345 lines
10 KiB
Python
345 lines
10 KiB
Python
#-*- coding: ISO-8859-1 -*-
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# pysqlite2/test/userfunctions.py: tests for user-defined functions and
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# aggregates.
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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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def func_returntext():
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return "foo"
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def func_returnunicode():
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return u"bar"
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def func_returnint():
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return 42
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def func_returnfloat():
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return 3.14
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def func_returnnull():
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return None
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def func_returnblob():
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return buffer("blob")
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def func_raiseexception():
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5/0
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def func_isstring(v):
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return type(v) is unicode
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def func_isint(v):
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return type(v) is int
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def func_isfloat(v):
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return type(v) is float
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def func_isnone(v):
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return type(v) is type(None)
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def func_isblob(v):
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return type(v) is buffer
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class AggrNoStep:
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def __init__(self):
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pass
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class AggrNoFinalize:
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def __init__(self):
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pass
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def step(self, x):
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pass
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class AggrExceptionInInit:
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def __init__(self):
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5/0
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def step(self, x):
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pass
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def finalize(self):
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pass
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class AggrExceptionInStep:
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def __init__(self):
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pass
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def step(self, x):
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5/0
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def finalize(self):
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return 42
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class AggrExceptionInFinalize:
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def __init__(self):
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pass
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def step(self, x):
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pass
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def finalize(self):
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5/0
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class AggrCheckType:
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def __init__(self):
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self.val = None
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def step(self, whichType, val):
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theType = {"str": unicode, "int": int, "float": float, "None": type(None), "blob": buffer}
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self.val = int(theType[whichType] is type(val))
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def finalize(self):
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return self.val
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class AggrSum:
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def __init__(self):
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self.val = 0.0
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def step(self, val):
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self.val += val
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def finalize(self):
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return self.val
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class FunctionTests(unittest.TestCase):
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def setUp(self):
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self.con = sqlite.connect(":memory:")
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self.con.create_function("returntext", 0, func_returntext)
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self.con.create_function("returnunicode", 0, func_returnunicode)
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self.con.create_function("returnint", 0, func_returnint)
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self.con.create_function("returnfloat", 0, func_returnfloat)
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self.con.create_function("returnnull", 0, func_returnnull)
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self.con.create_function("returnblob", 0, func_returnblob)
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self.con.create_function("raiseexception", 0, func_raiseexception)
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self.con.create_function("isstring", 1, func_isstring)
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self.con.create_function("isint", 1, func_isint)
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self.con.create_function("isfloat", 1, func_isfloat)
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self.con.create_function("isnone", 1, func_isnone)
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self.con.create_function("isblob", 1, func_isblob)
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def tearDown(self):
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self.con.close()
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def CheckFuncErrorOnCreate(self):
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try:
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self.con.create_function("bla", -100, lambda x: 2*x)
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self.fail("should have raised an OperationalError")
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except sqlite.OperationalError:
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pass
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def CheckFuncRefCount(self):
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def getfunc():
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def f():
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return val
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return f
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self.con.create_function("reftest", 0, getfunc())
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cur = self.con.cursor()
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cur.execute("select reftest()")
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def CheckFuncReturnText(self):
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cur = self.con.cursor()
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cur.execute("select returntext()")
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val = cur.fetchone()[0]
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self.failUnlessEqual(type(val), unicode)
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self.failUnlessEqual(val, "foo")
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def CheckFuncReturnUnicode(self):
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cur = self.con.cursor()
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cur.execute("select returnunicode()")
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val = cur.fetchone()[0]
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self.failUnlessEqual(type(val), unicode)
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self.failUnlessEqual(val, u"bar")
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def CheckFuncReturnInt(self):
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cur = self.con.cursor()
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cur.execute("select returnint()")
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val = cur.fetchone()[0]
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self.failUnlessEqual(type(val), int)
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self.failUnlessEqual(val, 42)
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def CheckFuncReturnFloat(self):
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cur = self.con.cursor()
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cur.execute("select returnfloat()")
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val = cur.fetchone()[0]
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self.failUnlessEqual(type(val), float)
