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0741a60ca7
merged into the 2.5 maintenance branch: - self->statement was not checked while fetching data, which could lead to crashes if you used the pysqlite API in unusual ways. Closing the cursor and continuing to fetch data was enough. - Converters are stored in a converters dictionary. The converter name is uppercased first. The old upper-casing algorithm was wrong and was replaced by a simple call to the Python string's upper() method instead. -Applied patch by Glyph Lefkowitz that fixes the problem with subsequent SQLITE_SCHEMA errors. - Improvement to the row type: rows can now be iterated over and have a keys() method. This improves compatibility with both tuple and dict a lot. - A bugfix for the subsecond resolution in timestamps. - Corrected the way the flags PARSE_DECLTYPES and PARSE_COLNAMES are checked for. Now they work as documented. - gcc on Linux sucks. It exports all symbols by default in shared libraries, so if symbols are not unique it can lead to problems with symbol lookup. pysqlite used to crash under Apache when mod_cache was enabled because both modules had the symbol cache_init. I fixed this by applying the prefix pysqlite_ almost everywhere. Sigh.
185 lines
7 KiB
Python
185 lines
7 KiB
Python
#-*- coding: ISO-8859-1 -*-
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# pysqlite2/test/factory.py: tests for the various factories in pysqlite
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#
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# Copyright (C) 2005 Gerhard Häring <gh@ghaering.de>
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#
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# This file is part of pysqlite.
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#
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# This software is provided 'as-is', without any express or implied
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# warranty. In no event will the authors be held liable for any damages
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# arising from the use of this software.
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#
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# Permission is granted to anyone to use this software for any purpose,
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# including commercial applications, and to alter it and redistribute it
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# freely, subject to the following restrictions:
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#
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# 1. The origin of this software must not be misrepresented; you must not
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# claim that you wrote the original software. If you use this software
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# in a product, an acknowledgment in the product documentation would be
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# appreciated but is not required.
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# 2. Altered source versions must be plainly marked as such, and must not be
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# misrepresented as being the original software.
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# 3. This notice may not be removed or altered from any source distribution.
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import unittest
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import sqlite3 as sqlite
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class MyConnection(sqlite.Connection):
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def __init__(self, *args, **kwargs):
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sqlite.Connection.__init__(self, *args, **kwargs)
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def dict_factory(cursor, row):
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d = {}
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for idx, col in enumerate(cursor.description):
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d[col[0]] = row[idx]
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return d
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class MyCursor(sqlite.Cursor):
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def __init__(self, *args, **kwargs):
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sqlite.Cursor.__init__(self, *args, **kwargs)
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self.row_factory = dict_factory
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class ConnectionFactoryTests(unittest.TestCase):
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def setUp(self):
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self.con = sqlite.connect(":memory:", factory=MyConnection)
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def tearDown(self):
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self.con.close()
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def CheckIsInstance(self):
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self.failUnless(isinstance(self.con,
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MyConnection),
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"connection is not instance of MyConnection")
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class CursorFactoryTests(unittest.TestCase):
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def setUp(self):
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self.con = sqlite.connect(":memory:")
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def tearDown(self):
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self.con.close()
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def CheckIsInstance(self):
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cur = self.con.cursor(factory=MyCursor)
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self.failUnless(isinstance(cur,
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MyCursor),
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"cursor is not instance of MyCursor")
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class RowFactoryTestsBackwardsCompat(unittest.TestCase):
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def setUp(self):
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self.con = sqlite.connect(":memory:")
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def CheckIsProducedByFactory(self):
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cur = self.con.cursor(factory=MyCursor)
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cur.execute("select 4+5 as foo")
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row = cur.fetchone()
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self.failUnless(isinstance(row,
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dict),
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"row is not instance of dict")
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cur.close()
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def tearDown(self):
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self.con.close()
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class RowFactoryTests(unittest.TestCase):
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def setUp(self):
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self.con = sqlite.connect(":memory:")
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def CheckCustomFactory(self):
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self.con.row_factory = lambda cur, row: list(row)
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row = self.con.execute("select 1, 2").fetchone()
