = threading.Thread(target=run, kwargs={"cur": self.cur, "errors": errors})
t.start()
t.join()
if len(errors) > 0:
self.fail("\n".join(errors))
def CheckCurIterNext(self):
def run(cur, errors):
try:
row = cur.fetchone()
errors.append("did not raise ProgrammingError")
return
except sqlite.ProgrammingError:
return
except:
errors.append("raised wrong exception")
errors = []
self.cur.execute("insert into test(name) values ('a')")
self.cur.execute("select name from test")
t = threading.Thread(target=run, kwargs={"cur": self.cur, "errors": errors})
t.start()
t.join()
if len(errors) > 0:
self.fail("\n".join(errors))
class ConstructorTests(unittest.TestCase):
def CheckDate(self):
d = sqlite.Date(2004, 10, 28)
def CheckTime(self):
t = sqlite.Time(12, 39, 35)
def CheckTimestamp(self):
ts = sqlite.Timestamp(2004, 10, 28, 12, 39, 35)
def CheckDateFromTicks(self):
d = sqlite.DateFromTicks(42)
def CheckTimeFromTicks(self):
t = sqlite.TimeFromTicks(42)
def CheckTimestampFromTicks(self):
ts = sqlite.TimestampFromTicks(42)
def CheckBinary(self):
b = sqlite.Binary(chr(0) + "'")
class ExtensionTests(unittest.TestCase):
def CheckScriptStringSql(self):
con = sqlite.connect(":memory:")
cur = con.cursor()
cur.executescript("""
-- bla bla
/* a stupid comment */
create table a(i);
insert into a(i) values (5);
""")
cur.execute("select i from a")
res = cur.fetchone()[0]
self.failUnlessEqual(res, 5)
def CheckScriptStringUnicode(self):
con = sqlite.connect(":memory:")
cur = con.cursor()
cur.executescript(u"""
create table a(i);
insert into a(i) values (5);
select i from a;
delete from a;
insert into a(i) values (6);
""")
cur.execute("select i from a")
res = cur.fetchone()[0]
self.failUnlessEqual(res, 6)
def CheckScriptErrorIncomplete(self):
con = sqlite.connect(":memory:")
cur = con.cursor()
raised = False
try:
cur.executescript("create table test(sadfsadfdsa")
except sqlite.ProgrammingError:
raised = True
self.failUnlessEqual(raised, True, "should have raised an exception")
def CheckScriptErrorNormal(self):
con = sqlite.connect(":memory:")
cur = con.cursor()
raised = False
try:
cur.executescript("create table test(sadfsadfdsa); select foo from hurz;")
except sqlite.OperationalError:
raised = True
self.failUnlessEqual(raised, True, "should have raised an exception")
def CheckConnectionExecute(self):
con = sqlite.connect(":memory:")
result = con.execute("select 5").fetchone()[0]
self.failUnlessEqual(result, 5, "Basic test of Connection.execute")
def CheckConnectionExecutemany(self):
con = sqlite.connect(":memory:")
con.execute("create table test(foo)")
con.executemany("insert into test(foo) values (?)", [(3,), (4,)])
result = con.execute("select foo from test order by foo").fetchall()
self.failUnlessEqual(result[0][0], 3, "Basic test of Connection.executemany")
self.failUnlessEqual(result[1][0], 4, "Basic test of Connection.executemany")
def CheckConnectionExecutescript(self):
con = sqlite.connect(":memory:")
con.executescript("create table test(foo); insert into test(foo) values (5);")
result = con.execute("select foo from test").fetchone()[0]
self.failUnlessEqual(result, 5, "Basic test of Connection.executescript")
class ClosedTests(unittest.TestCase):
def setUp(self):
pass
def tearDown(self):
pass
def CheckClosedConCursor(self):
con = sqlite.connect(":memory:")
con.close()
try:
cur = con.cursor()
self.fail("Should have raised a ProgrammingError")
except sqlite.ProgrammingError:
pass
except:
self.fail("Should have raised a ProgrammingError")
def CheckClosedConCommit(self):
con = sqlite.connect(":memory:")
con.close()
try:
con.commit()
self.fail("Should have raised a ProgrammingError")
except sqlite.ProgrammingError:
pass
except:
self.fail("Should have raised a ProgrammingError")
def CheckClosedConRollback(self):
con = sqlite.connect(":memory:")
con.close()
try:
con.rollback()
self.fail("Should have raised a ProgrammingError")
except sqlite.ProgrammingError:
pass
except:
self.fail("Should have raised a ProgrammingError")
def CheckClosedCurExecute(self):
con = sqlite.connect(":memory:")
cur = con.cursor()
con.close()
try:
cur.execute("select 4")
self.fail("Should have raised a ProgrammingError")
except sqlite.ProgrammingError:
pass
except:
self.fail("Should have raised a ProgrammingError")
def suite():
module_suite = unittest.makeSuite(ModuleTests, "Check")
connection_suite = unittest.makeSuite(ConnectionTests, "Check")
cursor_suite = unittest.makeSuite(CursorTests, "Check")
thread_suite = unittest.makeSuite(ThreadTests, "Check")
constructor_suite = unittest.makeSuite(ConstructorTests, "Check")
ext_suite = unittest.makeSuite(ExtensionTests, "Check")
closed_suite = unittest.makeSuite(ClosedTests, "Check")
return unittest.TestSuite((module_suite, connection_suite, cursor_suite, thread_suite, constructor_suite, ext_suite, closed_suite))
def test():
runner = unittest.TextTestRunner()
runner.run(suite())
if __name__ == "__main__":
test()