add hg and python

sys/lib/python/sqlite3/test/hooks.py

@@ -0,0 +1,117 @@
+#-*- coding: ISO-8859-1 -*-
+# pysqlite2/test/hooks.py: tests for various SQLite-specific hooks
+#
+# Copyright (C) 2006 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 os, unittest
+import sqlite3 as sqlite
+
+class CollationTests(unittest.TestCase):
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def CheckCreateCollationNotCallable(self):
+        con = sqlite.connect(":memory:")
+        try:
+            con.create_collation("X", 42)
+            self.fail("should have raised a TypeError")
+        except TypeError, e:
+            self.failUnlessEqual(e.args[0], "parameter must be callable")
+
+    def CheckCreateCollationNotAscii(self):
+        con = sqlite.connect(":memory:")
+        try:
+            con.create_collation("collä", cmp)
+            self.fail("should have raised a ProgrammingError")
+        except sqlite.ProgrammingError, e:
+            pass
+
+    def CheckCollationIsUsed(self):
+        if sqlite.version_info < (3, 2, 1):  # old SQLite versions crash on this test
+            return
+        def mycoll(x, y):
+            # reverse order
+            return -cmp(x, y)
+
+        con = sqlite.connect(":memory:")
+        con.create_collation("mycoll", mycoll)
+        sql = """
+            select x from (
+            select 'a' as x
+            union
+            select 'b' as x
+            union
+            select 'c' as x
+            ) order by x collate mycoll
+            """
+        result = con.execute(sql).fetchall()
+        if result[0][0] != "c" or result[1][0] != "b" or result[2][0] != "a":
+            self.fail("the expected order was not returned")
+
+        con.create_collation("mycoll", None)
+        try:
+            result = con.execute(sql).fetchall()
+            self.fail("should have raised an OperationalError")
+        except sqlite.OperationalError, e:
+            self.failUnlessEqual(e.args[0].lower(), "no such collation sequence: mycoll")
+
+    def CheckCollationRegisterTwice(self):
+        """
+        Register two different collation functions under the same name.
+        Verify that the last one is actually used.
+        """
+        con = sqlite.connect(":memory:")
+        con.create_collation("mycoll", cmp)
+        con.create_collation("mycoll", lambda x, y: -cmp(x, y))
+        result = con.execute("""
+            select x from (select 'a' as x union select 'b' as x) order by x collate mycoll
+            """).fetchall()
+        if result[0][0] != 'b' or result[1][0] != 'a':
+            self.fail("wrong collation function is used")
+
+    def CheckDeregisterCollation(self):
+        """
+        Register a collation, then deregister it. Make sure an error is raised if we try
+        to use it.
+        """
+        con = sqlite.connect(":memory:")
+        con.create_collation("mycoll", cmp)
+        con.create_collation("mycoll", None)
+        try:
+            con.execute("select 'a' as x union select 'b' as x order by x collate mycoll")
+            self.fail("should have raised an OperationalError")
+        except sqlite.OperationalError, e:
+            if not e.args[0].startswith("no such collation sequence"):
+                self.fail("wrong OperationalError raised")
+
+def suite():
+    collation_suite = unittest.makeSuite(CollationTests, "Check")
+    return unittest.TestSuite((collation_suite,))
+
+def test():
+    runner = unittest.TextTestRunner()
+    runner.run(suite())
+
+if __name__ == "__main__":
+    test()