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self.failUnless(isinstance(row,
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list),
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"row is not instance of list")
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def CheckSqliteRowIndex(self):
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self.con.row_factory = sqlite.Row
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row = self.con.execute("select 1 as a, 2 as b").fetchone()
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self.failUnless(isinstance(row,
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sqlite.Row),
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"row is not instance of sqlite.Row")
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col1, col2 = row["a"], row["b"]
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self.failUnless(col1 == 1, "by name: wrong result for column 'a'")
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self.failUnless(col2 == 2, "by name: wrong result for column 'a'")
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col1, col2 = row["A"], row["B"]
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self.failUnless(col1 == 1, "by name: wrong result for column 'A'")
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self.failUnless(col2 == 2, "by name: wrong result for column 'B'")
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col1, col2 = row[0], row[1]
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self.failUnless(col1 == 1, "by index: wrong result for column 0")
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self.failUnless(col2 == 2, "by index: wrong result for column 1")
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def CheckSqliteRowIter(self):
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"""Checks if the row object is iterable"""
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self.con.row_factory = sqlite.Row
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row = self.con.execute("select 1 as a, 2 as b").fetchone()
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for col in row:
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pass
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def CheckSqliteRowAsTuple(self):
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"""Checks if the row object can be converted to a tuple"""
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self.con.row_factory = sqlite.Row
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row = self.con.execute("select 1 as a, 2 as b").fetchone()
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t = tuple(row)
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def CheckSqliteRowAsDict(self):
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"""Checks if the row object can be correctly converted to a dictionary"""
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self.con.row_factory = sqlite.Row
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row = self.con.execute("select 1 as a, 2 as b").fetchone()
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d = dict(row)
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self.failUnlessEqual(d["a"], row["a"])
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self.failUnlessEqual(d["b"], row["b"])
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def tearDown(self):
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self.con.close()
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class TextFactoryTests(unittest.TestCase):
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def setUp(self):
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self.con = sqlite.connect(":memory:")
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def CheckUnicode(self):
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austria = unicode("Österreich", "latin1")
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row = self.con.execute("select ?", (austria,)).fetchone()
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self.failUnless(type(row[0]) == unicode, "type of row[0] must be unicode")
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def CheckString(self):
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self.con.text_factory = str
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austria = unicode("Österreich", "latin1")
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row = self.con.execute("select ?", (austria,)).fetchone()
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self.failUnless(type(row[0]) == str, "type of row[0] must be str")
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self.failUnless(row[0] == austria.encode("utf-8"), "column must equal original data in UTF-8")
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def CheckCustom(self):
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self.con.text_factory = lambda x: unicode(x, "utf-8", "ignore")
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austria = unicode("Österreich", "latin1")
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row = self.con.execute("select ?", (austria.encode("latin1"),)).fetchone()
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self.failUnless(type(row[0]) == unicode, "type of row[0] must be unicode")
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self.failUnless(row[0].endswith(u"reich"), "column must contain original data")
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def CheckOptimizedUnicode(self):
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self.con.text_factory = sqlite.OptimizedUnicode
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austria = unicode("Österreich", "latin1")
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germany = unicode("Deutchland")
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a_row = self.con.execute("select ?", (austria,)).fetchone()
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d_row = self.con.execute("select ?", (germany,)).fetchone()
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self.failUnless(type(a_row[0]) == unicode, "type of non-ASCII row must be unicode")
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self.failUnless(type(d_row[0]) == str, "type of ASCII-only row must be str")
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def tearDown(self):
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self.con.close()
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def suite():
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connection_suite = unittest.makeSuite(ConnectionFactoryTests, "Check")
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cursor_suite = unittest.makeSuite(CursorFactoryTests, "Check")
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row_suite_compat = unittest.makeSuite(RowFactoryTestsBackwardsCompat, "Check")
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row_suite = unittest.makeSuite(RowFactoryTests, "Check")
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text_suite = unittest.makeSuite(TextFactoryTests, "Check")
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return unittest.TestSuite((connection_suite, cursor_suite, row_suite_compat, row_suite, text_suite))
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def test():
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runner = unittest.TextTestRunner()
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runner.run(suite())
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if __name__ == "__main__":
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test()
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