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if val < 3.139 or val > 3.141:
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self.fail("wrong value")
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def CheckFuncReturnNull(self):
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cur = self.con.cursor()
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cur.execute("select returnnull()")
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val = cur.fetchone()[0]
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self.failUnlessEqual(type(val), type(None))
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self.failUnlessEqual(val, None)
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def CheckFuncReturnBlob(self):
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cur = self.con.cursor()
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cur.execute("select returnblob()")
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val = cur.fetchone()[0]
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self.failUnlessEqual(type(val), buffer)
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self.failUnlessEqual(val, buffer("blob"))
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def CheckFuncException(self):
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cur = self.con.cursor()
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cur.execute("select raiseexception()")
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, None)
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def CheckParamString(self):
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cur = self.con.cursor()
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cur.execute("select isstring(?)", ("foo",))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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def CheckParamInt(self):
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cur = self.con.cursor()
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cur.execute("select isint(?)", (42,))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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def CheckParamFloat(self):
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cur = self.con.cursor()
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cur.execute("select isfloat(?)", (3.14,))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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def CheckParamNone(self):
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cur = self.con.cursor()
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cur.execute("select isnone(?)", (None,))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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def CheckParamBlob(self):
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cur = self.con.cursor()
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cur.execute("select isblob(?)", (buffer("blob"),))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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class AggregateTests(unittest.TestCase):
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def setUp(self):
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self.con = sqlite.connect(":memory:")
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cur = self.con.cursor()
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cur.execute("""
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create table test(
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t text,
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i integer,
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f float,
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n,
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b blob
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)
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""")
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cur.execute("insert into test(t, i, f, n, b) values (?, ?, ?, ?, ?)",
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("foo", 5, 3.14, None, buffer("blob"),))
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self.con.create_aggregate("nostep", 1, AggrNoStep)
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self.con.create_aggregate("nofinalize", 1, AggrNoFinalize)
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self.con.create_aggregate("excInit", 1, AggrExceptionInInit)
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self.con.create_aggregate("excStep", 1, AggrExceptionInStep)
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self.con.create_aggregate("excFinalize", 1, AggrExceptionInFinalize)
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self.con.create_aggregate("checkType", 2, AggrCheckType)
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self.con.create_aggregate("mysum", 1, AggrSum)
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def tearDown(self):
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#self.cur.close()
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#self.con.close()
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pass
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def CheckAggrErrorOnCreate(self):
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try:
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self.con.create_function("bla", -100, AggrSum)
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self.fail("should have raised an OperationalError")
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except sqlite.OperationalError:
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pass
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def CheckAggrNoStep(self):
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cur = self.con.cursor()
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cur.execute("select nostep(t) from test")
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def CheckAggrNoFinalize(self):
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cur = self.con.cursor()
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cur.execute("select nofinalize(t) from test")
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, None)
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def CheckAggrExceptionInInit(self):
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cur = self.con.cursor()
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cur.execute("select excInit(t) from test")
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, None)
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def CheckAggrExceptionInStep(self):
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cur = self.con.cursor()
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cur.execute("select excStep(t) from test")
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 42)
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def CheckAggrExceptionInFinalize(self):
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cur = self.con.cursor()
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cur.execute("select excFinalize(t) from test")
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, None)
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def CheckAggrCheckParamStr(self):
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cur = self.con.cursor()
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cur.execute("select checkType('str', ?)", ("foo",))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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def CheckAggrCheckParamInt(self):
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cur = self.con.cursor()
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cur.execute("select checkType('int', ?)", (42,))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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def CheckAggrCheckParamFloat(self):
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cur = self.con.cursor()
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cur.execute("select checkType('float', ?)", (3.14,))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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def CheckAggrCheckParamNone(self):
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cur = self.con.cursor()
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cur.execute("select checkType('None', ?)", (None,))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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def CheckAggrCheckParamBlob(self):
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cur = self.con.cursor()
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cur.execute("select checkType('blob', ?)", (buffer("blob"),))
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 1)
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def CheckAggrCheckAggrSum(self):
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cur = self.con.cursor()
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cur.execute("delete from test")
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cur.executemany("insert into test(i) values (?)", [(10,), (20,), (30,)])
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cur.execute("select mysum(i) from test")
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val = cur.fetchone()[0]
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self.failUnlessEqual(val, 60)
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def suite():
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function_suite = unittest.makeSuite(FunctionTests, "Check")
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aggregate_suite = unittest.makeSuite(AggregateTests, "Check")
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return unittest.TestSuite((function_suite, aggregate_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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